DEM800 - Thermometer VELLEMAN - Free user manual and instructions

Product type	Electronic moisture meter for materials (wood, plaster, concrete, etc.)
Brand	Velleman
Model	DEM800
Dimensions	154 x 68 x 26 mm
Weight	142 g
Power supply	1 9 V battery type 6F22 (included)
Measurement principle	Electrical resistance
Humidity measurement range	5% to 90%
Accuracy	5-40%: ±1%; 40-70%: ±2%; 70-90%: ±4%
Resolution	±1%
Display	Digital LCD
Electrode	13 mm
Main functions	Moisture measurement, display hold (Hold)
Operating temperature	0°C to 40°C
Relative ambient humidity	0% to 70%
Maintenance and cleaning	Clean with a damp non-linting cloth; do not use alcohol or solvents; never immerse
Safety	Keep out of reach of children; protect from rain, moisture and shocks
Spare parts and repairability	No user-serviceable parts; order parts from the dealer
General information	24-month warranty for consumers (EU); intended use: moisture measurement of wood, plaster, concrete, etc.

Frequently Asked Questions - DEM800 VELLEMAN

How to measure the moisture of a material with the DEM800?

Turn on the device using the power button. Insert the measuring probes about 5 mm into the material. The moisture value is displayed instantly on the LCD screen.

What does the 'Hold' symbol on the display mean?

The display hold function allows freezing the measured value on the screen. Press the corresponding button briefly to hold, and press again to release.

How to replace the battery of the DEM800?

Turn off the device. Open the battery compartment with an appropriate screwdriver. Replace the used battery with a 9 V type 6F22 battery, respecting polarity. Close the compartment.

What is the moisture measurement range?

The measurement range is from 5% to 90% relative humidity. Accuracy varies by range: ±1% from 5 to 40%, ±2% from 40 to 70%, ±4% from 70 to 90%.

What to do if the display stays frozen?

Check if the display hold function is activated. If so, press the 'Hold' button again to release the screen. If the problem persists, remove the battery and reinsert it after a few seconds.

Can I measure soil moisture with this device?

The DEM800 is designed to measure moisture of wood, plaster, concrete, mortar, cardboard and paper. It is not recommended for soil or other unlisted materials, as results may be inaccurate.

How to clean the thermometer?

Use a damp non-linting cloth to clean the device. Avoid alcohol and solvents. Never immerse the device in liquid.

What to do if the probes are damaged?

The probes are not user-serviceable. Contact your dealer for spare parts or repair.

Is the device waterproof?

No, the DEM800 is not waterproof. It must be protected from rain, moisture and water splashes. Store it in a dry place.

Which battery to use and how to recycle it?

Use a 9 V alkaline battery type 6F22. Do not dispose of used batteries in household waste; follow local regulations for recycling. Keep batteries out of reach of children.

USER MANUAL DEM800 VELLEMAN

DIGITAL MOISTURE TESTER

VOCHTMETER

HUMIDIMÈTRE

MEDIDOR DE HUMEDAD

FEUCHTIGKEITSTESTER

WILGOTNOŚCIOMIERZ

MEDIDOR DE HUMIDADE

H 20% velenar® H O DEM800 MOISTURE TESTER

USER MANUAL 3

GEBRUIKERSHANDLEIDING 6

MODE D'EMPLOI 9

MANUAL DEL USUARIO 12

To all residents of the European Union

Important environmental information about this product

This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized company for recycling. This device should be returned to your distributor or to a local recycling service. Respect the local environmental rules.

If in doubt, contact your local waste disposal authorities.

Thank you for choosing Velleman! Please read the manual thoroughly before bringing this device into service. If the device was damaged in transit, do not install or use it and contact your dealer.

2. Safety Instructions

	Keep this device away from children and unauthorized users.
	Keep this device away from rain, moisture, splashing and dripping liquids.
	Protect this device from shocks and abuse. Avoid brute force when operating the device.
	Protect the device against extreme heat and dust.
	There are no user-serviceable parts inside the device. Refer to an authorized dealer for service and/or spare parts.

3. General Guidelines

Refer to the Velleman® Service and Quality Warranty on the last pages of this manual.

• Familiarise yourself with the functions of the device before actually using it.
• All modifications of the device are forbidden.
• Only use the device for its intended purpose. Using the device in an unauthorised way will void the warranty.

4. Features

- for use in:

○ sawn timber
- cardboard, paper
- plaster, concrete and mortar

• average humidity value of European woods based on a temperature of 20^
• hold data freezes the displayed readings

5. Overview

Refer to the illustrations on page 2 of this manual.

1	protection cap
2	measurement probes
3	LCD display

4	reading/data-hold button
5	power switch
6	battery compartment

6. Battery

1. To replace the battery, make sure the device is switched off.
2. Open the battery compartment at the back using an appropriate screwdriver.
3. Take out the old battery and replace with a new and identical 9 V battery following the polarity markings inside the compartment.
4. Close the battery compartment.

Warning: Do not puncture batteries or throw them in fire as they may explode. Do not attempt to recharge non-rechargeable batteries (alkaline). Dispose of batteries in accordance with local regulations. Keep batteries away from children.

7. Operation

1. Press the on-off button to switch on the meter.
2. Push the measurement probes about 5 mm deep into the material to be measured. The display shows the measured value.
3. Briefly press the data-hold button to freeze the reading on the display. Press again to unfreeze.
4. Press the on-off button to switch off the meter. Place the protection cap over the measurement probes.

8. Cleaning and Maintenance

• Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents. DO NOT submerge the device in any liquid.
• Store the meter in a dry place away from humidity and vibrations.
• Remove the battery when the meter is to be stored for long periods of time.

9. Technical Specifications

display		digital LCD display
resolution		± 1 %
measuring principle		electrical resistance
electrode		13 mm
measuring range		5 % ~ 90 %
accuracy
	5 % ~ 40 %	± 1 %
	40 % ~ 70 %	± 2 %
	70 % ~ 90 %	± 4 %
power supply		1x 9 V battery 6F22 (incl.)
working temperature		0°C ~ 40°C
relative ambient humidity		0 % ~ 70 %
dimensions		154 x 68 x 26 mm
weight		142 g (incl. battery)

Use this device with original accessories only. Velleman nv cannot be held responsible in the event of damage or injury resulting from (incorrect) use of this device. For more info concerning this product and the latest version of this manual, please visit our website www.velleman.eu. The information in this manual is subject to change without prior notice.

© COPYRIGHT NOTICE

The copyright to this manual is owned by Velleman nv. All worldwide rights reserved. No part of this manual may be copied, reproduced, translated or reduced to any electronic medium or otherwise without the prior written consent of the copyright holder.

GEBRUIKERSHANDLEIDING

1. Inleiding

Velleman® Service and Quality Warranty

Since its foundation in 1972, Velleman® acquired extensive experience in the electronics world and currently distributes its products in over 85 countries.

All our products fulfil strict quality requirements and legal stipulations in the EU. In order to ensure the quality, our products regularly go through an extra quality check, both by an internal quality department and by specialized external organisations. If, all precautionary measures notwithstanding, problems should occur, please make appeal to our warranty (see guarantee conditions).

General Warranty Conditions Concerning Consumer Products (for EU):

• All consumer products are subject to a 24-month warranty on production flaws and defective material as from the original date of purchase.
• Velleman® can decide to replace an article with an equivalent article, or to refund the retail value totally or partially when the complaint is valid and a free repair or replacement of the article is impossible, or if the expenses are out of proportion.
  You will be delivered a replacing article or a refund at the value of 100% of the purchase price in case of a flaw occurred in the first year after the date of purchase and delivery, or a replacing article at 50% of the purchase price or a refund at the value of 50% of the retail value in case of a flaw occurred in the second year after the date of purchase and delivery.

- Not covered by warranty:

• all direct or indirect damage caused after delivery to the article (e.g. by oxidation, shocks, falls, dust, dirt, humidity...), and by the article, as well as its contents (e.g. data loss), compensation for loss of profits;
• consumable goods, parts or accessories that are subject to an aging process during normal use, such as batteries (rechargeable, non-rechargeable, built-in or replaceable), lamps, rubber parts, drive belts... (unlimited list);
• flaws resulting from fire, water damage, lightning, accident, natural disaster, etc....;
• flaws caused deliberately, negligently or resulting from improper handling, negligent maintenance, abusive use or use contrary to the manufacturer's instructions;
• damage caused by a commercial, professional or collective use of the article (the warranty validity will be reduced to six (6) months when the article is used professionally);
• damage resulting from an inappropriate packing and shipping of the article;
• all damage caused by modification, repair or alteration performed by a third party without written permission by Velleman®.
• Articles to be repaired must be delivered to your Velleman® dealer, solidly packed (preferably in the original packaging), and be completed with the original receipt of purchase and a clear flaw description.
• Hint: In order to save on cost and time, please reread the manual and check if the flaw is caused by obvious causes prior to presenting the article for repair. Note that returning a non-defective article can also involve handling costs.
• Repairs occurring after warranty expiration are subject to shipping costs.
• The above conditions are without prejudice to all commercial warranties.

The above enumeration is subject to modification according to the article (see article's manual).

NL