For all your test equipment requirements

Tenmars TM-801 CO Meter



  • 4-digit backlit LCD 1000-counts.
  • Dual display: CO and Temperature.
  • CO Range: 0 to 1,000ppm.
  • Temperature Range: -20°C to 50°C (-4°F to 122°F).
  • Easy Calibration Points: 100ppm or 500ppm.
  • Sample Rate: 1 time/second.


  • CO is a meter used for measuring the CO levels to 1000ppm.
    Carbon monoxide (CO) is a poisonous gas that has no smell, color or taste. But is very dangerous. It reduces the oxygen-carrying capacity of blood that causes you to be unwell, illness and death.

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SKU: TENMARS TM-801 Categories: , Tags: ,
CO Measurement
Range Resolution Accuracy
0 to 1000ppm ±1ppm ±5% of rdg or ±2ppm
Repeatability less than 2%
Response Time less than 30 seconds
Long Term Zero Drift less than 5ppm
Sensitivity Drift less than 5% per year
Sensor Life typical 3-years
Temperature Measurement
Range Resolution Accuracy
-20°C to 50°C (-4°F to 122°F) ±0.1°C (±0.1°F) ±1.0°C (±1.8°F)
General Specifications
Power Supply 6 x 1.5 Volt type ‘AAA’ batteries or 100V to 240V AC supply or DC adapter
Battery Life 90 hours
Operating Temperature -20°C to 50°C
Storage Temperature -10°C to 50°C, RH less than 70%
Dimensions 156mm (L) x 73mm (W) x 35mm (D)
Weight approx 250g (not including batteries)
Ordering Information
Model Name Description
Tenmars TM-801 CO Meter
Included accessories: User’s manual, 6 x 1.5V ‘AAA’ batteries
Tenmars TM-802 CO Meter
Included accessories: User’s manual, USB cable, AC adapter and CD install disk.
Weight 1 kg


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