MESTEK Gas Analyzer Meter Automotive Combustible Gas Sensor Detector Air Quality Monitor Gas Leak Detectors with Alarm The product is based on the color or size of the main image of the product page. Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life. Features: High sensitivity, fast response and easy operation. CGD-01 check leak type: imported sensor, sensitivity can be adjusted, reaction time is less than 10 seconds, sound and light alarm, diffusion sampling, hose length 300mm. CGD-02 digital concentration type: imported sensor, sensitivity is not adjustable, reaction time is less than 10 seconds, sound and light alarm + vibration, diffusion sampling, hose length 300mm, LCD display (with backlight), concentration range: 0-100% LEL, calibration clear function, environmental temperature measurement -10~50?. Detecting multiple flammable gases: methane / natural gas, gas / carbon monoxide, gasoline / alcohol, propane, benzene, trichloroethane, ethane, n-butane, halogenated hydrocarbon. Can be widely used in petroleum, chemical, environmental protections, metallurgy, gas transmission and distribution, coking, municipal engineering, home business and other fields to detect the leakage of combustible gases. Flexible serpentine hose for no dead ends. High sensitivity gas detection probe for more accurate detection. Multiple alarms for more complex measurement environments. Specifications: Material: ABS Color: black Model: CGD-01, CGD-02 (optional) Product type: CGD-01: check leak type CGD-02: digital concentration type Sensor: CGD-01: import CGD-02: import Sensitivity: CGD-01: adjustable CGD-02: not adjustable Preheat time: CGD-01: less than 30 seconds CGD-02: less than 30 seconds Alarm mode: CGD-01: sound and light alarm CGD-02: sound and light alarm + vibration Sampling method: CGD-01: diffusion type CGD-02: diffusion type Probe hose: CGD-01: 300mm CGD-02: 300mm Operating hours: CGD-01: more than 1 hour CGD-02: more than 1 hour Display method: CGD-01: no CGD-02: LCD display Measuring range: CGD-01: no CGD-02: 0-100% LEL Tolerance scope: CGD-01: no CGD-02: ±5% Resolution: CGD-01: no CGD-02: 1% LEL Alarm value setting: CGD-01: no CGD-02: high and low two points freely set Concentration alarm value: CGD-01: no CGD-02: adjustable Screen backlight: CGD-01: no CGD-02: yes Calibration function: CGD-01: no CGD-02: can be cleared Temperature range: CGD-01: no CGD-02: -10~50? Temperature error: CGD-01: no CGD-02: ±1.5? Battery: 3 * AA battery (not included) Package size: 180 * 70 * 30mm / 7.1 * 2.8 * 1.2in Package weight: 650g / 1.4lb Package list: 1 * Detector 1 * User Manual 1 * Box