ALVA MFT - Installation Multifunction Tester
Automation | Innovation | Affordability
ALVA MFT - Installation Multifunction Tester
Di-LOG ALVA MFT โ The Future of Electrical Testing
Introducing the Di-LOG ALVA MFT Installation Multifunction Tester, a next-generation MFT designed to transform electrical testing. Built to meet the latest industry requirements, the ALVA MFT is fully compliant with BS EN 61557 which ensures exceptional safety, precision, and reliability for professional electricians.
Designed for accuracy and ease of use, the ALVA MFT features a vivid full-colour TFT display with interactive controls, allowing users to set pass/fail conditions effortlessly. It supports a full range of RCD types, including AC, A, B, B+, EV and F, making it a versatile solution for modern electrical installations.
The ALVA MFT Installation Multifunction Tester simplifies testing with automated Continuity & Earth Loop Auto Start, accompanied by a secondary display for recorded results. Its intelligent 2/3 wire high-current loop detection eliminates the need for manual selection, automatically identifying whether a 2-wire or 3-wire Loop/PSCC measurement is being conducted.
Di-LOG ALVA MFT Multifunction Tester Key Features
- Full-Colour TFT Display: High-contrast screen with interactive pass/fail settings for intuitive operation.
- Fully Automated: Continuity & Earth Loop Auto Start with secondary display for recorded results.
- Intelligent 2/3 Wire High-Current Loop Detection: Automatically identifies 2-wire or 3-wire Loop/PSCC measurement, eliminating manual selection errors.
- Dynamic Non-Trip Loop: RCD-LOC+, our latest Xpert Loop Technology delivers high-accuracy, low-current Earth Loop with an adjustable test current feature to optimise the test accuracy based on your RCD current.
- Full Range RCD Type: required for fault finding supporting โ AC, A, B, B+, 6mA EV and F
- Variable RDC Test: allows users to set custom mA values when required.
- Insulation Test with Bargraph: with selectable voltages of 50V, 100V, 250V, 500V & 1000V with adjustable pass/fail values
- 3-Phase: Line-Line Impedance with dynamic phase rotation indication.
- Rechargeable Capability (Optional Kit Required): The ALVA MFT includes an inbuilt charging facility when used with the optional NiMH battery and charge lead kit, allowing convenient charging and longer operation without regular battery changes.
- On-screen Help: a visual aid to assist test lead configuration and instruction
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• RCD-LOC+ Dynamic Xpert Loop Technology
• Auto Start Loop, PSC/PFC & Continuity
• Auto RCD Test with AC/A, EV, B, B+, F & Selective RCDs
• 1000V Insulation Test
• TFT LCD Colour Screen
• Optional Remote Test Probe & NiMH Rechargeable Batteries
• Hard Shell Carry Case
Visit the ALVA webpage for more information on the Complete ALVA Range:
ALVA Series MFT and EV Range Product Page.
This handy feature streamlines testing without the need to press the test button. In addition, the ALVA MFT has a secondary display for recorded results, improving efficiency and workflow
Visit the product webpage for more information on the ALVA Series MFT
click here to view the ALVA Series Product Page.
The ALVA MFT Supports all major RCD types, including AC, A, B, B+, EV, F, and 6mA RDC-PD/MD, catering to a wide range of installations, including EV chargers.
Visit the product webpage for more information
click here to visit the ALVA Series Product Page.
RCD-LOC+, our latest Xpert Loop Technology delivers high accuracy low-current Earth Loop with an adjustable test current feature to optimise the test accuracy based on your RCD current.
Visit the product webpage for more information
click here to view tha ALVA Series Product Page.
For enhanced customisation, the variable RDC test feature enables users to dial in bespoke mA values, ensuring greater flexibility across different testing scenarios. The ALVA MFT also includes 6mA RDC-PD/MD testing, allowing electricians to safely and accurately verify the performance of EVSE chargers as part of electric vehicle infrastructure installations.
Additionally, the ALVA MFT is equipped with inbuilt fuse tables, which indicate the maximum permitted Zs Loop values when carrying out Earth Loop Impedance testingโhelping electricians maintain compliance with industry safety standards.
Whether working on domestic, commercial, or industrial installations, this state-of-the-art tester delivers outstanding value and uncompromising accuracy. Designed for compliance, efficiency, and reliability, the ALVA MFT is the ultimate solution for professionals seeking affordable next-generation electrical testing.
Upgrade your testing experience with the Di-LOG ALVA MFTโprecision, reliability, and compliance in one powerful device.

Specifications
ALVA MFT Specifications |
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|---|---|---|
Measurement Range | Resolution | Basic Accuracy |
Voltage & Frequency |
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| AC Voltage TRMS 0V - 550V | 1V | ยฑ2% ยฑ 2 dgts |
| DC Voltage 0V - 550V | 1V | ยฑ2% ยฑ 2 dgts |
| Frequency 10 - 499Hz | 0.1Hz | ยฑ0.2% ยฑ 1 dgts |
Phase Rotation |
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0V - 550VMeasurement range BS EN 61557-7 | Right:1-2-3 ; Left: 3-2-1 | |
Continuity |
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| Low R (200mA) | 0.01ฮฉ - 19.99ฮฉ 20.1ฮฉ - 99.9ฮฉ 100ฮฉ - 1999ฮฉ | ยฑ3% ยฑ 3 dgts ยฑ5% ยฑ 5 dgts ยฑ5% ยฑ 5 dgts |
Insulation |
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50V, 100V & 250V(50kฮฉ-80Mฮฉ @ 50V | 100kฮฉ-199.9Mฮฉ @ 100V & 250V) | <0.01Mฮฉ - 19.999Mฮฉ 19.99Mฮฉ - 99.99Mฮฉ 20.0Mฮฉ - >199.9Mฮฉ | ยฑ5% ยฑ 3 dgts ยฑ5% ยฑ 3 dgts ยฑ5% ยฑ 5 dgts |
500V & 1000V(500kฮฉ-199.9Mฮฉ @ 500 & 1000V) | <0.01Mฮฉ - 19.999Mฮฉ 19.99Mฮฉ - 99.99Mฮฉ 20.0Mฮฉ - >199.9Mฮฉ 200Mฮฉ - >999Mฮฉ | ยฑ5% ยฑ 3 dgts ยฑ5% ยฑ 3 dgts ยฑ5% ยฑ 5 dgts ยฑ10% |
Line Impedance (L-L | L-N) |
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0.20ฮฉ - 9999ฮฉMeasurement range BS EN 61557-3 is 0.25ฮฉ - 1999ฮฉ | 0.01ฮฉ - 19.99ฮฉ 20.0ฮฉ - 99.9ฮฉ 100ฮฉ - 9999ฮฉ | ยฑ5% ยฑ 5 dgts |
Perspective Short Circuit Current (PSC) |
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| 0.00A - 19.99A 20.0A - 99.9A 100A - 999A 1.00kA - 9.99kA 10.0kA - 100.0kA | 0.01A 0.1A 1A 0.01kA 0.1kA | Calculated value taking into account the Earth Loop Accuracy of ยฑ5% ยฑ 5 dgts |
Earth Fault Loop Impedance (Z-loop L-PE High Current) |
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0.20ฮฉ - 9999ฮฉMeasurement range BS EN 61557-3 is 0.25ฮฉ - 1999ฮฉ | 0.01ฮฉ - 19.99ฮฉ 20.0ฮฉ - 99.9ฮฉ 100ฮฉ - 9999ฮฉ | ยฑ5% ยฑ 5 dgts |
Perspective Earth Fault Current (PFC - High Current) |
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| 0.00A - 19.99A 20.0A - 99.9A 100A - 999A 1.00kA - 9.99kA 10.0kA - 100.0kA | 0.01A 0.1A 1A 0.01kA 0.1kA | Calculated value taking into account the Earth Loop Accuracy of ยฑ5% ยฑ 5 dgts |
Earth Fault Loop Impedance (Z-Loop (Zs) Non-Trip) |
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| 0.40ฮฉ - 19.99ฮฉ 20.0ฮฉ - 9999ฮฉ Measurement range BS EN 61557 is 0.75ฮฉ - 1999ฮฉ | 0.01ฮฉ - 19.99ฮฉ 20.0ฮฉ - 99.9ฮฉ 100ฮฉ - 9999ฮฉ | ยฑ5% ยฑ 10 dgts ยฑ10% |
Perspective Earth Fault Current (PFC-Non-Trip) |
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| 0.00A - 19.99A 20.0A - 99.9A 100A - 999A 1.00kA - 9.99kA 10.0kA - 100.0kA | 0.01A 0.1A 1A 0.01kA 0.1kA | Calculated value taking into account the Earth Loop Accuracy of ยฑ5% ยฑ 5 dgts |
RCD Tripping Time |
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0.0 - 500.0ms(Measurement range BS EN 61557-6) | 0.1ms | ยฑ3ms |
| Test Current - ยฝ x Iโn | 1 x Iโn | 2x Iโn | 5 x Iโn | ||
| RCD Types- AC | A | B | B+ | EV | F | S (Selective - Time Delayed) | ||
RCD Tripping Current |
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0.0 - 500.0ms(Measurement range BS EN 61557-6) | 0.1ms | ยฑ3ms |
| 0.2 x Iฮn - 1.1 Iฮn (AC type) 0.2 x Iฮn - 1.5 Iฮn (A type, Iฮn โง30mA ) 0.2 x Iฮn - 2.2 Iฮn (A type, Iฮn โง10mA ) 0.2 x Iฮn - 2.2 Iฮn (B type) | 0.05 x Iฮn | ยฑ0.1 x Iฮn |
| Nominal RCD Currents- 6mA | 10mA | 30mA | 100mA | 300mA | 500mA | ||
Contact Voltage |
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| 3.0V - 9.9V 10.0V - 99.9V | 0.1V | -0/+10% ยฑ10 dgts |
General Information |
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| EN61010 Overvoltage Safety Rating | CAT III 600V | CAT IV 300V |
| Display | 480 x 320 TFT | LCD Screen |
| Power supply | 6 x AA Alkaline batteries (included) | |
| Recharge Option | ALVA Recharge Pack A available | |
| Dimensions | 250 x 107 x 135 mm | |
| Weight | 1300g (Excluding batteries) | |
