Compatible with SD750 Pressure Datalogger. The PT30-SD captures pressure measurements on hydraulic, pneumatic, air compressor, and process gas systems, as well as other industrial components. The PT30-SD features linearized current output (4 to 20 mA DC), a 1/4-inch NPT port connector with PS 1/4-inch (19 teeth per inch) adapter, and 1 percent full scale accuracy. The unit is made of corrosion-resistant stainless steel and requires a 9-30 VDC power source.