Clip Single Gas H2S Monitor, H2S Monitor Digital H2S Monitor, Clip-on 0~100ppm H2S Gas Detector with Voice, Vibration, Red Indicator Alarms,for Various Working environments AZEN HIGH PERFORMANCE: Each All-U-Need lapidary

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Clip Single Gas H2S Monitor, H2S Monitor Digital H2S Monitor, Clip-on 0~100ppm H2S Gas Detector with Voice, Vibration, Red Indicator Alarms,for Various Working environments AZEN HIGH PERFORMANCE: Each All-U-Need lapidaryAbout this item Ready to Use High quality electrochemical sensor: Hydrogen Sulfide (H2S), comes with a calibration report and an attractive case. Lower Error Made of high strength ABS and Anti slip grip rubber. Waterproof, dust proof and explosion proof, Detection error better than 5% F. S. and response time: T<30s. Password Setting Factory INITIAL PASSWORD "1111", password protection to prevent Misoperation, Modify the password to protect your