Product Name: Single Gas Combustible Gas Detector (JCB4) Factory Supply Model NO.: JCB4 Type: Electrochemical Gas Analyzer Gas: CH4 Portable: Portable Customized: Customized Brand: Topsky Sensors: Catalytic Combustion Sensor (Combustible Gas) Range: 0-100%(Lel) Accuracy: 1%(Lel) Resolution: 1%(Lel) Power Source: 1500mAh Lithiumbattery;Rechargeable Battery Temperature Range: -4 to 122(-20c to 50c) Typical Humidity Range: 0 to 95% Rh Typical Alarms: Adjustable Low and High Alarm Setpoints Explosion Protection: Exibd I Protection Grade: IP54 Trademark: Topsky Origin: Beijing China HS Code: 9027100090 Product Description JCB4 combustible gas Detector is a low-cost, maintenance-free single gas monitor designed to protect personnel in dangerous placeFeatureBenefit2-year warrantyLowers the overall cost of ownership by providing a full 24 months of warranty coverage.Weight of 102gLight weight andcompact size, can be worn on the belt, shirt pocket, coveralls or hard-hat.Flip-cap calibration featureJCB4 has a unique, built in calibration adapter to make calibration easy and eliminates the need to search for a calibration cup.OLED displayProvides continuous display of the actual concentration of combustible gas in the ambient environment as well as remaining battery life.Adjustable low and high alarm setpointsThe user can configure the JCB4 to suit a number of different applications.High visibility caseFrom a distance, the JCB4's color makes it easy for Safety Professionals to verify that workers are protected.5 second delay shut-off protectionThe JCB4 cannot be accidentally shut off since the on/off button must be depressed for five continuous seconds.Technical specification:Sensors:Catalytic combustion sensor (combustible gas)Range :0-100% ( LEL )Accuracy :1% ( LEL )Resolution :1% ( LEL )Power Source:1500mAH lithium battery ; rechargeable batteryTemperature Range :-4°F to 122°F (-20°C to 50°C) typical Humidity Range :0 to 95% RH typicalAlarms:Adjustable low and high alarm setpointsExplosion protectionExibd IProtection gradeIP54Dimensions:93mm × 49mm × 22mmWeight:102g