--- product_id: 173795891 title: "Magnetic Polarity Tester with ±5mT Sensitivity, One-Button Operation for Electric Motors/Coils/Magnets Assembly - LED N/S Detection Pen, Portable Gauss Meter with 10-Hour Battery" brand: "gltl" price: "€ 65.31" currency: EUR in_stock: true category: "Gltl" url: https://www.desertcart.pt/products/173795891-magnetic-polarity-tester-with-5mt-sensitivity-one-button-operation-electric store_origin: PT region: Portugal --- # 10-hour continuous battery life ±5mT ultra-sensitive detection Dual LED N/S polarity indicator Magnetic Polarity Tester with ±5mT Sensitivity, One-Button Operation for Electric Motors/Coils/Magnets Assembly - LED N/S Detection Pen, Portable Gauss Meter with 10-Hour Battery **Brand:** gltl **Price:** € 65.31 **Availability:** ✅ In Stock ## Summary > 🧲 Master Magnetic Polarity Like a Pro – Never Miss a Pole! ## Quick Answers - **What is this?** Magnetic Polarity Tester with ±5mT Sensitivity, One-Button Operation for Electric Motors/Coils/Magnets Assembly - LED N/S Detection Pen, Portable Gauss Meter with 10-Hour Battery by gltl - **How much does it cost?** € 65.31 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/173795891-magnetic-polarity-tester-with-5mt-sensitivity-one-button-operation-electric) ## Best For - gltl enthusiasts ## Why This Product - Trusted gltl brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Lasting Power:** Powered by a single AAA battery delivering over 10 hours of uninterrupted testing time. - • **Versatile Industrial Use:** Ideal for electric motor assembly, coil testing, magnetic clamping installation, and quality control. - • **Compact & Portable Design:** Slim 140x20x19mm form factor fits perfectly in your toolkit for on-the-go diagnostics. - • **Precision Magnetic Insight:** Detect magnetic polarity with ±5mT sensitivity for flawless motor and coil assembly. - • **Instant One-Button Operation:** Simplify your workflow with a single press to identify N or S poles instantly via LED signals. ## Overview The GLTL Magnetic Polarity Tester is a precision tool designed for professionals working with electric motors, coils, and magnets. Featuring ±5mT sensitivity and dual LED indicators for North/South pole detection, it offers quick, one-button operation. Its compact size and 10-hour battery life ensure reliable, portable performance for industrial assembly, error analysis, and quality control tasks. ## Description Magnetic Polarity Tester with ±5mT Sensitivity, One-Button Operation for Electric Motors/Coils/Magnets Assembly - LED N/S Detection Pen, Portable Gauss Meter with 10-Hour Battery: desertcart.com: Industrial & Scientific ## Features - Induction value: 0.005 tesla = 5 mT, Sensitivity: ± 5mT. - Applications:Pole detection of permanent and electro magnets.Post-magnetization polarity checks.Coil testing.Assistance with the following tasks:electric motor assembly,installation of magnetic clamping blocks, error analysis, multipole quality control. - Press and hold the oval button shown on the photo below. Then place the tip of the detector to the surface of the magnet.Sensitive area 6 * 3mm. - Display: 2 LED display，(green = S pole, red = N pole),If it is the "N" Pole,the Red LED will shine, if it's the "S" pole, the Green LED wil light. If surface of the magnet, ome can mote the transition from onE pole to another. - Use battery: 1X1.5V LR03 AAA battery （ included）(continuous use time > 10 hours). - Size: about 140 * 20 * 19mm,Sensitive area 6 * 3mm. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B082SF1TBN | | Best Sellers Rank | #337,910 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #180 in EMF Meters | | Brand Name | GLTL | | Color | Blue | | Customer Reviews | 4.6 4.6 out of 5 stars (14) | | Manufacturer | GLTL | | Measurement Type | Magnetic Flux Density | | Minimum Operating Voltage | 1.5 volts_of_direct_current | | Model | WT-60-565 | | Part Number | WT-60-565 | | Power Source | Battery Powered | | Style Name | Digital | | Unit Count | 1 Count | | Upper Temperature Rating | 80 °C | ## Product Details - **Brand:** GLTL - **Color:** Blue - **Min. Operating Voltage:** 1.5 volts_of_direct_current - **Power Source:** Battery Powered - **Style:** Digital ## Images ![Magnetic Polarity Tester with ±5mT Sensitivity, One-Button Operation for Electric Motors/Coils/Magnets Assembly - LED N/S Detection Pen, Portable Gauss Meter with 10-Hour Battery - Image 1](https://m.media-amazon.com/images/I/41i9V+93V+L.jpg) ## Frequently Bought Together - GLTL Magnetic Polarity Tester Polarity N/S Test Gauss Meter Magnetic Pole identifier N/S Detection Pen - Brady Nylon Cloth Label Tape for Label Printer M211 & M210 - Self Adhesive Nylon Fabric Tape - Waterproof Tape Printer Labels - Black on White (19.05mm x 4.88m) - M21-750-499 - Brady M210 Portable Label Printer - Labelling Device & Label Maker Handheld - Industrial Labelling Machine - incl. 1 Label Cartridge - replaces BMP21-PLUS --- ## 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/173795891-magnetic-polarity-tester-with-5mt-sensitivity-one-button-operation-electric](https://www.desertcart.pt/products/173795891-magnetic-polarity-tester-with-5mt-sensitivity-one-button-operation-electric) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-20*