--- product_id: 651481950 title: "CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5\" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN" brand: "cem" price: "5640.79 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/651481950-cem-t-ax-included-dt-6650-multifunction-installation-tester-3 store_origin: TN region: Tunisia --- # Fast high current loop test 3.5" TFT color LCD, 320x240 px Variable RCD current mode CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN **Brand:** cem **Price:** 5640.79 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power up your testing game with precision and speed! ## Quick Answers - **What is this?** CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN by cem - **How much does it cost?** 5640.79 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/651481950-cem-t-ax-included-dt-6650-multifunction-installation-tester-3) ## Best For - cem enthusiasts ## Why This Product - Trusted cem brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Vivid 3.5" Color Display:** Crystal-clear 320x240 TFT screen for effortless data reading and analysis. - • **Rapid High-Current Loop Testing:** Accelerate your workflow with lightning-fast loop impedance measurements. - • **Seamless Connectivity & Storage:** Supports SD card, USB, and Bluetooth for easy data transfer and archiving. - • **Safety-First Earth Volt Touchpad:** Instantly detects dangerous earth voltages above 50V to keep you protected. - • **Customizable RCD Current Settings:** Tailor RCD tests with variable current modes for precise diagnostics. ## Overview The CEMT.ax DT-6650 is a rugged multifunction installation tester featuring a sharp 3.5" TFT color display, fast high-current loop testing, and customizable RCD current modes. Designed for professional electricians, it includes advanced safety features like an Earth Volt Touchpad, supports multiple voltage measurements, and offers versatile connectivity options including SD, USB, and Bluetooth. IP67 rated for dust and water resistance, it ensures reliable performance in demanding environments. ## Description CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN ## Features - 3.5 in TFT color LCD display with 320 x 240 pixels Fast high current loop test - Variable RCD current mode for customized settings PASS/FAIL indication for RCD tests - Safe Earth Volt Touchpad detects raised earth voltages greater than 50 V, indicating potentially dangerous situations Select voltage measurement between L-N, L-PE, and N-PE - Support SD memory and USB and Bluetooth interface Internal Memory Slim probes designed with test button - IP67 protection from dust ingress and water Durable carry case included For easy, always reliable and accurate compensation of test leads and mains cords ## Product Details - **Brand:** CEM - **Power Source:** Battery Powered - **Style:** Digital - **Color:** Blue - **Min. Operating Voltage:** 8E+1 Volts ## Images ![CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN - Image 1](https://m.media-amazon.com/images/I/61ydJL0q8HL.jpg) ![CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN - Image 2](https://m.media-amazon.com/images/I/719IA15eBRL.jpg) ![CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN - Image 3](https://m.media-amazon.com/images/I/81OC1FFd-lL.jpg) ![CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN - Image 4](https://m.media-amazon.com/images/I/71Epyba4NdL.jpg) ![CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Loop impedance,RCD,PFG,PSC Support 400V TN - Image 5](https://m.media-amazon.com/images/I/81MbgHDPcjL.jpg) ## Frequently Bought Together - CEM T.ax Included DT-6650 Multifunction Installation Tester with 3.5" TFT Color LCD Display,Voltage,Insulation Resistance,Earth Resistance,Loop impedance,Earth Resistance,Loop impedance,RCD,PFG,PSC - Brady Authentic (M21-750-499) Multi-Purpose Nylon Label for General ID, Wire Marking, and Lab, Black on White- Designed for M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .75" W 16' L --- ## 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.tn/products/651481950-cem-t-ax-included-dt-6650-multifunction-installation-tester-3](https://www.desertcart.tn/products/651481950-cem-t-ax-included-dt-6650-multifunction-installation-tester-3) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-29*