Megger MFT-X0: everything you need to know about Megger's new everyday tester
Tired of waiting for loop readings to settle and wasting time typing up certificates?
The newly released Megger MFT-X0 solves both.
With True Loop technology, a live Confidence Meter, and Bluetooth transfer to CertSuite Installation, it keeps your testing fast, accurate, and hassle-free.
MFT-X0 could be a perfect fit for your workload, or would the MFT-X1's additional functions be useful? Let's discover which tester is right for you...
Why your choice of multifunction tester matters
A good multifunction tester helps you obtain readings you can interpret confidently and record accurately.
Electrical noise is often a challenge when loop testing. Features that help assess measurement stability are therefore useful when readings fluctuate. Clear controls, connection guidance and direct results transfer also make a difference as you move between testing and certification.
What does the Megger MFT-X0 offer?
🔎 More confidence in loop readings
True Loop technology and Confidence Meter help produce stable, repeatable loop results, including on electrically noisy supplies.
The Confidence Meter shows measurement progress and the influence of noise. Typical non-trip test times are around seven seconds on quiet circuits, with timing dependent on conditions.
The X0 provides two-wire and three-wire non-trip testing, plus two-wire high-current testing. Where a neutral is available, the three-wire non-trip method gives a quicker, more accurate result than the two-wire non-trip method.
High existing circuit leakage can still cause an RCD to trip during a non-trip test.
🎛️ Core tests with useful control
The MFT-X0’s functions include:
- Insulation resistance: 100 V, 250 V, 500 V and 1,000 V settings, with stabilised output to keep the applied voltage close to the selected value
- Continuity: 200 mA and 10 mA settings, with an adjustable buzzer threshold
- RCD testing: Type AC, A and B devices, including selective variants, with configurable automatic sequences and ramp testing
- Voltage-drop calculation: using a reference loop value, Zref, and a circuit-current setting
Configurable RCD sequences let you select the tests relevant to the device and your testing requirements. As with any installation tester, correct voltage selection and circuit preparation remain essential.
Put configurable RCD testing to work on your next installation.
📱 Less retyping after testing
Bluetooth lets you send circuit-tagged results to CertSuite Installation on a compatible Android or iOS phone or tablet.
This reduces the need to copy readings manually into certification software and can help reduce transcription errors. Authorised colleagues can also access results through the cloud application.
Remember to budget for software: CertSuite Installation is offered as a monthly or yearly subscription. Bluetooth compatibility does not mean a paid licence is included with the tester.
🧤 Practical features for site work
The bonded colour TFT display includes a black-on-white mode for difficult lighting conditions. Rotary controls can be operated while wearing gloves, and graphical connection guidance is available on screen.
The IP54 enclosure provides protection against dust ingress and water splashes for everyday indoor and outdoor work. It should not be treated as a waterproof rating.
🔋 Flexible power and straightforward updates
The Megger MFT-X0 comes with a carrier and eight AA alkaline batteries. A rechargeable Li-ion pack and charger are optional accessories, allowing you to choose the power arrangement that suits your working routine.
The battery system supports tool-free changes, so the optional rechargeable Li-ion pack can be swapped without reaching for a screwdriver. Keeping a charged spare ready can help minimise interruptions on site, allowing you to get back to testing without waiting for a depleted battery to recharge.
Available firmware updates can also be installed by the user via microSD card, without returning the instrument for the update.
Why consider a Megger Multifunction Tester?
Megger's electrical testing history dates back to Sydney Evershed’s insulation tester in 1889, with the Megger trademark registered in 1903. Its wider heritage also includes the AVO Meter, introduced in 1923, alongside decades of development in insulation, cable and circuit-breaker testing.
That gives the Megger name more than 135 years of electrical testing heritage. For electricians choosing equipment today, this longstanding specialism is a meaningful part of the brand’s appeal: a history built around helping professionals measure, investigate and understand electrical systems, carried forward in the MFT-X0’s practical approach to installation testing.
For everyday site use, the MFT-X0 pairs its IP54 enclosure with a rugged, weather-resistant carry case, helping protect the instrument between jobs. True Loop technology and the Confidence Meter also help electricians judge when a reading has stabilised, giving practical reasons to value both Megger’s site-focused design and its measurement technology.
⚖️ Megger MFT-X0 vs MFT-X1
Equip your toolkit for insulation checks with four selectable test voltages.
Choosing a Megger Multifunction Electrical Tester comes down to the installations you work on and the functions you need.
This comparison covers the standard UK BS1363 packages:
Both kits include red, blue and green test leads, probes, clips and grabbers, a neck strap, carry case, quick-start guide and calibration certificate.
| Features |
Megger MFT-X0 |
Megger MFT-X1 |
| Insulation test voltages |
100, 250, 500 and 1,000 V |
Adds 50 V and variable 50–999 V |
| Loop testing |
Two/three-wire non-trip and two-wire high-current testing; 0.01 Ω resolution |
Same standard functions, plus 0.001 Ω high-current HR mode |
| Voltage-drop calculation |
✓ Included; requires Zref and circuit-current setting |
| RCD and dedicated EV functions |
AC, A, B and selective RCD types; configurable auto-sequence and ramp tests |
Same core RCD provision, plus dedicated EV sequences and 6 mA RDC testing; EVX100 interface optional |
| Earth-electrode testing |
Specialist earth modes are specified for X1/XE only |
Two/three-wire testing; ART requires optional MCC1010; stakeless testing requires optional MCC1010 and MVC1010 |
| External current-clamp measurement |
Dedicated mode specified for X1 only |
1 mA–300 A with optional MCC1010, according to the detailed specifications |
| Display and housing |
✓ Bonded colour TFT, black-on-white mode and IP54 enclosure |
| Results transfer and storage |
✓ Bluetooth to CertSuite Installation; onboard results capacity |
| Standard power supply |
Eight AA batteries and carrier; Li-ion pack and charger optional |
4,400 mAh Li-ion pack and charger included; AA carrier optional |
| Additional supplied accessories |
MSA1363 UK socket adaptor; SP5 probe and SIA10 adaptor optional |
SIA10 UK mains interface adaptor, SP5 switched probe and earth-test spikes/leads included |
| Safety rating and size |
CAT III 600 V / CAT IV 300 V; 274 × 96 × 143 mm; 1.57 kg instrument-only weight |
| Firmware updates |
✓ User updates via microSD |
| Data sheets |
Download MFT-X0 Data Sheet
|
Download MFT-X1 Data Sheet
|
Which model suits your work?
Shortlist the MFT-X0 if your work centres on domestic and small commercial installations and its core functions cover your testing needs. It offers True Loop, CertSuite connectivity and practical site features, with optional rechargeable power. It is the perfect multifunction tester for domestic electricians!
Shortlist the MFT-X1 if you need dedicated EV testing, earth-electrode methods, 50 V or variable insulation testing, external clamp-current measurement or 0.001 Ω loop resolution.
Compare the complete packages you need, including any optional clamps, interfaces and software.
❓ Frequently Asked Questions (FAQ)
Q1: Can the MFT-X0 test Type B RCDs?
A. Yes, Type B and selective Type B testing. (X1's has dedicated 6 mA RDC testing for EV applications).
Q2: Can I use it for EV charge-point work?
A. The X0 data sheet includes EV installations within its intended applications. However, dedicated EV sequences and 6 mA RDC tests are specified for the X1.
Discuss the charge point, protection arrangement and required tests with the friendly team at Acutest before choosing your equipment.
Q3: Does the MFT-X0 come with a rechargeable battery?
A. The standard X0 kit includes AA batteries and a carrier. The Li-ion battery pack and charger are optional accessories.
Q4: Is CertSuite included?
A. Bluetooth connectivity is included. CertSuite Installation is a subscription service. Ask for any software requirements or offers to be stated in your quotation.
Q5: Is a calibration certificate supplied?
A. Yes. Both standard UK kits list a calibration certificate. A UKAS calibration certificate is optional, so specify it if required.
📞 Find the right Megger MFT-X0 package
Your next Megger Multifunction Electrical Tester should match your workload and the way you record results.
Tell AcutestDirect about your typical installations, any EV or earth-electrode testing, and your preferred battery and software options.
Request a quotation or contact an AcutestDirect product specialist to discuss Megger MFT-X0 suitability, confirm your chosen package and check current availability.