Atlas XENOTEST BETA LM Operating Manual

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XENOTEST BETA LM

Operating manual

Operating manual XENOTEST BETA LM ATLAS

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ATLAS Operating mannual XENOTEST BETA LM

Page 3

XENOTEST BETA LM

Operating manual

Operating manual XENOTEST BETA LM ATLAS

Page 4

Contents Page

1. Introduction ............................................................................................................................... 7

1.1 Warranty hints ................................................................................................................... 7

1.2 Safety hints ....................................................................................................................... 8

2. XENOTEST BETA features ..................................................................................................... 10

3. Setting up the unit .................................................................................................................. 11

3.1 Scope of delivery XENOTEST BETA LM ........................................................................ 11

3.2 Installation requirements ................................................................................................. 11

3.2.1 Laboratory ....................................................................................................................... 11

3.2.2 Room ventilation ............................................................................................................. 11

3.2.3 Electrical supply .............................................................................................................. 11

3.2.4 Space requirements ........................................................................................................ 12

4. Description of the unit ............................................................................................................ 14

4.1 Front panel of the unit ..................................................................................................... 14

4.1.1 Program control............................................................................................................... 15

4.1.2 Test chamber .................................................................................................................. 16

4.1.3 Water tank....................................................................................................................... 16

4.2 Right panel of the unit ..................................................................................................... 18

4.3 Upper side of the unit ...................................................................................................... 18

4.4 Left panel of the unit .......................................................................................................20

4.5 Rear panel....................................................................................................................... 20

4.6 Air circuits ....................................................................................................................... 22

5. Option and accessories of XENOTEST BETA ...................................................................... 23

5.1 Options............................................................................................................................ 23

5.1.1 Rain-, humidity function and sample cooling ................................................................... 23

5.1.2 Printer ............................................................................................................................. 24

5.1.3 Mains transformers ........................................................................................................27

5.1.4 Interface .......................................................................................................................... 27

5.2 Accessories..................................................................................................................... 28

5.2.1 Filter system ................................................................................................................... 28

5.2.2 Sample holders set standard .......................................................................................... 30

5.2.3 Special sample holder ..................................................................................................... 30

5.2.4 Exposure cards ............................................................................................................... 30

5.2.5 Cover plates .................................................................................................................... 30

5.2.6 XENOSENSIV sensor ..................................................................................................... 31

5.2.7 XENOSENSIV sensor support sheet .............................................................................. 31

5.2.8 Calibration adapter and end plug .................................................................................... 31

6. Start up .................................................................................................................................... 32

6.1 Fitting the filter to the lantern .......................................................................................... 32

6.2 Insertion of the XENOTEST light exposure system ........................................................ 32

6.2.1 Insertion of the lamps and the filter lantern..................................................................... 34

6.2.2 Exchange of lamps ......................................................................................................... 34

6.3 Water supply ................................................................................................................... 34

6.4 Insert the XENOSENSIV sensor ..................................................................................... 34

6.5 Calibration of the XENOSENSIV sensor ........................................................................ 36

6.6 Fitting of the end plug ..................................................................................................... 36

6.7 Sample back cooling ....................................................................................................... 36

ATLAS Operating mannual XENOTEST BETA LM

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Contents Page

7. Function................................................................................................................................... 37

7.1 Measuring and control sensor system ............................................................................ 37

7.1.1 Control of the irradiance .................................................................................................. 37

7.1.2 Control of the black standard temperature ...................................................................... 37

7.1.3 Control of the fan speed .................................................................................................. 37

7.1.4 Control of the test chamber temperature ........................................................................ 38

7.1.5 Control of the chamber humidity ..................................................................................... 38

7.2 Rain................................................................................................................................. 38

7.3 Sample back cooling ....................................................................................................... 38

7.4 Program control system ................................................................................................. 39

7.5 Temperature diagrams .................................................................................................... 39

8. Program example on XENOTEST BETA ................................................................................ 40

8.1 Task of the program ........................................................................................................ 40

8.2 Solving the program task ................................................................................................ 40

8.3 Program start .................................................................................................................. 44

8.4 Reading during program run ........................................................................................... 45

8.5 Data print out .................................................................................................................. 46

8.6 Change speed of blower during program operation......................................................... 47

8.7 Stop a running program .................................................................................................. 47

8.8 Trouble shooting .............................................................................................................. 48

9. Setting up tests ....................................................................................................................... 51

9.1 Equip sample holders...................................................................................................... 51

9.2 Select unit parameters .................................................................................................... 51

9.3 Test duration.................................................................................................................... 51

10. Care and cleaning ................................................................................................................... 52

10.1 Cleaning of quartz- and glass components ..................................................................... 52

10.2 Cleaning the test chamber .............................................................................................. 52

10.3 Cleaning the water tank .................................................................................................. 52

10.4 Changing air filter ............................................................................................................ 52

11. Maintenance ............................................................................................................................ 53

12. List of options and accessories ............................................................................................ 53

12.1 Options............................................................................................................................ 53

12.2 Accessories..................................................................................................................... 54

13. Technical data ......................................................................................................................... 55

Operating manual XENOTEST BETA LM ATLAS

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Fig. 1 Space requirements ........................................................................................................12

Fig. 2 Unit dimensions ............................................................................................................... 13

Fig. 3 Front side of equipment .................................................................................................. 14

Fig. 4 Program control ............................................................................................................... 15

Fig. 5 Water tank ....................................................................................................................... 16

Fig. 6 Test chamber .................................................................................................................. 17

Fig. 7 Main switch ..................................................................................................................... 18

Fig. 8 Right side of the unit ....................................................................................................... 19

Fig. 9 Left side of the unit.......................................................................................................... 21

Fig. 10 Ventilation scheme .......................................................................................................... 22

Fig. 11 Water circuits .................................................................................................................. 23

Fig. 12 Printer ............................................................................................................................. 24

Fig. 13 Printer parameter ............................................................................................................ 25

Fig. 14 Printer scheme................................................................................................................ 26

Fig. 15 Change of the paper roll.................................................................................................. 27

Fig. 16 Mains transformers ......................................................................................................... 27

Fig. 17 Pin designation RS232....................................................................................................27

Fig. 18 XENOCHROME filter system and path of radiation ........................................................ 28

Fig. 19 Spectral Distribution XENOCHROME 300 and CIE 85 ................................................... 29

Fig. 20 Spectral Distribution XENOCHROME 270 and 320 ........................................................ 29

Fig. 21 Sample holder set standard ............................................................................................ 30

Fig. 22 Cover plate ...................................................................................................................... 30

Fig. 23 XENOSENSIV sensor ..................................................................................................... 31

Fig. 24 XENOSENSIV sensor support sheet .............................................................................. 31

Fig. 25 Insertion of the XENOSENSIV exposure system ............................................................ 33

Fig. 26 Insertion of the XENOSENSIV sensor ............................................................................ 35

Fig. 27 Calibration adapter .......................................................................................................... 36

Fig. 28 End plug .......................................................................................................................... 36

Fig. 29 Sensor for test chamber temperature and rel. humidity .................................................. 37

Fig. 30 Humidity diagram ............................................................................................................ 38

Fig. 31 Temperature fields........................................................................................................... 39

List of graphics Page

ATLAS Operating manual XENOTEST BETA LM

Page 7

1. Introduction

Dear BETA User!

The new XENOTEST BETA LM presents you with a state-of-the-art light exposure and weathering equipment for obtaining vital information about the long term behaviour of your products when exposed to the influences of weather, and solar radiation in particular, using the time acceleration effect. The optimum conditions for an accelerated laboratory test are created by simulating the natural influencing factors and simultaneously intensifying important parameters at sample level.

Important hints

The XENOTEST unit is planned for research, development and test laboratories. The safety of the persons, the environment and the materials used, depend essentially on the persons operating the equipment. Use the manual to instruct the operating personnel in the operation, function and care of the XENOTEST BETA. Inform the operating staff about accident prevention regulations regularly. Please read this operating manual extremely carefully before starting your system. This will enable you to make full use of its features and will prevent possible damage.

1.1 Warranty hints

Handling and usage contrary to the regulations described in the operating manual lead to loss of warranty claim. The unit has been designed and manufactured with skill and care and was quality tested before despatch. Inspections, maintenance and repair work may be carried out only by ATLAS or an authorized customer service engineer, otherwise the safety of the system is not guaranteed.

Sign explanation:

ATTENTION!

ATTENTION! is used when the non-compliance with instructions may cause damage to the system.

DANGER!

DANGER! is used when the non-compliance with instructions may cause danger to the user.

DANGEROUS VOLTAGE!

DANGEROUS VOLTAGE! is used when the non-compliance with instructions because of dangerous

voltage may cause danger to the user.

Operating manual XENOTEST BETA LM ATLAS

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1.2 Safety hints

• Operating the system presupposes knowledge of this manual. The operating manual should be kept close to the unit.

• For work at and with the unit the user needs instructions in his mother language based on the operating manual (FRG: UVV VBG1 § 7 (2)).

• The XENOTEST BETA units shall only be used for the exposure and weathering of materials in the intended areas of application .

• For the functioning of the water circuits and the humidity system the unit has to be leveled by its height adjustable feet.

• Before starting the unit ensure that the necessary requirements for a failurefree operation of the unit are given. Observe the installation requirements in chapter 2.2 of this manual as well as valid national laws, regulations and guiding principles.

• Inflammable or explosive materials at temperatures below 150 °C must not be inserted into the unit.

• Do not insert materials which despite their application as directed release toxical substances.

• Disconnect the system from the mains before carrying out any maintenance work, e.g. exchange of lamps, cleaning, emptying the water tank (remove the safety contact plug).

• The lamp is switched off when the test chamber door is opened. The lamp must be re-ignited to continue testing once the door has been closed again.

• The lamp is switched off when the casing lid on the upper side of the unit is opened. The lamp must be re-ignited to continue testing once the casing lid has been closed again.

• Within the stipulated proof intervals, or at least once a year, the door safety switch and the safety device of the upper casing lid have to be proved for their safety function.

• Within the stipulated proof intervals, or at least once a year, the temperature cut-offs of the humidifier, lamp supply, heating system and the lamp exhaust air have to be proved for their safety function.

• Within the stipulated proof intervals, however at least once a year, the water level indicator switch of the water tank and the humidityfier have to be proved for their safety function.

• Within the stipulated proof intervals, or at least once a year, the carousel switch of the water tank and the humidifier have to be proved for their safety function.

• Sample holders must be inserted carefully into the carousel. Incorrectly fitted sample holders can work out of their mountings and cause damage.

Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

Maintenance

ATLAS Operating manual XENOTEST BETA LM

Page 9

• The cable of the lamp contact plugs are provided with numbers. It´s absolutely necessary to ensure that the lamp contact plugs are connected to the corresponding lamps (fig. 25).

• Under extreme conditions, especially at high temperature exposures lamps, specimens, specimen holders and sensors heat up considerably during the weathering tests. Protective gloves must therefore be worn when removing them to prevent injury to your hands. This applies in particular to high temperature tests.

• Because of exhaust air temperatures up to 120 °C max. the hoses of lamp and test chamber air outlets must be of flexible and heat resistant material.

• The maximum length of the exhaust air hoses of lamp and test chamber including two 90° bendings is limited to 3 meters. With longer exhaust air hoses or more than two 90° bendings an external blower is required.

• Overheating may occur if air inlets or outlets are obstructed. Please ensure that the necessary space is available (fig. 1).

• The unit has to be switched off when carrying out any maintenance work. Turn the main switch to position "0" and pull mains plug. Secure against reconnection to the mains.

• Inspections, maintenance and repair work may only be carried out by ATLAS or an authorised customer service engineer, otherwise the safety and operation of the system is not guaranteed.

• Your XENOTEST BETA is developed by experienced designers and manufactured in accordance with legislation on technical equipment and VDE Standard 0113/ 06.93.

The unit complies with the safety standards of:

• DIN VDE 0411 part 1 / 03.94 Measuring, Regulating, Controlling Safety requirements for electric motor-operated measuring, regulating, controlling and laboratory units.

• DIN VDE 0711 part 1 / 09.91 Lamps

• DIN VDE 0875 part 14 / 09.91 Limits and methods of measurement of radio disturbance characteristics of electric motoroperated and thermal appliances for household and similar purposes, electric tools and similar electric apparatus. (EN 55 014)

Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

Maintenance

• DIN VDE 0871 part 11/09.87 Limits of radio disturbance and measuring methods for industrial, scientific and medical highfrequency apparatus (EN 55 011).

Operating manual XENOTEST BETA LM ATLAS

Page 10

Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaning

Test set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

2. XENOTEST BETA Features

The following table shows the physical data of the XENOTEST BETA .

Options and accessory of the XENOTEST BETA

Maintenance

Pos. Feature Data

1 Control system / Microprocessor • 10 prestructured programs

• 12 cycles per program

2 Integrated sensors:

• XENOSENSIV for irradiance and black standard temperature

• Sensor for test chamber temperature and rel. humidity

Wavelength range 300 - 400 nm Surface temperature --> 130 °C

Ambient temperature --> 80 °C 10 - 95 %

3 Irradiation:

Filter

• XENOCHROME 270

• XENOCHROME 300

• XENOCHROME 320

Irradiance:

Wavelength range 300-400 nm 60 - 165 W/m² 45 - 120 W/m² 35 - 100 W/m²

4 Weathering surface • Sample holder dimensions 320 mm x 80 mm

• 16 sample holders

• Total surface approx.. 4000 cm²

5 Xenon lamps NXE 2200 3 lamps / life time min. 1500 hours (within irradiance

range) 6 Nominal rating of lamp 2200 VA / lamp with readjusting 7 Power consumption max. 12 kVA 8 Dimensions:

Width x Depth x Height 900 mm x 1200 mm x 1800 mm 9 Weight approx. 400 kg 10 Options:

External sensors

Printer

Interface

• XenoCal UV

• XenoCal Global

• Black standard temperature sensor

• White standard temperature sensor

Thermoprinter

RS232 / RS 485

11 Electrical connection 400 V ± 10 %, 50-60 Hz, (3/N/PE),

CEE (32A, 5pol.,6h)

12 Noise level < 75 db(A)

ATLAS Operating manual XENOTEST BETA

Page 11

3. Unit set-up

Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function Maintenance

Options and accessory of the XENOTEST BETA

To ensure the functioning of the water circuit and

the humidification system, the apparatus must be aligned by means of its height adjustable feet.

3.1 Scope of delivery XENOTEST BETA LM

The unit is supplied in a suitable shipping case. Sensitive components such as:

1. Xenon lamps,

2. optical filter system,

3. sample holders and cover masks,

4. XENOSENSIV sensor,

5. outer cylinder,

are packed separately.

The scope of delivery includes (other fittings are available when wished):

1. Control system with display and operating

keyboard,

2. 3 Xenon lamps (type NXE 2200),

3. Sensor to measure test chamber

temperature and rel. humidity,

4. XENOSENSIV sensor to measure the

irradiance in the UV range from 300400 nm and the black standard temperature,

5. End plug for operation without

XENOSENSIV sensor,

6. Support sheet to fix the XENOSENSIV

sensor on to the sample holder,

7. XENOCHROME filter system consisting of

filter lantern with 11 special filters,

8. Outer cylinder made of quartz glass and

special UV glass (suprax),

9. 16 standard sample holders,

10. 16 masking sheets to fix unstable samples

on the sample holder,

11. Water tank,

12. Thermo printer

13. Interface RS232 / RS485

Technical documentation: Operating manual, circuit diagrams, spare parts list.

14.

3.2 Space requirements

3.2.1 Laboratory

To avoid contamination and to ensure reproducibi-

lity of the climatic conditions, we recommend to install the equipment in an airconditioned and air-filtered (filter type EU4) laboratory at 18°C - 25°C and a relative air humidity of 50%.

3.2.2 Room ventilation

The XENOTEST BETA needs 200 m³/h air to cool

down the xenon lamps and 200 m³/h air to cool down the test chamber. An amount of 400 m3/h fresh air has to be supplied to the laboratory via an air filter (filter type EU4).

3.2.3 Electrical connection

The unit is designed for a mains supply of 400V ± 10%. Connection is ensured by safety contact plug (3,N,PE), CEE (32, 5pol., 6h).

• For the electrical supply observe UVV VGB 4.

• Mains conditions have to agree with the data on the identity label .

• Observe VDE and technical connection regulations of the energy supply companies.

Operating manual XENOTEST BETA LM ATLAS

Page 12

Unit set-up

Unit description

List of options and accessories

MaintenanceCare and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

Start-up

Figure 1: Space requirement

3.2.4 Space requirement (fig. 1)

Dimensions of XENOTEST BETA (Width x depth x height): 900m x 1200mm x 1800mm.

For adequate cooling of the xenon lamps, take care that the air inlets and outlets at the top and back side of the equipment

are not obstructed. Allow for the necessary space for operation, maintenance and repair of the equipment.

ATLAS Operating manual XENOTEST BETA

Page 13

Unit set-up

Unit description

List of options and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

530

XENOTEST BETA LM

HERAEUS

Instruments

ø100

460

1180

585

610

860

ø200

470

320

460

Figure 2: Unit dimensions (in mm)

Maintenance

Operating manual XENOTEST BETA LM ATLAS

Page 14

4. Description of the unit

1 Exhaust air socket 2 Program control system 3 Data and print key 4 The test chamber becomes

accessible by unlocking the door and swinging it to the side

5 Access to ultra-pure water tank

Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

6 Height adjustable feet 7 Test chamber door 8 Keyboard for program input 9 Key operated switch, START/STOP key 10 4-line LCD-display providing operator

guidance and data information

4.1 Front side of equipment (fig. 3)

Figure 3: Front side of equipment

Maintenance

XENOTEST BETA LM

ATLAS Operating manual XENOTEST BETA LM

Page 15

Unit set-up

Unit description

List of options

and accessories

Maintenance

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

9 Green LED light comes on when

main switch is on

10 STOP key 11 Red LED flashes when the program is

interrupted with the STOP key or when the system is defective. The red LED is continuously on when certain limit values are exceeded

12 Key to interrupt the rotation of the

specimen holder carousel during a running program resp. to move the carousel when a program is interrupted

4.1.1 Program control (fig. 4)

The control panel on the front side of the apparatus controls and regulates the course of the input weathering program. The program keyboard can be

locked during operation of the machine against unauthorized access by means of a key-operated switch.

Figure 4: Program control

1 4-line LCD display for user

guidance and data display 2 Data key for data display 3 Print key to print out the stored

program, parameter measurements

and system status from the printer 4 Program input keyboard 5 Enter key to confirm the input values 6 Escape key 7 Key-operated switch to allow locking

of the keyboard when the system is

running 8 START key

Start

Sto p

456

789

ESCAPE ENTER

DATA PRINT

Operating manual XENOTEST BETA LM ATLAS

Page 16

Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

To clean the test chamber the specimen carousel

(10) is disassembled. For this, the 4 securing screws of the top and bottom carousel rack (11/

12) are removed and the racks are placed on the test chamber bottom. Unscrew the 4 securing screws (13) of the four carousel bows (14) and

remove the bows from the test chamber. Finally remove the two air routing plates (15) from the

Figure 5: Water tank

test chamber.

4.1.3 Water tank (fig. 5)

The water tank is placed in the bottom part of the apparatus and provides for the supply with ultrapure water for the humidity and rain functions (see fig. 11 water circuits).

1 Tank cover 2 Aperture for hose connections 3 Inlet socket 4 Outlet socket 5 Water level indicator

Water quality The water quality must be of high-grade purity to

prevent deposits building up on the optical filter system, the internal walls and the samples. Deposits will alter the exposure results. The use of ion exchange cartrid-

ges alone is not sufficient. Regarding the water purity we refer to the minimum requirements of some important standards, such as DIN 53387 „Light exposure and weathering of plastics“:

1. Electrical conductivity: < 5 µS/cm

2. PH value: 6-8

3. Content of solid bodies < 1 ppm measured

as silicon dioxide

Maintenance

4.1.2 Test chamber (fig. 6)

The test chamber becomes accessible after unlocking the test chamber door and swinging it to the side. It is equipped with a safety switch allowing to switch off the machine during a running program.

This safety switch must be checked for its perfect technical function within the determined inspection intervals, or at least once a year.

Are located in the centre of the test chamber the selected outer cylinder (1) with the three xenon lamps (2) and the filter lantern (3). The 16 sample holders (4) are latched into the two carousel racks (5) and during operation rotated around the lamps and the filter lantern. Test chamber and xenon lamps are supplied by separate air flows. A uniform air ventilation over the specimen surface is achieved by an appropriate airflow above and below the specimen carousel (fig. 10 ventilation scheme). At the bottom rear of the test chamber two connection hoses are provided which supply the two humidifiers with air. The maximum chamber humdidity can be adjusted up to 95% r.h. depending on the preset temperature. The rain bars (6) mounted in the test chamber spray ulra-pure water in cyclical intervals and without any pressure from the water tank on to the spe- cimens (7). The bars can be withdrawn from the test chamber by pressing on the unlocking base

(8) at the bottom end of the rain bar. A so-called XENOSENSIV sensor (9) is installed on a samp-

le holder by means of a special adapter to measure the irradiance in the range between 300-400nm and the black standard temperature in the surface temperature range up to 130°C. If no sensor is used the end plug must be fitted. A sensor is mounted in the upper rear part of the test chamber which measures the test chamber temperature and the relative humidity. The sensors combined with the program control guarantee control of constant setting values.

ATLAS Operating manual XENOTEST BETA LM

Page 17

Maintenance

Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

Figure 6: Test chamber

Maintenance

10 Specimen carousel 11 Securing screws,

carousel rack bottom (4x) 12 Securing screws, carousel rack top (4x) 13 Securing screws carousel bow (4x) 14 Carousel bows (4x) 15 Air routing plates, bottom 16 Air routing plates, top 17 Door sealing of test chamber

1 Outer cylinder 2 Xenon lamps NXE 2200 (3x) 3 Filter lantern 4 Sample holder (16x) 5 Specimen carousel rack (2x) 6 Rain bar (3x) 7 Specimen 8 Unlocking base 9 XENOSENSIV sensor

Operating manual XENOTEST BETA LM ATLAS

Page 18

Unit description

List of options

and accessories

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Options and accessory of the XENOTEST BETA

A thermoprinter (2) is placed above the main switch providing for the print-out of data of the stored programs as well as of the actual measuring values of the current program. The interface (3) on the right-hand side of the main switch provides for the data output and external computer control. Right to the test chamber (4) is the climatic duct (5) with the integrated heating (6) to warm up the test chamber air. The two air flap motors (7) serve to adjust the air flaps in the ventilation duct (8). The climatic fan (9) recirculates the air and is controlled by the climatic fan control (10). The operating hour counter (11) counts the operating time of the equipment. The three power supply units (13) of the lamps are placed behind a protective wire mesh (12).

4.2 Right hand apparatus side (fig.8)

The mains switch (1) (fig. 7) is located at the top left; disconnect unit in case of trouble.

The unit must be disconnected for all maintenance

works. Turn switch to position "0", and pull mains plug. Protect against replugging!

Figure 7: Main switch

Maintenance

Start-upUnit set-up

Function

High voltage is present on the power packs. Touching may be hazardous to your life !

The fuse for the heating (14) and the fuses for the three lamps (15) are located below the protective wire mesh. The fuse protection for the three lamps is 25 amps and for the heating it is 16 amps.

4.3 Apparatus top (fig. 8)

The separate exhaust air flows for lamp cooling and test chamber warming are evacuated at the top of the unit via separate exhaust air sockets to the open (see fig. 11 ventilation scheme). Exhaust air sok-

ket lamp cooling (16) diameter 100mm, exhaust air socket test chamber warming (17) diameter

200mm.

The hoses for the lamp and test chamber exhaust air must be made of flexible heatresisting material, as the temperatures of the exhaust air may reach up to a max. of 120°C. The max. length of the exhaust hose is li-

mited to 3m including the option of two 90 degree bends. In case of longer exhaust air ducts or with more than two 90 degree bends an external blower is needed.

ATLAS Operating manual XENOTEST BETA LM

Page 19

Unit description

List of options

and accessories

Care and cleaning

Program example on

XENOTEST BETA

Features

Function

Options and accessory of the XENOTEST BETA

After the opening of the lateral two-leaf doors the right side of the apparatus becomes accessible.

123456

Figure 8: Right side of unit

Maintenance

Start-up

Safety hints

Unit set-up

Test set-up

1 Mains switch 2 Thermoprinter 3 Interface RS 232 / RS485 4 Test chamber 5 Climatic duct 6 Heating (4x) 7 Air flap motor 8 Ventilation duct 9 Climatic fan

10 Control climatic fan 11 Operating hours meter 12 Protective wire mesh 13 Power supply units for lamps (3x) 14 Fuse heating, 1 piece, 16A 15 Fuse lamps, 3 pieces, 25A 16 Exhaust air socket lamp cooling 17 Exhaust air socket test chamber heating 18 Mains adaper transformers (3x)

Operating manual XENOTEST BETA LM ATLAS

Page 20

4.4 Left hand apparatus side (fig. 9)

The fan to cool down the lamps (1) is seated below the test chamber. At the same level on the left side the two humidifiers (2) are fitted. The water supply to the two humidifiers can be adjusted by means of a valve (3). Via two fexible, heat resistant hoses (4) the humidifiers are supplied with air out of the test chamber and direct the humidified air via 8 outlets (5) to the ventilation duct. From there the humidified air is inserted to the test chamber by means of a fan (see fig. 11 ventilation scheme). The sensor for the test chamber temperature and the rel. humidity transmits the actual values taken from the exhaust air flow of the test chamber to the program control system. With a target/actual comparison the requested test parameters are adjusted permanently by adjusting aggregates. With an inserted XENOSENSIV sensor (see fig.

6.9) a slip ring collector (7) transmits the

measured values to the program control. The rain pump (8) provides the three rain bars with pure water. The inlet and outlet lines of the humidifier, the water return line from the test chamber and the supply line of the water pump are led through the top of the water tank (9). The ignition units (10) in conjunction with the power supply units ignite the xenon lamps.

4.5 Apparatus rear panel (fig. 9)

Unit description

List of options

and accessories

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Options and accessory of the XENOTEST BETA

Maintenance

Start-up

Unit set-up

Function

An opening for the air supply flow is provided on the upper rear panel of the apparatus. The laboratory air is cleaned by a filter mat (11) .

ATLAS Operating manual XENOTEST BETA LM

Page 21

After the opening of the lateral two-leaf doors the left side of the apparatus becomes accessible.

8 Rain pump 9 Water tank 10 Power supply lamps (3x) 11 Filter mat 12 Water inlet water tank 13 Water outlet water tank 14 Height adjustable feet

Figure 9: Left side of the unit

Unit description

List of options

and accessories

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Options and accessory of the XENOTEST BETA

Maintenance

Start-up

Unit set-up

Function

1 Fan lamp cooling 2 Humidifier (2x) 3 Valve 4 Hose (2x) 5 Air outlet humidifier (8x) 6 Sensor for test chamber

temperature and rel. humidity

7 Slip ring collector

Operating manual XENOTEST BETA LM ATLAS

Page 22

Figure 11: Ventilation scheme

4.6 Ventilation circuits (fig. 10)

1) Lamp cooling: Fan (1) produces the exhaust air flow (2), which cools down the xenon lamps.

2) Test chamber (fresh air operation): The ventilation circuit of the test chamber receives fresh air (3) through a filter mat (4) at the rear panel of the unit. The quantity of fresh air is controlled by a flap air inlet (5) and warmed up with a heating system (6). The climatic fan (7) transmits the air humidified by the humidifier (8) via air leading plates (9) to the test chamber. The air intake tube for the humidifier (10) takes its air out of the test chamber.

There is a uniform air flow around the samples (11). A sensor (13) measures the temperature and rel. humidity of the test chamber exhaust air (12) under permanent target/actual comparison. Via exhaust air sockets (14) the air is evacuated to the outside.

3) Test chamber (air circulation):

During the air circulation mode the air flaps (15) are closed within the flap adjusting range (16) and the air flow (17) is directed as described.

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XENOTEST BETA

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Start-upUnit set-up

Function

1 Fan lamp cooling 2 Exhaust air from lamps 3 Air inlet 4 Filter mat 5 Flap air inlet 6 Heating 7 Fan 8 Humidifier 9 Air leading plates

Maintenance

10 Air inlet hose humidifier 11 Sample 12 Exhaust air from test chamber 13 Sensor for test chamber temperature and

rel. humidity 14 Exhaust air socket 15 Flaps 16 Flaps adjusting range 17 Circulated air

ATLAS Operating manual XENOTEST BETA LM

Page 23

5.1 Options

Unit components which are installed by Xenotest GmbH.

5.1.1 Rain, humidity function and sample back cooling (fig. 11)

1 Water tank 2 Water inlet socket 3 Level switch 4 Solenoid switch 5 Diving pump (2x) 6 Humidifier (2x) 7 Valve

8 Rain pump 9 Rain bar (3x) 10 Pump for sample back cooling 11 Spray nozzle for sample back cooling 12 Water inlet hose 13 Water reverse hose 14 Water outlet socket

5. Options and accessories of the XENOTEST BETA

Figure 11: Water circuits

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adjustable by a valve (7). The rain pump (8) supplies water to the rain bars (9). The pump (10) supplies water through the supply lines (12) to the spray nozzles for the sample back cooling (11) . Excess water is returned to the water tank via a reverse hose (13) or evacuated outside. The water tank can be emptied by the water outlet

socket (14).

The water tank (1) is filled through a water inlet socket (2) (see chapter 4.1.3 on water quality).

The overflow is regulated by a level switch (3), water shortage is indicated by a solenoid switch (4) on the display. Two diving pumps (5) are located in the water tank which supply the two humidifiers (6) with water. The supply amount is

Maintenance

Operating manual XENOTEST BETA LM ATLAS

Page 24

LED-Alarm:

Lighting up of the LED signals the end of the printing paper.

Line Feed/Enter:

This key has two functions. During operation „Line Feed“ is used for manual paper transport, in the menu program, „Enter“ is used to take over and store the parameters chosen with „Select“. By pressing the locking latch to the right the frontplate swings out. This provides access to the paper roll for exchange.

Figure 12: Printer

The stored programs and the measured data for the program activated can be printed out by the thermal printer. By pressing the „PRINT“-key during

the running program the printer parameters are indicated on the display:

Equipment data = 1 Program parameter = 2 Current parameter = 3

5.1.2 Printer (fig. 12)

The requested parameters are entered via the keyboard of the control panel. When selecting menu item 3 „Current parameters“ the printout interval in minutes can be entered via the keyboard.

1 LED „ALARM“ 2 Key LINE FEED/ENTER 3 Locking latch

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4 Key MENU/SELECT 5 Paper tear-off bar

Menu/Select

This key has two functions. If this key is depressed for more than 3 seconds during operation the printer willl change to the menu program alllowing modification of the printer parameters. In the menu program "Select" is used to chose the various equipment parameters.

Maintenance

ATLAS Operating manual XENOTEST BETA LM

Page 25

Basic parameters of the printer (fig. 13) The basic parameters were preset in the factory as follows:

Paper tear-off bar :

To tear off the paper strap, tear paper quickly upwards from one side to the other.

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The printer parameters (fig. 13) are preset in the factory, and must not be changed.

Change of printer parameters: (fig. 14)

1. For access to the menu, press „MENU/SELECT“ key for more than 3 seconds.The following message will be printed out.

ACTUAL PARAMETER? PRESS „ENTER“

2. Press „LINE FEED/ENTER“ key. The printer prints out current parameters and shows the following message.

CHANGE OF PARAMETERS?

3. To change the printer parameters, press „LINE FEED/ENTER“ and „MENU/SELECT“ for more than 4 seconds. Afterwards the single parameters are listed and can be confirmed by pressing „LINE FEED/ENTER“ or be changed by pressing „MENU/SELECT“.

4. To exit the menu programm, press „MENU/ SELECT“ and „LINE FEED/ENTER“ keys simultaneously, or the program is automatically terminated after 3 minutes without actuating any key.

Figure 13: Printer parameters

PRINT INTERVAL

PRINTER ADDRESS

DATA FORMAT

BAUDRATE

INTERFACE

CHARACTER SET

CHARACTERS/LINE

PRINT FORMAT

PRINT STRENGTH

MODE

00-PRINT ALWAYS

8 NO PARITY

INVERSE

ON LINE

2400

SERIAL

NATIONAL LANGUAGE

.....+.....

Operating manual XENOTEST BETA LM ATLAS

Page 26

Figure 14: Printer scheme

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ATLAS Operating manual XENOTEST BETA LM

Page 27

Figure 15

5.1.4 Interface (fig. 17)

The unit supports an RS 232 or RS 485 interface alternatively to give out measurement data to a computer whilst a program is in progress.

With the accessory-package XENOVIEW consisting of:

- connection cable

- software

- operating manual the interface can be driven. (seriell 9-pole Id. No. 56076813) (seriell 25-pole Id.-No. 56076812)

Connect the interface of the unit with the seriell interface of the computer.

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Change of paper roll: (fig.15)

1. Press locking latch to the right and swing front panel open.

2. Remove old paper roll.

3. Fit new paper roll in such way that it turns clockwise when unwinding.

4. Cut edges of the paper and insert paperroll (note fig. 15).

5. Keep „LINE FEED/ENTER“ key depressed until the beginning of the paper appears below the tear-off edge.

6. Close front door (locking latch must engage), the LED "ALARM" will go out, and the printer is ready for operation.

5.1.3 Mains transformers

(fig.16)

The mains transformers are needed for specific mains adaptations in the various countries and are fitted to the lower, right side of the unit. (see fig.

8.18).

Roll

Paper inlet slot

Figure 16

Figure 17: Software Xenoview

Operating manual XENOTEST BETA LM ATLAS

Page 28

Figure 18: XENOCHROME filter system and path of radiation

Useful lifetime:

The XENOCHROME filters are very resistant to ageing, and their recommended lifetime is 25,000 hours. The filters are exchanged as complete set and for distinction are marked at the lower filter end with the numbers I,II,III or 270, 300 und 320. Different irradiance values can be obtained by varying the optical filter system (see figs. 19 and

20).

Path of radiation:

The fraction of UV and light radiation which come into contact with the coated filters pass through the outer cylinder towards the specimen level, while the IR-radiation parts are reflected and directed on to the black metal absorber which absorbs them. The air flow along the xenon lamps and the absorber plates in the optical filter system dissipates the heat.

UV + VIS

5.2.1 Filter system

The XENOTEST BETA is used to simulate the solar or global spectrum with filtered xenon lamp radiation. To realise the various standards and test specifications a XENOCHROME filter system is at your disposal.

The XENOCHROME filter system (fig. 18) consists of a filter lantern (2) with three absorbers (3) staggered by 120°, and 10 filters (4) with the corresponding outer cylinder (5).

A) XENOCHROME 270 (I) with quartz glass

cylinder,

B) XENOCHROME 300 (II) with special UV

glass cylinder (Suprax),

C) XENOCHROME 320 (III) with special UV

glass cylinder, (Suprax).

5.2 Accessories

Helpful accessories for the operation with XENOTEST BETA LM:

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1 Xenon lamp (3x) 2 Filter lantern 3 Absorber (3x)

4 Filters (10x) 5 Outer cylinder

ATLAS Operating manual XENOTEST BETA LM

Page 29

Figure 19: Spectral energy distribution in the wavelength range 200-800 nm

XENOCHROME 300 filter system with Suprax outer cylinder and CIE 85

Figure 20: Spectral energy distribution in the wavelength range 200-800 nm

XENOCHROME 270 filter system with outer quartz cylinder XENOCHROME 320 filter system with Suprax outer cylinder

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200 300 400 500 600 700 800

Wellenlänge [nm]

Bestrahlungsstärke [W/m² x nm]

Xe nochrome 300 CIE 85

200 300 400 500 600 700 800

Wellenlänge [nm]

Bestrahlungsstärke [W/m² x nm]

Xeno c hrome 320

Xeno c hrome 270

Operating manual XENOTEST BETA LM ATLAS

Page 30

To make contrast between the irradiated and nonirradiated sections of the specimen clearly visible, cover plates are available with 3 differently sized apertures of 9mm, 18mm und 27mm. Fitting: At first the cover plate is inserted into the sample holder, followed by the specimen which is then fixed by means of the spring-operated clamps.

Figure 22: Cover plates

5.2.4 Exposure cards

Certain standards specify the make-up of the specimens, e.g. point 5 of DIN 54004 requires the specimen to be secured to a card. 100 exposure cards with the dimensions 80mm x 320mm x 0,05mm (No. 56076547).

5.2.5 Cover plates (fig. 22)

5.2.2 Standard sample holder set (fig.21)

The standard sample holder set consists of 16 sample holders with the dimensions 320mm x 80mm x 10mm maximum sample thickness (no.

56076543). For the fitting of thin, unstable samples

in the sample holder a set of 16 fixing sheets is enclosed. Fitting: First place the specimen in the sample holder. Afterwards the fixing sheet is put on and fixed with the spring-operated clamps.

Unit Sample

holder

Sample / Dimensions Length x Width x Thickness

XENOTEST 1200

16 3 samples

100mm x 68mm x 10mm

XENOTEST ALPHA 150 / 150S

28 2 samples

135mm x 45mm x 10mm

Figure 21: Sample holder set standard

5.2.3 Special sample holder

Special sample holders are used to insert different sample dimensions within the XENOTEST series.

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ATLAS Operating manual XENOTEST BETA LM

Page 31

5.2.8 Calibration adapter and end plug

To calibrate the XENOSENSIV sensor (chapt. 6.5) a calibration adapter (fig. 27) is used. If no sensor is inserted, the contact plug in the test chamber is secured by means of an end plug (chapt. 6.6, fig.28).

5.2.6 XENOSENSIV sensor (fig. 23)

The XENOSENSIV sensor collects the values of irradiation in a wavelength range of 300-400 nm as well as the values of the black standard temperature in a surface temperature range up to 130 °C at specimen level. The XENOSENSIV sensor enables constant regulation of chosen irradiation and black standard temperature values.

Figure 24: Support sheet

Figure 23: XENOSENSIV sensor

5.2.7 XENOSENSIV sensor support sheet (fig. 24)

The support sheet is used to fix the XENOSENSIV sensor in the test chamber.

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Operating manual XENOTEST BETA LM ATLAS

Page 32

6.1 Insert filters into lantern

Wear cotton gloves to insert the filters in order to avoid finger prints on the glass.

The 11 filters of the XENOCHROME-filter system are carefully inserted from the top and are turned to the fitting position.

6.2 Insertion of the XENOTEST light exposure system (fig. 25)

The light exposure system includes:

1 Outer cylinder 2 Filter lantern 3 Lamps

Outer quartz cylinder: for XENOCHROME 270 filter system,

Special UV glass filter (Suprax): to be used for XENOCHROME 300 and 320 filter system.

The external cylinder is inserted as follows:

6. Start-up

8. open the test chamber door and move the connection piece of the unscrewed flange tube slightly upwards,

9. fit lower sealing ring (9) and insert ex- ternal cylinder (10) of your choice from the front through the test chamber door,

10. insert upper sealing ring (11) into connection piece and slide this on external cylinder and sealing ,

11. fix upper flange with 4 securing screws from top through casing cover, take care of the alignment of the external cylinder,

12. place filter lantern into the outer cylinder,

13. wear gloves to carefully push the three xenon lamps into the bottom lamp sockets. Take care to correctly align the distance between absorber and lamps,

14. fit the lamp centering piece.

15. The cables of the lamp contacts are

provided with numbers (see fig. 25). Absolutely take care that the contacts are connected to the corresponding lamps. Incorrect connection may damage the equipment or lead to injury of the user.

16. Finally fit the exhaust tube such that the lamp cables get seated in the corresponding recess.

17. Close the casing cover and place the flexible exhaust tube on to the air exhaust adapter.

When opening the casing cover on the unit top the

light system is switched off. After closing the lid, the system must be re-ignited to continue the exposure.

The door safety switch has to be checked for its

safety functions within the stipulated proof intervals, or at least once a year.

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Maintenance

1 . Disconnect unit from mains (pull

mains plug),

2. remove exhaust air pipe on top of unit, open cover locking and fold up cover (1), loosen spacer tube (2) and put on the side,

3. put contacts (3) of the lamps on the side,

4. remove lamp centering piece (4),

5. wear gloves to carefully remove lamps (5),

6. remove filter lantern (6),

7. unscrew the 4 securing screws (7) of the flange tube (8),

ATLAS Operating manual XENOTEST BETA LM

Page 33

Figure 25: Insertion of the XENOTEST exposure system

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1 Casing cover 2 Spacer tube 3 Lamp contacts 4 Lamp centering piece 5 Xenon lamps (3x) 6 Filter lantern

7 Securing screws flange tube (4x) 8 Flange tube 9 Bottom sealing ring 10 Outer cylinder 11 Top sealing ring

Operating manual XENOTEST BETA LM ATLAS

Page 34

6.2.1 Inserting the lamps and

the filter lantern

To exchange the lamps and the filters proceed as described in chapter 6.2 for the start-up: Exchange of lamps: points 1-5, 13-17. Exchange of filter lantern: points 1-6, 12-17.

6.2.2 Exchange of lamps

To optimize the radiation constancy the lamps are exchanged in a 500-hour interval. Before starting operation of the equipment set the lamp age of lamp 1 to 1000 hours, lamp 2 to 500 hours and lamp 3 to 0 (see software documentation). The recommended exchange after 500 operating hours is signalled by the program control. The lamp age can be retrieved via the DATA key while the program is running. The correspondence of the lamps to the numbered connection cables is as follows: Lamp 1 = left - (cable-number 26), Lamp 2 = centre - (cable-number 27), Lamp 3 = right - (cable-Number 28).

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The cables of the lamp contacts are provided with numbers (see fig. 25).

Absolutely take care that the contacts are connected to the corresponding lamps.

Operating hour s

Lamp 1 Left No. 26

Lamp 2 Middle No. 27

Lamp 3 Rig ht No. 28

500

1000

1500

2000

2500

and so on

6.3 Water supply

For the humidity and rain functions ulta-pure water is needed. A supply line with a pressure-resistant hose (inner diameter 13 mm, 3 bar ) leads the water into the water tank (fig. 5). When the tank is full, the line is closed by a float valve. Any water shortage occurring in the tank is notified to the control system via a solenoid and shown on the display. If no supply line is present the tank can be filled manually after opening the bottom door at the front side of the unit.

To ensure the function of the water circulation and

humidifcation systems the unit must be aligned by means of its height adjustable feet (fig. 3.6). Please take care of the necessary water quality (chap. 4.1.3)!

6.4 Insert the XENOSENSIV sensor (fig. 26)

The XENOSENSIV sensor (3) is fixed with the fixing screws (1) to the support sheet (2). The mounted sensor is then fitted on a sample holder and inserted on the left or right side of the connection cable into the carousel. Connect the connection plug to the coupling in the test chamber by means of the connection cable (4). The continuously rotating sensor (at sample level) collects the measuring values of the black standard temperature (5) in the range of the ambient temperature up to 130°C at sample level as well as the measuring values of the irradiance (6) in the wavelength range of 300-400nm . The measuring values are used by the program control to adjust the preset parameter values.

ATLAS Operating manual XENOTEST BETA LM

Page 35

Figure 26: Insertion of the XENOSENSIV sensor

4 Connection cable 5 Measuring of black standard temperature 6 Irradiance measuring

1 Fixing screw (2x) 2 Support sheet 3 XENOSENSIV sensor

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Operating manual XENOTEST BETA LM ATLAS

Page 36

1 Master sensor socket 2 XENOSENSIV sensor socket 3 Plug-type connector

Figure 27: Calibration adapter

Figure 28: End plug

6.6 Insertion of the end plug (fig. 28)

If no XENOSENSIV sensor is fitted, the coupler socket in the test chamber is secured with an adapter plug.

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For special weathering procedures a dew effect can be produced on the sample surface. This is achieved after changing over from the exposure phase to the dark cycle under especially selected conditions of temperature and humidity and under simultaneous spraying of the sample backs. (Dropping below the dew point). In order to achieve an efficient sample cooling, the samples are placed on the sample holders unbacked.

6.7 Sample back cooling

Maintenance

6.5 Calibration of the XENOSENSIV sensor

For the calibration of the XENOSENSIV sensor two sensors, namely the master and the XENOSENSIV sensor, are placed in the test chamber on two adjacent sample holders. The sensors ae then interconnected by means of the calibration adapter (fig. 27).

Care must be taken that the input sockets of the calibration adapter are tied up to the corresponding sensors.

Then connect the plug-type connector of the adapter to the connection cable of the program control. Set the switch of the adapter to BST for calibration of the black standard temperature or to E for the irradiance. The calibration program can then be started.

ATLAS Operating manual XENOTEST BETA LM

Page 37

7. Function

7.1 Measuring and control

sensor system

The integrated sensor system of the XENOTEST BETA together with the sensor for test chamber temperature and relative humidity (fig. 29) and the XENOSENSIV sensor covers the following items:

1. measuring of the irradiance at sample

level in a range between 300 and 400nm,

2. control and display of the irradiance be-

tween 35 (min.) and 165 W/m² (max.), depending on the selected filters,

3. measuring of the black standard

temperature at sample level,

4. control and display of the black standard

temperature between ambient °C and 130°C,

5. measuring, control and display of the

test chamber temperature,

6. measuring, control and display of the

rel. humidity.

without XENOSENSIV sensor:

1. control by the relative electrical lamp

power (0 or 53-120%). 100% lamp power corresponds to a nominal power of 2200 VA. The control range from 100-120% allows for the lamp ageing.

2. Control by test chamber temperature

(ambient °C to 80°C).

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Screws

Sensor head

Housing

Mounting

Figure 29: Sensor for test chamber

temperature and rel. humidity

Maintenance

7.1.1 Control of the irradiance

The irradiance can be measured in a wavelength range between 300-400nm and - depending on the selected filters - can be set in a range between a min. of 35 to a max. of 165 W/m². During the lifetime of the lamp (1500 hours) the irradiance is kept constant at the set value. The irradiance is infinitely variable by the program control (fig. 4). Deviations of the irradiance are identified by the XENOSENSIV sensor and compensated by the electronic control system. Depending on the selected filter configuration different spectral energy distributions may occur (figs.19, 20).

7.1.2 Control of the black standard temperature

The adjustable black standard temperature depends on the ambient temperature and on the irradiance. The setting scope covers a range between ambient temperature and a max.of 130°C. It is measured with the XENOSENSIV sensor. It is adjusted by the speed of the test chamber fan, i.e. by the air flowrate in the test chamber.

7.1.3 Control of the fan speed

The fan speed can be varied in a range between 800-2500 rpm. Adjustment is effected by the program control (chap.8.6). A variation of the fan speed automatically changes the black standard temperature which results from the preset irradiance, test chamber temperature and selected filter system. To increase the black standard temperature it is necessary to reduce the fan speed and vice versa.

Operating manual XENOTEST BETA LM ATLAS

Page 38

The test chamber temperature is measured in the air flow and then displayed. By adding air of the laboratory and in conjunction with the heating

aggregate the test chamber temperature can be controlled in a range from ambient °C to 80°C.

7.1.5 Control of the test chamber humidity

7.2 Rain

The rain sprinkling of the entire sample surface is pressureless and is provided by three rain bars placed in the test chamber.

7.3 Sample back cooling

The sample back cooling comes from spray nozzles provided in the test chamber wall.

7.1.4 Control of the test chamber temperature

The test chamber humidity is produced by two humidifiers (fig. 8.2). It is measured in the air flow by a sensor and indicated in percent relative humidity. Figure 30 shows the setting options for the achievable relative air humidity depending on

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Figure 30: Humidity diagram

the test chamber temperature. The diagram shows the working fields as parameters for the various fan speeds. The fan speed can be adjusted in a range between 800 and 2500 rpm.

Maintenance

100

10 20 30 40 50 60 70 80

chamber tempera ture [°C]

relative humidity [%

]

800

1250 2000 2500

Fan speed

ATLAS Operating manual XENOTEST BETA LM

Page 39

The program control system of the XENOTEST BETA together with the sensors for irradiance, black standard temperature, test chamber temperature and rel.humidity allows the following optional programming of the requested test procedure:

1. light and dark phases,

2. with controlled irradiance,

3. with controlled black standard temperature,

4. with controlled test chamber temperature,

5. with controlled humidity,

6. with cyclical rain or dew of the samples at controlled water temperature.

XENOTEST BETA offers:

1. Ten test programs with 12 test cycles each

2. continuous display of the current test parameters comparing Target/Actual,

3. display of the lamp and unit age,

4. program end selectable by exposure time, radiant exposure and duration of program,

5. interfaces RS 232 and RS 485,

6. printer protocol of the equipment data.

7.5 Temperature diagrams

The black standard temperature (BST and the test chamber temperature (CHT) resp. the difference ∆T = BST - CHT are of major importance for material testing. Fig. 31 shows the temperature fields ∆T for the three different XENOCHROME filter systems as a

function of the irradiance. Another parameter in this diagram is the fan speed. With a maximum fan speed, minimum ∆T values can be achieved, and maximum ∆T values are obtained at minimum fan speed.

Fig. 31: Temperature fields

7.4 Program control system (fig. 4)

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0 20 40 60 80 100 120 140 160 180

E [W/m²]

Xenochrome 270 Xenochrome 300

Xenochrome 320

Fan speed 800 U/ min

Fan speed 2500 U/ min

Operating manual XENOTEST BETA LM ATLAS

Page 40

8. Program example XENOTEST BETA

8.1 Task of the program

The sample program is to run with the following parameters:

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Paramet er Phase 1 Phase 2

Filter system XENOCHROME 300

Program number 1

Number of phases 2

Irradiance (E) 80 W/m² 80 W/m²

Temperature control Test chamber

temperature

Test chamber temperature

Test chamber temperature (CHT)

65 °C 55 °C

Rain No Yes

Sample backside cooling

No No

Relative humidity in % 40 Percent Rain

Phase time 102 min 18 min

Switch off criterion Total time

Total time 24 Hours

Maintenance

8.2 Solving the program task

DISPLAY TEXT INPUT/KEY PAD

ATLAS XENOTEST GmbH Unittype __ VERSION x.y ---> ENTER ENTER

A) Input of filter system:

BASIC PARAMETER = 1 PROGRAM START = 2 PROGRAMMING = 3 MAINTENANCE = 4 1

FILTER SYSTEM = 1 CHANGE OF LAMP = 2 CALIBRATION = 3 1

---> DATA DATA

Comment: Use the „DATA“ key to retrieve the possible filter systems and confirm with „ENTER“.

ATLAS Operating manual XENOTEST BETA LM

Page 41

DISPLAY TEXT INPUT/KEY PAD

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Filter system XENOCHROME Type 300 with SUPRAX Cylinder Next:: DATA Yes: ENTER ENTER

B) Delete a program:

BASIC PARAMETER = 1 PROGRAM START = 2 PROGRAMMING = 3 MAINTENANCE = 4 3

PROGRAM input = 1 PROGRAM delete = 2 2

PROGRAM NUMBER ___ 1

ENTER

Program 01 is deleted! YES: ENTER NO: ESC ENTER

C) Input of the program:

BASIC PARAMETER = 1 START OF PROGRAM = 2 PROGRAMMING = 3 MAINTENANCE = 4 3

PROGRAM input = 1 PROGRAM delete = 2 1

PROGRAM NUMBER: ___ 1

ENTER

Operating manual XENOTEST BETA LM ATLAS

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D) Input of number of phases:

Number of phases: (max. 12) ___ 2

ENTER

E) Input of irradiance E:

E (0; 45 .. 120 W/m²) PH1:___ PH2:___ 80

ENTER 80 ENTER

F) Input of temperature control:

Control CHT =1 BST =2 PH1:___ PH2:___

1 1

G) Input of test chamber temperature:

CHT (20 ... 80 °C) PH1:___ PH2:___ 65

ENTER 55 ENTER

H) Rain:

RAIN: YES=1 NO=0 PH1:___ PH2:___ 0

ENTER 1 ENTER

I) Input of sample back cooling:

Sample c. YES = 1 NO =2 PH1:___ PH2:___ 0

ENTER 0 ENTER

ATLAS Operating manual XENOTEST BETA LM

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K) Input of rel. humidity:

r.h. (0; 10 ... 95%) PH1:___ PH2: Rain 40

ENTER

Comment: Phase 2 of the humidity function is not applied because the rain function was selected.

L) Input of phase time (min):

PH1:___ PH2:___ 102

ENTER 18 ENTER

Comment: The phase time can be chosen between „1“ und „999“. When programming one phase only, this phase is repeated permanently after termination of the phase time.

M) Input of switch-off criterion:

Switch-off criterion: Total time = 1 Irradiation time = 2 Dose = 3 1

ENTER

Several switch-off criteria ? YES: ENTER NO: ESC ESC

Comment: The programming of several switch-off criteria is used for several defined stops during the the course of the program, e.g. for specimen control.

N) Input switch off time:

Switch-off time [h]: 24

ENTER

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8.3 Program start

BASIC PARAMETER = 1 PROGRAM START = 2 PROGRAMMING = 3 MAINTENANCE = 4 2

ENTER

Filter system ---> DATA XENOCHROME Type 300 with SUPRAX cylinder DATA

ENTER

Comment: Confirm the chosen filter system with DATA.

Program number: ___ 1

ENTER

Activate parameter check ? YES: ENTER NO: ESC ESC

Program start = 1 Parameter display = 2 Change Parameter = 3 1

Program start:

---> START START

Comment: Lamp ignites.

Program is running

Program number: 01

ATLAS Operating manual XENOTEST BETA LM

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8.4 Reading during the program run:

Comment: Current test parameters can be leafed through by pressing the DATA key.

E [W/m²]= nnn (80) DATA r.F. [%] = nn CHT [°C] = nnn (65) BST [°C] = nnn

Parameter check DATA is not active

System age [h] DATA nnnn Blower: 1800 U/min hh:mm dd.mm.yy

Total time DATA t = nnnn:nn h Irradiation time t = nnnn:nn h

Program end DATA 0024 h (Switch-off time)

Dose DATA H = nnnnnnn kJ/m²

Phase number = 1 DATA Phase time [min] current PT = nnnn maximum PT = 0999

Operating manual XENOTEST BETA LM ATLAS

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DISPLAY TEXT INPUT/KEYPAD

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Irradiance intensity DATA [W/m²] actual value = nnn set value = 80

Relative humidity DATA [%] actual value = nnn set value = 40

Black standard temperature DATA [°C] Actual value = nnn

Test chamber temperature DATA [°C] Actual value = nnn Set value = 65

Lamp age DATA Lamp 1 = nnnn h Lamp 2 = nnnn h Lamp 3 = nnnn h

Comment: The recommended lamp usage is1500 hours.

8.5 Data print out:

Comment: With the PRINT key you get to the printer menü.

Equipment data = 1 Program parameter = 2 Current data = 3 3 Configuration = 4

Print out every nnn minutes? 1

ENTER

Comment: When printed out as recommended a complete test documentation is achievable.

ATLAS Operating manual XENOTEST BETA LM

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Start-up

Maintenance

8.6 Change speed of blower during operation:

Because of lamp ageing and the kind of specimen it can be necessary to change the speed of blower of XENOTEXST BETA during operation. After the start of the unit press the DATA key until the following menu appears:

Speed of blower: (800-2500 U/min)

Comment: Input a number between „800“ und „2500“.

8.7 Stop a running program:

A running test program can be stopped by pressing the STOP key.

STOP Program interrupted Continue program:

---> START ESC

Comment: To continue the program press START. The test program continues at the point of interruption.

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8.8 Trouble shooting

In the XENOTEST BETA all weathering programs and unit functions are subject to permanent control. Input errors are indicated in the display of the program control system. The measures indicated for

debugging can be carried out by the user in compliance with the applicable safety regulations. Otherwise, please call our ATLAS service department.

No. Fa ul t Possible measures (Spare par t no.)

1 Lamp too old o r irradiance cannot be

reached with cu rrent f ilter combination

• Cleaning of the filters with alcoh ol and a l intfree cloth,

• Check of the fitted filter system o r outer c ylinder,

• Check of the selected filter system i n the weathering program,

• Check of the lamp age, if necessar y exchang e lamp NXE 2200 (no. 56076400) ,

• Exchange the filters

2 Ir radianc e can`t be reached. • Maximum deviation of program parameters too small,

• Time interval until error message t oo shor t,

• Check of fan speed,

• Check XENOSENSIV sensor with Radialux and cali brate i f necessary,

• Cleaning of the filters with alcoh ol and a l intfree cloth,

• Check of the fitted filter system o r outer c ylinder,

• Check of the selected filter system i n the weathering program,

• Check of the lamp age, if necessar y exchang e lamp NXE 2200 (no.

56076400),

• Exchange the filters.

3 BST c an`t be r eached • Maximum deviation of program parameters too small,

• Time interval until error message t oo shor t,

• Check of fan speed,

• Check XENOSENSIV sensor with Radialux and cali brate i f necessary,

• Check of the irradiance.

4 Chamb er temperature can`t be reached • Selected bl ack standar d temperature too low,

• Time interval until error message t oo shor t,

ATLAS Operating manual XENOTEST BETA LM

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No. Fa ul t Possible measure s (Spare p art no.)

5 Relative hu midity c an`t be reached • Readjust supp ly valve,

• Water supply for humidifier below 18°C, wait until water temperature rises during operation,

• Humidifer reached performanc e limit s, limi ts see chapter 7.1.5, figure 30 „humidit y diagram“ .

6 Max. BST i s reached • Maximum black standard temperature too na rrow,

• Check of fan speed,

• Check of irradiance, check XENOSENSIV sensor with Radialux and calibrat e if nec essary

7 Program paramet er not va lid • After pressing the ENTER key the error me ssages 8, 9,10 may

appear. If no error message is displayed, re-enter the program.

8 Program for se nsorles s operation • Check whether end plug is fitted.

9 Program for us e of adapt er • Check whether XENOSENSIV sensor is fitte d.

10 Program for use of XENOSENSIV • Check of the selected filter syst em and irr adiance in the

weathering program.

11 Program does not ex ist • Enter weat hering p rogram

12 Water tank empty • Refill water tank

13 No water supply for humidi fier • Readjust s upply val ve.

14 XENOSENSIV adapter not acti ve • Check whet her XENOSENSIV sensor or end plug are fitted.

15 Lamp does not ign ite • Check seat of lamp,

• Check lamp fuses,

• Check lamp age.

16 Carousel blocked • Check sample carousel.

17 Chamber door open • Shut test chamber door

18 Lid of set open • Shut lid of equipment.

19 Chamber temperat ure too h igh • ATLAS serv ice

20 Overtemperatu re at to p of the lamp • ATLAS serv ice

21 Overload in la mp power suppl y • ATLAS service

22 Air circula tion at fault • ATLAS service

23 Rain or sample cool. failed • ATLAS service

24 Humidifier out of act ion • ATLAS service

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No. Fault Possible measures (Spare part no.)

25 No battery or

battery discharged

• ATLAS service (Correct operation is no longer possible!)

26 Lithium battery older than 5 years

Exchange recommended

• Inform ATLAS service at next maintenance interval

27 Memory error

Basic initialisation will be carried out --> ENTER

All unit data and calibration factors are deleted --> ENTER

• ATLAS service (Correct operation is possible)

• Programs, time and filter configuration must be reentered!

28 Voltage loss • After loss of voltage an interrupted program can be

continued by pressing the ENTER key.

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9. Setting up tests

9.1 Equip sample holders

Lamp, specimen, specimen holders and sensors

heat up considerably during the weathering tests. Protective gloves must be worn when removing them to prevent the hands from being burnt. This applies in particular to high temperature tests.

The dimensions of the sample holders are 320mm x 80mm x 10mm and an exposure area of approx. 250 mm². Fix the specimens and possibly cover plates and fixing sheets with the spring-operated clamps.

To ensure reproducible exposure conditions always

insert all 16 specimen holders. If individual holders are not covered with a specimen they should be covered with a fixing sheet.

Certain standards specify the make-up of the specimens, e.g. point 5 of DIN 54004 requires the specimen to be secured to a card. Exposure cards (100 pieces) can be ordered by ATLAS GmbH (No.

56076547).

Note: A backing layerplaced below the specimen may affect the surface temperature of the specimen depending on its material characteristics.

9.2 Select unit parameters

Any material inflammable or explosive at temperatures below 150 °C must not be inserted into the unit.

Do not insert materials which despite their application as directed release toxical substances.

Unit set-up

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XENOTEST BETA

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Function

Options and accessory of the XENOTEST BETA

Maintenance

1 Disconnect the unit from the mains

(pull mains plug),

2 Insert the chosen filter system with the

corresponding outer cylinder, 3 Insert the lamps, 4 Suspend equipped sample holders in the

carousel and ensure that they are properly

seated, 5 Switch on equipment, 6 Enter the required weathering program.

9.3 Test duration

Standards and test methods lay down test conditions in accordance with which the system should be set and the test be carried out. The duration of exposure is normally not laid down. Special application-oriented test specifications and product standards specify exposure times based on empirical values. Because of the large number of influencing factors on the exposure results, and bearing in mind the complex reaction mechanism during the irradation and weathering of materials, it is not recommended to conduct tests based on time. Therefore, in practical use known reference materials are used for the determination of the "end point". The exposure time, e.g. for the determination of light and weather fastness of textiles in accordance with ISO 105B02 or DIN 54004, is derived from the comparison between irradiated and non-irradiated surfaces on the specimen and types of the light fastness blue scale with the grades on the grey scale. Some basic standards already state the target to determine the exposure time by radiant exposure (UV range 300-400nm). XENOTEST BETA offers this programming option. The XENOSENSIV sensor integrates the irradiance in the wavelength range 300-400nm over the exposure time. The actual value can be called up retrieved at any time via the data output option on the display panel and printed out by the printer. When selecting the radiant exposure as the switchoff criterion the test will end automatically when the previously specified dosage level is reached in kJ/m2 for 300-400nm, or will be interrupted when several switch-off criteria were selected.

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10. Care and cleaning

Unit set-up

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and accessories

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Function

Options and accessory of the XENOTEST BETA

Maintenance

The unit has to be switched off when carrying out

any maintenance work, e.g. exchange of lamps, cleaning and emptying of the tank. Turn the main switch to position "0" and pull mains plug. Secure against reconnection to the mains. The following work should be carried out at regular intervals in order to ensure correct functioning of the unit.

10.1 Cleaning of quartz- and glass components

According to the cleanliness of the laboratory air and the maintenance condition of the unit, the filters should be cleaned in regular intervals or when necessary, in order to prevent an unacceptable decrease of the irradiance. Finger prints on the filter surface should be avoided or carefully removed with a soft cloth. The Suprax outer cylinder made of special UV glass as well as the window glass filter can be cleaned in a 20% citric acid solution. Cleaning efficiency is increased if it's warm. The IR filters and the UV filter glass are sensitive to moisture. It is generally sufficient to clean them with a duster. If absolutely necessary, they may also be cleaned with an organic and alcali-free cleaning agent. The XENOCHROME filters can be cleaned with commercially available alcohol or spirit, taking care that any damage to the surface is avoided.

The XENOSENSIV filters are sensitive to scratching.

10.2 Cleaning the test chamber

After prolonged periods of operation, the test chamber may show traces of dirt and contamination derived from the samples, from the air, or from the water. We recommend to keep the entire test compartment clean in order to maintain uniform surface reflection. Use a liquid cleaning agent which does not contain any chlorine compounds and is suitable for special steel. Carefully rinse the surfaces with ultra purified water after using the agent to ensure that the

distilled water used later in the system does not become contaminated. The procedure to clean the test chamber is described in chapter 4.1.2.

10.3 Cleaning the water tank

According to the degree of contamination (depending on laboratory conditions), we recommend frequent cleaning of the water tank, in order to prevent pollution of the pipe system and test chamber. Therefore empty the tank and remove the tank from the system.

10.4 Changing the air filter

On the right-hand side and the rear panel of the unit air filters (filter type EU4) are fixed on wire meshes. They can be withdrawn by pulling them backwards. Please ensure when replacing the filter that the soft side faces outwards and that the edges seal tightly. The regenerating filter pad consists of polyamide fibres bonded with synthetic resin. At a normal degree of pollution, it is generally sufficient to rinse the removed filter pad in luke-warm water to which a small amount of fine detergent was added. Where more severe contamination occurs, the pad can be beaten, vacuumed or blown through using a gentle jet of compressed air.

We recommend to clean the filters every 6 months,

respectively when necessary in case of unfavourable environmental conditions. Insert a new filter pad after having cleaned it twice.

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The wide range of XENOTEST BETA accessories enables you to build your own tailor-made system.

12.1 Options

Unit components which are installed by Xenotest GmbH.

12. List of options and accessories

11. Maintenance

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Maintenance

Components Chapter Figure

Sample back cooling 5.1.1 11

Thermoprinter 5.1.2 12

Mains transformer 5.1.3 16

Interface RS 232 or RS485 5.1.4 17

After one year’s operation, the unit should be subjected to a comprehensive inspection; the reflecting surfaces, in particular, should be checked for reflectance. The maintenance should be carried out by the ATLAS service or by an authorized customer service engineer.

Within the stipulated proof intervals, or at least once a year, the temperature cut-offs, the humidifier, power supplies, heating system and the exhaust air from the lamps have to be checked for their safety function.

Within the stipulated proof intervals, or at least once a year, the float switch of the water tank and the humidifier have to be checked for their safety function.

Within the stipulated proof intervals, or at least once a year, the carousel cut-off switch has to be checked for its safety function.

Ask for our special service package, which contributes with its maintenance, measuring and calibration service to the availability, process security and reproducibility.

Operating manual XENOTEST BETA LM ATLAS

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Unit set-up

Unit description

List of options

and accessories

Start-up

Care and cleaningTest set-up

Program example on

XENOTEST BETA

Features

Safety hints

Function

Options and accessory of the XENOTEST BETA

Maintenance

Item Components Pieces Chapte Ident Number Illustration

1 Filter/Optical Components:

2 XENOCHROME Filter System 270 1 5.2.1 56076537 18

3 XENOCHROME Filter System 300 1 560 76538

4 XENOCHROME Filter System 320 1 560 76539

5 Quartz Outer Cylinder for item 2 1 6.1 56076548 18 and 29

6 Sample Holders/Cover Plates:

7 Sample Holder Set Standard:

Sample Holder Fixing Sheets

16 16

5.2.2 56076543 21

8 Special Sample Holders:

XENOTEST 1200 incl. Fixing Sheets XENOTEST ALPHA 150/150S incl. Fixing Sheets

16 16 28 28

5.2.3 56076699

56076700

without illustration

9 Sample Holder Cards for Pos. 7 100 5.2.4 56076547 without illustration

10 Cover Mask Set for Pos. 7

with 9mm, 18mm und 27mm Insert

je 16 5.2.5 56076544 22

11 Sensor/Sensor Accessories:

12 XENOSENSIV Sensor 1 5.2.6 56068425 23

13 XENOSENSIV Sensor

Fixture for BETA LM

1 5.2.7 56076549 24

14 Calibration Adapter XENOSENSIV 1 5.2.8 56075992 27

15 End Plug 1 56075482 28

16 Sensor Adapter for RADIALUX

UV a. GLOBAL Sensor, rot. BST/WST

1 56076545 without illustration

12.2 Accessories

Helpful accessories for the operation with XENOTEST BETA LM:

ATLAS Operating manual XENOTEST BETA LM

Page 55

13. Technical data

Electrical Data Operational Data

Mains voltage * 40 0 V ±10%, 50 /60Hz Cooling air required f or

lamps

max. 200m³/h

Mains socket (3,N,PE) AC,

CEE (32A, 5pol.,6h)

Cooling air required f or test chamber

max. 200m³/h

Max. consumption approx . 12KVA Ultra pure water for rai n max. 1l/min

Lamp power 2200VA Ultra pure water for

humidity

max. 4l/h

Max. lamp power max. 2800VA Ultra pure water for

sample back side cooling (Option)

max. 1l/min

Rated current 16A

Lamp current max. 20A

Equipment Data Specification

Dimensions width x depth x height

900mm x 1200mm x 1800mm Irradiance at sa mple level i n

UV range 300 - 400 nm

Weight approx. 400kg XENOCHROME 270 60 - 165 W/m²

Sample surface max. 4000cm² XENOCHROME 300 45 - 120 W/m²

XENOCHROME 320 35 - 100 W/m²

Black standard temperature **

Ambient - 130°C

Test chamber temperature**Ambient - 80°C

Rel. humidity ** 10-95%

Comment: * = Other voltages on request. ** = Max. values achievable are dependent on the ch osen fil ter system, the irradiance settings a the lab orator y environmental conditi ons.

Operating manual XENOTEST BETA LM ATLAS

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ATLAS Material Testing Technology

Vo g e l s b e r g s t r a ß e 2 2

D-63589 Linsengericht Phone: + 49/6051/707-140 Fax: + 49/6051/707-149 Ident-No.:56350027 11/98

Atlas XENOTEST BETA LM Operating Manual

Specifications and Main Features

Frequently Asked Questions

User Manual