DVM8852
00 (04/11/2008)
Velleman
®
4
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
Keep the device away from children and unauthorised
users.
Keep the sound level meter away from rain, moisture,
splashing and dripping liquids.
Protected the meter against extreme heat and dust.
Do not use in area’s where altitude > 2,000m.
•
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.
3.
General Guidelines
•
Protect this device from shocks and abuse. Avoid brute force when operating the device.
•
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.
•
There are no user-serviceable parts inside. Refer to an authorized dealer for spare parts.
4.
Features
•
device complies with IEC61672-1 Class2 for sound level meters
•
with Windows software and MAC / Linux USB drivers
•
32,700 records data logger
•
bar graph indication
•
max/min function
•
over and under range display
•
auto ranging: 30 ~ 130dB
•
clock display
•
resolution: 0.1dB
•
level range display
•
AC/DC signal output
•
auto power off
•
fast & slow response
•
AC/DC signal output for connection to analyser or X-Y recorder
