LDTK-779 Precision Combustible Methane Propane Gas Leak Detector

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Gas Leak Detector is ideal for Industrial uses such as in gas furnaces and plant maintenance. Capable of detecting both propane and methane to high accuracy.  Features: Fast response & High Me...
$108.90 USD
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Gas Leak Detector is ideal for Industrial uses such as in gas furnaces and plant maintenance. Capable of detecting both propane and methane to high accuracy. 


  1. Fast response & High Methane sensitivity
  2. Precise detection of methane & propane gases
  3. Quick to pinpoint gas leaks
  4. Automatically calibrates at power on
  5. Auto power off function
  6. Less than 60sec warm-up time
  7. Quick response time, <10sec
  8. 5 level Single color LED display Sensitivity Lights
  9. Over 440mm long & flexible stainless gooseneck probe
  10. Built-in earphone jack
  11. Mute function
  12. Alarm and ready LED
  13. Acoustic intermittent beep
  14. Low battery warning
  15. Very reliable high-quality semiconductor sensor
  16. Battery operated
  17. Quick response with audible & visual indication



  • Range: 40 to 640ppm (Methane & Propane)
  • Sensitivity: 40ppm (Methane & Propane)
  • Sensor: Semiconductor
  • Response Time: < 10 seconds
  • Warm up time: < 60 seconds
  • Operation Temperature Range: -5 ~ 45°C
  • Auto Power Off: 10 minutes from power on
  • Power supply : 4pcs 1.5V AA batteries (preferably alkaline type) or 9V adaptor
  • Battery life: 14 hours (Continuous working)
  • Minimum Battery Voltage: 4.8V
  • Probe length: 447mm
  • Size: 175 x 70 x 38mm
  • Indicator: Intermittent beep (Acoustic) / LED (Visual)


Set Includes:

  • 1 x Gas Detector with Stainless flexible probe
  • 1 x English Operation manual
  • 4 x 1.5V AA Battery
  • Hard mold carrying case
  • Standard packaging box

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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