Velleman DVM8855 User manual

DVM8855

HIGH TEMPERATURE INFRARED & K-TYPE THERMOCOUPLE THERMOMETER

THERMOMETER VOOR HOGE TEMPERATUREN - IR + THERMOKOPPEL TYPE K

THERMOMÈTRE POUR HAUTES TEMPÉRATURES - IR+ THERMOCOUPLE TYPE K

THERMOMETER FÜR HOHE TEMPERATUREN - INFRAROT + K-TYP-FÜHLER

TERMÓMETRO PARA ALTAS TEMPERATURAS - IR + TERMOPAR TIPO "K"

USER MANUAL 3

GEBRUIKERSHANDLEIDING 12

NOTICE D’EMPLOI 21

MANUAL DEL USUARIO 30

BEDIENUNGSANLEITUNG 39

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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. Damage

caused by disregard of certain guidelines in this manual is not covered by the warranty and the

dealer will not accept responsibility for any ensuing defects or problems.

2. Safety Instructions

When device is in use, NEVER look directly or indirectly (reflectance) into

the laser beam. NEVER point the laser beam directly or via a reflecting surface

towards other people’s or animals’ eyes. Permanent eye damage will result. Use

extreme caution when the laser beam is turned on.

Do not point the laser beam towards highly explosive gases.

Keep out of reach of all children.

Keep this device away from rain, moisture, splashing and dripping liquids.

CLASS II

Visible laser radiation. Do not stare into the beam as eye damage

may occur. This device contains a class 2 laser.

Output power does not exceed 1 mW, wavelength 630~670nm.

DO NOT disassemble or open the cover. No user-serviceable parts inside. 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.

• Protect this device from shocks and abuse. Avoid brute force when operating the device.

• Protect the device against extreme heat and dust.

• Familiarise yourself with the functions of the device before actually using it.

• All modifications of the device are forbidden for safety reasons.

• Only use the device for its intended purpose. Using the device in an unauthorised way will void the

warranty.

• Damage caused by disregard of certain guidelines in this manual is not covered by the warranty and

the dealer will not accept responsibility for any ensuing defects or problems.

• Note that damage caused by user modifications to the device is not covered by the warranty.

4. Features

• professional device, quick and easy to use

• wireless USB connection for data-logging on PC

• Infrared and K-type probe measurements

• very high temperature range

• very high distance to target ratio (30:1)

• built-in laser pointer

• temperature readout in °C or °F

• LCD display with backlight

• data-hold, auto power-off and lock-on function

• MIN, MAX, DIF, AVG, HAL, LAL and record functions

• 20 memory locations for memorising temperatures

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• 1mv/°F (1.8mV/°C) analogue output

• adjustable emissivity

• high and low alarm

• contents: manual, tripod, K-type thermocouple, wireless USB receiver, wireless USB transmitter,

software, power supply, connection lead for mV output, carrying case

5. Overview

Refer to the drawings on page 2 of this manual.

1 IR sensor 6 mode button

2 laser pointer beam 7 laser/backlight button

3 LCD display 8 measurement trigger

4 down button 9 grip

5 up button 10 battery cover

display F °C or °F indication

A scan indication G low battery indication

B hold indication H MAX, MIN, DIF, AVG, HAL, LAL, Tk and memory values

C auto emissivity I high and low alarm indication

D emissivity indication and value J indication for H

E lock and laser ON indication K current measurement value

inside battery compartment M lock on/off switch

L °C and °F switch N alarm set switch

6. Operation

• Hold the thermometer by the grip [9] and point the IR sensor [1] towards the surface of which the

temperature needs to be measured.

• Pull and hold the measurement trigger [8]. The LCD display [3] shows the current temperature

[K].

• During measurement, the word ‘SCAN’ [A] is visible in the LED display. When the measurement

stops (trigger [8] released), the word ‘HOLD’ [B] is shown. The last measured value will remain on

the display until the measurement trigger [8] is pulled again, or when the thermometer powers-off

automatically (after ± 7 seconds).

• Depending on the mode, the bottom of the screen shows the MAX, MIN, DIF, AVH, HAL, LAL Tk or

memory values. Use the mode button [6] to scroll through the modes of the device. The mode [J]

and corresponding value [H] are shown on the display.

EMS Emissivity

(*)

MAX Highest measured value

MIN Lowest measured value

DIF Difference between the highest and lowest measured value

AVG Average value of the temperature

HAL Higher alarm limit

LAL Lower alarm limit

Tk Temperature measured via thermocouple

LOG # Show memory location number # (max. 20) value

(*)

For more information on emissivity, refer to §8 Useful information.

• To set EMS, HAL or LAL, use the up [5] or down [4] button to adjust the value and press the mode

button [6] again to save the value and go to the next item. To cancel mode selection, pull the

measurement trigger [8]. Pushing the mode button [6] after setting the lower alarm limit will start

the set-up cycle again.

• Note that MAX, MIN, DIF and AVG only apply to the current measuring session (time between pulling

the trigger [8] and releasing it). Their value is reset when a new measurement starts or the

thermometer switches off.

• To switch between measurements in °C and °F, open the battery cover [10]. The battery cover has

a hinge at the bottom of the device. Hold the battery cover at the top (next to the measurement

trigger [8]) and gently pull away from the device.

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• The °C/°F switch [L] is located inside the battery compartment under the battery. Move this switch

to the desired setting. The current setting is indicated [F] in the display.

• Also under the battery, there is a lock switch [M]. Move this switch to the ON-position for

continuous measurement. The current setting is indicated with a lock symbol [E] in the display.

Start measuring by pulling the measurement trigger [8] once. Consider disabling the laser targeting

beam in continuous measuring mode to save battery power. To stop and disable lock mode, set the

switch [M] back to the OFF-position. In lock mode, it is still possible to adjust EMS, HAL and LAL

values.

• The third switch under the battery is the alarm set switch [N]. Move this switch to the ON-position

to enable alarm warnings when high or low alarm limits are exceeded. When enabled, a Hi- and LOW

indication [I] are shown on the display.

• Close the battery cover [10] by pushing it back towards the device until it snaps in place.

• When the measured value exceeds a preset alarm limit, an audible alarm signal will be produced

(when the alarm set switch [N] is set to ON), and the according alarm icon in the display [I] will

flash. Alarm will stop when temperature is back within preset limits.

• Push the laser/backlight button [7] to cycle through the laser and backlight options (not available in

memory mode (LOG # displayed). Note that the laser beam is only an aiming aid, be careful when

using it. Refer to the safety instructions.

Push result

1 backlight on

2 backlight on and laser enabled

3 backlight off and laser enabled

4 backlight off and laser disabled

• To measure temperatures using the thermocouple, first connect the thermocouple to the bottom of

the grip [9]. The connector is slotted and can be inserted only one way. Do not force. Use the mode

button [6] to go to Tk mode [J] and read the thermocouple temperature [H].

• The DVM8855 has 20 memory locations to store measurements. Use the mode button [6] to go to

LOG mode [J] and use the up [5] or down [4] button to scroll through the memory. To store a

measured value, go to the desired memory location and press the laser/backlight button [7].

Emissivity measurement

• To determine the emissivity of a surface, go to EMS mode using the mode button [6]. Connect the

thermocouple and attach it to the surface. Pull and hold the measurement trigger [8] (consider

placing the meter in lock mode [M]). Press and hold the laser/backlight button [7] until the EMS

indication [J] starts flashing and the thermocouple measured value is shown [H]. Point the IR

sensor [1] towards the surface, close to the location of the thermocouple. When Tk and IR

measurements are identical and stable, press the up [5] or down [4] button. The measured

emissivity [C] is indicated [D] and normal measurement can be resumed.

Notes on emissivity measurement:

• Allow at least 15min for the thermocouple to reach the surface temperature.

• The measuring surface should be higher in temperature than the environment, e.g. 100°C surface

temperature will provide a more accurate measurement of the emissivity.

• When the temperature measured with the thermocouple differs from the one measured with the IR

sensor, or measuring points differ, the obtained emissivity will be wrong, or ERR is displayed.

• To exit emissivity measurement at any time, press the mode button [6].

General remarks:

• The device powers off automatically (after ± 7 seconds) when no activity is detected, unless it is

in lock mode.

• The unit will not measure correctly through transparent surfaces (e.g. glass), as it will measure the

surface temperature of the transparent surface.

• Steam, dust, smoke etc. will have a negative impact on the measurements accuracy.

• Measurements on shiny and/or polished surfaces are not recommended.

• To use the tripod, first plug the DVM8855 in the transmitter stand. Place the connector pins at

the front of grip [9] first, then tilt down until the meter snaps in place. To remove, lift the back

up first. Screw the tripod into the bottom of the transmitter stand and extend the legs of the

tripod to set the preferred height. Position the head and use the screw on the side to secure it.

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7. Software installation and use

Driver installation

• Plug the USB connector of the receiver into a free powered USB port of a PC. The system should

recognize the new hardware automatically: CP2102 USB to UART Bridge Controller.

• The ‘Found New Hardware Wizard’ pops up:

• Select ‘I

nstall the software automatically (Recommended)’ option and click ‘Next >’.

• The ‘Completing the Found New Hardware Wizard’ window pops up. Click on ‘Finish’.

• Verify the driver installation in the Device manager. Go to ‘My computer’ – ‘System information’ –

tab ‘Hardware’ and click on ‘Device Manager’. Look for ‘CP2102 USB to UART Bridge Controller’

under section ‘Ports (COM & LPT)’. A COM-port was assigned to this bridge controller; it is

mentioned between brackets at the end of the line. Remember this number as it is needed to

configure the software. Double click (left) on the device name to see more details.

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• If the driver is not installed correctly, device manager shows a yellow exclamation mark in front of

the device name.

• Double click (left) on the device name and click on ‘Rei

nstall Driver…’ or go to the ‘Driver’-tab to

uninstall the driver. The driver can be found on the included CD-ROM (CP2101WIN under DT-

8855).

Software installation

• Insert the included CD-ROM into the CD-drive of the PC. Locate the file ‘DT8855.exe’ under the

‘DT-8855’ directory and double click (left) on it to start the installation.

• Click on ‘Next >’ and in the next screen, choose a destination folder for the software.

• In the following screen, click ‘Next >’.

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• An installation progress screen is shown, followed by the ‘DT8855 Installed Successfully’ screen.

Click ‘Finish’ to finalize the software installation.

Software description

• Locate the file ‘DT-8855.exe’ in the folder where the software was installed and double click (left)

on it. The application opens.

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a exit the application l max. measured temperature

b select com port m min. measured temperature

c print data n data window

d switch between online and offline o lower alarm limit

e save/load data p higher alarm limit

f clear graph q set lower range graph

g clear all data r set higher range graph

h current COM port s graph display setup

i status (OnLine = connected) t set sampling time

j data input (red = receiving) u current temperature

k current date and time v current emissivity setting

Using the wireless link

Note: connection can only be established when the thermometer is in scan mode. Consider placing

the meter in lock mode [M] for easy handling.

• Make sure the USB connector of the receiver is plugged into the PC. The red status LED on the

receiver lights up.

• Plug the DVM8855 in the transmitter stand. Place the connector pins at the front of grip [9] first,

than tilt down until the meter snaps in place. To remove, lift the back up first.

• Connect the DC connector of the included power adaptor into the transmitter stand and plug the

other end into the mains (100~240CAC, 50~60Hz).

• Start the DT-8855 software and set the correct com port [b], most likely this will be COM3 (verify

with ‘device manager’).

• Press the ‘ON’-button on the transmitter stand and press the online button [d]. When the

thermometer is in SCAN mode, the status LEDs of both transmitter and receiver start blinking in

sync, indicating there is communication. Data will be shown in the data window [n].

• Setup the software as desired. Set the sample time [t], this is the time the software waits

between 2 interrogations of the thermometer. Set the lower [o] and higher [p] time limits. These

are indicated by a horizontal line on the selected temperature. When the temperature crosses

these lines, the graph will turn red (see example below).

• The measured data can be saved and recalled [e]. The file format is .xls (Excel). Data which is

not saved prior to closing the application is lost.

• Note that the transmitter stand also has an analogue output which can be connected to a plotter

(not incl.) or similar device. Signal scale is 1mV/°F (±1.8mV/°C).

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8. Useful information

Working principle

The Infra Red sensor of the unit detects energy that is emitted, reflected and transmitted by a

surface. This energy is focussed onto a detector that converts this information into a temperature

reading. The laser beam is only used for aiming purposes.

Ambient temperature

The thermometer automatically compensates ambient temperature conditions. Allow the

thermometer to stabilise to ambient temperature for at least 30 minutes for accurate

measurements.

Surface temperature

When going from low temperature to high temperature measurements or vice versa, the IR sensor

of the thermometer needs a few minutes to adjust.

Distance and spot size

Refer to the drawing on page 2 of this manual.

As the distance (D) from the object increases, the spot size (S) of the area measured by the unit

becomes larger. The focal point for this unit is 914mm (36”). Note that the laser beam points 16mm

above the measurement centre point.

Field of view

The target must be larger than the spot size to ensure correct measurement. This means that for

smaller targets, the thermometer must be held closer to the target. For best accuracy, make sure

the target is at least twice as large as the spot size.

Emissivity

Emissivity describes the energy-emitting characteristics of materials. Most organic or oxidized

surfaces have an emissivity of ±0.95 (default setting). Measuring shiny or polished surfaces will be

inaccurate. Use some masking tape or paint to compensate, allow sufficient time for the tape or

paint to reach the surface temperature.

Substance Emissivity Substance Emissivity

Asphalt 0.90 to 0.98 Cloth (black) 0.98

Concrete 0.94 Human skin 0.98

Cement 0.96 Leather 0.95 to 1.00

Sand 0.90 Charcoal (powder) 0.96

Earth 0.92 to 0.96 Lacquer 0.80 to 0.95

Water 0.92 to 0.96 Lacquer (matt) 0.97

Ice 0.96 to 0.98 Rubber (black) 0.94

Snow 0.83 Plastic 0.85 to 0.95

Glass 0.90 to 0.95 Timber 0.90

Ceramic 0.90 to 0.94 Paper 0.70 to 0.94

Marble 0.94 Chromium oxides 0.81

Plaster 0.80 to 0.90 Copper oxides 0.78

Mortar 0.89 to 0.91 Iron oxides 0.78 to 0.82

Brick 0.93 to 0.96 Textiles 0.90

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9. Cleaning and storage

• The IR sensor [1] is the most delicate part of the thermometer and should be kept clean at all

times. To do this, only use a soft cloth or cotton bud. Do not use excessive pressure on the

sensor.

• Wipe the other parts of the thermometer regularly with a dry cloth. Do not use abrasive solutions or

solvents.

• Do not submerge the thermometer in water or any other liquid.

• There are no user-serviceable parts. Contact your dealer for spare parts if necessary.

• The device must be stored in a place with temperature conditions between -20°C and +60°C (-4°F

and +140°F) and relative humidity lower than 80%.

10. Battery

• When the battery indicator [G] indicates low battery, replace the battery with a new one.

• Open the battery cover [10]. The battery cover has a hinge at the bottom of the device. Hold the

battery cover at the top (next to the measurement trigger [8]) and gently pull away from the

device.

• If necessary switch the lock switch [L] to the OFF-position first.

• Connect a new 9V battery to the thermometer with the battery clip and insert the battery in the

battery compartment.

• Push the cover back towards the device until it snaps into place.

WARNING: malfunction may occur if the power is on when the battery is

replaced. Do not attempt to recharge non-rechargeable batteries, do not

puncture or do not throw batteries in fire as they might explode. Dispose of

batteries in accordance with local regulations.

Keep the battery away from children.

11. Technical specifications

measurement range

infrared -50°C ~+1050°C (-58°F ~ +1922°F)

K-type probe -50°C ~+1370°C (-58°F ~ +1999°F)

accuracy K-type probe

(T

amb

= 25°C)

T

obj

= -50°C ~ 1000°C ± 1.5% of rdg ± 3°C (5.4°F)

accuracy IR

(T

amb

= 25°C)

T

obj

= -20°C ~ 200°C

(-4°F ~ 392°F)

± 1.5% of rdg ± 2°C (3.6°F)

T

obj

= 200°C ~ 538°C

(392°F ~ 1000°F)

± 2.0% of rdg ± 2°C (3.6°F)

T

obj

= 538°C ~ 1050°C

(1000°F ~ 1922°F)

± 3.5% of rdg ± 5°C (9°F)

response time < 1 sec

emissivity range 0.1 ~ 1.0 adjustable

wireless USB link

frequency 433MHz

range 10m

wavelength 8µm - 14µm

distance-to-spot ratio D/S = 30:1

power supply 1x 9V E-block battery (6F22C, incl.)

dimensions 100 x 56 x 230mm

weight 290g

Use this device with original accessories only. Velleman nv cannot be held responsible in

the event of damage or injury resulted from (incorrect) use of this device.

For more info concerning this product, please visit our website www.velleman.eu.

The information in this manual is subject to change without prior notice.

The copyright to this manual is owned by Velleman Components nv. All worldwide rights reserved.

No part of this manual or the described software may be copied, reproduced, translated or reduced to any electronic medium

or otherwise without the prior written consent of the copyright holder.

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• Seleccione la opción « I

nstall the software automatically (Recommended) » y haga clic en

« N

ext > ».

• La ventana « Completing the Found New Hardware Wizard » aparece. Haga clic en « Finish ».

• Controle la instalación del driver en el Device Manager. Abra « My Computer » – « System

Properties » – pestaña « Hardware » y haga clic en « Device Manager ». Haga clic dos veces en

« CP2102 USB to UART Bridge Controller » bajo « Ports (COM & LPT) ». Necesita el puerto COM

entre comillas (COMx entre parenthèses) para configurar el software.

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Velleman® Service and Quality Warranty

Velleman® has over 35 years of experience in the electronics world

and distributes its products in more than 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;

- frequently replaced consumable goods, parts or accessories such as

batteries, 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).

Velleman® service- en kwaliteitsgarantie

Velleman® heeft ruim 35 jaar ervaring in de elektronicawereld en

verdeelt in meer dan 85 landen.

Al onze producten beantwoorden aan strikte kwaliteitseisen en aan de

wettelijke bepalingen geldig in de EU. Om de kwaliteit te waarborgen,

ondergaan onze producten op regelmatige tijdstippen een extra

kwaliteitscontrole, zowel door onze eigen kwaliteitsafdeling als door

externe gespecialiseerde organisaties. Mocht er ondanks deze

voorzorgen toch een probleem optreden, dan kunt u steeds een

beroep doen op onze waarborg (zie waarborgvoorwaarden).

Algemene waarborgvoorwaarden consumentengoederen (voor

Europese Unie):

• Op alle consumentengoederen geldt een garantieperiode van 24

maanden op productie- en materiaalfouten en dit vanaf de

oorspronkelijke aankoopdatum.

• Indien de klacht gegrond is en een gratis reparatie of vervanging

van een artikel onmogelijk is of indien de kosten hiervoor buiten

verhouding zijn, kan Velleman® beslissen het desbetreffende artikel

te vervangen door een gelijkwaardig artikel of de aankoopsom van

het artikel gedeeltelijk of volledig terug te betalen. In dat geval krijgt

u een vervangend product of terugbetaling ter waarde van 100% van

de aankoopsom bij ontdekking van een gebrek tot één jaar na

aankoop en levering, of een vervangend product tegen 50% van de

kostprijs of terugbetaling van 50 % bij ontdekking na één jaar tot 2

jaar.

• Valt niet onder waarborg:

- alle rechtstreekse of onrechtstreekse schade na de levering

veroorzaakt aan het toestel (bv. door oxidatie, schokken, val, stof,

vuil, vocht...), en door het toestel, alsook zijn inhoud (bv. verlies van

data), vergoeding voor eventuele winstderving.

- verbruiksgoederen, onderdelen of hulpstukken die regelmatig dienen

te worden vervangen, zoals bv. batterijen, lampen, rubberen

onderdelen, aandrijfriemen... (onbeperkte lijst).

- defecten ten gevolge van brand, waterschade, bliksem, ongevallen,

natuurrampen, enz.

- defecten veroorzaakt door opzet, nalatigheid of door een

onoordeelkundige behandeling, slecht onderhoud of abnormaal

gebruik of gebruik van het toestel strijdig met de voorschriften van de

fabrikant.

- schade ten gevolge van een commercieel, professioneel of collectief

gebruik van het apparaat (bij professioneel gebruik wordt de

garantieperiode herleid tot 6 maand).

- schade veroorzaakt door onvoldoende bescherming bij transport van

het apparaat.

- alle schade door wijzigingen, reparaties of modificaties uitgevoerd

door derden zonder toestemming van Velleman®.

• Toestellen dienen ter reparatie aangeboden te worden bij uw

Velleman®-verdeler. Het toestel dient vergezeld te zijn van het

oorspronkelijke aankoopbewijs. Zorg voor een degelijke verpakking

(bij voorkeur de originele verpakking) en voeg een duidelijke

foutomschrijving bij.

• Tip: alvorens het toestel voor reparatie aan te bieden, kijk nog eens

na of er geen voor de hand liggende reden is waarom het toestel niet

naar behoren werkt (zie handleiding). Op deze wijze kunt u kosten en

tijd besparen. Denk eraan dat er ook voor niet-defecte toestellen een

kost voor controle aangerekend kan worden.

• Bij reparaties buiten de waarborgperiode zullen transportkosten

aangerekend worden.

• Elke commerciële garantie laat deze rechten onverminderd.

Bovenstaande opsomming kan eventueel aangepast worden

naargelang de aard van het product (zie handleiding van het

betreffende product).

Garantie de service et de qualité Velleman®

Velleman® jouit d’une expérience de plus de 35 ans dans le

monde de l’électronique avec une distribution dans plus de 85

pays.

Tous nos produits répondent à des exigences de qualité

rigoureuses et à des dispositions légales en vigueur dans l’UE.

Afin de garantir la qualité, nous soumettons régulièrement nos

produits à des contrôles de qualité supplémentaires, tant par

notre propre service qualité que par un service qualité externe.

Dans le cas improbable d’un défaut malgré toutes les

précautions, il est possible d’invoquer notre garantie (voir les

conditions de garantie).

Conditions générales concernant la garantie sur les

produits grand public (pour l’UE) :

• tout produit grand public est garanti 24 mois contre tout vice

de production ou de matériaux à dater du jour d’acquisition

effective ;

• si la plainte est justifiée et que la réparation ou le

remplacement d’un article est jugé impossible, ou lorsque les

coûts s’avèrent disproportionnés, Velleman® s’autorise à

remplacer ledit article par un article équivalent ou à rembourser

la totalité ou une partie du prix d’achat. Le cas échéant, il vous

sera consenti un article de remplacement ou le remboursement

complet du prix d’achat lors d’un défaut dans un délai de 1 an

après l’achat et la livraison, ou un article de remplacement

moyennant 50% du prix d’achat ou le remboursement de 50%

du prix d’achat lors d’un défaut après 1 à 2 ans.

• sont par conséquent exclus :

- tout dommage direct ou indirect survenu à l’article après

livraison (p.ex. dommage lié à l’oxydation, choc, chute,

poussière, sable, impureté…) et provoqué par l’appareil, ainsi que

son contenu (p.ex. perte de données) et une indemnisation

éventuelle pour perte de revenus ;

- tout bien de consommation ou accessoire, ou pièce qui

nécessite un remplacement régulier comme p.ex. piles,

ampoules, pièces en caoutchouc, courroies… (liste illimitée) ;

- tout dommage qui résulte d’un incendie, de la foudre, d’un

accident, d’une catastrophe naturelle, etc. ;

- out dommage provoqué par une négligence, volontaire ou non,

une utilisation ou un entretien incorrects, ou une utilisation de

l’appareil contraire aux prescriptions du fabricant ;

- tout dommage à cause d’une utilisation commerciale,

professionnelle ou collective de l’appareil (la période de garantie

sera réduite à 6 mois lors d’une utilisation professionnelle) ;

- tout dommage à l’appareil qui résulte d’une utilisation

incorrecte ou différente que celle pour laquelle il a été

initialement prévu comme décrit dans la notice ;

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Velleman DVM8855 User manual

Velleman DVM8855 User manual

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