Tek-Bar 3120B Explosion-Proof Piezo Pressure Transmitter uses the world’s advance silicon pressure sensor technology and state of the art encapsulation technology. This is a high performance pressure transmitter with HART or Modbus RS485 communication protocol and is used to measure gauge pressure. It is used to measure liquid, gas, or steam flow as well as liquid level and density of medium. It has a high accuracy of up to 0.075% of URL and has IP66 water-proof protection.