The TE511/512DR Series has been discontinued and has been replaced by the TDDR Series.
The TE511/512DR multi-point rigid duct average temperature transmitter incorporates four precision platinum RTD’s encapsulated in a 6.35 mm (0.25”) OD, 304 stainless steel probe and is available in various lengths. All probes provide excellent heat transfer, fast response and resist moisture penetration. A transmitter that provides a high accuracy signal with excellent long term stability, low hysteresis and fast response for measurement of duct temperatures. A hinged lid, weatherproof enclosure and LCD in either °C (511) or °F (512) are provided.