DVM1307
V. 03 – 24.02.2012
4
©Velleman nv
4.
Features
•
high accuracy and rapid response
•
data hold function
•
manual scale selection
•
max. and min. values
•
low battery indication
5.
Overview
Refer to the illustrations on page 2 of this manual.
1 measuring probe
6 range button
2 zero adjust
7 HOLD button
3 LCD
8 MIN/MAX button
4 ON/OFF button
9 backlight ON/OFF button
5 W/B unit select button
10 battery compartment
6.
Operation
Refer to the illustrations on page 2 of this manual.
•
Make sure batteries are present inside the solar power meter. Refer to §8.
•
Press the power button [4] to switch the power meter on. Press again to
switch off.
•
Check the measured value with the protective cap on the sensor [1]. The
display must read 00.0. If not, gently rotate the zero adjust [2] until it
does.
•
Remove the protective cap from the sensor [1]. Place the sensor
horizontally to measure the solar power.
•
Select the desired measuring unit (W/m² or BTU/ft²xh) with the unit
select button [5].
Note: BTU = British Thermal Unit
•
When the display indicates ‘OL’, select the appropriate measuring range
with the range button [6].
•
To freeze the measured value on the display, press the HOLD button [7].
The display indicates HOLD. Press again to exit hold mode.
•
To show only the highest measured value, press the MIN/MAX button [8].
The display indicates MAX. To see only the lowest measured value, press
the button again. The display shows MIN. Press and hold the MIN/MAX
button [8] for about 3 seconds to return to normal mode.
•
Press the backlight button [9] to switch the backlight on or off.
•
After measuring, place the protective cap back on the sensor.
7.
Maintenance
•
Gently wipe the device regularly with a moist, lint-free cloth. Do not use
alcohol or solvents. Do not apply pressure on the display.
•
Never submerge the solar power meter in any liquid.