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Megger MFT1731-BS Installation Tester
  • Megger MFT1731-BS Installation Tester
  • Megger MFT1731-BS Installation Tester
  • Megger MFT1731-BS Installation Tester

Megger MFT1731-BS Installation Tester

Megger approved distributor and service centre.

Includes: MFT 1731, SP5 Switched probe, full user guide on CD, soft carry case, Calibration certificate, Neck strap - Megger embroidered, 3 Wire lead set with prods and clips, Mains plug test lead, batteries and calibration cert.

1008-128
Megger
£1,435.00
£853.82 Save 40.5%
Tax excluded
Quantity
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Shipped as standard in a large soft carrying case, the Megger MFT1731 builds on the capabilities of the MFT1721 by adding support for three-pole ART earth resistance measurements, with a clamp option, and stakeless twin-clamp earth resistance measurements. This model also has internal storage for test results with wireless downloading to smartphones, tablets and other Bluetooth-equipped devices.

All of the multifunction installation testers in Megger’s new range incorporate the qualities that have made the previous MFT1700-series instruments so popular and successful. These include a straightforward user interface for fast easy operation, robust construction to withstand the knocks and tumbles of everyday use, comprehensive electrical protection, and an extensive range of safety features, including a CAT IV 300 V/CAT III 600 V safety rating in line with IEC 61010.

FEATURES

Three–phase installation tester.
2 and 3-wire non-trip loop impedance testing.
Fast 2-wire high current loop test including phase to phase testing ability.
ZMAX facility.
Full range of RCD tests from 10 mA to 1000 mA.
Selective, variable type B and 3-phase RCD (no neutral) testing.
Auto RCD and ramp.
Insulation testing at 1 kV, 500 V, 250 V and 100 V.
Continuity and low Ωs at 200 and 15 mA.
Adjustable buzzer threshold.
True RMS voltage measurement and phase rotation.
Supplied in a large soft carry case.

Megger MFT1731 Specifications
Insulation Tests
Output Voltage -0 to +20% at rated load or less.
Voltage Display ±3% ±3 digits ±0.5% of rated voltage.
Short Circuit Current 1.5 mA nominal test current.
Test Current on Load 1 mA at min pass values of insulation.
Insulation Accuracy
1000 V 10 kΩ to 999 MΩ (±3% ± 2 digits).
500 V 10 kΩ to 500 MΩ (±3% ± 2 digits).
>500 MΩ (±10% ± 4 digits).
250 V 10 kΩ to 250 Ω (±3% ± 2 digits).
>250 MΩ (±10% ± 4 digits).
100 V 10 kΩ to 100 MΩ (±3% ± 2 digits).
>100 MΩ (±10% ± 4 digits).
Resistance and Continuity
Range and Accuracy 0.01 to 99.9 Ω (±2% ± 2 digits).
100 to 99.9 kΩ (±5% ± 2 digits).
Open Circuit Voltage 5 V ± 1 V.
Test Current (0 to 2 Ω) 205 mA ±5 mA.
15 mA ±5 mA (user selectable).
Loop Test
Live to Earth/Neutral Supply 48 to 280 V (45 to 65 Hz).
L-N/L-L Tests ±5% ±5 digits.
L-E Tests 0.1 to 39.9 Ω (±5% ±5 digits ± noise margin).
40 Ω to 1000 Ω (±10% ± 5 digits).
Display Range 0.01 to 1000 Ω.
Live to Earth PFC Range 20 kA.
Live to Live PSCC Range 20 kA.
RCD Tests
Supply up to 100 mA 48 to 480 V (45 to 65 Hz).
Supply up to 1 A 48V to 280 V.
RCD Type Type AC, A and S.
Type B (Pure DC).
No-Trip Test (1/2xI) -10 to -0%.
Trip Test (1xI, 2xI and 5xI) +0 to +10%.
Ramp Test Touch Voltage (0 to 253 V) ±5% +15% ±0.5 V.
Trip Time ±1% ±1 ms.
Trip Current ±5%.
Step Increments
VAR (Variable RCD Selection)
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 Measurement
Voltage 10 V to 600 V (15 to 400 Hz) True RMS.
Voltage Accuracy ±3% ±1 V ±2 digits.
Phase Rotation Indication L1-L2-L3 and L1-L3-L2.
Frequency 15 Hz to 99 Hz (±0.5% ±1 digit).
Frequency Resolution 0.1 Hz.
Power Supply
Batteries 1.2V NiMH Rechargeable Batteries
Mains charger for on-board recharging (4 hours typical)
12V optional car charger available.
Earth/Ground Test
Resolution 0.01 Ω.
Current 0.45 mA or 4.5 mA.
Noise Rejection 20 V pk/pk (7V rms).
Max Probe Resistance (Rp and RC) 100 kΩ @ 50 V.
5 kΩ at 25 V.
2 and 3 Pole Method 0.01 to 1.999 kΩ (±2.0% ± 3 digits).
ART method (1.00Ω to 1.999 kΩ) with accuracy of ±5.0% ± 3 digits.
Stakeless Method 1.00 to 199 Ω (±7.0% ± 3 digits).
Current (Via Optional Clamp Meter)
Range 0.1 mA to 200 A AC (5.0% ± 3 digits).
Resolution 0.1 mA.
Safety
Conformity EC 61010-1: 2010
IEC 61010-30: 2010
IEC 61010-031: 2008
600V CAT III / CAT IV 300V (Max phase to phase 600V)
IEC 61557: 2007 parts 1 to 10.
EMC IEC61326 edition 2 location class B.
Operating Temperature Range and Humidity -10 to +55°C (90% RH at +40°C max).
Storage Temperature Range and Humidity -25 to +70°C.
Maximum Altitude 2000m.
Weight (Instrument and Case) 1 kg (with batteries).
Dimensions (Instrument and Case) 150 x 85 x 235 mm (H x W x D).
IP Rating IP54.
Calibration Temperature +20°C.
Temperature Coefficient <0.1% per °C.
Megger MFT1731 warranty 1 year extendable to 3 years.

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Megger MFT1731-BS Installation Tester
COMPONENT PARTS DESCRIPTION PART No.
Software PowerSuite Lite. 1000-631
Lead set
Fused 10 A test lead set (red/blue/green) with
prods and clips.
1001-975
ETL30 Extension Test Lead 30 m. 1000-215
ETL50 Extension Test Lead 50 m. 1000-217
SP5 Switched Probe (silicone). 1001-687
ICLAMP Current measuring clamp. 1001-012
VCLAMP Voltage inducing clamp, calibration check pcb
(for stakeless test) and lead.
1001-013
Pouch Test and carry pouch. 1006-408
Soft pouch Large soft pouch with extra storage. 1007-463
Strap Neck strap - Megger embroidered. 2001-509

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