Gas Detector Alarm Portable Gas Tester for Factories Garages ALARMGAS DETECTORGAS TESTERPPORTABLE GAS DETECTION Tester.

Specifications: Item Type: Gas Detector Material: ABS Gas Detection: Gas Sensitivity: 50 PPM ALARM MODE (Methane): Sound and Light Alarm Response Time: Battery: Continuous Time 3x1.5V AA (shipped without batteries) Warm-up Time: 20 seconds Continuous Time: 0-90% Application: Suitable for various scenarios, factories, and garages. Voltage setting. Operating Instructions: 1. Turn off the device and rotate the sensitivity knob counterclockwise. 2. In a clean environment, slide the switch to ON to turn on the device. The power indicator will illuminate. If the power indicator is steady, the battery is fully charged, ensuring accurate detection. 3. Automatic warm-up occurs within 20 seconds after startup; you will hear a ticking sound. 4. Adjust the sensitivity control until the first indicator illuminates. 5. Place the sensor near the known source, and the size indicator will increase by clicking. These steps ensure the equipment is functioning correctly and is ready for use. If the battery is fully charged but the sensor shows no reading when near the known leak, do not use the instrument; please take it to a repair shop. 6. As the speed increases, the size indicator will light up from bottom to top, indicating a higher concentration. 7. Search the general area. When a detectable compound enters the sensor, the clicking will accelerate. 8. If you are searching for a source, reduce the sensitivity to clear.