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Megger MFT1741+ Multifunction Tester – Black, Limited Edition

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1012-603
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This black version of the Megger MFT1741+ Multifunction Tester is a limited edition. It includes all the testing, administrative and practical features present on the standard Megger MFT1741+ Multifunction Tester. It is suitable for troubleshooting and verifying the installation and safety of industrial, commercial and domestic fixed wiring installations and includes all the tests necessary for completing the required electrical certification for these systems.

Tests

Please see the table below for a comprehensive overview of the Megger MFT1741+ Multifunction Tester’s measurement capabilities and key features.

Insulation Ranges
100 V X
250 V, 500 V X
1000 V X
Test voltage display X
Adjustable buzzer threshold X
Note Includes input protection against live circuits up to 600V even when the insulation test is locked on.
Continuity and Resistance Ranges
200 mA test X
15 mA test X
Adjustable buzzer threshold X
Loop Testing 
2 and 3 wire non-tripping L-PE 50 V ~ 280 V X
2 wire Hi current L-N 50 V ~ 280 V X
2 wire phase to phase L-L 50 V ~ 500 V X
PSCC and PFC (20 kA max.) X
Max. Zs display X
R1 + R2 value -
Touch voltage display on faulty earth X
Earth Electrode Test
2 and 3 pole * X
3 pole ART and Stakeless method * X
RCD Test 
1/2, 1, 5 x I and ramp RCD test X
Auto RCD test X
Type AC, A and S RCDs X
Type B (pure DC) RCDs X
Programmable RCD X
3-phase RCD (no earth) X
10, 30, 100, 300 and 500 mA RCD X
Auto sequence for EV charge point RCDs* X
Other Features 
Supply measurement X
True RMS (Voltage and Frequency) X
Leakage current measurement * X
Phase rotation X
Calibration certificate X
Rechargeable batteries (charger included) X
SP5 Switched probe included X
Warranty from Megger upgradeable to 3 years FREE X
Onboard memory with Bluetooth® download X
CAT IV 300 V / CATIII 600 V X
Hard moulded case -
Soft pouch with additional storage X
Confidence meter noise reduction X
New hardware loop test platform X
Notes * requires optional accessory
X = Included
- = Not Included 

 

The Megger MFT1741+ Multifunction Tester has been optimised for testing low voltage electrical installations in areas with high electrical noise. As indicated in the table above, the Megger MFT1741+ Multifunction Tester is able to conduct full single- and three-phase insulation testing, as well as single- and three-phase RCD tests between 10mA and 1A.

NEW Features

In addition to the tests above, the Megger MFT1741+ Multifunction Tester includes a number of new features designed to improve measurement scope, accuracy and reliability.

NEW Tests for EVSE RCDs

The Megger MFT1741+ Multifunction Tester includes automatic test sequences and a 6mA DC test (requires OPTIONAL accessory) for checking the RCDs in electric vehicle charge points.

NEW Non-trip Loop Impedance Technology

The Megger MFT1741+ Multifunction Tester’s new non-trip loop impedance technology facilitates several new capabilities including:

  • Loop impedance testing of 10mA type AC and A RCDs
  • Non-trip loop impedance tests can be performed in eight seconds
  • Prevents RCDs from influencing the total loop impedance value

NEW Confidence Meter

The confidence meter is new to the Megger MFT1741+ Multifunction Tester and will indicate the degree of confidence in the accuracy of the loop impedance value. As loop impedance measurements are particularly susceptible to changes in circuit noise, the confidence meter can be used to determine and improve the reliability of each measurement: the digital ARC indicates the analytical process, and the measurement is continually monitored and adjusted in reference to the circuit noise.  

Display

The Megger MFT1741+ Multifunction Tester features a large, clear, backlit dual-readout display with a digital/ analogue arc for indicating fluctuating readings. The dual digital readout will show the exact reading and test parameters in parallel, for example, the output voltage used as part of an insulation test will be indicated alongside the resistance value in MΩ.

Readings can be saved to the Megger MFT1741+ Multifunction Tester’s internal memory (capacity for 1000 measurements); they can be downloaded via Bluetooth.

Ergonomic Design

The Megger MFT1741+ Multifunction Tester’s ambidextrous design includes TEST and LOCK buttons on either side of the unit, ensuring that it can be easily operated by right- and left-handed users.

Accessing the required feature or function is simple and quick using the Megger MFT1741+ Multifunction Tester’s colour coded function controls. These colour-coded controls also reduce the possibility of selecting the incorrect function or range. Moreover, the absence of complicated and/or hidden measurement menus also contributes to the speed, simplicity and precision of using the Megger MFT1741+ Multifunction Tester.

Furthermore, the Megger MFT1741+ Multifunction Tester includes an automatic test start which is particularly useful for individuals operating the instrument whilst on a ladder and/or when holding probes as the TEST button does not need to be pressed in order to begin measuring.

The Megger MFT1741+ Multifunction Tester can be hung around the operator’s neck using the included neck strap enabling handsfree usage. Alternatively, the IP54-rated Megger MFT1741+ Multifunction Tester with a rubber over-mould is capable of standing independently, again facilitating handsfree operation.

Additionally, the durable design of the Megger MFT1741+ Multifunction Tester ensures that it is resistant to dust and water ingress, making it suitable for challenging, rugged environments.

Safety Features

The Megger MFT1741+ Multifunction Tester’s EN61010 CAT IV safety rating means that can be connected anywhere within a low voltage network on a single- or three-phase system and ensures that it is able to withstand accidental misuse and voltage transients.

In addition to this, the Megger MFT1741+ Multifunction Tester will issue a visual and audible warning when a hazardous voltage is detected and will halt testing if the detected voltage exceeds a safe level. If a live voltage is detected during insulation and continuity tests, the value of the potential difference is indicated on the display; a warning beep is sounded and testing is stopped when this voltage breaches a safe level.

Battery

The Megger MFT1741+ Multifunction Tester is powered by internal, rechargeable batteries. These batteries take less than four hours to recharge, allowing the user to maximise uptime.

This limited edition, black Megger MFT1741+ Multifunction Tester is easy-to-use and ergonomic with an eclectic array of electrical testing capabilities. It is ideal for electrical installation and verification applications pertaining to low voltage building wiring and distribution testing scenarios.

Megger MFT1741+ Multifunction Tester – Black, Limited Edition Key Features

  • Limited edition, black version of the Megger MFT1741+ Multifunction Tester
  • Includes all the testing, administrative and practical features present on the Megger MFT1741+ Multifunction Tester
  • Troubleshoot and verify the installation and safety of industrial, commercial and domestic fixed wiring installations
  • Includes all the tests required to complete the relevant electrical certification for the aforementioned systems
  • An eclectic selection of electrical tests (see above)
  • Optimised for testing low voltage electrical installations in areas with high electrical noise
  • Conduct full single- and three-phase insulation testing
  • Single- and three-phase RCD tests between 10mA and 1A
  • NEW tests for EVSE RCDs: automatic test sequences and 6mA DC test (OPTIONAL accessory required)
  • NEW non-trip loop impedance technology
  • Loop impedance testing of 10mA type AC and A RCDs
  • Non-trip loop impedance tests can be performed in eight seconds
  • Prevents RCDs from influencing the total loop impedance value
  • NEW confidence meter: indicates the degree of confidence in the accuracy of the loop impedance value
  • Confidence meter improves reliability: the digital ARC indicates the analytical process, and the measurement is continually monitored and adjusted in reference to the circuit noise.  
  • Large, clear, backlit, dual-readout display
  • Digital/ analogue arc indicates fluctuating readings
  • Dual digital readout: shows the exact reading and test parameters in parallel
  • Save up to 1000 measurements to the internal memory
  • Download results via Bluetooth
  • Ambidextrous design: TEST and LOCK buttons on either side of the unit
  • Colour-coded controls for fast, easy and accurate function and/or range selection
  • No hidden and/or complicated menus
  • Automatic test start: useful when on a ladder and/or when holding probes as the TEST button does not have to be pressed to start testing
  • Included neck strap
  • Can stand independently
  • IP54: resistant to dust and water ingress
  • Rubber over-mould
  • Suitable for use in challenging, rugged environments
  • EN61010 CAT IV safety rating
  • Can be connected anywhere within a low voltage network on a single- or three-phase system
  • Able to withstand accidental misuse and voltage transients
  • Issues an audible and visual warning when a hazardous voltage is detected
  • Indicates the value of the hazardous voltage on the display
  • Issues a warning beep and stops testing when the hazardous voltage exceeds a safe level
  • Powered by internal, rechargeable batteries
  • Batteries take less than four hours to recharge
  • Easy-to-use and ergonomic with an eclectic array of electrical testing capabilities
  • Ideal for electrical installation and verification applications pertaining to low voltage building wiring and distribution testing scenarios

What’s Included?

  • Megger MFT1741+ Multifunction Tester – Black, Limited Edition
  • Printed Quick Start Guide
  • Full User Guide (CD)
  • Calibration Certificate
  • Megger SP5 Switched Probe
  • Megger Neck Strap
  • 3-Wire Lead Set with Prods and Clips
  • Mains Plug Test Lead
  • AC Battery Charger
  • Large Soft Pouch with Extra Storage
Part Code1012-603

Megger MFT1741+ Multifunction Tester Technical 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
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
IP rating IP54
Calibration temperature +20 °C
Temperature coefficient <0,1% per °C For test environments see service data.
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