--- product_id: 2356188 title: "M500 Electronic Megohmmeter, Insulation Tester, 0 to 1000 Megohms, for HVAC, Refrigerator Compressors, Motors, Portable Appliances, Relay Circuits, with Soft Carrying Case, Black" brand: "supco" price: "VT38666" currency: VUV in_stock: true reviews_count: 8 category: "Supco" url: https://www.desertcart.vu/products/2356188-m500-electronic-megohmmeter-insulation-tester-0-to-1000-megohms-hvac store_origin: VU region: Vanuatu --- # 500 VAC test voltage 0-1000 megohms range handheld with soft carry case M500 Electronic Megohmmeter, Insulation Tester, 0 to 1000 Megohms, for HVAC, Refrigerator Compressors, Motors, Portable Appliances, Relay Circuits, with Soft Carrying Case, Black **Brand:** supco **Price:** VT38666 **Availability:** ✅ In Stock ## Summary > ⚡ Diagnose with confidence, wherever the job takes you! ## Quick Answers - **What is this?** M500 Electronic Megohmmeter, Insulation Tester, 0 to 1000 Megohms, for HVAC, Refrigerator Compressors, Motors, Portable Appliances, Relay Circuits, with Soft Carrying Case, Black by supco - **How much does it cost?** VT38666 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/2356188-m500-electronic-megohmmeter-insulation-tester-0-to-1000-megohms-hvac) ## Best For - supco enthusiasts ## Why This Product - Trusted supco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Insight:** Zone scale indicator quickly reveals insulation condition, saving you time and guesswork. - • **Compact & Convenient:** Handheld size with integrated test lead storage keeps your workspace clutter-free. - • **Power When You Need It:** Operates on 2 C batteries (not included) for cordless freedom during critical inspections. - • **Built for Field Toughness:** Impact-resistant design paired with a soft carrying case ensures durability on the go. - • **Precision at Your Fingertips:** Accurately measures insulation resistance up to 1000 megohms for reliable diagnostics. ## Overview The Supco M500 Insulation Tester is a rugged, handheld megohmmeter designed for fast, accurate insulation resistance testing up to 1000 megohms at 500 VAC. Featuring a zone scale for quick condition assessment, impact resistance, and a soft carrying case with integrated test lead storage, it’s the essential tool for professionals troubleshooting motors, compressors, and electrical panels. Battery powered for portability, it’s a cost-effective alternative to pricier models without sacrificing precision. ## Description An inexpensive alternative to expensive taut band (swing needle) me ohmmeters, the M500 provides fast and accurate measurements to verify the condition of insulation. Impact resistant. Soft carrying case included. Measurement/function - insulation resistance. Range - 0 to 1000 me ohms. Applications: Test motor winding insulation and diagnose heat damaged, deteriorating insulation in hermetic refrigeration compressors, appliances, panel boards, relay control circuits, motors. ## Features - Measure insulation values up to 1000 me ohms at 500 VAC - Zone scale to indicate insulation condition - Hand held - Test Leads store in case - Operates on 2 C batteries (not included) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004OMAWIA | | Best Sellers Rank | #21,001 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Insulation Resistance Meters | | Brand | Supco | | Brand Name | Supco | | Color | Black | | Customer Reviews | 4.6 out of 5 stars 1,558 Reviews | | Global Trade Identification Number | 00687152021116 | | Item Dimensions | 9.3 x 6 x 1.8 inches | | Item dimensions L x W x H | 9.3 x 6 x 1.8 inches | | Manufacturer | Supco | | Measurement Type | Ohmmeter | | Min. Operating Voltage | 500 Volts (AC) | | Minimum Operating Voltage | 500 Volts (AC) | | Model | M5462 | | Part Number | M500 | | Power Source | Battery Powered | | Style | Electronic | | Style Name | Electronic | | UPC | 687152021116 696738035638 094700775078 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 120 Degrees Fahrenheit | ## Product Details - **Brand:** Supco - **Color:** Black - **Item dimensions L x W x H:** 9.3 x 6 x 1.8 inches - **Power Source:** Battery Powered - **Style:** Electronic ## Images ![M500 Electronic Megohmmeter, Insulation Tester, 0 to 1000 Megohms, for HVAC, Refrigerator Compressors, Motors, Portable Appliances, Relay Circuits, with Soft Carrying Case, Black - Image 1](https://m.media-amazon.com/images/I/91l8NQ5Jp5L.jpg) ## Available Options This product comes in different **Pattern** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***N on November 24, 2025* ### ⭐⭐⭐⭐⭐ Review *by M***E on February 20, 2026* ### ⭐⭐⭐⭐⭐ Review *by M***N on June 23, 2025* ## Frequently Bought Together - Supco M500 Insulation Tester/Electronic Megohmmeter with Soft Carrying Case, 0 to 1000 megohms Black - Supco Tradefox Jumper King Bypass Low Voltage Thermostat to Activate The Circuit - Supco MFD10 Digital Capacitor Tester with LED Display, 0.01 to 10000mF Range, 5% Accuracy --- ## 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.vu/products/2356188-m500-electronic-megohmmeter-insulation-tester-0-to-1000-megohms-hvac](https://www.desertcart.vu/products/2356188-m500-electronic-megohmmeter-insulation-tester-0-to-1000-megohms-hvac) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-13*