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Megger MFT1741+
  • Megger MFT1741+
  • Megger MFT1741+
  • Megger MFT1741+
  • Megger MFT1741+

Megger MFT1741+ Multifunction Tester

megger authorised

Includes: Printed quick start guide, Full user guide on CD, Calibration certificate, Switched probe SP5, Neck strap, 3 Wire lead set with prods and clips, Mains plug test lead (BS1363), AC battery charger, Large soft pouch.

1012-611
Megger
£1,635.00
Tax excluded
Quantity
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The Megger MFT1741+ multifunction tester is an instrument designed for testing low voltage electrical installations and especially in locations that suffer from high electrical noise. It provides all the tests required to complete the necessary electrical certification for industrial, commercial and domestic fixed wiring installations.

The MFT1741+ offers a wide range of test functions, designed for all electrical installation testing and verification of low voltage building wiring and distribution testing scenarios. The MFT1741+ is IEC 61010 CAT IV 300 V rated for safe connection anywhere within the LV network on single and 3 phase systems.

New Loop Impedance testing technology

Prevents any influence the RCD may present to the total loop impedance value.
Faster non-trip loop testing down to 8 seconds.
This technique also allows testing of loop impedance through 10mA type ac and Type A RCDs.

New “Confidence meter*” measurement analysis (Patent pending)

Overlaying the new non-trip loop impedance measurement is the new Megger “Confidence meter”. As loop impedance values can be dramatically affected by circuit noise, the Confidence Meter displays the degree of confidence in the accuracy of the measured loop impedance. Using the digital ARC to indicate the analytical process, the measurement is continually monitored and adjusted when circuit noise is present, resulting in a dramatically improved and repeatable test result.

New electric vehicle charge point testing

The MFT1741+ includes an automatic EV Charge Point RCD test sequence, including the 6 mA dc test*. Test results can be reviewed or saved to memory and reviewed later.

FEATURES

Testing of Electric Vehicle Charge Points*.
Enhanced non-trip loop impedance measurement technology.
“Confidence meter” measurement analysis (patent pending).
Full single and 3 phase compliant installation testing.
10 mA to 1 A single and 3 phase RCD testing.
Earth testing and stake-less testing for electrode resistance measurement*.
Simple colour-coded test selection.
Ambidextrous operation.
Internal memory and Bluetooth® communications.
EN61010 CAT IV safety rating and tough IP54 case.

MFT1741 Quick Feature Chart
Insulation ranges
100 V
250 V, 500 V
1000 V
Test voltage display
Adjustable buzzer threshold
Continuity and resistance ranges
200 mA test
15 mA test
Adjustable buzzer threshold
Loop testing
2 and 3 wire non-tripping L-PE 50 V ~ 280 V
2 wire Hi current L-N 50 V ~ 280 V
2 wire phase to phase L-L 50 V ~ 500 V
PSCC and PFC (20 kA max.)
Max. Zs display
R1 + R2 value
Touch voltage display on faulty earth
Earth electrode test
2 and 3 pole *
3 pole ART and Stakeless method *
RCD tests
1/2, 1, 5 x I and ramp RCD test
Auto RCD test
Type AC, A and S RCDs
Type B (pure DC) RCDs
Programmable RCD
3-phase RCD (no earth)
30, 100, 300 and 500 mA RCD
10 mA and 1000 mA RCD
Other features
Supply measurement
True RMS
Phase rotation
Hard moulded case
Confidence meter noise reduction
New hardware loop test platform
* requires optional accessory
Megger MFT1741+ Specifications
Insulation Test
Output voltage -0% +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 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.
Resistance and Continuity
0.01 Ω ~ 99.9 Ω ±2% ±2 digits.
100 Ω ~ 99.9 kΩ ±5% ±2 digits.
Open circuit voltage 5 V ±1 V.
Test current (user selectable) (0 Ω ~ 2 Ω).
205 mA ±5 mA.
15 mA ±5 mA (user selectable).
Loop Test
Live to earth/neutral supply 48 V ~ 280 V (45 Hz ~ 65 Hz).
Live to live supply 48 V ~ 500 V (45 Hz ~ 65 Hz).
L-N/L-L tests ±5% ±5 digits.
L-E tests 0.1 Ω ~ 39.9 Ω ±5% ±5 digits ± noise margin.
40.0 Ω ~ 1000 Ω ±10% ±5 digits.
Display range 0.01 Ω ~ 1000 Ω.
Live to earth PFC range 20 kA
Live to live PSCC range 20 kA
Notes:

† Reference conditions apply.
For test environments see service data.

RCD Tests
Supply up to 100 mA 48 V ~ 480 V (45 Hz ~ 65 Hz).
Supply up to 1 A 48 V ~ 280 V.
RCD type Type AC, A, S.
Type B (pure dc).
No trip test (1/2xI) –10% ~ –0%.
Trip test (1xI, 2xI and 5xI)+0% ~ +10%.
EV 30 mA ac, 6 mA dc (Mode 1 + 2).
(Mode 1 + 2) Ramp Test
Touch voltage (0 ~ 253 V) +5% +15% ±0.5 V.
Trip time ±1% ±1 ms.
Trip current ±5%.
Step Increments
VAR (variable RCD selection) 10 mA ~ 50 mA 1 mA steps.
50 mA ~ 500 mA 5 mA steps.
500 mA ~ 1000 mA 10 mA steps.
Supply Measurement
Voltage 10 V ~ 600 V.
(15 ~ 400 Hz) True RMS.
±3% ± 1 V ±2 digits.
Phase rotation indication L1–L2–L3 and L1–L3–L2.
Frequency 15 Hz ~ 99 Hz ±0.5% ±1 digit.
100 Hz ~ 400 Hz ±2.0% ±2 digits.
Frequency resolution 0.1 Hz.
Power Supply
Batteries IEC LR6 type AA alkaline (6 cells - supplied) or 1.2 V NiMH (rechargeable pack of 6 – supplied).
Mains charger for on-board re-charging (4 hours typical) 12 V car charger (cigar lighter lead - optional).
Earth/ Ground Test
Resolution 0.01 Ω.
Current 0.45 mA or 4.5 mA.
Noise rejection 20 V pk/pk (7 V rms).
Max probe resistances Rp and Rc.
100 kΩ @ 50 V.
5 kΩ @ 25 V.
2 and 3 pole method (0.01 Ω ~ 1.999 kΩ).
±2.0% ±5 digits.
ART method (1.00 Ω ~ 1.999 kΩ).
±5.0% ±5 digits*.
Stakeless method (1.00 Ω ~ 199 Ω).
±7.0% ±5 digits*.
Current
(via optional clamp meter) ±5.0% ±3 digits.
Range 0.1 mA to 200 A ac.
Resolution 0.1 mA.
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.
Data storage
Capacity 1000 results.
Bluetooth® communication.
Safety IEC 61010-1:2010.
IEC 61010-30:2010.
IEC 61010-031:2008.
600 V CAT III / 300 V CAT IV.
(Max Phase to Phase 600 V).
IEC 61557:2007 parts 1 to 10.
EMC IEC61326 edition 2 location class B.
Operating temperature range and humidity -10 °C ~ +55 °C.
90% R.H. at +40 °C max.
Storage temperature range and humidity -25 °C ~ +70 °C.
Maximum altitude 2000 m.
IP rating IP54.
Calibration temperature +20 °C.
Temperature coefficient <0,1% per °C For test environments see service data.
Weight (instrument and case) 1 kg (with batteries, excluding case).
Dimensions (instrument and case) 220 mm (H) x 390 mm (W) x 285 mm (D).
Megger MFT1741+ warranty Three-years.

Download

Megger MFT1741+ Datasheet

PDF Specifications of the Megger MFT1741+ multi function installation tester with electrical vehicle charge point testing capabilities.

Download (392.64k)
COMPONENT
DESCRIPTION PART No.
Fused Lead Set Fused 10 A test lead set (red/blue/green) with prods and clips. 1001-975
30m Ext. Lead XTL30 Extension Test Lead 30 m. 2007-998
50m Ext. Lead XTL50 Extension Test Lead 50 m. 2207-997
Car Charger Cigar lighter adapter for battery charging. 6280-332
SP5 Probe Switched Probe SP5 (silicone). 1001-687
Clamp MCC1010 Current measuring clamp. 1010-516
Electrode kit Electrode kit. 1001-810
ETK30 3 Pole Earth Test Kit. 1010-176

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