--- product_id: 151370056 title: "VAD78 Digital Insulation Resistance Tester - Accurate Megohm Meter for DC/AC Voltage Testing (20-1500V, 20-750V) and Resistance Measurement (0-5000 Megohms)" brand: "leagy" price: "₨75353" currency: LKR in_stock: true reviews_count: 8 category: "Leagy" url: https://www.desertcart.lk/products/151370056-vad78-digital-insulation-resistance-tester-accurate-megohm-meter-for-dc store_origin: LK region: Sri Lanka --- # 20-1500V DC & 20-750V AC range 0-5000 MΩ ultra-wide resistance range Dual power: battery & DC12V adapter VAD78 Digital Insulation Resistance Tester - Accurate Megohm Meter for DC/AC Voltage Testing (20-1500V, 20-750V) and Resistance Measurement (0-5000 Megohms) **Brand:** leagy **Price:** ₨75353 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your precision — test smarter, not harder! ## Quick Answers - **What is this?** VAD78 Digital Insulation Resistance Tester - Accurate Megohm Meter for DC/AC Voltage Testing (20-1500V, 20-750V) and Resistance Measurement (0-5000 Megohms) by leagy - **How much does it cost?** ₨75353 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/151370056-vad78-digital-insulation-resistance-tester-accurate-megohm-meter-for-dc) ## Best For - leagy enthusiasts ## Why This Product - Trusted leagy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety-First Design:** Audible high voltage alarms and quick 1-second automatic discharge protect you during critical electrical testing. - • **Ergonomic & Portable:** Strap holes and included neck strap let you keep your tester handy and ready, perfect for on-the-go professionals. - • **Smart Power Management:** Automatic shutoff after 15 minutes of inactivity plus low battery alerts keep you powered and efficient on the job. - • **Bright Backlit LCD Display:** Large, high-definition screen with backlight ensures clear readings even in dim or dark environments—never miss a detail. - • **Precision Voltage & Resistance Testing:** Accurately measure insulation resistance up to 5GΩ and voltages from 20V to 1500V for professional-grade diagnostics. ## Overview The LEAGY VAD78 Digital Insulation Resistance Tester is a versatile, professional-grade megohm meter designed for accurate DC/AC voltage and insulation resistance measurements. Featuring a wide voltage range (20-1500V DC, 20-750V AC), resistance up to 5000 MΩ, a bright backlit LCD, dual power options, and safety alarms, it’s ideal for electricians and maintenance pros who demand reliability and efficiency in any environment. ## Description LEAGY VAD78 Digital Insulation Resistance Tester - Accurate Megohm Meter for DC/AC Voltage Testing (20-1500V, 20-750V) and Resistance Measurement (0-5000 Megohms) : desertcart.co.uk: DIY & Tools Review: LEAGY VAD78 Digital Insulation Resistance Tester - Great product with the means to test voltages and Insulation resistance, something that an ordinary multi meter isn't caplable of. I haven't had a chance yet to test all of it's functions, but I will do at some point. Review: Good value - Quite good value for a mega-ohm meter used to check insulation on wiring or for fault finding on wiring. Easy to use. ## Features - The insulation resistance tester features voltage measurement range from 250V to 1000V, resistance range from 0.1MΩ to 5GΩ, DC voltage range from 20 to 1500V, and AC voltage range from 20 to 750V (45~1kHz). It has range selection, data hold function, and accurate reading, which meets the needs of electricity and household maintenance. - Large LCD screen with backlit display, high-definition LCD display, maximum display of 9999, clear and uniform characters, with unit symbols displayed. Backlight allows for use in low light or dark environments. The backlight can be turned on or off, providing energy-saving options. - The instrument can be powered by both batteries and an external power source through a DC12V power adapter jack. With the adapter, there's no need to worry about running out of power. - Low battery warning display, the instrument will automatically power off after 15 minutes of inactivity. With long battery life and an audible alarm when high voltage output is detected, safety and efficiency are ensured. The short-circuit current is ≥1mA. The automatic discharge time when the test is disconnected is 1 second. - Suitable for various environments: The LEAGY VAD78 insulation resistance tester with a strap design, has strap holes on both sides of the instrument, which can be hung around the neck for operation. The accessory includes a strap. - LEAGY VAD78 Insulation Tester is widely used for measuring the insulation resistance of electrical equipment and insulation materials, such as transformers, motors, cables, switches, and appliances, as well as for maintenance, testing, and validation of various electrical equipment. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00O14LDKW | | Best Sellers Rank | 425,867 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,038 in Multi Testers | | Brand | LEAGY | | Colour | Black | | Compatible Devices | Electrical Equipment & Appliances | | Customer Reviews | 4.5 out of 5 stars 338 Reviews | | Item Dimensions | 10.4 x 7.1 x 16.5 centimetres | | Item Weight | 1.4 Pounds | | Item dimensions L x W x H | 10.4 x 7.1 x 16.5 centimetres | | Item weight | 1.4 Pounds | | Manufacturer | LEAGY | | Manufacturer Part Number | VAD78 | | Maximum Operating Voltage | 750 Volts | | Measurement Type | Resistance | | Minimum Operating Voltage | 20 Volts | | Model Number | VAD78 | | Number of Items | 1 | | Power Source | Adapter,Electricity | | Power source | Adapter , Electricity | | Specification Met | CE | | Style | Modern | | Style Name | Modern | | UPC | 705554036757 798167982467 | | Unit Count | 1.0 count | | Upper Temperature Rating | 40 Degrees Celsius | ## Product Details - **Brand:** LEAGY - **Colour:** Black - **Item weight:** 1.4 Pounds - **Power source:** Adapter,Electricity - **Style:** Modern ## Images ![VAD78 Digital Insulation Resistance Tester - Accurate Megohm Meter for DC/AC Voltage Testing (20-1500V, 20-750V) and Resistance Measurement (0-5000 Megohms) - Image 1](https://m.media-amazon.com/images/I/71a2y2xqDCL.jpg) ## Questions & Answers **Q: Would this be suitable to do an insulation test on an oven element?** A: yes ## Customer Reviews ### ⭐⭐⭐⭐⭐ LEAGY VAD78 Digital Insulation Resistance Tester *by K***M on 21 April 2026* Great product with the means to test voltages and Insulation resistance, something that an ordinary multi meter isn't caplable of. I haven't had a chance yet to test all of it's functions, but I will do at some point. ### ⭐⭐⭐⭐⭐ Good value *by A***N on 10 October 2021* Quite good value for a mega-ohm meter used to check insulation on wiring or for fault finding on wiring. Easy to use. ### ⭐⭐⭐ Nice meter - BUT NOT NEW *by A***R on 26 August 2024* This appears to be a nice little meter for the price however .......... Disappointed - As this meter shows signs of use/box opening. Also had a mixture of different batteries in the box? Unable to message seller on this? ## Frequently Bought Together - LEAGY VAD78 Digital Insulation Resistance Tester - Accurate Megohm Meter for DC/AC Voltage Testing (20-1500V, 20-750V) and Resistance Measurement (0-5000 Megohms) - ATOPLEE 3 Phase Sequence Presence Rotation Tester Indicator Detector Meter with LED and Buzzer 60V~600V (3 Phase AC) - Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resistance, 125V/250V/500V/1000V, Auto-Ranging TRMS Multimeter --- ## 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.lk/products/151370056-vad78-digital-insulation-resistance-tester-accurate-megohm-meter-for-dc](https://www.desertcart.lk/products/151370056-vad78-digital-insulation-resistance-tester-accurate-megohm-meter-for-dc) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-09-29*