Rense Instruments recently unveiled its HT-748 Humidity and Temperature Transmitter, which offers a 0- to 1-volt DC output corresponding to 0 to 100-percent relative humidity, as well as a separate 0- to 1-volt DC temperature signal. Intended for rugged applications, this transmitter can handle up to 300°F (150°C) in situations in which a small 5/16-in. diameter stainless steel probe is required. The HT-748 is available as a straight probe, or with either a 1/8-in. NPT thread or a flange for mounting. This sensor is also available as the HX-748 with a single relative humidity output for applications that only need a relative humidity output. For maximum reliability, the electronics are remotely mounted in a DB25 Sub-D connector, yet are accessible to allow for quick and easy recalibration of the sensor when required.
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