10
RHT35-en-GB_V1.0 04/17
Maintenance
Battery Replacement
The battery compartment is located on the back of the datalogger as shown in the Descriptions
section. When the battery symbol flashes on the display, replace the batteries promptly.
1.
Using a large coin, rotate the battery compartment lid
clockwise
approximately one
quarter turn to open the compartment
2.
Replace the two (2) CR2032 batteries with positive (+) side facing up
3.
Replace the battery compartment lid and turn
counterclockwise
to secure it
4.
Dispose of batteries in accordance with country, state, and local regulations
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate
collection sites, the retail store where the batteries were purchased, or wherever
batteries are sold.
Disposal:
Do not dispose of this instrument in household waste. The user is obligated to
take end-of-life devices to a designated collection point for the disposal of electrical and
electronic equipment.
Battery Status Check
To check the approximate number of days of battery life remaining, short press the
MARK
button.
The display will show the number of days and the ‘d’ for days (XXd).
Cleaning
Wipe the datalogger with a damp cloth, do not use solvents or abrasives as these may damage
the datalogger finish and display lens.
Error Display Codes
ERROR
CAUSE
SOLUTION
E02
Measured value below specified range
Operate in the specified range
E03
Measured value above specified range
Operate in the specified range
E04
Temperature error
Contact Extech for service
E11
Humidity calibration failed
Contact Extech for service
E31
Microprocessor failed
Contact Extech for service
E33
Humidity measurement error
Contact Extech for service
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2017 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
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