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Megger MFT1731 - Multifunction Installation Tester

Megger

  • Suitable for domestic, commercial and industrial testing
  • FREE manufacturer's calibration certificate included*
  • FREE bundle included (many options to choose from)
  • Ready for 18th Edition
  • Regular Price £1,698.00 Special Price £1,006.80 £839.00

    Availability: Limited stock

    Ships today if ordered in the next 4 hours and 47 minutes!

    Product Code
    MEGMFT1731

    Choose one of the free bundles when you order:

    • FREE TMK ST16 Socket Tester With Audible Indication (worth £18.95)
    • FREE Martindale CB12 Calibration Checkbox (worth £56)
    • FREE Martindale TL78 50m R2 Test Wander Lead (worth £79)


    The versatile Megger MFT1731 has it all, reliability, ruggedness and a comprehensive range of tests, giving you excellent value for money. No matter whether you are carrying out domestic installation or industrial testing, the MFT1731 will meet your expectations.

    This tester has an internal memory, allowing for storage of test results for download to the Megger PowerSuite Onsite software. The inclusion of BluetoothTM technology also enables you to transfer data to a laptop in the field, effectively filling out your test certificate as you go.

    Not all multifunction testers are the same, and the Megger is no exception. Unique processes enable this unit to carry out tests that others cannot. The full feature list is below:

    Two Wire Non-Trip & High Current Loop Testing - Megger Unique Feature

    This technology ensures you can carry out a non-trip loop test using the two wire method, with a resolution of 0.01Ω. PFC & PSC measurements are carried out at the same time as the loop test, with the results being displayed on the LCD simultaneously and it won\'t trip 6A MCBs. Three wire L-PE non-trip testing is also available. In addition, high current L-L & L-N tests can be carried out.

    Insulation Testing

    Four ranges are available, 100V, 250V, 500V and 1000V, with live circuit protection built-in and an adjustable buzzer threshold. Both the test voltage and resistance measurement are displayed and you have the option to inhibit the test at 25V or 50V.

    Continuity Testing

    Standard 200mA continuity testing, with a further 15mA low current option. Lead resistance is stored in the memory, even when the tester has been powered down. Other test features include auto-start and a fast buzzer with adjustable threshold. Resistance measurement ranges from 0.01Ω to 99.9kΩ

    RCD Testing

    Auto test feature makes RCD testing simple and the MFT1731 can test a range of RCD types including A, AC, B, Selective, programmable, 3 phase and B type RCDs. There is an auto-start feature and a ramp test that allows you to measure the exact trip current.

    Earth Ground Testing

    Using an optional spike kit (included with the MFT1731ONSITE) you can carry out a 3 pole ground resistance measurement.

    Other Electrical Tests

    Voltage measurement from 10 - 600V AC / DC, phase rotation and frequency measurement are all available on this model. In addition earth leakage measurements can be carried out with the optional Megger I-Clamp attachment.

    Key Safety Features

    Dust and rain proof to IP54, this tester has been designed to withstand the toughest environments, the Megger MFT1731 won't go bang if it's connected across phases, if it gets dropped or even when it\'s used in the rain. Protection against selection of the wrong range or accidental connection to live circuits is also included, even if the test button is locked on.


    * requires in-service date to be filled in

    More Information
    ManufacturerMegger
    Manufacturer Part Number1008-128
    GTIN5036175234457
    ManualMFT1731
    DatasheetMFT1731
    DownloadingYes
    Earth testYes
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    General Specification

    Accuracy

    Insulation test:

    • 1000 Volts 10 kΩ - 999 MΩ ±3% ±2 digits
    • 500 Volts. 10 kΩ - 500 MΩ ±3% ±2 digits >500 MΩ ±10% ±4 digits
    • 250 Volts. 10 kΩ - 250 MΩ ±3% ±2 digits >250 MΩ ±10% ±4 digits
    • 100 Volts. 10 kΩ - 100 MΩ ±3% ±2 digits >100 MΩ ±10% ±4 digits
    • EN61557 range: 10 kΩ - 999 MΩ (1000 V range)
    • Voltage display: ±3% ±3 digits ±0.5% of rated voltage
    • Max service error: ±15% ±2 digits.
    • Short circuit current: 1.5 mA nominal test current
    • Test current on load: ≥1 mA at min. pass values of insulation
    • Output voltage tolerance: -0% +20% at rated load or less
    Continuity / Resistance:
    • Intrinsic accuracy: ±2% ±2 digits (0.01 Ω to 99.9 Ω), ±5% ±2 digits (100 Ω to 99.9 kΩ)
    • EN61557 range: 0.1 Ω to 99.9 kΩ
    • Open circuit voltage 5 V ±1 V
    • Test current at 200 mA (0 Ω to 2 Ω): >200 mA @ ≤2 Ω
    • Test current at 15 mA (0 Ω to 2 Ω): >15mA @ ≤2 Ω
    • Max Service error: ±12% ±2 digits.
    Loop test 2Hi (L-PE, L-N, L-L):
    • Intrinsic accuracy: ±5% ±3 digits
    • Display range: 0.01 Ω to 1000 Ω
    • Supply: 48 V to 480 V* (45 Hz to 65 Hz)
    • Test current high: 4.0 A (at 230 V)
    • PSCC range: 20 kA
    • EN61557 range: 0.30 Ω to 1000 Ω
    • Max service error: ±10% ±2 digits
    Loop test 3Lo, 2Lo (L-E):
    • Intrinsic accuracy: 0.01 Ω to 39.9 Ω ±5% ±5 digits
    • 40.0 Ω to 999 Ω ±10% ±5 digits
    • Display range: 0.01 Ω to 1000 Ω
    • Supply: 48 V to 280 V (45 Hz to 65 Hz)
    • Test current: Pulsed
    • PFC range: 20 kA
    • EN61557 range: 1.0 Ω to 1000 Ω
    • Max service error: ±10% ±2 digits
    RCD test:
    • Intrinsic current accuracy:
    • No trip test: (1/2xI) –10% to 0%
    • Trip test: (1xI, 2xI and 5xI) +0% to +10%.
    • Ramp test current: ±5% ±1 digit
    • Trip time: ±1% ±1 ms
    • Programmable step increments: 10 mA to 50 mA - 1 mA steps, 50 mA to 500 mA - 5 mA steps, 500 mA to 1000 mA - 10 mA steps.
    • Supply: 48 V - 280 V 45 Hz to 65 Hz
    • Max service error: ±10% ±2 digits
    Voltage:
    • Intrinsic accuracy: ±2% ±1 V
    • EN61557-1 Range: 10 V to 600 V
    • Phase rotation indication.
    • Max service error: ±5% ±2 digits
    Frequency:
    • Intrinsic accuracy: ±0.5% ±2 digits
    • Resolution: 0.1 Hz
    • EN61557 Range: 15 Hz to 400 Hz
    • Max service error: ±5% ±3 digits
    Earth Test Ranges:
    • Intrinsic accuracy: ±2.0% ±3 digits
    • ART method ±5.0% ±3 digits
    • Stakeless method ±7.0% ±3 digits
    • Resolution: 0.01 Ω
    • EN61557 range: 1.0 Ω to 1.99 kΩ
    • Current: 0.45 mA or 4.5 mA.
    • Noise rejection: 20 V pk/pk (7 V rms)
    • Max probe resistances: Rp, Rc = 100 kΩ @ 50 V
    • Max service error: ±20% ±3 digits
    Current (via Clamp meter):
    • Intrinsic accuracy: ±5.0% ±3 digits
    • Resolution: 0.1 mA
    • EN61557 Range: 0.5 mA – 199 A
    • Max service error: ±10% ±2 digits
    mV Sensor input
    • Including temperature (third party module)
    • ±1.0% ±2 digits
    • Range 0.0 mV to ±199.9 mV dc
    • Resolution 0.1 mV
    Internal memory
    • Capacity 1000 results
    • Bluetooth® communication
    Power consumption:
    • Nominal minimum: 60 mA (Voltage range with no input voltage)
    • Nominal maximum: 350 mA (Active Insulation test set to 1000 V / 1 MΩ)
    • Range: -20 °C to +55 °C
  • Temperature (via 3rd Party Module):
    • Intrinsic accuracy: ±1.0% ±2 digits
    • Resolution: 1 °C
    • Range: -20 °C to +100 °C
    Environmental Specification

    Temperature

    • Operational range: -10 °C to +55 °C
    • Storage range: -25 °C to +70 °C
    Humidity
    • Operating humidity: 90% R.H. at +40 °C max.
    Altitude
    • 2000 m to full safety specification.

    Weight: 1000 g ±10% including batteries but excluding test leads, accessories and carry case.

    Dimensions: 150 mm high x 85 mm wide x 235 mm deep (6 in. x 3.5 in. x 9.5 in.)

    IP rating: IP54

    Power Supply

    • Battery: Primary 6 x 1,5 V cells IEC LR6 type (AA alkaline,).
    • Battery: Rechargeable: 6 x 1.2 VNiMH cells EC HR6.
    • Display shows rechargeable [NiMH] when the battery type is changed in setup option (Section 10).

    Safety / EMC
    EMC In accordance with IEC61326 edition 2.
    Locations: Class B locations.
    Safety in accordance with BS EN 61010 -1 2010 + 61010 -30:2010
    Installation Category: 600 V CAT III / 300 V CAT IV. (Max Phase to Phase 550 V)
    In addition switch probe and test leads are designed to meet IEC 1010-031:2008, Double insulated to Installation Category III, 300 V phase to earth, 500 V phase to phase.

    • Megger MFT1731 Multifunction Tester
    • Full user guide on CD
    • Calibration certificate
    • Switched probe SP5
    • Neck strap - Megger embroidered
    • 3 Wire lead set with prods and clips
    • Mains plug test lead (BS1363)
    • AC battery charger
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