... variety of corrosive and non-corrosive gas, liquid, widely used in the aviation, petroleum, chemical, metallurgy, electric power, light industry, machinery ... and other fields. 1, measurement range: the table below 2, working voltage: 12.5 ~ 36VDC 3 Accuracy class ... -10KPa Negative relative pressure -100KPa-0 -10KPa-0 Pressure Transmitter made in China