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Megger MFT1741+ Multifunction Installation Tester

  • The newest 18th edition tester from Megger
  • Test electric vehicle charging points including 6 mA DC test*
  • Confidence meter for loop testing on noisy circuits
  • Full single and 3 phase compliant installation testing
  • FREE 3 year warranty (product registration required)
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£1,318.02 (ex VAT)

£1,581.62 (inc VAT)

Earn 1318 – 1446 points

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Megger MFT141+ Multifunction Tester

The MFT1741+ multifunction tester has been designed for testing single and three phase low voltage domestic, commercial and industrial electrical installations, providing all the tests required to complete the necessary electrical certification. All with an EN61010 Cat IV safety rating too. The MFT1741+ is suitable for testing both domestic fixed wiring installations and commercial fixed wire testing.

The NEW MFT1741+ adds the ability to test electric vehicle charge points, including the all-important 6 mA DC test. Used in conjunction with the EV adaptor, the user can carry out a full range of tests required for the installation of EV charge points.

Megger EV charging testing

Built to last and take the strains of everyday testing, the 1741+ is robust, featuring a large central back lit screen with test buttons situated either side for accessibility for both right and left handed users. Smooth single click rotary dials and large buttons make for easy operation even when wearing gloves. The unit is also IP54 rated, perfect for dusty environments and for the often unpredictable British weather!

The Megger 1741+’s new 3 wire loop impedance test uses a combination of test currents and measurement methods to eliminate RCD impedance uplift.

Overlaying the new non-trip loop impedance measurement is the new “confidence meter”. As loop impedance values can be dramatically affected by circuit noise, the Confidence Meter displays the degree of confidence in the accuracy of the measured loop impedance via an expanding and contracting arc.

How does the confidence meter arc work?

Circuits with low / no noise.
The display shows a full width analogue arc, consisting of 51 elements. At the start of the test all elements are displayed. The instrument will then check for any adverse electrical noise. If nothing is found the test sequence will terminate and display a final value. The arc closes to one centre element, indicating the maximum degree of confidence in the result.

Circuits with high noise / distortion.
On circuits where circuit noise is present on the supply the Confidence Meter will continue testing and refining its measurement. This is shown by the noise symbol to the left of the display appearing and the arc closing more slowly, pausing or even opening up again in high noise situations. When the confidence meter has refined its measurement, the arc will finally close to one element and the test will stop. The final displayed result may differ from the original quite significantly.

Extreme noise may cause the loop test measurement to continue for over a minute. In this case the tester will stop automatically and the size of the arc will indicate how good the meter believes the displayed value is.

The 1741+ also protects against accidental misuse, giving both visual and audible warnings if the unit detects voltages exist on the circuit. Testing will be inhibited to prevent serious damage. Also, save money on batteries as the 1741+ includes rechargeable batteries and charger, with a charge time of less than 4 hours.

Megger Multifunction Tester Series Comparison

MFT1711 MFT1721 MFT1741 MFT1741+
Earth Loop Impedance ranges Coventional 3-wire no-trip test L-PE
New algorithm 3-wire no-trip test L-PE
Confidence meter
Tests through 10 mA RCDs
Tests through 30 mA RCDs
L-N/L-E 48V to 280V, 45 Hz to 65 Hz
L-N/L-E 48V to 480V, 45 Hz to 65 Hz
Insulation resistance testing range 250V, 500V and 1kV test voltages
100V test voltage
Adjustable buzzer threshold
Continuity and resistance range 200mA test current for certification
15mA test current to prolong battery life
Auto start continuity test
Voltage, Frequency and phase rotation range 10V to 600V AC and DC
Frequency 15Hz to 400Hz
Phase Rotation
RCD testing range 10, 30, 100, 300, 500mA RCDs
1000mA RCDs
High Speed auto RCD test
Ramp test for RCD fault finding
Type A, type AC and Type S RCDs
Programmable RCDs
Type B RCDs
3 phase (no earth) RCDs
  6 mA dc test* for EV charge points
Earth electrode resistance range Stakeless or clamp on testing***
3-wire testing for fall of potential or 62% rule
Attached rod technique 3-pole testing
Option of 25V and 50V output
Ground noise check
Additional benefits Probe Incorporatin test button
Current measurement 0.1mA to 200A **
On-board recharging
On-board memory
Bluetooth downloading from memory or blobbing
Hard plastic carry case
Large soft carry case

* Requires optional Megger EVCA210-UK Electric vehicle charge-point adaptor

**Requires optional MCC1010

*** Requires optional MCC1010 and MVC1010

What’s included

  • Megger MFT1741+ Multifunction Tester
  • Printed quick start guide
  • Full user guide on CD
  • Calibration certificate
  • Switched probe SP5
  • Neck strap – Megger embroidered
  • Wire lead set with prods and clips
  • Mains plug test lead
  • Battery charger
  • Large soft pouch with extra storage


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