Test Products International 597C1 - Manual (Page 9)

10. Specifications
Display: Dual display LCD with annunciators
Measurement Range and Accuracy
Humidity:
Range: 0% to 100%
Accuracy: +/-2% RH
Resolution: 0.1% RH
Temperature:
Range: -40°F to
122°F
Accuracy: +/-(0.5% of reading + 0.8°F + 3 digits)
Resolution: 0.1°
Range: -40°C to 50°C
Accuracy: +/-(0.5% of reading + 0.4°C + 3 digits)
Resolution: 0.1°
Operating Temperature & Humidity (Base Unit):
32°F to 122°F (0°C to 50°C) at less than 90% RH
Power Source:
9V Alkaline Battery
Dimensions:
5.8” x 2.9” x 1.2” (148mm x 73mm x 30mm)
7. Troubleshooting
Problem Solution
Unit will not turn on Change the battery
Will not display humidity or Return to TPI for service
temperature.
8. Battery Replacement
1. Remove the unit from the protective boot. The battery cover is at the
bottom of the unit and is marked battery.
2. Loosen the battery compartment screw and remove the battery door by
pulling on the screw.
3. Replace the battery.
4. Install the battery compartment door and tighten the screw. Put the
protective boot back on the unit.
9. Care & Cleaning
Clean the 597 with a soft lint free cloth. Do not attempt to clean the sensor.