Portable single gas detector can make continuous detection to combustible and toxic gases Suitable for combustible and toxic gas leakage detection in underground pipe or mines and keeps the workers safe, prevents the facilities from being destroyedDetector, adopts excellent-quality sensor, makes detection in the way of natural diffusion With good sensitivity and reproducibility Detector adopts embedded MCU controller, easy to operate Shell adopts special high strength material and anti-smooth rubber, with the characters of water-proof and dust-proofMain features:Advanced MCU control with low power consumptionLCD indicationLow and high alarming levelAdjustable calibrating levelCombustible gas sensor high content protection functionHigh concentration protection for combustible gasSelf test for the combustible gas sensorLow battery indicationReal-in time indicationReplaceable sensor moduleSelf-adjustment functionVisual and audible alarm with vibrationSTEL and TWA alarming for toxic gasesAdvanced self-examination and self-renovation functionPassword management to avoid wrong operationSelf-safety anti-explosio