April 2020, Vol. 247, No. 4

What's New

What's New

Sensaphone Sensaphone introduced a combination temperature, humidity and carbon dioxide (CO2) sensor that measures and provides real-time values to monitoring devices that accept a 4-20-mA or MODBUS signal. When the sensor registers that a monitored condition falls outside of the programmed range, the system sends an alert with the current value to the operator. The device uses a dual-channel, nondispersive infrared (NDIR) sensor to monitor CO2, a precision thermistor to monitor temperature, and a thermoset polymer-based capacitance sensor to measure humidity levels. Depending on the system, operators can choose either a 4-20-mA or MODBUS-compatible

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