Sunday, November 19, 2017
 

EnviroTrak

900 MHz Humidity Transmitter
Model #: 31220
This 900 MHz EnviroTrak transmitter contains temperature and humidity sensors. All EnviroTrak 900 MHz transmitters operate in a 900 MHz frequency-hopping spread spectrum and reach up to 2500 feet (762 meters) open field range, interior range up to 500 feet. The 900 MHz system is capable of collecting, storing and transmitting data wirelessly up to 400 hours (16 days)and are battery operated. Transmitters 31220-032 calibrated to NIST standards are available.

Product Specifications
Battery Type 2/3A Lithium battery, 3V
Temperature Accuracy 0.5F (0.3C) at 77F (25C)
Communication Distance 2500 feet (762 meters) (open field range)
Battery Life 2.5-3 years typical battery life
Temperature Range -4F to 140F (20C to 60C), up to 95% relative humidity (non-condensing)
Battery Type 2/3A Lithium battery, 3V
Installation Snaps to Base Plate. Base Plate mounts with screws or double-stick tape (included)
RF Specifications U.S.: ISM 900 MHz, FHSS (902-928 MHz) @ 50mW
Features
Fast Burst: Complete message in < 30ms, transmitting for < 4% of that time
Relative Humidity Accuracy 2% (10 to 90%RH)
Certifications RoHS Compliant, NIST Traceability Available
Relative Humidity 0% to 95%
Documentation
food processing catalog
Food Processing Catalog
slicksheet
Product Sheet



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