Siemens 142-0229 RECEIVER GAUGE, PNEUMATIC, 0 TO 100 DEGREES FAHRENHEIT, 3-1/2 INCHSiemens 142 0229 This 142A Pneumatic Receiver Gauge is mounted on a central control panel and responds to pneumatic signals from a remotely located transmitter used to measure temperatures, humidity and pressures of mechanical equipment. This 3 1 2 inch (889 mm) diameter receiver gauge has a control range of 0 to 100 degrees Fahrenheit, a barb fitting for 1 4 inch (6 mm) OD polyethylene tubing, and a standard operating pressure of 3 to 15 psi. It is