GAOTek Air-Quality Detector



  • 5 inch high-definition color screen
  • Flashlight function
  • Multi-gas test, display mode switch (used for multi-gas)
  • Flexible and adjustable pumping system
  • Multi-layer filter
  • Multiple gas display units
  • Powerful, more user-friendly operation
  • Optional fall alarm function
  • Optional 8G large-capacity memory card
  • Optional PC storage software download, analysis and storage data
  • Optional external Bluetooth printer



Gas Detected Carbon monoxide CO
Detection principle Electrochemical principles
Measure Range 0 PPM to 500 PPM,1000 PPM,2000 PPM
0 % Vol to 10 % Vol
Resolution 1 PPM
Precision 2% FS
Sampling method Built-in stable flow pump, flow range: 0 to 500 ML/Min
Modular structure Can detect up to 1 to 4 kinds of gases
Concentration unit ppm, mg/m3, %VOL, %LEL, can be switched by one button
Display 3.5-inch color display, resolution 320 × 480
Display mode Multiple display modes select-able: multi-channel data mode,
multi-curve mode, single channel + single curve mode
Data storage Standard 16 M capacity storage function can save up to 100000 groups of data.
Can be directly connected to the computer through USB, quickly download stored data, EXCEL format
Wireless transmission (optional) Bluetooth (with printer), ZigBee, built-in DTU wireless module (optional)
Print Built-in printer or external Bluetooth printer (optional with
extra charge)
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 M), DTU (2.4 G) (optional with extra charge)
Wireless trans. distance Lora (1.6 km), DTU (unlimited) (optional with extra charge)
Response Time ≤8 S
Repeatability ≤±1 %
Zero shift ≤±1% (F.S / Year)
Operating temperature -4 °F to 122 °F (-20 °C to 50 °C)
(optional flue gas sampling probe, up to 1112 °F, 2192 °F (600 °C, 1200 °C)
smoke concentration)
Working humidity 0 % to 95 % RH (no condensation) (high humidity can be
selected with filter drying device)
Explosion-Proof Exic II CT3, GC
Alarm mode Buzzer, LED and alarm status prompt on the display, fault
alarm, pump abnormal alarm, battery low battery alarm, shutdown alarm, fall alarm (optional with extra charge)
Recovery Time ≤10 S
Linearity error ≤±1 %
Degree of protection IP 66
Optional accessories Bluetooth printer, pressure sensor, high temperature rod,
Metal extension rod, Bendable rod, Silicone hose, dry filter device, PC download software
Dimensions 10.6 in × 2.9 in × 1.6 in (270 mm × 75 mm × 41 mm)
Weight 0.88 lb (400 g)


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