The Model 5439 Surface Sentinel communicates temperature, air temperature, relative humidity, and dew point via SDI-12 protocol compatible with standard datalogger and telemetry options. That makes the sensor a low-cost way to fill gaps between existing weather stations. The contact output can trigger ITS field devices at user-defined sensor thresholds. An integrated power management fan maximizes air flow for applications that require higher accuracy air temperature and relative humidity readings. Three-tube shield protects the sensor from solar radiation.
High Sierra Electronics Inc.
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