The maximum possible negative gauge pressure is always limited by the current ambient atmospheric pressure, which constantly varies, but is typically around 1 bar absolute.
Negative gauge pressure measurement products
- Negative 500 mmH2O g range 4-20mA output pressure sensor
- Landfill biogas extraction well depressure pressure transmitter
- -1 to 6 bar differential RS485 Modbus RTU freshwater pressure sensor for farming use on a 6bar line
- Minus 750-0 mmHg gauge suction range 4-20 milliamps output sensor