--- product_id: 338188893 title: "RT210" brand: "klein tools" price: "€ 37.24" currency: EUR in_stock: true reviews_count: 5 category: "Klein Tools" url: https://www.desertcart.pt/products/338188893-rt210 store_origin: PT region: Portugal --- # Detects wiring faults instantly 2m drop-tested durability UL & CSA certified safety RT210 **Brand:** klein tools **Price:** € 37.24 **Availability:** ✅ In Stock ## Summary > ⚡ Stay wired right, every time — don’t get left in the dark! ## Quick Answers - **What is this?** RT210 by klein tools - **How much does it cost?** € 37.24 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/338188893-rt210) ## 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 - • **Wide Operating Range:** Reliable performance from freezing 32°F to scorching 140°F environments. - • **Rugged Drop Resistance:** Survives 6.6-foot drops—built tough for demanding job sites. - • **GFCI Operation Verified:** Confirms ground fault device functionality for ultimate safety assurance. - • **Instant Fault Detection:** Pinpoint open ground, reverse polarity, and more with clear LED indicators. - • **Trusted Legacy Craftsmanship:** Backed by 160+ years of Klein Tools’ professional-grade quality. ## Overview The KLEIN TOOLS RT210 GFCI Receptacle Tester is a professional-grade device engineered to detect common wiring issues in standard and GFCI outlets. Featuring LED indicators and a handy diagnostic chart, it ensures quick, accurate fault identification including open ground, reverse polarity, and more. Certified to UL and CSA standards, it withstands 2-meter drops and operates reliably across a broad temperature range, making it an essential tool for electricians and serious DIYers committed to safety and precision. ## Description KLEIN TOOLS receptacle testers are designed to detect the most common wiring problems in standard and GFCI receptacles. A convenient chart on the tester helps determine wiring condition in outlet, based on LED lights results. Conditions indicated: open ground, reverse polarity, open hot, open neutral, hot/ground reversed. Detects the most common wiring problems in standard and GFCI receptacles. Works on gfi outlets and confirms operation of the ground fault protective device. Conforms to UL STD 1436, certified to CSA STD C22.2 #160. Built to withstand a 6.6-Foot (2M) drop. Operating temp: 32°F to 140°F (0°C to 40°C). nominal voltage: 110/125V AC at 50/60Hz in 3-wire outlet. 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. Review: Good to check any circuit. Review: Excelente - Muy útil ## Features - Detects the most common wiring problems In standard and GFCI receptacles - Works on gfi outlets and confirms operation of the ground fault protective device - Conforms to UL std 1436, certified to CSA std C22.2 #160 - Built to withstand a 6.6-Foot (2m) drop - Operating temp: 32-degrees F to 140-degrees F (0-degrees C to 40-degrees C) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01AKX8L0M | | Best Sellers Rank | #69,833 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #85 in Circuit Testers | | Brand | KLEIN TOOLS | | Brand Name | KLEIN TOOLS | | Color | Black/Orange | | Colour | Black/Orange | | Country Of Origin | China | | Customer Reviews | 4.8 out of 5 stars 8,879 Reviews | | Global Trade Identification Number | 00092644690273 | | Included Components | RT210 | | Item Dimensions | 13.5 x 9.7 x 3.8 centimeters | | Item Type Name | GFCI Receptacle Tester Klein Tools RT210 | | Item Weight | 1.9 Ounces | | Item dimensions L x W x H | 13.5 x 9.7 x 3.8 centimeters | | Item weight | 1.9 Ounces | | Manufacturer | Klein Tools | | Measurement Type | LCR Meter, Ohmmeter, Voltmeter, Multimeter, or Ammeter | | Minimum Operating Voltage | 50 Volts | | Model | RT210 | | Power Source | Corded Electric | | Power source | Corded Electric | | Specification Met | UL STD 1436, CSA STD C22.2 #160 | | Style | GFCI Testing | | Style Name | GFCI Testing | | UPC | 092644690273 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 140 Degrees Fahrenheit | ## Product Details - **Brand:** KLEIN TOOLS - **Colour:** Black/Orange - **Item weight:** 0.09 Pounds - **Power source:** Corded Electric - **Style:** GFCI Testing ## Images ![RT210 - Image 1](https://m.media-amazon.com/images/I/5143f577xkL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good to check any circuit. *by M***X on 5 October 2025* ### ⭐⭐⭐⭐⭐ Excelente *by Ó***A on 24 November 2025* Muy útil ### ⭐⭐⭐⭐⭐ Simple and reliable *by C***N on 16 March 2026* ## Frequently Bought Together - Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems - Fluke 1AC II VoltAlert Non-Contact Voltage Tester, Pocket-Sized, 90-1000V AC, Audible Beeper, 2 Year Warranty, CAT IV Rating, Packaging May Vary - Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/338188893-rt210](https://www.desertcart.pt/products/338188893-rt210) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-28*