DOSTMANN LM37 Luxmeter User Manual
- June 10, 2024
- DOSTMANN
Table of Contents
LM37 Luxmeter
User Manualwww.dostmann-electronic.de
Parts
-
Light detecting surface
-
Light detecting surface
-
LCD display
-
Power button
-
CAL button :
Quick enter measuring mode During the measuring mode, press CAL button and the value of zero will be auto-displayed. -
The user may hold the present reading and keep it the LCD display by pressing the “HOLD” button. To release the held data operation by pressing it again.
The user can press the button when the value is hard to read, such as measuring in the dark place. -
Umschaltaste fc/lx / fc/lx selector button (fc = Lumen per Feet/fx Lumen per m²=Lux)
-
Range selector button :
This button is used to select automatic range and manual range. Manual range enables an arbitrarily four range to be set. If a fixed range is used, measuring values will response quickly. The user can read easily. The range configuration is as follows: Auto , 40 , 400 , 4000 , 40000 lx Auto , 4 , 40 , 400 , 4000 fc -
Battery cabinet cover
-
Indicate low battery voltage
-
Measuring readout
-
Indicate automatic range mode
-
Indicate meter in automatic power off mode This Light Meter provides an automatic power-off function in order to avoid using up the battery if you forget to turn off the power. The meter will power off itself after 30 minutes if no key is operated.
-
Indicate data hold
-
Unit of illuminance
-
Indicate range
-
Indicate range Note: 1fc=10.76lx
Kindly note/Safety Instructions
-
Read the following safety information carefully before attempting to operate or service the meter.
Use the meter only as specified in this manual; otherwise, the protection provided by the meter may be impaired. -
Environment Conditions: Altitude up to 2000 meters, Relative humidity 90% max., Operation Ambient 0 to 40°C
-
Check if contents of the package is undamaged complete.
-
For cleaning the instrument please do not use an abrasive cleaner only a dry piece of soft cloth. Do not allow any liquid into the interior of the device.
-
Please store the measuring instrument in a dry and clean place.
-
Avoid any force like shocks or pressure to the instrument.
-
No responsibility is taken for irregular or incomplete measuring values and the ir results, the liability for subsequent damages is excluded!
-
Do not use the device in explosive areas.
Danger of death! -
Keep these devices and the batteries out of reach of children.
-
Batteries contain harmful acids and may be hazardous if swallowed. If a battery is swallowed, this can lead to serious internal burns and death within two hours. If you suspect a battery could have been swallowed or otherwise caught in the body, seek medical help immediately.
-
Batteries must not be thrown into a fire, short-circuited, taken apart or recharged. Risk of explosion!
-
Low batteries should be changed as soon as possible to prevent damage caused by leaking.
Never use a combination of old and new batteries together, nor batteries of different types. -
Wear chemical-resistant protective gloves and safety glasses when handling leaking batteries. ·
General Description
To ensure that you can get the most from it, we recommend that you read and follow the manual carefully before use.
Operation
Press the power button to turn on the power. No- tice that covering the light-
detecting surface with the cap .
will auto-appear on the LCD display.
After appears, the meter enters the automatic zero adjustment. When automatic
zero adjustment is complet disappears and “0.00 ” aappears.
After confirming the “0.00 ” display, remove the cap to start measuring. After
the measurement has been completed, press the power button again to turn off
the power, and cover the light-detecting surface with the cap for protecting
against stray light.
Note:
If appears, check the cap to make sure it is on properly.
Press and hold the HOLD button, and then power on the meter, release all
button to disable the AUTO POWER OFF function.“ ”symbol will disappear on the
LCD display.
Specifications
Measuring ranges:
0.00 to 39.99/399.9/3999/39990 lx
0.000 to 3.999/39.99/399.9/3999 fc
automatic/manual selection of range
Resolution : 0.01 lx ~ 10 lx ; 0.001 fc ~ 1 fc
Temperature characteristics: ±0.1%/°C
Response time: 0.5 sec.
Light detector: Si Photodiode
Operation temp./humidity:
0°C ~ 40°C (32°F ~ 104°F) 0 ~ 80%RH
Storage temp./humidity:
-10°C ~ 50°C (14°F ~ 122°F) 0 ~ 70%RH
Over range: “—-“ display
Power supply : one 9V battery, 006P or IEC 6F22 or NEDA 1604
Power life: Approx. 170 hours (Alkaline battery)
Dimensions: 196(L) X 54(W) X 33(H) mm
7.7(L) X 2.1(W) X 1.3(H) inch
Weight: Approx. 180g
Characteristics of relative visible-spectrum response:
Wavelength(nm)
Replacement of battery
When the battery voltage drops below the operating voltage , a“ +- “
symbol will appear on the LCD display. In this case, replace a new battery
immediately.
Explanation of symbols
****This sign certifies that the product meets the requirements of the EEC
directive and has been tested accordingto the specified test methods.
Waste disposal
This product and its packaging have been manufactured using high-grade
materials and components which can be recycled and reused. This reduces waste
and protects the environment. Dispose of the packaging in an environmentally
friendly manner using the collection systems that have been set up.
Disposal of the electrical device
Remove non-permanently installed batteries and rechargeable batteries from the
device and dispose of them separately. This product is labelled in accordance
with the EU Waste Electrical and Electronic Equipment Directive (WEEE). This
product must not be disposed of in ordinary household waste. As a consumer,
you are required to take end-of-life devices to a designated collection point
for the disposal of electrical and electronic equipment, in order to ensure
environmentally-compatible disposal. The return service is free of charge.
Observe the current regulations in place!
Disposal of the batteries
Batteries and rechargeable batteries must never be disposed of with household
waste. They contain pollutants such as heavy metals, which can be harmful to
the environment and human health if disposed of improperly, and valuable raw
materials such as iron, zinc, manganese or nickel that can be recovered from
waste. As a consumer, you are legally obliged to hand in used batteries and
rechargeable batteries for environmentally friendly disposal at retailers or
appropriate collection points in accordance with national or local
regulations. The return service is free of charge. You can obtain addresses of
suitable collection points from your city council or local authority. The
names for the heavy metals contained are: Cd = cadmium, Hg = mercury, Pb =
lead. Reduce the generation of waste from batteries by using batteries with a
longer lifespan or suitable rechargeable batteries. Avoid littering the
environment and do not leave batteries or battery-containing electrical and
electronic devices lying around carelessly. The separate collection and
recycling of batteries and rechargeable batteries make an important
contribution to relieving the impact on the environment and avoiding health
risks.
WARNING! Damage to the environment and health through incorrect disposal of the batteries!
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>