Omega Engineering OS523 Thermometer User Manual


 
2-1
Using the Handheld Infrared Thermometer
2
2.1 How to Power the Thermometer
2.1.1 Battery Operation
Invert the thermometer and install 4 fresh AA size batteries as
shown in Figure 2-1. Make sure the batteries’ polarities are correct,
the batteries are not put in backwards, and are of the same type.
If the icon flashes, the batteries must be
replaced with fresh batteries immediately.
Figure 2-1. Installing the Batteries
2.1.2 ac Power Operation
The thermometer may be operated on ac power using the optional
ac adapter. 120Vac/60 Hz and 220Vac/50 Hz adapters are available.
When operating on ac power the batteries supply backup power in
case of ac power failure. The ac adapter input jack is shown in
Figure 1-3.
NOTE