Usado voltage detectors en China

JJB30-2new type Hand-held laser remote methane gas leak detector

Accuracy: ±100ppm @1000ppm·m Value±10% @1000~100000ppm.m | Response time: ≤0.05s | Effective distance: 0～30m | Distance measurement range①: — | Concentration display resolution: 1ppm·m | Distance meter: m | Dista...