COTK-1 Carbon Monoxide CO Detector Meter Tester 0~999 ppm

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 Features: Dual display: Current CO & Max CO value Auto zero and Auto/Manual calibration 2-point CO calibration Reduced influence of Various interference gasses Low battery indicator Backlight...
$48.30 USD
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  1. Dual display: Current CO & Max CO value
  2. Auto zero and Auto/Manual calibration
  3. 2-point CO calibration
  4. Reduced influence of Various interference gasses
  5. Low battery indicator
  6. Backlight
  7. Auto/Manual power off
  8. Selectable °C/°F
  9. Self-Test Function after power on, testing the sensor and circuit condition
  10. Overflow and underflow value indication
  11. CE marking


  • Measuring Range: 0~999ppm
  • Accuracy: ±20% at 0~100ppm
    • Accuracy ±15% at 101~500ppm
    • Accuracy (at 20±5°C , 50±20%RH)
  • Resolution: CO2 (1ppm) / Air Temp. (0.1°C / 0.1°F) / Air RH% (0.1%RH)
  • Response Time: within 60sec
  • Working Environment
    • Temperature: -10 ~ 60°C
    • Humidity: 5~99% RH (no condensation)
  • Storage Environment
    • Temperature: -40 ~ 70°C
    • Humidity: 0~95%RH (avoid condensation)
  • Power Supply: 3 x AAA alkaline batteries
  • Power Supply: (about 250hrs when backlight is off and 35hrs backlight is on)
  • Dimension: 175 x 47 x 28mm
  • Weight: approx. 120g

Set Includes :

  • 1x Carbon Monoxide CO Meter
  • 3 x AAA alkaline batteries
  • 1 x English Instruction Manual
  • 1 x Wrist Strap
  • 1 x Carrying Pouch

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund in the same payment form used at the time of purchase within four weeks of giving your package to the return shipper. This time period includes the transit time for us to receive your return from the shipper, the time it takes us to process your return once we receive it, and the time it takes for the refund to be credited to your account.

For more information, please refer to our Return, Refund & Warranty Policy or contact us.

Shipping Policy

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

For more information, please refer to our Shipping Policy.

Warranty Policy

Most of our items come with 1 year warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.

The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.

For more information, please refer to our Warranty Policy.

1-Year Warranty
30-Day Returns
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