The DWYER 620P-30 is a discontinued pressure indicating transmitter from the Series 620, featuring a measurement range of 0 to 30 PSI with a maximum pressure rating of 58 PSI. It includes 1/8" (3 mm) barbed tubing connections for pressure applications. The transmitter operates within a temperature range of 20 to 120°F and requires a 10 to 35 VDC power supply. Housed in gray PVC, this Type I transmitter provides reliable pressure monitoring capabilities.