UEi Test Instruments THL2 - Manual (Page 5)

LEDs Indication
Both LED lights off
One Green flash every 10 seconds*
Double Green flash every 10 seconds*
Single Red flash every 10 seconds*
Double Red flash every 10 seconds*
Single Red flash every 60 seconds
Single Yellow flash every 10 seconds*
Double Yellow flash every 10 seconds*
Single Yellow flash every 60 seconds
4
Description Action
Not logging Start logging
Low battery Replace battery and download
data
Logging - No alarm**
Not logging - in Manual Start Mode
Press “START” to begin logging
Logging - Low Alarm RH%***
Logging - High Alarm RH%***
Low battery****
Logging will stop automatically.
Replace battery and download
data (No Data will be lost)
Logging - Low Temp Alarm***
Logging - High Temp Alarm***
Logger memory full
Download Data