Tuesday, November 21, 2017
 

EnviroTrak

900 MHz External Temperature/Humidity Transmitter
Model #: 31221
Operates on a 900 MHz frequency-hopping spread spectrum with an open-field range of up to 2,500 ft and a typical interior range of up to 500 ft. The transmitter is battery operated and monitors against preset conditions that are user-defined within the EnviroTrak application. Transmitters 31221-032 calibrated to NIST standards are available.

Product Specifications
Resolution: 0.01 %
Mounting: Bracket (screws or tape)
Temperature Range: -4 to 140F (-20 to 60C)
Relative Humidity Range: 0 to 100%
Power Source: Battery (CR123A lithium, 3V
Temperature Accuracy: 0.5F (0.3C) at 77F (25C)
Relative Humidity Accuracy: 2% (10 to 90%RH)
Battery Life 2.5-3 years
Documentation
food processing catalog
Food Processing Catalog
slicksheet
Product Sheet



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