PCE Americas Inc.
711 Commerce Way
Suite 8
Jupiter
FL-33458
USA
From outside US: +1
Tel: (561) 320-9162
Fax: (561) 320-9176
info@pce-americas.com
www.pce-instruments.com/english
www.pce-instruments.com
PCE Instruments UK Ltd.
Units 12/13
Southpoint Business Park
Ensign way
Hampshire / Southampton
United Kingdom, SO31 4RF
From outside UK: +44
Tel: (0) 2380 98703 0
Fax: (0) 2380 98703 9
info@industrial-needs.com
Lux Meter
ML-5052C / ML-5052B
Perspective view of ML 5032C/B USB
Back of display unit:
- serial number of display unit
- calibration seal for DAkkS- or
factory certificate (if available)
- battery door
Back of photometer head:
- serial number of display unit
- tripod socket ¼ “
Display
Key pad
Lightcollector
Photometerhead
Circular
orifice
USB-Port
2
Thank you for buying the precise MAVOLUX 5032C/B USB from GOSSEN. Your new luxmeter
guarantees the reliably measure for illuminance of daylight and artificial sources of light including
LED. Even in the case of very bright sunlight or illumination from headlights, no accessories are
required.
Maximum reliability – Classified measurement of illuminance in lx or fc in accordance with
class B or class C per DIN 5032-7, appendix B of IEC 13032-1 and CIE 69.
Precise Measured Values – Accuracy amounts to + 3% + 1 digit of the display value.
Broad measuring range – High initial sensitivity and a resolution of 0.01 lx or 0.001 fc for
the ML 5032B USB and of 0.1 lx or 0.01 fc for the ML 5032C USB, right on
up to large illuminance values of 199,900 lx or 19,990 fc.
Calibration Capability – As an option, the accredited Light Lab can issue a
factory or a DAkkS calibration certificate for measuring equipment monitoring in accordance
with DIN EN ISO 9001.
V(λ) matching – The spectral sensitivity of the silicon photodiode is color corrected and
corresponds to the spectral brightness sensitivity of the human eye V(λ). The quality of this
adaptation represents a significant difference between the class B and class C variants.
Cosine correction – The luminosity of a flat measuring surface is proportional to the
cosine of the incident angle of light. This relationship is taken into consideration by the
receiver during evaluation.
Non-volatile memory – 100 measured values can be saved, retrieved or transmitted to a
PC via the integrated USB port.
Computer-aided measurement - The USB interface with open protocol documentation
allows the integration in own test systems or the communication with the GLUX 2 software.
Convenient everyday use – Simple operation, easy to read display, compact design.
This icon identifies important warnings which should be read in any case before the initial start-
Please ensure that you are familiar with the operation of your measuring device and do some test measurements to
ensure the proper function of the device. If you are using it for quality inspections or for expertise please check if the
instrument is calibrated and it is within the defined calibration interval. We assumes no liability for
consequential damages.
Safety Precautions
Please read these safety precautions carefully before using your measuring device. This will help you to
avoid damaging the product and prevent personal injury.
up of your product.
5
Warnings
In the event of malfunction, switch off the measuring device immediately.
If the event that smoke develops or unusual odors become apparent, which are caused by either the
measuring device, remove the battery from the meter in order to prevent possible fire. Continuing to
operate the measuring device after such malfunctions have occurred may result in severe injury.
or send the meter in for repairs, make sure that the battery has been removed first.
Never use the measuring device in proximity to flammable gases.
Electronic devices must not be used near flammable gases. Otherwise there would be danger of
explosion and fire.
Never hang the device and/or the carrying strap around the head or neck of a child.
Danger of strangulation exists if the carrying strap is hung around the head or neck of a child.
Store the measuring device at a location which cannot be accessed by children.
The measuring device and its accessories include parts which can be swallowed. Make sure that
these parts (e.g. housing covers, battery etc.) do not fall into the hands of children who might swallow
them. Otherwise, danger of suffocation prevails.
Do not dismantle the measuring device.
Never touch any parts located inside of the housing - injury may result. Never attempt to repair the
meter yourself or try to open the device. Repairs may only be made by qualified personnel. If the
device’s housing is damaged due to dropping or other external influences, remove the rechargeable
Avoid any and all contact with liquid crystals.
If the display is damaged (e.g. broken), danger of injury due to contact with glass shards or discharge
of liquid crystals exists. Make sure that skin, eyes and mouth do not come into contact with the liquid
crystals.
Please contact your local dealer or Service in order to eliminate malfunctioning. If you bring
battery or power supply and contact your local dealer or Service for repair.
6
Handle batteries with care.
Rechargeable and normal batteries may leak or explode if handled incorrectly.
Please adhere to the following safety precautions:
Make sure that the measuring device is switched off before removing or inserting batteries. Only use the
batteries which are recommended for this meter.
Make sure that the battery is inserted correctly.
Never short-circuit batteries, and never attempt to open a rechargeable or a normal battery.
Do not expose the batteries to excessive heat or open flames.
Do not expose the batteries to moisture; never immerse batteries in water.
If the meter is not used regularly, remove the battery and close the battery compartment cover
Never store batteries together with metallic objects which might cause short-circuiting.
Danger of leakage exists, especially in the case of empty batteries. In order to prevent damage to the
measuring device, batteries should be removed when fully depleted or in case of lengthy periods of non-use.
When not in use, batteries should be stored in a cool place.
Batteries heat up during use and may become hot. Be careful not to burn yourself when removing batteries.
Switch the measuring device off or wait until it has shut itself down, and then wait a bit longer until the battery
has cooled down.
Do not use batteries which show any signs of damage such as discoloration or deformation of the housing.
7
Notes
Reproduction of product documentation or duplication of any excerpts from the same requires the express
consent. This also applies to duplication in any electronic format and translation into other languages.
Documentation is subject to change without notice.
We assumes no liability for damages resulting from incorrect use of the product.
Documentation for your measuring device was prepared with the greatest of care. If you should
nevertheless discover errors, or if you would like to suggest any improvements, we would be very
pleased to hear from you.
Icon for separate collection of recyclable materials / hazardous waste imeasuring devicen European
countries
The following must be observed by users in European countries:
This product may only be disposed of separately at a designated collection point. It may not be disposed
of with household trash. For further information contact your local dealer or waste disposal authorities.
This icon indicates that this product must be disposed of separately.
8
1 Display and Operating Elements
backlight in HOLD function
1.1 Display 1.2 Key Pad
1 Display of measuring value and Memory 1 Switch On/Off
2 Measuring Unit 2 Range key – Memory/Measuring range
3 Display „HOLD„ indication / Buffer Storage 3 lx/fc – Select measuring unit
4 Multiplying factor for measuring value 4 HOLD – Function / Buffer Storage
5 Auto ranging – automatic range selection 5 Range key – Memory/Measuring range
6 Low Battery 6 MEM – Memory key
* ML 5032 B USB with automatic
9
2 Functioning of MAVOLUX
2.1 Preparation
First remove the snap-on cover of the battery compartment at the back of the meter. Insert the battery
included in the delivery contents (1.5 V size AA, IEC LR6) in the battery compartment.
Care should be taken to place the battery correctly according
to the polarity indications “+“ and “-“ in the battery compartment.
When the battery warning symbol ( ) appears in the display,
the battery must be replaced.
The values in the measuring data memory and also the preset
individual values will be maintained, even when the battery is changed.
2.2 Automatic Switch-Off – Continuous Operation
If for approx. 4 minutes none of the keys of the MAVOLUX is pressed down, the instrument will be
turned off automatically. When the instrument is switched off, the values stored in the measuring data
memory and also the preset individual values will be maintained.
You can override the automatic switch-off, when you switch on the instrument and simultaneously keep
the Hold key pressed down. The measuring unit „lx / fc“ in the display will blink and indicate that the
Continuous Operation Mode is on.
10
3 MAVOLUX Operation
3.1 Switch On – Make Measurement
Press down the on/off key and the MAVOLUX will start up in measuring mode and will immediately be
measuring at 2 times per second. The instrument is in the function „AUTO“, i.e. the MAVOLUX will
select the best suited measuring range for the existing light level. By pressing the Auto or Range key,
one of the measuring ranges can be set. Scrolling up or down through additional measuring ranges is
accomplished by briefly pressing the Auto or Range key. If both keys are pressed simultaneously, the
instrument is returned to „AUTO RANGING“.
3.2 Selecting the Measurement Unit lx or fc – cd/m² or fL
Use the key lx/fc to select the required unit for the read-out – lux or footcandle. With the optional
Luminance Attachment (chapter 5.2), this key also selects the measurement unit for luminance cd/m²
or fL – candela per square meter or footlambert.
1 lx = 0.0929 fc 1 fc = 10.76 lx
1 cd/m² = 0.2919 fL 1 fL = 3.426 cd/m²
3.3 Overload and Zero Point Indication
When exceeding one of the measuring ranges „OL“ (Overload)
appears in the display.
The zero point indication may be achieved by putting the protective
cap over the light collector of the photometer head.
11
3.4 Memory Functions
Hold
In addition to the display buffer storage, the MAVOLUX has also been provided with a memory space
for up to 100 measured values.
This function allows the user to make several measurements in the field and then to view them later.
The data stored in the memory will be maintained, even if the meter is turned off or if the battery is
changed.
3.4.1 HOLD - Display Hold Function
The MAVOLUX has been equipped with a Display HOLD Function in order to enable you to make
measurements in very low light conditions and to read them out later in brighter light conditions.
The latest measurement will be buffer-stored in the display by striking the Hold key. Then “HOLD”
will appear in the display. Pressing down the Hold key again will prompt the MAVOLUX to return to the
measuring function.
The function HOLD is the basic function for all the memory functions.
12
3.4.2 Mem – Save Measured Values
Hold
Mem
The measurement measured value which is to be saved will
be maintained by the Hold key in the display and may be filed
onto the next free memory space by pressing down key Mem.
Then,
for a few seconds, the display shows the saved measured
value alternating with the number of the memory space.
After that, the MAVOLUX returns into the measuring mode. If
the memory space is filled with all 100 memory spaces, then
the display will show “FLL”.
13
3.4.3 Mem-Edit – Overwrite a Saved Measured Value
Hold
Mem
14
The MAVOLUX offers the function „Mem Edit“ for correcting a
stored value in the memory. Measure again, press the Hold
key and the new value is logged in. Then, by pressing one of
the range keys, you can scroll through the memory.
At the memory space to be
corrected press down the key
Mem. Then the display shows
the saved value for a few
seconds alternating with the
number of the memory space.
Subsequently the MAVOLUX
will return to measuring mode.
3.4.4 Mem Recall – Data Memory Recall
Mem
Start in the function „Measuring“ and press down the key
Mem. The last memory space filled will be displayed first.
Strike one of the Range keys to scroll through the data
memory. The current memory space is displayed as 01-02...,
alternating with the measured value saved in the memory.
To return to the measuring
mode just press down any one
of the other keys or if for about
ten seconds no further memory
data is recalled by the Range
keys, the MAVOLUX will return
to the measuring mode.
15
3.4.5 Mem-Clear – Clear Memory
The MAVOLUX must be in function „HOLD“.
Pressing down the Auto and Range keys simultaneously, will clear the complete measuring data
memory. The cancelling is confirmed in the display by three dashes.
4 USB Port – GLUX 2 Software
The MAVOLUX is equipped with a USB Port which allows the meter to be connected to a PC by the
USB cable (in the delivery contents). The free of charge software package contains the standard
software GLUX 2 for reading the MAVOLUX memory as well as controlling the device.
The data-logging function allows automatic measurements from 2 times per second up to 1 time per day.
All values can be presented as a chart or as graphics and be transferred to customer specific calculations.
Included in the package is also a Software Development Kit that allows the integration of MAVOLUX
into an own software application. The software protocol is described and sample programs are
supplied to check the connection.
16
5 Accessories
- Instrument with protectice sensor cover cap
- Aluminum case
- Battery 1,5 V mignon, type AA
- Instructions DE/GB
- USB cable
- Instructions FR/ES, IT on website
- Software package for download on website
- Calibration protocol
5.1 Delivery Contents
5.2 Optional Accessories
5.2.1 Luminance Attachment (M516G)
The luminance attachment with a measurement angle
1/
of approx. 15 ° allows
10
the use of the ML 5032 B / C USB as unclassified luminance meter. The
meter automatically detects that the luminance attachment is screwed on and
displays the luminance in cd/m² or fL.
Please note: The luminance attachment is matched to the diffuser with 10mm
and has a yellow printing inside. Previous luminance attachments are matched to
20mm , have a white printing inside and can’t be used for correct measurements.
5.2.2 Adapter Disc (M499G)
The adapter disc is plugged onto the luminance attachment and prevents the
lateral incidence of light in all attachments to luminous surfaces or monitors.
Also the large velour coated surface protects against scratching or damage.
17
7 Specifications
Light Sensor Silicon photo diode with V () filter
Classification ML 5032 USB – Class C according to DIN 5032, Part 7 (CIE 69)
ML 5032 USB – Class B according to DIN 5032, Part 7 (CIE 69)
Accuracy + 3 % + 1 digit of reading
Measuring Rate 2 measurements per second
Digital Display
LCD display 50 mm x 25 mm, (MAVOLUX 5032 B USB: back lighted display)
Reading 7 segments, 31/2 digits, 13 mm
Overload signal „OL“ in the display
Memory 100 memory space (measured values), display indication „FLL“ = memory full
Interface USB 1.1 Port
Power Supply
Battery 1.5 V AA alkaline manganese cell Size AA (IEC LR 6) or
suitable rechargeable battery
Battery life approx. 45 hour continuous operation with alkaline manganese battery
Battery test Automatic display of „ „ symbol, when battery voltage drops below 1.0 Volt
External Power can be supplied via USB interface for continuous operation
18
Weights and Dimensions
Housing Plastics
Dimensions Display Unit: 65 x 120 x 19 mm
2.56 x 4.73 x 0.75“ (without carrying case)
Photometer Head: 31 x 105 x 30 mm
1.22 x 4.13 x 1.18”
tripod socket ¼ “ on bottom side
Light sensor Light sensitive surface of the diffuser: approx. 10 mm with circular orifice.
Location of the reference plane is on the surface of the light collector.
Cable length Approx. 1.5 m. Available on special order available 3 m, 5 m and 10 m.
Weight Display unit and photometer head approx. 200 g without battery
Environment
Operating 0 °C to 50 °C
temperature 32 °F to 122 °F
Accuracy of Luminance Measurement with Luminance Attachment
ML 5032 B/C USB with assigned luminance attachment
ML 5032 B/C USB with not assigned luminance attachment 2) + 8.0 % + 1 Digit
1)
If the luminance attachment is ordered together with an illuminance meter and is assigned
permanently to this device, than the accuracy of this specific combination can be adjusted.
2)
If the luminance attachment is ordered separately and is not assigned to a specific illuminance
1)
+ 4.5 % + 1 Digit
meter, than it can be used in any combination.
19
Characteristics ML 5032 B USB
Measuring Quantity
Measuring Range
Measuring Range
Resolution
Resolution
in Lux (lx)
in footcandle (fc)
in lx
in fc
Illuminance I 0.01... 19.99
0.001... 1.999
0.01
0.001
II
0.1... 199.9
0.01... 19.99
0.1
0.01
III
1... 1 999
0.1... 199.9
1
0.1
IV
10... 19 990
1... 1 999
10
1
V 100... 199 900
10... 19 990
100
10
in Candela/m² (cd/m²)
in footlambert (fL)
in cd/m²
in fL
Luminance I 0.1... 199.9
0.01... 19.99
0.1
0.01
with luminance
II
1... 1 999
0.1... 199.9
1
0.1
attachment
III
10... 19 990
1... 1 999
10
1
for cd/m² or fL
IV
100... 199 900
10... 19 990
100
10
V
1000... 1 999 000
100... 199 900
1000
100
Characteristics
Admissible Error according to
DIN 5032 Class B
Typical Error
MAVOLUX 5032 B USB
V()-Adaptation (f
1
)
6%
3.0%
True Cosine Evaluation (f
2
)
3%
2.0%
Linearity (f
3
)
2%
1.0%
Adjustment Error (f
11
)
1%
0.8%
Overall Error (f
ges
)
10%
~ 8.0%
Most Important Error Limits ML 5032 B USB
20
V()-Adaptation (f
f1´ < 3 %
21
) ML 5032B USB
1´
Characteristics ML 5032 C USB
Measuring Quantity
Measuring Range
Measuring Range
Resolution
Resolution
in Lux (lx)
in footcandle (fc)
in lx
in fc
Illuminance I 0.1... 199.9
0.01... 19.99
0.1
0.01
II
1... 1 999
0.1... 199.9
1
0.1
III
10... 19 990
1... 1 999
10
1
IV
100... 199 900
10... 19 990
100
10
in Candela/m² (cd/m²)
in footlambert (fL)
in cd/m²
in fL
Luminance I 1... 1 999
0.1... 199.9
1
0.1
with luminance
II
10... 19 990
1... 1 999
10
1
attachment
III
100... 199 900
10... 19 990
100
10
for cd/m² or fL
IV
1000... 1 999 000
100... 199 900
1000
100
Characteristics
Admissible Error according to
DIN 5032 Klasse C
Typical Error
MAVOLUX 5032 C USB
V()-Adaptation (f
1
)
9%
7.5%
True Cosine Evaluation (f
2
)
6%
2.0%
Linearity (f
3
)
5%
1.5%
Adjustment Error (f
11
)
2%
1.0%
Overall Error (f
ges
)
20%
~ 15.0%
Most Important Error Limits ML 5032 C USB
22
V()-Adaptation (f
f1´ < 7,5 %
) ML 5032C USB
1´
23
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