Model Number: HFP0401-#5421 Brand Name: HuaFanQinLu Key Specifications/Special Features: Description:Portable compound gas alarming detector can be checked four kinds of poisonous and harmful gas at the same time which has small size, safety save electricity, all Chinese and simple operationFeatures:Battery power supply (1500mAh)Display: dot matrix liquid crystal display in EnglishWith real-time storage capabilities, can realize real time record on alarm and timeWith PC interface, can be connected to computer(CO, H2S, NO, NO2, SO2, CL2, NH3, O3, H2, O2, EX) can be combine by random. 4-in-1 standard configuration is (O2+EX+CO+H2S)Specifications:Size: 108 * 61 * 40mm
Weight: 151g
Sensor types: electrochemistry method (gas catalytic combustion type, special separately)
Detection of gases: oxygen (O2), gas (EX), poisonous and harmful gases (CO, H2S, NH3, CL2 and more.)
Response time: ≤30s(O2), ≤40s(CO), ≤20s(EX), ≤30s (H2S)
Time display: the machine is year, month, day and the clock display function
Display: dot matrix liquid crystal display in Chinese
High brightness white backlight
Alarm: voice alarm more than 90dB (10cm away from instrument)
Light alarm red LED
Work mode: continuous work (charged under the condition of gas can work 20 hours or so, other gas 7 days or so, the above is for reference only the stand by time depending on the number of alarm)
Temperature range: - 20 to 50°C
Humidity: 15-95% RH (no condensation)
Power supply: Lithium battery power supply (1500mAh)
Charging time: 3-5 hours
Charging voltage: 5V DC
Packing weight: 0.35kg