DEM900 - Camera VELLEMAN - Free user manual and instructions

Product type	Environmental multi-meter (sound, light, air speed, temperature, humidity)
Brand	Velleman
Model	DEM900
Dimensions	252 x 66 x 33 mm
Weight	575 g (with probes and battery)
Power supply	1 x 9V battery (6F22, included)
Main functions	Sound level measurement (35-130 dB), brightness (0-200 klux), air speed (0.5-30 m/s), temperature (-40 to 70°C), humidity (10-95% RH)
Display	Backlit 4-digit LCD
Special functions	Data hold, Max hold, auto power off, unit selection
Included accessories	9V battery, temperature/humidity probe, light sensor, anemometer probe, carrying case, colored box
Maintenance	Clean with a non-linting damp cloth; avoid alcohol and solvents; never immerse
Safety	Keep out of reach of children; protect from moisture, shocks and extreme temperatures; no user-serviceable parts
Spare parts and repairability	Order spare parts from dealer; no user repair
Warranty	24 months against manufacturing or material defects (conditions in manual)
General information	Brand Velleman; model DEM900; manual available in multiple languages; follow environmental regulations for disposal

Frequently Asked Questions - DEM900 VELLEMAN

How to replace the battery of the DEM900?

Turn off the device, open the battery compartment with a screwdriver, remove the old battery and insert a new 9V battery (6F22) respecting polarity, then close the compartment.

How to calibrate the sound level?

Select frequency weighting A, connect the microphone to a calibrator (not included), then adjust to 94 dB using the CALL potentiometer with the supplied calibration tool. It is recommended to calibrate once a year.

What measurement units are available for air speed?

The available units are: m/s, km/h, ft/min, knots and mph.

How to use the Data Hold function?

Briefly press the data hold button (DATA HOLD) to freeze the displayed value; press again to unfreeze the display.

What is the temperature measurement range?

The measurement range is -40°C to +70°C (-40°F to +158°F) with an accuracy of ±2°C.

How to measure brightness with the DEM900?

Connect the light probe to the meter, select the brightness function with the function selection button, then choose the unit (lux or Fc) with the unit selection button. The value is displayed.

What to do if the device does not turn on?

Check that the battery is correctly installed and not discharged. Replace if necessary. If the problem persists, contact your dealer.

How to maintain the DEM900?

Clean the device regularly with a non-linting damp cloth. Do not use alcohol or solvents. Never immerse it in liquid. Store it in a dry place away from vibrations.

What accessories are included in the box?

The box contains: the DEM900 device, a 9V battery, a temperature/humidity probe, a light sensor, an anemometer probe, a carrying case and the colored box.

How to select the temperature unit?

Press the °C/°F selection button to switch between degrees Celsius and degrees Fahrenheit.

USER MANUAL DEM900 VELLEMAN

5-IN-1 MULTIFUNCTIONAL ENVIRONMENT METER
MULTIFUNCTIONELE 5-IN-1 OMGEVINGSMETER
MESUREUR D'ENVIRONNEMENT MULTIFONCTIONNEL 5 EN 1
MEDIDOR MULTIFUNCIón - 5 EN 1
MULTIFUNKTIONS-MESSGERÄT - 5-IN-1
WIELOFUNKCYJNY MIERNIK WARUNKÓW ŚRODOWISKOWYCH
MEDIDOR DO AMBIENTE MULTIFUNÇÖES 5-EM-1

USER MANUAL 3
GEBRUIKERSHANDLEIDING 8
MODE D'EMPLOI
MANUAL DEL USUARIO 18
BEDIENUNGSCANLEITUNG 23
INSTRUKCJA OBSLUGI 29
MANUAL DO UTILIZADOR 35

13

CE

USER MANUAL

1. Introduction

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

display: lux, °C, °F, % RH, dB-A, dB-C, dB-low and dB-high, m/s, km/h, ft/min, knots, mph
large 4-digit backlit LCD display
data hold and maximum hold
- auto power-off and low-battery indication
- comes with: 9V-battery, temperature and humidity probe, photo detector, anemometer probe, carry case and coloured box

5. Overview

Refer to the illustrations on page 2 of this manual.

1	windowscreen
2	microphone
3	LCD display
4	temp./humidity button
5	backlight
6	data-hold button
7	unit selection button
8	power switch
9	function selection button

10	MIN/MAX button
11	°C/°F selection button
12	sound level calibration
13	probe socket
14	sensor socket
15	external power supply
16	tripod socket
17	battery compartment
18	screw

Display

1	temp/humidity reading
2	battery level
3	temperature unit
4	humidity icon
5	air velocity unit
6	reading

7	sound level unit
8	light unit
9	MIN/MAX value
10	data hold
11	power off timer

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

7.1 Basic Operation

1. Press the power button to switch on the meter.
2. Press the backlight button to switch the backlight on or off.
3. Briefly press the data-hold button to freeze the reading on the display. Press again to unfreeze.
4. Press the MIN/MAX button to display the recorded maximum value, press again to display the recorded minimum value, press again to exit the function.
5. Hold the power button pressed for 3 seconds to switch off the meter.

7.2 Measuring the Sound Level

1. Press the function selection button until the sound level unit appears on the LCD display.
2. Aim the microphone to the sound source at a distance of 1 to 1.5m . The sound level appears on the display.

7.3 Measuring the Light Level

1. Connect the light probe to the meter.
2. Press the function selection button until the light level unit appears on the LCD display.
3. Press the unit selection button to select the light unit.
4. The light level appears on the display.

7.4 Measuring the Air Velocity

1. Connect the wind probe to the meter.
2. Press the function selection button until the air velocity unit appears on the LCD display.
3. Press the unit selection button to select the air velocity unit.
4. The air velocity appears on the display.

7.5 Measuring the Temperature

1. Connect the temperature/humidity probe to the meter.
2. Press the temp/humidity selection button until the temperature unit appears on the LCD display.
3. Press the ^ C / F selection button to select the temperature unit.
4. The value appears on the LCD display.

7.6 Measuring the Humidity Level

1. Connect the temperature/humidity probe to the meter.
2. Press the temp/humidity selection button until the humidity level unit appears on the LCD display.
3. The value appears on the LCD display.

7.7 Calibration

1. Select the A-weighing frequency.
2. Carefully insert the microphone into the calibrator (not included).
3. Calibrate the microphone to 94 dB through the CALL potentiometer. To do so, use the included calibration tool.

Remarks:

It is advised to calibrate the meter once a year.
Velleman nv does not provide any calibration certificate.

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

sound level
measurement range	35 dB ~ 130 dB
accuracy	± 2.0 dB
resolution	0.1 dB
frequency response	31.5 Hz ~ 8 kHz
frequency weighting	dBA
light
measuring range	0 lux ~ 200 klux, 0 Fc ~ 20 kFc
accuracy	± 4 % rdg ± 0.5 % f.s.(< 10,000 lux)
air velocity
air velocity range	0.5 m/s ~ 30.0 m/s
air velocity accuracy	± 3 % ± 0.3 d
measurement units	m/s, km/h, ft/min, knots, mph
temperature
measurement range	-40° C ~ 70° C (-40° F ~158° F)
accuracy	±2.0° C ± 3.6° F
measurement units	°C/°F

DEM900

humidity
measurement range		10 ~ 95 % RH
accuracy		± 5 % RH
power supply		1x 9 V battery 6F22 (incl.)
dimensions		252 x 66 x 33 mm
weight		575 g (with probes and 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