Loop Impedance Tester | 0.20Ω to 9999Ω Range | Bluetooth 4.0 & No-Trip Technology | MT355 by Majortech
The Loop Impedance Tester offers a 0.20Ω to 9999Ω measurement range and Bluetooth 4.0 connectivity—ideal for electrical testing and maintenance. Built for qualified electricians, it features No-Trip technology to prevent RCD tripping and ensures accurate PSC and PFC measurements.
Sign in
Please login to continue to your account.
Product Name/Title: Loop Impedance Tester | 0.20Ω to 9999Ω Range | Bluetooth 4.0 & No-Trip Technology | MT355 by Majortech
Brand: Majortech
SKU: MT355
Alternatively Known As: Earth Loop Impedance Tester, Loop Impedance Meter, PSC Tester, PSF Tester, RCD Loop Tester, Phase Rotation Tester
- Earth Resistance (Loop Method) Range: 0.20Ω – 9999Ω
- L-N Resistance Range: 0.20Ω – 9999Ω
- PSC/PFC Range: 0 – 2kA
- AC Voltage Range: 50V – 500V
- DC Voltage Range: 1V – 500V
- Frequency Range: 45Hz – 65Hz
- Bluetooth Version: 4.0
- Display: LCD
- Power Supply: 6 x AA batteries
- Dimensions (H x L x W): 50mm x 200mm x 95mm
- Weight: 0.7 kg
- No-Trip technology to avoid tripping RCDs during loop impedance tests
- TRIP test with high current <15A for accurate loop impedance measurement
- Automatic wiring status display
- Measures Loop Impedance, Prospective Short Circuit current (PSC), and Prospective Fault Current (PFC)
- Earth Resistance measurement using Loop method in L-PE No-Trip mode
- Automatic AC/DC voltage differentiation up to 500V
- Phase Rotation Test with clear sequence indication
- Bluetooth 4.0 for data transmission to Android and iOS apps
- Double moulded rubber case for heavy duty use
- Professional use by qualified electricians or electrical technicians is recommended to ensure accurate testing and compliance with safety standards.
- Electrical testing and maintenance
- Industrial and specialist electrical installations
- Verification of earth loop impedance and fault current measurements
- Phase rotation testing in electrical systems
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- AS/NZS 3112 – Plugs and Socket-Outlets (Type I Plug)
- AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
- Bluetooth data transmission reduces paper usage by enabling digital record keeping
- Accurate testing helps ensure electrical safety and energy efficiency in installations
Standard manufacturer warranty applies. Please refer to Majortech for specific warranty details.
The Majortech Loop Impedance PSC and PSF Tester MT355 is available now for immediate purchase. Ideal for industrial and specialist electrical testing applications.