Megger MFT1721 1008-123 MFT Series Multifunction Tester with Additional 100V Insulation Test Range, True RMS Voltage Measurement, mV Sensor Input and Type B RCD Testing + Carry Case

MFT1700 Series Multifunction Tester – 100V Insulation Range, Type B RCD Testing, True RMS & Carry Case, Ideal for Full BS7671 Compliance

The Megger MFT1700 Series is designed for comprehensive electrical installation testing in line with BS7671. Offering all standard functions of the MFT1710 and more, this upgraded model includes an additional 100V insulation range, true RMS voltage measurement, mV sensor input, and Type B RCD testing. Suitable for domestic, commercial, and industrial fixed wiring systems, it is the go-to tester for electrical professionals working under the 18th Edition Wiring Regulations.

• Enhanced Testing Capability: Includes standard auto RCD testing plus phase rotation, 3-phase RCD tests (no earth), and optional current measurement via clamp.
• 100V Insulation Test Range: Added low-voltage insulation testing functionality for sensitive circuits and equipment.
• True RMS & mV Input: Accurate voltage measurement even on non-sinusoidal waveforms and mV sensor input for external probe compatibility.
• Fast, Reliable Loop Testing: 2- and 3-wire non-trip loop testing delivers repeatable results with dual display of loop resistance and fault current.
• Data Logging & Wireless Transfer: Features internal storage and Bluetooth® connectivity for efficient digital test certificate creation via Megger software.

Technical Specification

• Compliance: BS7671 / 18th Edition
• Insulation Test Voltages: Includes 100V, 250V, 500V, 1000V
• RCD Testing: Type A, AC, S, and Type B; Auto test with 3-phase capability
• Loop Testing: Non-trip, 2-wire & 3-wire methods
• Voltage Measurement: True RMS, mV input supported
• Display: Dual-parameter backlit LCD
• Connectivity: Bluetooth® for data download
• Included: Durable carry case

✅ Choose the MFT1700 Series for complete 18th Edition testing with extended insulation, RCD, and voltage capabilities – ready for any fixed installation!