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DC Voltage: Range up to 1000 V; Resolution 1 V; Accuracy ±(1.0% rdg + 5d)
AC Voltage: Range up to 750 V; Resolution 1 V; Accuracy ±(1.0% rdg + 5d)
Continuity: Range up to 200 Ω; Resolution 0.1 Ω; Buzzer sounds when R < 50 Ω
Insulation Resistance Measurement
100V Test Voltage
0.10–20.00 MΩ; Resolution 0.01 MΩ; Accuracy ±(3% rdg + 5d)
20.0–200.0 MΩ; Resolution 0.1 MΩ; Accuracy ±(3% rdg + 5d)
0.200–1.000 GΩ; Resolution 0.001 GΩ; Accuracy ±(3% rdg + 5d)
250V Test Voltage
0.10–20.00 MΩ; Resolution 0.01 MΩ; Accuracy ±(3% rdg + 5d)
20.0–200.0 MΩ; Resolution 0.1 MΩ; Accuracy ±(3% rdg + 5d)
0.200–2.000 GΩ; Resolution 0.001 GΩ; Accuracy ±(3% rdg + 5d)
500V Test Voltage
1.00–20.00 MΩ; Resolution 0.01 MΩ; Accuracy ±(3% rdg + 5d)
20.0–200.0 MΩ; Resolution 0.1 MΩ; Accuracy ±(3% rdg + 5d)
0.200–2.000 GΩ; Resolution 0.001 GΩ; Accuracy ±(3% rdg + 5d)
2.00–20.00 GΩ; Resolution 0.01 GΩ; Accuracy ±(3% rdg + 5d)
1000V Test Voltage
3.00–20.00 MΩ; Resolution 0.01 MΩ; Accuracy ±(3% rdg + 5d)
20.0–200.0 MΩ; Resolution 0.1 MΩ; Accuracy ±(3% rdg + 5d)
0.200–2.000 GΩ; Resolution 0.001 GΩ; Accuracy ±(3% rdg + 5d)
2.00–20.00 GΩ; Resolution 0.01 GΩ; Accuracy ±(3% rdg + 5d)
20.0–100.0 GΩ; Resolution 0.1 GΩ; Accuracy ±(5% rdg + 5d)
2500V Test Voltage
5.00–20.00 MΩ; Resolution 0.01 MΩ; Accuracy ±(3% rdg + 5d)
20.0–200.0 MΩ; Resolution 0.1 MΩ; Accuracy ±(3% rdg + 5d)
0.200–2.000 GΩ; Resolution 0.001 GΩ; Accuracy ±(3% rdg + 5d)
2.00–20.00 GΩ; Resolution 0.01 GΩ; Accuracy ±(3% rdg + 5d)
20.0–200.0 GΩ; Resolution 0.1 GΩ; Accuracy ±(8% rdg + 5d)
DAR: Supported
PI: Supported
Data Hold: Supported
Timed Measurement: Supported
Comparison Function: Supported
MAX/MIN: Supported
Backlight: Supported
Low Voltage Indication: Supported
Buzzer: Supported
Auto Power Off: Supported
Battery Type: AA LR06 1.5V × 8
Backlight Display: Supported
Data Storage: Up to 99 records
Package Includes: Carrying case ×1, Main unit ×1, Test leads ×1 pair, Alligator clips ×1 pair
Auto Power Off: Supported
The Pro'sKit MT-4103 Insulation Resistance Tester is a professional device designed to ensure electrical safety in systems such as electrical installations, motors, transformers, and cables. With insulation resistance measurement up to 200 GΩ and a maximum test voltage of 2500V, it meets the requirements for inspection, maintenance, and quality evaluation in industrial electrical systems.
The device integrates multiple smart features, including Data Hold, timed measurement, comparison function, MAX/MIN display, low voltage indication, and auto power-off. Its large LCD screen with backlight ensures clear readings in all lighting conditions.
Notably, the Pro'sKit MT-4103 features a compact and durable design. It supports AC/DC voltage measurement and offers multiple insulation test voltage ranges (100V, 250V, 500V, 1000V, 2500V) with high accuracy, making it ideal for electrical engineers, maintenance technicians, and electrical/electronic laboratories.
