Page 1
DOC013.52.90269
1027 1029 2000
BÜHLER 1027, 1029, 2000
Portable Sampler
Short Manual
08/2011, Edition 3A
© HACH-LANGE GmbH, 2010, 2011. All ri ghts reserved. Printed in Germany
Page 2
Page 3
Table of Contents
Section 1 Specifications ........................................................................................................................5
1.1 Dimensions ........................................................................................................................................6
Section 2 General Information...............................................................................................................7
2.1 Safety information...............................................................................................................................7
2.1.1 Use of hazard information..........................................................................................................7
2.1.2 Precautionary labels ..................................................................................................................7
2.2 General Information............................................................................................................................8
2.2.1 Areas of application ...................................................................................................................8
2.2.2 Functional description................................................................................................................8
2.3 Product contents.................................................................................................................................8
Section 3 Installation............................................................................................................................ 11
3.1 Mechanical installation......................................................................................................................12
3.1.1 Required tools..........................................................................................................................12
3.1.2 Installation location (1027).......................................................................................................13
3.1.3 Position (1029 and 2000).........................................................................................................14
3.1.4 Attach the sampler compartment to the bottle compartment (1029).......................................15
3.2 Electrical connections.......................................................................................................................15
3.2.1 Electrical installation ................................................................................................................16
3.2.1.1 Prepare the electrical installation....................................................................................16
3.2.1.2 Wiring diagram................................................................................................................17
3.2.2 Installation of the optional bottle compartment with active cooling (1029/2000)...................... 18
3.3 Commission of the equipment.......................................................................................................... 20
3.3.1 Tube connection......................................................................................................................20
3.3.2 Set the individual sample volumes...........................................................................................21
3.3.2.1 Plastic dosing vessel.......................................................................................................21
3.3.2.2 Glass dosing vessel........................................................................................................23
3.3.2.3 Dosing vessel for flow-proportional sampling .................................................................25
3.3.3 Remove the top part of the housing (1029).............................................................................27
3.3.4 Remove the top part of the housing (2000).............................................................................28
3.3.5 Prepare the bottle compartments.............................................................................................28
3.3.6 Attach the top part of the housing............................................................................................29
3.3.7 Connect the equipment to the mains.......................................................................................30
3.3.8 Switch on the device................................................................................................................32
3.3.9 Adjust the cooling settings for the optional bottle compartment with active cooling (1029 and
2000)...........................................................................................................................................33
Section 4 Operation..............................................................................................................................35
4.1 Control unit operation .......................................................................................................................35
4.1.1 Password.................................................................................................................................35
4.1.2 Programming ...........................................................................................................................35
4.1.3 Keyboard layout/function .........................................................................................................35
4.2 Normal operation.............................................................................................................................. 37
4.2.1 Replace the sample bottles......................................................................................................37
3
Page 4
Section 5 Maintenance and cleaning...................................................................................................39
5.1 Maintenance tasks ............................................................................................................................39
5.2 Cleaning............................................................................................................................................39
5.2.1 Clean the housing and distribution unit (1029–2000)...............................................................39
5.2.2 Clean the dosing vessel...........................................................................................................41
5.3 Troubleshooting ................................................................................................................................43
5.3.1 Change the fuse.......................................................................................................................43
5.4 Instrument decommissioning and storage.........................................................................................45
Section 6 Replacement parts and accessories ..................................................................................47
6.1 Spare parts........................................................................................................................................47
6.2 Accessories.......................................................................................................................................50
Section 7 Warranty and Liability..........................................................................................................53
Section 8 Contact information ............................................................................................................55
4
Page 5
Section 1 Specifications
These are subject to change without notice.
BÜHLER 1027 BÜHLER 1029 BÜHLER 2000 BÜHLER 1029 BÜHLER 2000
Without active cooling With active cooling
Electrics
Power supply, sampler compartment
With integrated battery – 12 V (DC) 12 V (DC)
With integrated power
pack
With optional power pack – 110–230 V/50–60 Hz.
Power supply, bottle compartment
With integrated power
pack
Rating 16 A
Power consumption approx. 30 VA approx. 50 VA
Environment
Medium temperature 0to40°C [32to104°F]
Ambient temperature 0to50°C [32to122°F] 0to43°C [32to110°F]
Delivery height < 6m [20ft], optional < 8m [26ft]
General specifications
Coolant – R134a
Maintenance requirements Maintenance-free
Weight
110–230 V/
50–60 Hz.
–
12 V (DC)
–
110V/60Hz
230 V/50 Hz
or
(optional) or
(optional)
Top part approx. 6.6 kg approx. 10 kg approx. 14.3 kg approx. 1 0 kg approx. 14.3 kg
Bottle compartment – approx. 11 kg approx. 25 kg
Complete – approx. 22 kg approx. 25 kg approx. 35 kg approx. 40 kg
Dimensions (W × H × D)
Top part
Bottle compartment –
Complete –
With cap opened (55°) –
Certification
Certification CE, sampling in accordance with ISO 5667-2/3-10
475 × 362 × 222
[18.7×14.3×8.7]
445 × 442 × 222
[17.5×17.4×8.7]
510 × 534 × 430
[20 × 21 × 16.9]
510 × 942 × 430
[20 × 37 × 16.9]
510 × 390 × 468
[20×15.4×18.4]
510 × 787 × 468
[20 × 31 × 18.4]
510 × 970 × 468
[20×38.2×18.4]
445 × 442 × 222
[17.5×17.4×8.7]
550 × 775 × 468
[21.7 × 30.5 × 18.4]
510 × 970 × 468
[20×38.2×18.4]
–
510 × 390 × 468
[20×15.4×18.4]
550 × 1028 × 468
[21.7×40.5×18.4]
510 × 1210 × 468
[20 × 47.6 × 18.4]
5
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Specifications
5
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2
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1
0
5
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8
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2
abc3def
1
0
H
T
H
T
H
H
B
B
B
H
T
siehe Tabelle Technische Daten
B×H×T:
55°
W
H
D
W
D
H
W
H
D
H
H
W × H × D:, see the specifications table
1.1 Dimensions
1027
1029
6
2000
Figure 1 Dimensions
Page 7
Section 2 General Information
2.1 Safety information
Please read this entire manual before unpacking, setting up, or operating this equipment.
Pay attention to all danger and caution statements. Failure to do so may result in personal
injury or damage to the instrument.
To ensure that the protection provided by this equipment is not imp aired, do not use or
install this equipment in any manner other than that specified in this manual.
2.1.1 Use of hazard information
DANGER
Indicates a potentially or imminently hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING
Indicates a potentially or imminently hazardous situation that, if not avoided, could
result in death or serious injury.
CAUTION
Indicates a potentially or imminently hazardous situation that could result in minor
or moderate injury.
Important note: Information that requires special emphasis.
Note: Information that supplements points in the main text.
2.1.2 Precautionary labels
Read all labels and tags attached to the instrument. Failure to do so may resu lt in personal
injury or damage to the instrument. A symbol, if noted on the instrument, will be included
with a danger or caution statement in the manual.
This symbol, if noted on the instrument, references the user manual for operation and/or safety information.
This symbol, when noted on a product enclosure or barrier, indicates that a risk of electrical shock and/or
electrocution exists.
This symbol may appear on the product and indicates the need for protective eye wear.
This symbol may appear on the product and identifies the connection point for the protective ground.
7
Page 8
General Information
INPUT-Stecker
1,7 m
[5.6 ft]
INPUT plug
When this symbol appears on the product, it identifies the location of a fuse or a current limiter.
Electrical equipment marked with this symbol may not be disposed of in European domestic or public disposal
systems after 12 August 2005. In conformity with European local and national regulations (EU Directive
2002/96/EC), European electrical equipment users must now return old or end-of-life equipment to the
manufacturer for disposal at no charge to the user.
Note: For return for recycling, please contact the equipment manufacturer or supplier for instructions on how
to return end-of-life equipment, manufacturer-supplied electrical accessories, and all auxiliary items for proper
disposal.
2.2 General Information
2.2.1 Areas of application
The equipment is used for sampling aqueous liquids with a temperature of 0 °C to 50 °C
(refer to Section 1 Specifications, page 5).
2.2.2 Functional description
The equipment provides temporary storage for liquids of a specified volume so that they
can be analyzed.
2.3 Product contents
The equipment is supplied with a tube and brief operating instructions.
Depending on the model, the equipment is also supplied with a plug (1027/active cooled
bottle compartment), tension belt (1029) or an optional charger (1029/2000).
If you require further information, you can order the operating instructions (refer to
Section 6 Replacement part s and accessories, page 47) from the manufacturer or you can
download them from the Internet.
8
Figure 2 Scope of delivery (1027)
Page 9
General Information
Figure 3 Scope of delivery (1029)
Figure 4 Scope of delivery (2000)
9
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General Information
10
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Section 3 Installation
DANGER
Only qualified experts should conduct the tasks described in this section.
DANGER
Select an appropriate installation location for the instrument.
Plan out the mechanical mount·before positioning poles or drilling holes. Make
sure the mount has a sufficient bearing capacity. The dowels must be selected and
authorized according to the condition of the wall.
The manufacturer shall accept no liability if the instrument is installed incorrectly.
Plan how to lay cables and tubes and their path in advance. Lay the tubes, data
cables and power cables without any bends and so they do not pose a tripping
risk.
Do not connect the electrical supply to the mains if the equipment has not been
wired and fused correctly.
Sufficiently protect the electrical power supply against short circuits.
For the external power supply, always connect a residual-current circuit
breaker·(trip current max.: 30 mA) between the mains and the system.
If the equipment is to be installed outdoors, switch the overload prot ection
between mains and system.
Products intended by the manufacturer for outdoor use offer a higher level of
protection against the penetration of liquids and dust. If these products are
connected to a mains outlet with a cable and plug·rather than a permanently
connected cable, the plug and outlet are much more susceptible to liquid and dust
penetration. The operator must sufficiently protect the plug and outlet against
liquid and dust penetration in accordance with local safety regulations. If the
instrument is to be used outdoors, it must be connected to a suitable outlet with a
protection type of at least IP44 (splash protectio n).
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Installation
3.1 Mechanical installation
DANGER
Select an appropriate installation location for the instrument.
Plan out the mechanical mount·before positioning poles or drilling holes. Make
sure the mount has a sufficient bearing capacity. The dowels must be selected and
authorized according to the condition of the wall.
The manufacturer shall accept no liability if the instrument is installed incorrectly.
Plan how to lay cables and tubes and their path in advance. Lay the tubes, data
cables and power cables without any bends and so they do not pose a tripping
risk.
Note: For information on installation with optional accessories, refer to the relevant installation
instructions.
3.1.1 Required tools
Figure 5 Required tools (1027)
Figure 6 Required tools (1029 and 2000)
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Page 13
3.1.2 Installation location (1027)
210 mm
[8.30 in]
210 mm
[8.3 in]
Select suitable fastening materials (e.g. 6 × 40 mm screws and corresponding dowels)
and read all the safety information about installation and mechanical assembly.
Installation
Figure 7 Select installation location (1027)
Figure 8 Attach the equipm ent (1027)
13
Page 14
Installation
<5°
<5°
<5°
<5°
<5°
<5°
<5°
<5°
3.1.3 Position (1029 and 2000)
Figure 9 Select the position (1029 and 2000)
14
Figure 10 Position the equipment (1029 and 2000)
Page 15
3.1.4 Attach the sampler compartment to the bottle compartment (1029)
1
2
Installation
Figure 11 Attach the sampler compartment to the bottle compartment (1029)
3.2 Electrical connections
DANGER
Only qualified experts should conduct the tasks described in this section.
DANGER
Do not connect the electrical supply to the mains if the equipment has not been
wired and fused correctly.
Sufficiently protect the electrical power supply against short circuits.
For the external power supply, always connect a residual-current circuit
breaker·(trip current max.: 30 mA) between the mains and the system.
If the equipment is to be installed outdoors, switch the overload prot ection
between mains and system.
If the mains plug·of the power supply cable·is removed, a suitable double-pole
one-way switch must be installed immediately next to the display unit·with clear
labeling for the power supply.
Products intended by the manufacturer for outdoor use offer a higher level of
protection against the penetration of liquids and dust. If these products are
connected to a mains socket with a cable and plug·rather than a permanently
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Installation
4
2
3
1
connected cable, the plug and socket are much more susceptible to liquid and
dust penetration. The operator must sufficiently protect the plug and outlet against
liquid and dust penetration in accordance with local safety regulations. If the
instrument is to be used outdoors, it must be connected to a suitable outlet with a
protection type of at least IP44 (splash protection).
3.2.1 Electrical installation
3.2.1.1 Prepare the electrical installation
In battery mode In mains power mode
1027 – No preparation required
1029 No preparation required
2000 No preparation required Connect the Y cable as shown in Figure12.
Connect the optional charger to the charge socket on the left-hand
side.
Figure 12 Connect the Y cable (2000)
To connect the equipment to the mains, see Figure 36 Model 2000 with Y cable and
charger on page 31.
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3.2.1.2 Wiring diagram
54321
m³
4–20 mA
Event
Q
pH
m³
1
2
3
4
5
optionales Datenkabel
BM69644 (10 m)
Optional signal cable
For example:
Please note:
• The assignment of the connections in the illustration below
• The cable color of the label on the cable
Installation
Figure 13 Connection plan for the optional signal cable (BM69644)
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Installation
12 V115 V/60 Hz 230 V/50 Hz
230 V/50 Hz
115 V/60 Hz
12 V
1
6
11
1
5
20
3.2.2 Installation of the optional bottle compartment with active cooling (1029/2000)
Figure 14 Select the cable for the optional bottle compartment with active cooling (1029/2000)
18
Figure 15 Connect the optional bottle compartment with active cooling
Page 19
Installation
1
6
11
1
5
20
Important note: Blocked air outlets and liquids in the cooling machine or inside the
optional bottle compartment with active cooling can damage the equipment.
Make sure that the air outlets are always open and that no liquid is able to enter the air
outlets.
Figure 16 Sample distributor plate and air outlets on the optional bottle compartment with active cooling
Note: The housing base on the bottle compartment features numbers so that the individual bottles
can be assigned with a number.
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Page 20
Installation
3.3 Commission of the equipment
3.3.1 Tube connection
Figure 17 Connect the sample tube connection
20
Page 21
Positioning of the tubes according to the following installation diagram.
5
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0
ExH2S
6500 mm
[21.3 ft]
≤
≤
1000 mm
[40 in]
≥
≥
≤ 30 000 mm
[100 ft]≤
0–40 °C
[32–104 °F]
0–40 °C
[32–104 °F]
>50µs
1
2
Installation
Figure 18 Installation diagram
3.3.2 Set the individual sample volumes
3.3.2.1 Plastic dosing vessel
Figure 19 Unlock the bayonet cap on the plastic dosing vesse l
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Installation
= 150 mL
V-Probe [mL]
Figure 20 Remove the plastic dosing vessel
22
Figure 21 Cut the dosing tube to set the sample volume
Page 23
Installation
1
2
3.3.2.2 Glass dosing vessel
Figure 22 Assemble the plastic dosing vessel
Figure 23 Loosen the union nut on the glass dosing vessel
23
Page 24
Installation
V-Probe [mL]
= 150 mL= 150 mL
Figure 24 Remove the glass dosing vessel
24
Figure 25 Cut the dosing tube to set the sample volume
Page 25
Installation
100 mL = 100 mL
Figure 26 Assemble the glass dosing vessel
3.3.2.3 Dosing vessel for flow-proportional sampling
Figure 27 Calibrate the flow-prop ortional dosing vessel via the service menu
25
Page 26
Installation
DP = 0 [hPa, bar]
Figure 28 The flow-proportional dosing vessel can only be used,
if there is NO counter pressure
26
Page 27
3.3.3 Remove the top part of the housing (1029)
3
4
20
15
11
6
1
2
1
Installation
Figure 29 Remove the top part of the housing (1029)
27
Page 28
Installation
2
1
20
15
11
6
1
21 3
20
15
11
6
1
20
15
11
6
1
20
15
11
6
1
3.3.4 Remove the top part of the housing (2000)
Figure 30 Remove the top part of the housing (2000)
3.3.5 Prepare the bottle compartments
Figure 31 Place the empty bottles into the bottle compartment
Note: The sample distributor plate works correctly in all four of its potential positions.
Note: The housing base of the bottle compartment features numbers so that the individual bottles
can be assigned with a number.
28
Page 29
3.3.6 Attach the top part of the housing
3
2
1
20
15
11
6
1
20
15
11
6
1
1
2
20
15
11
6
1
20
15
11
6
1
Figure 32 Attach the top part of the housing (1029)
Installation
Figure 33 Attach the top part of the housing (2000)
29
Page 30
Installation
V?
Hz ?
VA ?
3.3.7 Connect the equipment to the mains
Make sure that:
• The equipment has been fully prepared for commissioning
• The data on the type plate corresponds to the data relating to the mains power supply
(this applies to 1027 as well as to 1029 and 2000 in conne ction with the charger and Y
plug BM69742
• The correct plug has been attached or the direct wire has been implemented correctly
• The equipment can be put into operation without any risks
DANGER
Make sure that the power supply, cable (also refer to Figure 14, page 18) and
equipment are suitable for use with each other.
30
Figure 34 Rating label
Page 31
1,7 m
[5.6 ft]
D
UK
CH
Figure 35 Possible connection configurations (1027)
Installation
Figure 36 Model 2000 with Y cable and charger
31
Page 32
Installation
230 V/50 Hz
115 V/60 Hz
12 V
1
6
11
15
2
0
I/OI/OI/O
Figure 37 Potential connection variations (optional bottle compartment with active cooling)
3.3.8 Switch on the device
Figure 38 Switch on the device
32
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Installation
1
6
11
15
20
3.3.9 Adjust the cooling settings for the optional bottle compartment with active cooling (1029 and 2000)
The manufacturer recommends a settings range of +4 to +15 °C.
Figure 39 Adjust the cooling settings for the optional bottle compartment with active cooling
33
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Installation
34
Page 35
Section 4 Operation
4.1 Control unit operation
All the equipment functions are software-controlled.
4.1.1 Password
Password to program sampler and to change settings is:
4.1.2 Programming
The menu structure resembles the directory structure of a computer hard drive and is
divided into main menus and sub menus.
4.1.3 Keyboard layout/function
The equipment can be programmed by the operator.
6299
Figure 40 Control panel
The key functions are configured as follows to enable highly intuitive operation:
Table 1 Key functions
Display help text
(in the case of selection fields,
the cursor must be placed on the left-hand side)
Move from one menu item to the next menu selection Arrow keys
Select the menu required Enter key
Move within a menu Arrow keys
Arrow key
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Operation
Table 1 Key functions
Select from within a menu Arrow keys
Confirm the selection
(automatically marked with a )
Enter/change values Arrow keys
Confirm the entered values Enter key
Return to the next superordinate menu level Back key
Enter values
RESET (restore factory settings)
Press and hold Back for at least 10 seconds
Enter key
Numeric
keypad
Back key
Example: A setting needs to be changed.
1. Press Enter.
The cursor then flashes.
2. Use the arrow keys to move the cursor until it is in the required position.
3. Press Enter.
The selection is now confirmed and the program can be started.
36
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Figure 41 Start the program
21 43
20
15
11
6
1
20
15
11
6
1
20
15
11
6
1
20
15
11
6
1
Depending on the program range,
Operation
• an activity is started or
• the next menu item is automatically selected.
Note: The general rule:
If you press Back,
– the activity is cancelled or
– the navigation takes one step back in the menu.
4.2 Normal operation
4.2.1 Replace the sample bottles
Figure 42 Replace full bottles
37
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Operation
38
Page 39
Section 5 Maintenance and cleaning
DANGER
Only qualified experts should conduct the tasks described in this section.
WARNING
Please observe the following points for the use of chemicals and/or waste water:
Wear protective clothing:
– Laboratory coat
– Protective eyewear
– Rubber gloves
5.1 Maintenance tasks
The equipment is maintenance-free, therefore the operator do es not need to carr y out any
maintenance work.
5.2 Cleaning
5.2.1 Clean the housing and distribution unit (1029–2000)
WARNING!
Manual rotation of the distribution unit can damage the dr ive.
Never rotate the distribution unit manually.
Clean the interior and exterior of the housing with a damp, lint-free cloth. Add commercial
household cleaner to the cleaning water as required.
1. Clean the exterior of the housing.
2. Remove the top part as shown in the illustrationsFigure 29, Page 27 and Figure 30,
Page 28.
3. Loosen the central nut and remove the distribution vat.
39
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Maintenance and cleaning
21
21
Figure 43 Remove the distribution vat (1029 and 2000)
4. Clean the distribution vat.
5. Attach the distribution vat aga in an d in do in g s o make s ure th at th e gu ide pin is
positioned in the bore hole.
40
Figure 44 Assemble the distribution vat (1029 and 2000 )
6. Tighten the central nut by hand again.
Page 41
Maintenance and cleaning
20
15
11
6
1
1
2
7. Clean the sample distributor plate on the bottle compartment.
Figure 45 Clean the sample distributor plate on the bottle compartment
8. Position the top part back on the bottle compartment as shown in the illustrations
Figure 32, Page 29 and Figure 33, Page 29.
5.2.2 Clean the dosing vessel
Figure 46 Release the dosing vessel
41
Page 42
Maintenance and cleaning
Figure 47 Remove the dosing vessel
42
Figure 48 Clean the dosing vessel
Page 43
Maintenance and cleaning
1
2
5.3 Troubleshooting
If the equipment does not work as required, check the fuse and replace if necessary.
5.3.1 Change the fuse
Open the fuse holder as shown in Figure 50 and replace the defective fuse.
Figure 49 Insert the dosing vessel
43
Page 44
Maintenance and cleaning
1
6
11
1
5
20
Figure 50 Position of the fuse in the portable sampler
Figure 51 Position of the fuse in the optional bottle compartment with active cooling
If the error is not rectified, please contact the customer service of the manufacturer (refer
to Contact information, page 55).
44
Page 45
5.4 Instrument decommissioning and storage
1. Remove all liquids and, if necessary, solid matter from the infeed and outfeed lines
and bottle compartments and clean as required.
2. Close all active programs.
3. Switch the equipmen t off.
Maintenance and cleaning
45
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Maintenance and cleaning
46
Page 47
Section 6 Replacement parts and accessories
6.1 Spare parts
Description Cat. no.
Short Manual 1027, 1029, 2000 (xx = language number) DOC013.xx.90269
Operating instructions 1027 (xx = language number) DOC023.xx.90152
Operating instructions 1029 and 2000 (xx = language number) DOC023.xx.90153
Replacement bottle, glass, 1 L BM30030
Cap for 1 L gl ass bottle BM60533
Replacement bottle, glass, 20 L BM30045
Replacement bottle, PE, 1 L BM60486
Cap for 1 L PE bottle BM60488
Replacement bottle, PE, 25 L (with cap) BM60046
Replacement bottle, PE, 5 L (with cap) BM60038
Replacement bottle, PE, 13 L (with cap) BM60045
Replacement battery 1029 BM10012
Replacement battery 2000 BM900116
47
Page 48
BM80070
BM69452
BM80044
350 mL
BM69301
12×2
BM69302
4 × 1,5
BM900715
BM900627
Kunststoff - Dosiereinheit
Plastic dosing vessel
Replacement parts and accessories
Figure 52 Plastic dosing vessel
48
Page 49
BM69402
BM30004
350 mL
BM69301
12×2
BM69302
4 × 1,5
Glas - Dosiereinheit (350 mL)
BM900743
BM80070
BM900627
Glass dosing vessel (350 ml)
Replacement parts and accessories
Figure 53 Glass dosing vessel (350 ml)
49
Page 50
Replacement parts and accessories
6.2 Accessories
Description Cat. no.
Y cable, power supply BM69742
Charger IP20 for 1029 and 2000 BM900026
Charger IP65 for 1029 and 2000 BM900033
Signal cable, 10 m (32.8 ft.) BM69644
RS232 serial data cable BM900021
PC software READ DATA BM200004
Tube connection with screw connection BM900300
Battery for bottle compartment with active cooli ng (90Ah) BM10211
Sample transportation box (without bottles) BM900634
Replacement cooling battery BM60251
Transportation trolley BM900802
Figure 54 Charger IP20
Figure 55 Charger IP65
50
Page 51
Replacement parts and accessories
Figure 56 Transportation trolley (1029/2000)
51
Page 52
Replacement parts and accessories
52
Page 53
Section 7 Warranty and Liability
The manufacturer warrants that the product supplied is free of mater ial and manufacturing
defects and undertakes the obligation to repair or replace any defective parts at zero cost.
The warranty period for instruments is 24 months. If a service contract is taken out within
6 months of purchase, the warranty period is extended to 60 months.
With the exclusion of further claims, the supplier is liable for defects including the lack of
assured properties as follows: All those parts that, within the warranty period calculated
from the day of the transfer of risk, can be demonstrated to have become unusable or that
can only be used with significant limitations due to a situation present prior to the transfer
of risk, in particular due to incorrect design, poor materials or inadequate finish will be
improved or replaced, at the supplier's discretion. The identification of such defects must
be reported to the supplier in writing without delay, but no later than 7 days after the
identification of the fault. If the customer fails to notify the supplier, the product is
considered approved despite the defect. Further liability for any direct or indirect damages
is not accepted.
If instrument-specific maintenance and servicing work defined by the supplier is to be
performed within the warranty period by the customer (maintenance) or by the supplier
(servicing) and these requirements are not carried out, claims for damages due to the
failure to comply with the requirements are rendered void.
Any further claims, in particular claims for consequential damages, cannot be made.
Consumables and damage caused by improper hand ling, unsafe assembly or by incorrect
use are excluded from this provision.
Process instruments of the manufacturer are of proven reliability in many applications and
are therefore often used in automatic control loops to provide the most economical
operation possible for the related process.
To avoid or limit consequential damage, it is therefore recommended to desig n the control
loop such that a malfunction in an instrument results in an automatic change over to the
backup control system, which is the most secure operating condition for the environment
and for the process.
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Warranty and Liability
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Section 8 Contact information
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Contact information
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