VELLEMAN DEM104 - Thermometer

DEM104 - Thermometer VELLEMAN - Free user manual and instructions

Find the device manual for free DEM104 VELLEMAN in PDF.

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Product type Infrared thermometer
Brand Velleman
Model DEM104
Power supply 2 LR44 batteries (1.5 V)
Dimensions 88 x 19 x 23.5 mm
Weight (with batteries) Approx. 20 g
Measurement range -50 °C to 260 °C (-58 °F to 500 °F)
Accuracy ± 2 % ± 2 °C / 4 °F
Resolution 0.1 °C / 0.1 °F
Distance to spot ratio (D:S) 1:1
Emissivity 0.95 (fixed)
Response time < 500 ms
Auto power off After 15 seconds of inactivity
Display LCD digital, switchable °C/°F
Hold function Holds measurement after releasing button
Operating temperature 0 °C to 50 °C (32 °F to 122 °F)
Storage temperature -20 °C to 60 °C (-4 °F to 140 °F)
Cleaning Lint-free damp cloth, no alcohol or solvents, do not immerse
Safety Keep out of reach of children, protect from moisture and shocks
Spare parts / repairability No user-serviceable parts; LR44 batteries and clip available
Warranty 24 months for consumer products (Velleman conditions)

Frequently Asked Questions - DEM104 VELLEMAN

How to change the battery of the DEM104 thermometer?
Turn off the device, open the battery compartment with a screwdriver, remove the clip, replace the old batteries with two new LR44 (1.5 V) batteries respecting polarity (negative pole outward), then close the compartment.
How to switch the display between °C and °F?
Open the battery compartment, briefly press the °C/°F button to change the unit, then close the cover.
What does the hold function mean?
During measurement, keep the power button pressed. Release it to freeze the display of the measured temperature, allowing you to read the value after removing the device from the target.
How to clean and maintain the thermometer?
Clean the device regularly with a lint-free damp cloth. Never use alcohol or solvents, and never immerse the device in liquid. Store it in a dry place away from vibrations. Remove the batteries if you do not use it for a long time.
Can you measure the temperature of shiny or glass surfaces?
No, the infrared thermometer cannot correctly measure the temperature of shiny or polished metal surfaces, nor through transparent surfaces like glass, nor on objects covered with frost, dirt, or oil.
After how long does the device turn off automatically?
The thermometer turns off automatically after 15 seconds of inactivity.
What is the accuracy of the DEM104 thermometer?
The accuracy is ± 2 % of reading ± 2 °C (or ± 4 °F). The resolution is 0.1 °C / 0.1 °F.
What is the temperature measurement range?
The thermometer can measure from -50 °C to 260 °C (i.e., -58 °F to 500 °F).
Is the thermometer suitable for children?
No, keep the device out of reach of children and unauthorized persons. It contains batteries and small parts posing a risk of ingestion.
How to dispose of the thermometer at the end of its life?
Do not dispose of the device or batteries with household waste. According to regulations, return it to a recycling center or to your supplier for proper recycling. Remove the batteries and dispose of them separately.

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Download the instructions for your Thermometer in PDF format for free! Find your manual DEM104 - VELLEMAN and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. DEM104 by VELLEMAN.

USER MANUAL DEM104 VELLEMAN

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Product information

Brand : VELLEMAN

Model : DEM104

Category : Thermometer