--- product_id: 46812326 title: "Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50-10,000 ppm, Includes Pouch, Batteries" brand: "klein tools" price: "965.12 DT" currency: TND in_stock: true category: "Klein Tools" url: https://www.desertcart.tn/products/46812326-klein-tools-et120-gas-leak-detector-combustible-gas-leak-tester store_origin: TN region: Tunisia --- # 50-10,000 ppm wide detection range 85dB audible alert intensity 18-inch flexible gooseneck sensor Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50-10,000 ppm, Includes Pouch, Batteries **Brand:** klein tools **Price:** 965.12 DT **Availability:** βœ… In Stock ## Summary > πŸ”₯ Stay ahead of leaks with precision and power! πŸ› οΈ ## Quick Answers - **What is this?** Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50-10,000 ppm, Includes Pouch, Batteries by klein tools - **How much does it cost?** 965.12 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/46812326-klein-tools-et120-gas-leak-detector-combustible-gas-leak-tester) ## Best For - klein tools enthusiasts ## Why This Product - Trusted klein tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Smart Battery Saver:** Auto power-off after 10 minutes maximizes battery life so you’re always ready. - β€’ **Dual Sensitivity Modes:** Switch between high and low sensitivity to tailor detection to your job’s demands. - β€’ **Visual & Audible Alerts:** Five red LEDs plus a loud 85dB alarm keep you instantly informed of leaks. - β€’ **Ergonomic & Durable Design:** Comfort grip with over-molded body built to endure tough professional environments. - β€’ **Precision Detection at Scale:** Detect combustible gases from 50 to 10,000 ppm for unmatched versatility. ## Overview The Klein Tools ET120 Gas Leak Detector offers HVAC pros a robust, easy-to-use solution with a wide detection range of 50-10,000 ppm, adjustable sensitivity, and clear visual and audible alerts. Its 18-inch flexible gooseneck and ergonomic design ensure access and comfort on the job, while smart battery-saving features keep it ready when you need it most. Trusted craftsmanship from a family-owned brand since 1857 guarantees professional-grade durability and performance. ## Description The ET120 is it the perfect choice for HVAC professionals. It is an easy-to-use tester that provides audible and visual alarms in the presence of methane, propane and other combustible gases at concentrations as low as 50 ppm. It features two levels of sensitivity depending on users' needs: High (approximately 50 to 1000 ppm) and Low (approximately 1,000 to 10,000 ppm). For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857. ## Features - WIDE DETECTION RANGE: Detect gas concentrations from approximately 50 to 10,000 ppm* (*based on Methane) for versatile gas monitoring - ADJUSTABLE SENSITIVITY: Choose between High (50 to 1000 ppm) and Low (1000 to 10,000 ppm) sensitivity levels for accurate gas detection - ENHANCED VISUAL AND AUDIBLE ALERTS: Stay alerted with five red LED's (visual) and 85dB audible alerts that intensify as gas concentration increases - EASY CALIBRATION: Automatic zero-point calibration at power-up ensures accuracy; flashing lights during self-calibration, no gas presence indicated - FLEXIBLE GOOSENECK DESIGN: Expand the sensor's reach with the 18-inch flexible gooseneck that conveniently clips onto the meter for storage - COMFORTABLE AND DURABLE: Over-molded body provides a comfortable grip for prolonged use and is designed to withstand demanding environments - BATTERY SAVING FEATURE: Auto power-off after 10 minutes of non-usage conserves battery life, ensuring long-lasting operation ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074NBJ8XP | | Alarm | Audible | | Best Sellers Rank | #28,339 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #23 in Gas Detectors & Alarms | | Brand | KLEIN TOOLS | | Built-In Media | Batteries, Carrying Pouch | | Color | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (1,872) | | Enclosure Material | Blend | | Global Trade Identification Number | 00092644690648 | | Item Dimensions D x W x H | 1.79"D x 2.71"W x 28.3"H | | Item Type Name | Combustible Gas Leak Detector | | Item Weight | 13 ounces | | Manufacturer | Klein Tools | | Manufacturer Warranty Description | Please refer to attached warranty document. | | Mfr Part Number | ET120 | | Model Number | ET120 | | Number of Items | 1 | | Operating Humidity | 85 percent | | Power Source | Battery Powered | | Product Style | Standard | | UPC | 092644690648 | | Unit Count | 1 Count | ## Product Details - **Alarm:** Audible - **Brand:** KLEIN TOOLS - **Color:** Black - **Global Trade Identification Number:** 00092644690648 - **Item Weight:** 13 ounces - **Material:** Blend - **Operating Humidity:** 85 percent - **Power Source:** Battery Powered - **Product Dimensions:** 1.79"D x 2.71"W x 28.3"H - **Style:** Standard ## Images ![Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50-10,000 ppm, Includes Pouch, Batteries - Image 1](https://m.media-amazon.com/images/I/518x8T44SuL.jpg) ## Questions & Answers **Q: Does this detect hydrogen sulfide?** A: you will have to call them. 1-800-553-4676. I was unable to find any info. methane, butane and propane and others* but that doesnt say H2S specifically. **Q: Can it be used for car?** A: It will detect gasoline fumes but is not a carbon monoxide detector. **Q: Will this detect hydrogen** A: No **Q: Will it work for r290 refrigerant?** A: Although I have never tried it on refrigerant. The unit is made to detect combustible gasses. As is stated in the specs. ## Frequently Bought Together - Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries - Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/46812326-klein-tools-et120-gas-leak-detector-combustible-gas-leak-tester](https://www.desertcart.tn/products/46812326-klein-tools-et120-gas-leak-detector-combustible-gas-leak-tester) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-12*