... 0 ~ 50MPa. 2, supply voltage: AC 220V. 3, the output signal: the pressure is greater than the upper limit ... the limit indicator light, buzzer sound, the output relay J1 action. Pressure is less than ... limit, the lower limit indicator light, the output relay J2 action. Pressure signal to 0- ... -20mA DC transmission output. 4, accuracy class 0.2%. 5, relay load capacity: ~ 220V/3A. Production ProcessPackage ...