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Display (LCD) Description
o
o
F
C
RH%
T1
T2
H
L
REC
MX
MN
LED Status Indicator Description
The dual color (red/green) LED status indicator is located to the right of the LCD.
Red (Alarm): Blinks red every 10 seconds in an alarm condition
Green (Datalogging): Blinks green every 10 seconds while actively datalogging
Green (PC connection): Glows steady green while establishing connection to PC
888.610.7664
Temperature unit of measure as programmed by the user
Displayed when showing Relative Humidity reading (RHT30)
Represents the internal sensor (air) temperature (TH30)
R epresents the external probe temperature. If no probe is connected,
the display will show dashes for the T2 temperature reading (TH30)
High Alarm triggered
Low Alarm triggered
R EC flashes once per second when actively datalogging. When logger is
programmed with a 'Start Delay', REC is displayed but does not flash
until after the delay time has elapsed and the logging begins
B attery icon flashes once per second when battery level is critically low
D isplayed when the maximum recorded reading is selected with the
MAX‐MIN button
D isplayed when the recorded minimum (MN) reading is selected with
the MAX‐MIN button
www.calcert.com
15
10
20
5
25
0
30
4
RHT30_TH30‐en‐GB_V1.0 (11/16)
sales@calcert.co
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