Operation tips, Maintenance, Batteries – Velleman DVM8020 User Manual
Page 6

DVM8020
Rev. 03
20.08.2013
©Velleman nv
6
6. Operation tips
•
Do not touch or disassemble the wind sensor [2].
•
Do not measure outside of the operating range (‘OL’ is displayed on the
LCD) and do not measure in places with high humidity. Refer to the
technical specifications for more details.
•
Consider mounting the device on a tripod (not incl.) for longer and more
stable measurements.
•
Make sure the device is at ambient temperature for accurate
measurements.
•
Remove the batteries when the device is not used for a long time.
7. 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.
8. Batteries
•
To replace the batteries, make sure the device is switched off.
•
Open the battery cover at the back by sliding it downwards (away from
the sensor).
•
Take out the old batteries and replace them with 3 new and identical 1.5V
AAA batteries following the polarity markings inside the battery
compartment.
•
Slide the battery cover back in place.
Do not puncture or throw batteries in fire. Dispose of
batteries in accordance with local regulations. Do not
attempt to recharge non-rechargeable batteries.
Keep batteries away from children.