The Siemens 184-0340 TT184 TEMP XMTR,ROOM,50/100
This 184 Room Temperature Transmitter is a direct-acting, one-pipe instrument that senses temperature and transmits a proportional 3 to 15 psi pneumatic signal to a remotely-located receiver gauge and/or receiver controller. This transmitter has a temperature range of 50 to 100 degrees Fahrenheit, a bimetal thermal system and is wall terminal mounted. This transmitter also has a cover and wall plate.