Its display comes with 4 digit LCD display with highlight backlight display and acousto-optic alarming; oxygen measuring range is upto 0 ~ 25% (VOL) and resolution is 0.1% (VOL)

It displays over range measurement with 'OL' marking; the service life of the sensor is approximately 2 years and working principle is source cell sensor; measures the correct value of oxygen in the environment temperature -10 ~ 40°C with 99% RH operating humidity,

Widely used in the areas of oxygen manufacturing factory, petroleum refining and petrochemical plants; also used to detect oxygen content in trains, automobiles, mines, during mountain climbing and sealed places.