It can improve detection efficiency and reduce detection cost. Direct hand-push hunting on the road without drilling a hole greatly mitigates work-load with exact leak locating. Heat-wire semi-conductive sensor is adopted so that it won’t be affected by car’s exhaust gas, organic solvent, etc.Different alarm sounds show gas density’s change so that the density finger can judge leak-point. Alarm setting range: 5 – 100ppm.
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