Velleman DVM401 - Manual (Page 4)

DVM401 Rev. 02
09.01.2014 ©Velleman nv 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 the Velleman! Please read the manual
thoroughly before bringing this device into service. If the device was
damaged in transit, don't 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.
This device combines the functions of sound level meter, light meter,
humidity meter and temperature meter and can be used both
professionally and at home.
The sound level function can be used to measure sound levels in
schools, offices, airports, etc. and to check the acoustics of
auditoriums, studios and hi-fi installations.
The light function is used to measure luminous intensity. The device
automatically compensates for the angle of incidence. The light-
sensitive component is a very stable long-life diode.
Measure temperatures using the built-in temperature-sensitive
semiconductor or the K-type thermocouple.
Perform relative humidity measurements with the built-in
semiconductor.
The humidity and temperature measuring function is for use a
humidity/semiconductor sensor and K-type thermocouple.