FNIRSI MRT-1050 – 1000V 20GΩ Insulation Resistance Tester + AC/DC Voltage Measurement + Auto Discharge
The FNIRSI MRT-1050 is a professional 3-in-1 megohmmeter combining insulation resistance measurement, AC/DC voltage testing, and safety diagnostics. Capable of measuring insulation up to 20 GΩ at up to 1000 V test voltage, it is ideal for industrial, electrical, and field use. Featuring automatic discharge after testing, a clear LCD display, and compact body, it ensures precision, safety, and convenience in every measurement.
Key Features
- ● Measures AC/DC voltage up to 1000 V
- ● Insulation resistance up to 20 GΩ (100 V / 250 V / 500 V / 1000 V test voltages)
- ● Automatic discharge function for safety
- ● Measurement accuracy ±(2% + 3 digits)
- ● Dual power supply: 8× AA 1.5 V or DC 12 V
- ● Large backlit LCD screen for clear reading
- ● Compact and lightweight (684 g), ideal for field use
Technical Specifications
| Parameter |
Value |
| Model |
MRT-1050 |
| Power supply |
8× AA 1.5 V / DC 12 V |
| Dimensions |
182 × 124 × 66 mm |
| Weight |
≈ 684 g |
| DC voltage range |
0 – 1000 V |
| AC voltage range |
30 – 750 V (45–200 Hz) |
| Resolution |
1 V |
| Accuracy |
± (2% + 3 digits) |
Insulation Resistance Measurement Range
| Test Voltage |
Measurement Range |
| 100 V |
0.1 MΩ – 200 MΩ |
| 250 V |
0.1 MΩ – 2 GΩ |
| 500 V |
0.5 MΩ – 5 GΩ |
| 1000 V |
3 MΩ – 20 GΩ |
Package Includes
- ● FNIRSI MRT-1050 main unit
- ● Test leads × 2
- ● Alligator clips × 2
- ● Carrying case
- ● Nylon strap
- ● User manual