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Megger MFT1845 Plus Multifunction Tester
Megger MFT1845+ Multifunction Tester
The Megger MFT1845+ Multifunction Installation Tester is a state-of-the-art upgrade from its predecessor, the MFT1845. This advanced model excels in performing fully automatic tests on 6mA DC differentials, making it an essential tool for low-voltage testing in domestic, commercial, and industrial electrical installations. Additionally, the MFT1845+ complies with the ITC-52 standard, enabling compliance testing for electric vehicle charging stations (EVCE).
One of the major advancements in the MFT1845+ is its advanced loop testing technology. This feature is essential when traditional high-current loop testing is impractical due to differentials. The tester uses innovative anti-trip technology to provide highly accurate loop test measurements, even in environments with electrical noise and harmonics that usually distort results. The patented 'Confidence Meter' on the MFT1845+ enhances measurement reliability. This unique ARC screen indicator reduces the need for retests by displaying the dependability of loop test results in real-time.
Megger MFT1845+ Key Features
- Testing of Electric Vehicle Charge Points*
- TrueLoop™ Enhanced non-trip loop impedance measurement technology
- Full single and 3 phase compliant installation testing
- 10 mA to 1 A single and 3 phase RCD testing
- Simple colour-coded test selection
- Ambidextrous operation
- Internal memory and Bluetooth® communications
Megger MFT 1845+ Specifications
| Parameter | Details |
| Output Voltage | -0% +20% at rated load or less |
| Voltage Display | ±3% ±3 digits ±0.5% of rated voltage |
| Short Circuit Current | 1.5 mA nominal |
| Test Current | 1 mA at minimum pass values of insulation |
| Earth/Ground Test | |
| Resolution | 0.01 Ω |
| Current | 0.45 mA or 4.5 mA |
| Noise Rejection | 20 V pk/pk (7 V rms) |
| Stakeless Method | (1.00 Ω ~ 199 Ω) ±7.0% ±5 digits |
| Ramp Test | |
| Touch Voltage (0 ~ 253 V) | +5% +15% ±0.5 V |
| Trip Time | ±1% ±1 ms |
| Trip Current | ±3% |