Dwyer temperature transmitters for duct, pipe, wall-mount, and outdoor applications. Series BTT, HHT, 650, 651, 659, BTO, TTE, TTW.

Series BTT duct temperature transmitter. 4-20mA output, averaging element for HVAC duct applications.

Series HHT temperature transmitter with thermowell for immersion applications. 4-20mA output.
Series 650 temperature transmitter. 4-20mA output, RTD or thermocouple input.
Series 651 temperature transmitter for RTD inputs. DIN rail mount.
Series 659 temperature transmitter for thermocouple inputs. DIN rail mount.
Series BTO outdoor temperature transmitter. NEMA 4X enclosure, 4-20mA output.
Series TTE duct temperature transmitter with extended probe lengths.
Series TTW wall-mount temperature transmitter for room temperature measurement.