Description Overview GAOTek Electrochemical Method Portable Detector is made with electronic chemical sensor and micro controller technology. It is suitable for gas concentration detection in various industrial and special environments. It has the advantages of fast response speed, high measurement accuracy and good stability and repeatability, with data storage, data export, environmental temperature and humidity test functions, which makes it occupying the leading level. Features New 32-bit microprocessor for ultra-low power PPM & mg/m3 switchable Large data storage (16000 entries), USB download Measures temp/humidity in gas environments Built-in strong pump for low pressure Over-voltage, over-charge, EMI protection Simple Chinese/English menu 4000 mA Li-ion battery, ultra-long standby Delay, timed, auto shutdown when idle Technical Specifications Measuring Gas Ozone/O3 Measuring Type Internal Suction Pump Measuring Range 0 ppm to 5 ppm; 0 ppm to 10 ppm; 0 ppm to 20 ppm; 0 ppm to 30 ppm; 0 ppm to 50 ppm; 0 ppm to 70 ppm; 0 ppm to 100 ppm; 0 ppm to 200 ppm Resolution 0.001 ppm (0 ppm to 50 ppm); 0.01 ppm (>50 ppm) Response Time (T80) ≤60 seconds Recovery Time ≤60 seconds Accuracy ≤±3% Linearity Error ≤±1% Temperature -40 °F to 248 °F (-40 °C to 120 °C) Humidity 0% RH to 100% RH Display IPS Color Screen Alarm Voice Warning & Light Detection Modes Real-time detection Working Pressure -4.35 PSI to 29.01 PSI (-30 kPa to 200 kPa) Battery 4000 mA Lithium-ion rechargeable battery Standard Accessories Carrying case, user manual, Certificate, USB Charger, Data cable Weight 0.5 lb (226.8 g) Dimensions 6.50 in x 3.15 in (165 mm x 80 mm)
