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Appendix A: Specifications
Approved 9-Volt Batteries
20
Appendix A: Specifications
Measurements
Globe Temperature, Dry Bulb Temperature, Wet Bulb Temperature, % Relative
Humidity, and WBGT Index
Temperatures given in Celsius or Fahrenheit
Index (displayed stay time with selected index): ACGIH TLV, U.S. Navy PHEL
Charts, Flag Conditions for U.S. Navy/Marine Corp. Ashore
Data Logging mode and Event logging mode
Data logging mode records and prints all measurements at user selected interval of 1,
2, 5, 10, 15, 30, or 60 minutes.
Event logging mode (1 second record) 128K bytes of data memory.
Languages
English, French, Spanish, Italian, German
Sensors
Dry Bulb Sensor- 1000 Ohm Platinum RTD
Accuracy and Ranges: +/-0.5 from 0°C to 120°C (+/-0.9°F from 32°F
to 248°F)
Waterless Wet Bulb (Humidity) Sensor
Accuracy and Ranges: Expanded measurement uncertainty of 1.1°C
(k=2) between 0°C and 80°C (32°F and 176°F)
Globe Sensor- 1000 Ohm Platinum RTD
Accuracy and Ranges: +/-0.5 from 0°C to 120°C (+/-0.9°F from 32°F
to 248°F)
Relative Humidity Sensor - Integrated circuit with capacitive polymer sensor
Accuracy and Ranges: +/-5% from 20 to 95% (non-condensing)
Operating Temperature Range
Sensor Assembly: -5C to +100C
Electronics: -5C to 60C
Housing
Designed water resistant to a light rain or mist. If rain is frequent, best practice
would be to remote the sensor bar and keep the instrument sheltered.
Appendix A