Extech Instruments RH520B User Manual page 3

Paperless humidity/temperature chart recorder
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RH520B Description
1
2
1.
Remote sensor
2.
Sensor cable
3.
LCD Display
4.
Swivel keypad / table-top
stand
5.
PC interface jack
6.
Universal alarm module jack
7.
AC adaptor jack
8.
DATA RESET button (clears recorded measurement data and alarm history)
9.
Temperature units select switch (C or F)
10.
PROGRAMMING RESET button (clears programming changes but retains measurement
data and alarm history)
11.
Display CONTRAST adjust
12.
Sensor cable storage area
13.
'AA' 1.5V batteries
14.
Sensor cable run
15.
Wall mount holes
3
3
4
RH520B-en-US_v5.2 8/20
5
6
7

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