Di-LOG

ALVA MFT Pro - Installation Multifunction Tester

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ALVA MFT Pro - Installation Multifunction Tester

ALVA MFT Pro - Installation Multifunction Tester

Di-LOG ALVA MFT Pro – The Ultimate in Electrical Testing

Introducing the Di-LOG ALVA MFT Pro – Installation Multifunction Tester, the premium model in the ALVA Series, delivering next-generation testing capabilities with advanced features designed for professional electricians. Built to meet the latest industry standards, including full BS EN 61557 compliance, the ALVA MFT Pro offers precision, reliability, and efficiency in every test.

Equipped with a vibrant full-colour TFT display, this multifunction tester provides interactive pass/fail settings and supports a full range of RCD types, including AC, A, B, B+, EV and F. It features automated Continuity & Earth Loop Auto Start, a secondary display for recorded results, and intelligent 2/3 wire high-current loop detection, eliminating the need for manual selection.

Taking functionality further, the ALVA MFT Pro introduces 15mA continuity testing, ideal for inductive loads such as motor windings. The inclusion of Zmax and Imax tracking allows for maximum recorded Earth Loop Impedance and Perspective Short Circuit Current (PSC) analysis, ensuring optimal safety and performance assessment.


Di-LOG ALVA MFT Pro – Installation Multifunction Tester – Key Features:

  • Full-Colour TFT Display: High-contrast screen with interactive pass/fail settings for intuitive operation.
  • Comprehensive RCD Testing: 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.
  • Automated Continuity & Earth Loop Auto Start: Streamlines testing with secondary display for recorded results, improving efficiency and workflow
  • Advanced Loop Testing with Intelligent Detection: The ALVA MFT Pro EV features Intelligent 2/3 Wire High-Current Loop Detection, which automatically identifies whether a 2-wire or 3-wire Loop/PSCC measurement is being conducted, eliminating manual selection errors.
  •  RCD-LOC+ Dynamic Non-Trip Loop Testing: this latest Xpert Loop Technology delivers high-accuracy low-current Earth Loop measurements with an adjustable test current feature, optimising test precision based on your RCD current. This ensures reliable loop impedance testing while maintaining maximum safety and accuracy in all environments.
  • Advanced Fault Detection & Customisation: Offers variable RDC test feature, 1A RCD testing, and 4mA continuity testing, making it ideal for motor windings and inductive loads.
  • EV Auto Test Sequence: Automates EV charger verification, incorporating Earth Loop Test, RDC-PD/MD Test, AC RCD Test, Ramp Test, and Voltage Verification in a streamlined workflow
  • Earth Resistance Testing: Supports 3 or 4 pole methods with optional accessory kit for comprehensive ground integrity testing.
  • Zmax and Imax Tracking: Records maximum Earth Loop Impedance and Perspective Short Circuit Current (PSC), ensuring precise electrical safety assessments.
  • Built-in Fuse Tables: Displays maximum permitted Zs Loop values when carrying out Earth Loop Impedance testing, helping ensure compliance with industry safety standards.
  • Built-in Rechargeable Battery Charger: The ALVA MFT Pro EV is powered by six high-power NiMH rechargeable batteries, ensuring extended operation without the hassle of frequent battery replacements. The included charge plug allows convenient recharging, keeping your tester ready for use at all times.
  • Data memory: The built-in memory storage enables users to store up to 1,000 recorded measurements, ensuring efficient data management, traceability, and seamless workflow integration

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For enhanced RCD testing, the Pro model offers 1A RCD Testing alongside 6mA RDC-PD/MD capability, specifically designed for EV charger installations. The NEW EV Auto Sequence streamlines EV Charger Installation Verification, incorporating Earth Loop Testing, RDC-PD/MD Testing, AC RCD Testing, Ramp Testing, and Voltage Verification in a single automated workflow.

Additionally, the ALVA MFT is equipped with inbuilt fuse tables, which indicate the maximum permitted Zs Loop values when carrying out Earth Loop Impedance testing—helping electricians maintain compliance with industry safety standards.

Image of multifunction tester with EV Screen

Expanding its versatility, the ALVA MFT Pro supports Earth Resistance Testing using 3 or 4 pole methods (with the optional earth resistance accessory kit), delivering precise measurements for ground integrity assessments. Additionally, the built-in memory feature enables users to store up to 1,000 recorded measurements, ensuring efficient data management and traceability.

Designed for professionals seeking cutting-edge testing solutions, the Di-LOG ALVA MFT Pro delivers performance, accuracy, and compliance, making it the ultimate choice for electrical testing excellence.

Upgrade your testing capabilities with the ALVA MFT Pro—where precision meets innovation.

 

Specifications

ALVA MFT Pro Specifications

Measurement Range

Resolution

Basic Accuracy

Voltage & Frequency

AC Voltage TRMS
0V - 550V
1V±2% ± 2 dgts
DC Voltage
0V - 550V
1V±2% ± 2 dgts
Frequency
10 - 499Hz
0.1Hz±0.2% ± 1 dgts

Phase Rotation

0V - 550V
Measurement range BS EN 61557-7
Right:1-2-3 ; Left: 3-2-1

Continuity

Low R (200mA)0.01Ω - 19.99Ω
20.1Ω - 99.9Ω
100Ω - 1999Ω
±3% ± 3 dgts
±5% ± 5 dgts
±5% ± 5 dgts
Continuity (4mA)0.1Ω - 99.99Ω
100Ω - 1999Ω
±5% ± 3 dgts
±5% ± 5 dgts

Insulation

50V, 100V & 250V
(50kΩ-80MΩ @ 50V | 100kΩ-199.9MΩ @ 100V & 250V)
<0.01MΩ - 19.999MΩ
19.99MΩ - 99.99MΩ
20.0MΩ - >199.9MΩ
±5% ± 3 dgts

±5% ± 3 dgts

±5% ± 5 dgts
500V & 1000V
(500kΩ-199.9MΩ @ 500 & 1000V)
<0.01MΩ - 19.999MΩ
19.99MΩ - 99.99MΩ
20.0MΩ - >199.9MΩ
200MΩ - >999MΩ
±5% ± 3 dgts

±5% ± 3 dgts

±5% ± 5 dgts

±10%

Line Impedance (L-L | L-N)

0.20Ω - 9999Ω
Measurement range BS EN 61557-3 is 0.25Ω - 1999Ω
0.01Ω - 19.99Ω
20.0Ω - 99.9Ω
100Ω - 9999Ω
±5% ± 5 dgts

Perspective Short Circuit Current (PSC)

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 ±5% ± 5 dgts

Earth Fault Loop Impedance (Z-loop L-PE High Current)

0.20Ω - 9999Ω
Measurement range BS EN 61557-3 is 0.25Ω - 1999Ω
0.01Ω - 19.99Ω
20.0Ω - 99.9Ω
100Ω - 9999Ω
±5% ± 5 dgts

Perspective Earth Fault Current (PFC - High Current)

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 ±5% ± 5 dgts

Earth Fault Loop Impedance (Z-Loop (Zs) Non-Trip)

0.40Ω - 19.99Ω
20.0Ω - 9999Ω
Measurement range BS EN 61557 is 0.75Ω - 1999Ω
0.01Ω - 19.99Ω
20.0Ω - 99.9Ω
100Ω - 9999Ω
±5% ± 10 dgts
±10%

Perspective Earth Fault Current (PFC-Non-Trip)

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 ±5% ± 5 dgts

RCD Tripping Time

0.0 - 500.0ms
(Measurement range BS EN 61557-6)
0.1ms±3ms
Test Current - ½ x I∆n | 1 x I∆n | 2x I∆n | 5 x I∆n
RCD Types- AC | A | B | B+ | EV | F | S (Selective - Time Delayed)

RCD Tripping Current

0.0 - 500.0ms
(Measurement range BS EN 61557-6)
0.1ms±3ms
0.2 x IΔn - 1.1 IΔn (AC type)
0.2 x IΔn - 1.5 IΔn (A type, IΔn ≧30mA )
0.2 x IΔn - 2.2 IΔn (A type, IΔn ≧10mA )
0.2 x IΔn - 2.2 IΔn (B type)
0.05 x IΔn±0.1 x IΔn
Nominal RCD Currents- 6mA | 10mA | 30mA | 100mA | 300mA | 500mA | 650mA | 1A

Contact Voltage

3.0V - 9.9V
10.0V - 99.9V
0.1V-0/+10% ±10 dgts

Earth Resistance RE (3-Wire & 4-Wire Method)

1.0Ω - 9999Ω
Measurement range BS EN 61557-5 is 100Ω - 1999Ω
1.00Ω - 19.99Ω
20.0Ω - 99.9Ω
100Ω - 9999Ω
±5% ± 5 dgts

Earth Resistance Ro (4-Wire Wenner Method)

6.0 Ωm … 99.9 Ωm
100 Ωm ... 999 Ωm
1.00 kΩm ... 9.99 kΩm
10.0 kΩm ... 99.9 kΩm
100 kΩm ... 9999 kΩm
Measurement range BS EN 61557-5 is 100Ω - 1999Ω
0.1 Ωm
1 Ωm
0.01 kΩm
0.1 kΩm
1 kΩm
20.0Ω - 99.9Ω
100Ω - 9999Ω
±5 % of + 5 dgts
±5 % of + 5 dgts
±10% ( Re 2kΩ…19.99kΩ)
±10% Re (2kΩ…19.99kΩ)
±20% Re (> 20 kΩ)

General Information

EN61010 Overvoltage Safety Rating
CAT III 600VCAT IV 300V
Display480 x 320 TFTLCD Screen
Power supply6 x AA 2100mAh NiMH batteries (included)
Recharge TimeTypical 6 hours
Dimensions250 x 107 x 135 mm
Weight1300g (Excluding batteries)