4 EN
thermohygrometer BC21
Information about the device
Device description
The thermohygrometer BC21 can be used to determine the air,
dew point and wet-bulb temperature as well as the humidity
level of indoor areas.
For assessing the measurements, a Max/ Minfunction
(maximum and minimum value) and a Holdfunction for freezing
the currently measured value are also available.
When not in use, an automatic switch-off saves the battery.
Device depiction
No. Designation
1 Measuring sensor
2 Battery compartment with cover
3 Operating elements
4 Display
Operating elements
No. Designation
5 HOLD/ lamp button
6 Dew Point button
7 MAX/ MIN button
8 Power button
Display
No. Designation
9 MAX indication
10 MIN indication
11 % RH indication
12 Measurement value display
13 Temperature unit indication
14 Dew point indication
15 Wet bulb indication
16 Measurement value display bottom
17 Automatic switch-off indication
18 Alarm indication
19 Battery indication
20 HOLD indication