Manual

76
FUNCTIONAL DESCRIPTION
DISPLAY AND RH PROBE
1. Probe shielded cable
2. Low RH calibration trimmer
3. High RH calibration trimmer
4. Polypropylene probe body
5. Perforated sensor cover
6. LCD (Liquid Crystal Display)
7. Primary display
8. Secondary display
1. Power supply socket
2. RH probe socket
3. Temperature probe socket
4. UP key, to scan data or set time, date and logging interval
5. DOWN key, to scan data or set time, date & logging interval
6. TIME key, to display current time and printing interval, or to
set, date, time & printing interval (with ALT)
7. LOG key, to start/stop logging (with ALT)
8. LCD (Liquid Crystal Display)
9. PAPER key, to advance paper, or disable printing (with ALT)
10. PRINT key, to print on-demand
11. ALT key, to activate key alternate functions (press ALT first,
then press a second key while holding ALT)
12. RANGE key, to turn the meter ON and to display RH or
temperature reading
2
MICROPROCESSOR LOGGING
THERMOHYGROMETER
%RH
°C
RANGE
5.0 . . . 95.0
-20.0 . . +60.0
PAPER
ALT
UP DOWN
RANGE
TIME
PRINT
LOG
3
8
9
10
11
12
6
7
5
4
HI 91610C
1
FUNCTIONAL DESCRIPTION HI 91610