2914 2-Wire Room Temperature Transmitter. 2914 2-wire transmitter that measures room temperature is built in a slim cabinet design. A precision PT100 sensor with small mass is mounted on the transmitter input, therefore achieving a fast response time. Features and Benefits. 2-wire Output signal of 4…20 mA Easy mounting Protected against polarity reversal Bottom of cabinet can be attached to a wall by two screws Visible or hidden cable access Measures temperature in offices, heating plants, factories, living rooms and similar dry rooms Suitable as a transmitter for controllers, trip amplifiers, displays or superior SCADA systems