The sensor adopts the imported element with the characteristic of work stability, long servicing life, digital display with 4 site LED, intrinsic circuit, controlled by intellectualized chip, infrared remote adjustment and various signal output system .The sensor is especially for the continuous detection of oxygen concentration in the mine. It definitely has standard three-wire working style (two wires are used for supply power and one wire is used for feedback signal).
Main technical parameters
Working voltage: 9-24V
Working current: <40mA (18VDC)
Measurement range: 0.0-25.0% O2
Precision: 0.1%O2
Measurement error: <±3% (in the whole measurement range)
Alarming range: 0-25%O2
Sound and light alarm: sound level >85db, red LED flash