Temperature Measurement


Relative humidity and temperature transmitter

November 2006 Temperature Measurement

New in South Africa is Rense Instruments' rugged industrial relative humidity and temperature transmitter, the HT-780, which is now available from Instrotech.

The HT-780 is designed for applications where accurate and stable measurement and control of humidity and temperature is required for an industrial process. Features include a duct mounting stainless steel housing, wide measurement range, high accuracy, and optional local display of measurement.

The HT-780 utilises a thin film polymer humidity sensor that provides good long-term stability and a fast measurement response. The sensor has high linearity over the measurement range of 5 to 95% rh with a measurement accuracy of ±2% rh. The HT-780 provides two linear 4-20 mA 2 wire signals for 0 to 100% rh and for -50 to 200°C temperature.

The HT-780 is available as a blind transmitter or with an integral loop powered display of both measured parameters in a number of standard probe lengths. A comprehensive range of filtration guards is offered to suit the majority of applications.

The HT-780 has been successfully used in many applications from drying kilns for roof tiles to tablet coaters in the pharmaceutical industry. The rugged housing and the measurement performance of the sensor offers an ideal solution for industrial applications.

For more information contact Andrew Huart, Instrotech, +27 (0) 11 462 1920, [email protected]



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