Obtains the national monopoly the self-rescuer positive pressure aeroseal inspection tester, can carries on the gas tight inspection to each kind of model filtration type self-rescuer
 
 
 and chemistry oxygen self-rescuer, is the present stage domestic coal mine on-spot check self-rescuer aeroseal performance most advanced instrument.
 mainly may carry on the carbon monoxide filtration type self-rescuer and chemistry oxygen self-rescuer product inspection!
 
 weight 9kg (kg) size 380×300×400 (mm)
 supply voltage DC12 (V) measuring accuracy ±0.3%
 measuring range 13340Pa-20000Pa