FNIRSI MRT2050 250V–2500V Insulation Resistance Tester with AC/DC Voltage Measurement is a professional digital insulation resistance tester designed for electrical maintenance, power equipment testing, industrial inspection, and field diagnostics. It provides four insulation test voltages from 250V to 2500V, measures insulation resistance up to 200GΩ, and supports AC/DC voltage measurement, PI, DAR, timed measurement, comparison testing, automatic discharge, and data storage.
FNIRSI MRT2050 250V–2500V Insulation Resistance Tester with AC/DC Voltage Measurement Datasheet



| Specification | Value |
|---|---|
| Brand | FNIRSI |
| Model | MRT2050 |
| Product Type | Insulation Resistance Tester |
| Insulation Test Voltage | 250V / 500V / 1000V / 2500V |
| Insulation Resistance Range | 0.1MΩ to 200GΩ |
| 250V Resistance Range | 0.1MΩ to 2GΩ |
| 500V Resistance Range | 0.5MΩ to 5GΩ |
| 1000V Resistance Range | 3MΩ to 20GΩ |
| 2500V Resistance Range | 5MΩ to 200GΩ |
| Insulation Resistance Accuracy | ±(5% + 3 bits) |
| DC Voltage Range | 0 to ±1000V |
| AC Voltage Range | 30V to 750V |
| AC Voltage Frequency | 45Hz to 200Hz |
| Voltage Resolution | 1V |
| AC/DC Voltage Accuracy | ±(2% + 3 bits) |
| Test Short-Circuit Current | 1.5mA |
| Data Storage | Up to 100 Groups |
| Power Supply | 8 × AA 1.5V Batteries / DC 12V |
| Dimensions | 182 × 124 × 66mm |
| Weight | 684g |
Explore the FNIRSI Collection featuring advanced digital multimeters, oscilloscopes, signal generators, laser rangefinders, thermal cameras, USB testers, and precision electronic test equipment. Ideal for electronics engineers, technicians, makers, DIY enthusiasts, troubleshooting, circuit analysis, industrial maintenance, and professional measurement applications.
FNIRSI HRM-10 Battery Voltage Internal Resistance Tester
FNIRSI LCR-P1 Multifunction Transistor Capacitor Tester
FNIRSI LCR-ST1 Mini Smart Tweezer LCR SMD ESR Tester
FNIRSI DMC-100 DC AC Current Voltage Digital Clamp Multimeter
FNIRSI DMT-99 Intelligent Color Screen Digital MultiMeter
1 × FNIRSI MRT-2050 Insulation Resistance Tester
1 × Test Lead Set
1 × Red Alligator Clip
1 × Black Alligator Clip
1 × Storage Bag
1 × Instruction Manual
1 × Nylon Tape
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
If you receive a product damaged during shipment, please notify us within 3 days of receiving the product, supported by proper pictures and a description. Once our support team accepts the return, we will provide a replacement or a complete refund, including the return shipping cost.
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
We don’t accept returns for products damaged due to improper use. Moreover, we don’t accept returns if the ordered product is not suitable for a specific application. Please read the product specifications and datasheet carefully before placing an order. Returns are accepted only within 3 days from the date of delivery.
We ship all over India with free shipping on all prepaid orders above ₹500. For Cash on Delivery (COD) orders, ₹80 will be charged for orders below ₹599 and ₹30 for orders above ₹599.
For any questions related to shipping, please contact our support team at support@quartzcomponents.com.
Note: The minimum order value for COD orders is ₹500.