GAOTek Electrochemical Method Portable Detector

This Electrochemical Method Portable Detector has temperature range of -4 °F to 122 °F, humidity range of 0% RH to 95% RH and 3000 mA battery capacity.




  • Gear adjustable flow
  • Stable service life
  • Low noise
  • Customize gas measuring range for different tests
  • The detection is more accurate
  • Disassemble at will
  • Double-layer pipeline
  • Spring protection


Technical Specifications

Detection Principle Electrochemical Principles
Measurement Range 0 ppm to 10 ppm, 0 ppm to 20 ppm, 0 ppm to 50 ppm, 0 ppm to 100 ppm, 0 ppm to 200 ppm, 0 ppm to 1000 ppm, 0 ppm to 2000 ppm, 0 ppm to 5000 ppm
Resolution 0.01 ppm, 0.1 ppm, 1 ppm
Sensor Life 2 years to 3 years
Precision 2% of Full Scale (FS)
Sampling Method Built-in stable flow pump, flow range: 0 mL/min to 500 mL/min
Modular Structure Can detect up to 1 to 4 kinds of gases
Concentration Unit ppm, mg/m³, %VOL, %LEL (switchable by one button)
Display 3.5 in (88.9 mm) color display, resolution 320 x 480
Display Modes Multiple selectable modes: multi-channel data mode, multi-curve mode, single channel + single curve mode
Data Storage Standard 16M capacity storage (up to 100,000 data groups); USB download in EXCEL format
Battery Capacity 3800 mA rechargeable
Charging Interface USB charging interface, 5 V/2 A standard charger
Filter Device Equipped with a multi-layer filter to efficiently filter oil, water, and dust
Wireless Network Bluetooth (with print function), ZigBee, Lora+ (relay DTU), DTU (optional with extra charge)
Network Frequency Lora (470 MHz), DTU (2.4 GHz) (optional with extra charge)
Wireless Transmission Distance Lora, DTU (unlimited) (optional with extra charge)
Response Time ≤8 s
Repeatability ≤±1%
Zero Shift ≤±1% (FS per year)
Operating Temperature -4 °F to 122 °F (-20 °C to 50 °C) (optional flue gas sampling probe, up to 1112 °F (600 °C), 2192 °F (1200 °C) smoke concentration)
Working Humidity 0% RH to 95% RH (no condensation) (high humidity option with filter drying device)
Explosion-Proof Exic II CT3, GC
Alarm Modes Buzzer, LED, alarm status prompt on the display; fault alarm, pump abnormal alarm, low battery alarm, shutdown alarm, fall alarm (optional with extra charge)
Recovery Time ≤10 s
Linearity Error ≤±1%
Degree of Protection IP 66
Dimensions 0.63 in x 2.95 in x 1.61 in (270 mm x 75 mm x 41 mm)
Weight 0.88 lb (400 g)


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