Di-Log ALVA MFT Installation Multifunction Tester | ALVAMFT

The Di-Log ALVA MFT Installation Multifunction Tester (ALVAMFT) is a next-generation tester engineered for today’s electrical professional. Fully compliant with BS EN 61557, the ALVA MFT delivers outstanding accuracy, safety, and flexibility across domestic, commercial, and industrial installations.

Designed to simplify complex testing while maintaining full regulatory compliance, the ALVA MFT combines advanced automation, intelligent loop detection, and EV-ready functionality in a compact, user-friendly platform.

Why Choose the Di-Log ALVA MFT?

Whether you’re carrying out initial verification, periodic inspection, fault finding, or EV infrastructure work, the ALVA MFT provides everything you need—without compromise.

Built for Modern Installations

• Supports all RCD types: AC, A, B, B+, EV (6mA), F & S
• Variable RDC testing allows bespoke mA settings for specialist applications
• Includes 6mA RDC-PD / MD testing for safe EVSE charger verification

Faster, Smarter Testing

• Automated Continuity & Earth Loop Auto Start
• Intelligent 2-wire / 3-wire loop detection removes manual selection errors
• RCD-LOC+ Dynamic Non-Trip Loop Testing using Di-LOG’s latest Xpert Loop Technology

Clear, Confident Results

• Large full-colour TFT display (480 × 320)
• User-configurable pass / fail limits
• Secondary display shows stored results instantly
• On-screen help for test lead configuration and setup guidance

Features

• Full-Colour TFT Display – High contrast, intuitive interface with interactive controls
• Fully Automated Testing – Continuity & loop testing with auto-start functionality
• Dynamic Non-Trip Loop (RCD-LOC+) – Accurate, low-current loop testing with adjustable test current
• Variable RDC Test – Set custom residual current values when required
• Comprehensive Insulation Testing – 50V, 100V, 250V, 500V & 1000V with bargraph display
• 3-Phase Capability – Line-Line impedance with dynamic phase rotation indication
• Inbuilt Fuse Tables – Instantly reference maximum permitted Zs values
• Rechargeable Ready – Optional NiMH battery & charger kit available

Specifications

Voltage & Frequency

• AC / DC Voltage (TRMS): 0 – 550V
• Frequency: 10 – 499Hz
• Phase Rotation: Right (1-2-3) / Left (3-2-1)

Continuity

• Low Resistance (200mA): 0.01Ω – 1999Ω

Insulation Resistance

• Test Voltages: 50V / 100V / 250V / 500V / 1000V
• Range: Up to >999MΩ (depending on voltage)

Loop & Fault Testing

• Line & Earth Loop Impedance: High current & non-trip
• PSC / PFC: Calculated up to 100kA

RCD Testing

• Types: AC, A, B, B+, EV, F, S
• Nominal Currents: 6mA, 10mA, 30mA, 100mA, 300mA, 500mA

General

• Safety Rating: CAT III 600V / CAT IV 300V
• Power Supply: 6 × AA batteries (included)
• Recharge Option: ALVA Recharge Pack A (optional)
• Dimensions: 250 × 107 × 135mm
• Weight: 1.3kg (excluding batteries)

Ideal Applications

• Electrical installation & verification
• Periodic inspection & testing
• Fault finding & diagnostics
• EV charger safety verification
• Domestic, commercial & industrial projects

The Di-Log ALVA MFT Installation Multifunction Tester delivers next-generation performance at an accessible price point. With advanced automation, EV-ready testing, and intelligent loop technology, it’s a powerful, future-proof solution for electricians who demand accuracy, compliance, and efficiency on every job.