Cooper-Atkins
900 MHz Humidity Transmitter

900 MHz Humidity Transmitter

Model: 31220

About this item

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.
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Product Specifications

Battery Type2/3A Lithium battery, 3V
Temperature Accuracy±0.5°F (±0.3°C) at 77°F (25°C)
Communication Distance2500 feet (762 meters) (open field range)
Battery Life2.5-3 years typical battery life
Temperature Range-4°F to 140°F (20°C to 60°C), up to 95% relative humidity (non-condensing)
Battery Type2/3A Lithium battery, 3V
InstallationSnaps to Base Plate. Base Plate mounts with screws or double-stick tape (included)
RF SpecificationsU.S.: ISM 900 MHz, FHSS (902-928 MHz) @ 50mW
FeaturesFast Burst: Complete message in < 30ms, transmitting for < 4% of that time
Relative Humidity Accuracy±2% (10 to 90%RH)
CertificationsRoHS Compliant, NIST Traceability Available
Relative Humidity0% to 95%