... , light weight, easy to install, easy to use, maintenance- free; for a variety of occasions, bad weather is dangerous to the ... variety of corrosive and non-corrosive gas, liquid, widely used in the aviation, petroleum, chemical, metallurgy, electric power, light industry, machinery ... -10KPa Negative relative pressure -100KPa-0 -10KPa-0 Pressure Transmitter made in China