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Megger MIT420/2 Insulation Tester with Memory

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1004-739
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Test insulation, continuity, voltage, capacitance and more, then store all the results with this insulation tester from Megger.

The upgraded version of the Megger MIT410/2, the MIT420/2's main benefit is its built-in memory storage. Whenever you're testing, all results can be stored directly on the tester with easy recall, making this tester ideal for testing over a period of time.

Featuring multiple selectable test voltages (50, 100, 250, 500 and 1000V variable), the Megger MIT420/2 is suitable for insulation testing up to a maximum of 200GΩ. It's also possible to use this tester to perform PI (polarisation index) and DAR (dielectric absorption ratio) tests.

This model is the official replacement for the original Megger MIT420. With a redesigned case with built-in backstand for hands-free use, plus new features, this product is ideal for use in both electrical and industrial inspections.

Megger MIT420/2 Insulation Tester Key Features

  • Selectable test voltages of 50, 100, 250, 500 and 1000V
  • Variable test voltage from 10V to 1000V
  • 2% test voltage accuracy
  • PASS/FAIL indication
  • Current test voltage display
  • Maximum insulation measurement range of 200GΩ
  • Polarisation index and dielectric absorption ratio tests
  • Continuity testing with automatic reverse polarity
  • AC/DC voltage measurements to 600V
  • mV AC/DC range
  • Frequency measurements from 15 to 450Hz
  • Capacitance measurements from 1nF to 10μF
  • Combined continuity and voltage measurements
  • Automatic power down
  • Built-in memory storage with easy recall
  • Suitable for being powered by standard AA or NiMH rechargeable batteries
  • CAT IV 600V and CAT III 1000V safety rated

What's Included?

  • Megger MIT420/2 Insulation Tester
  • Red/Black Silicone Test Leads with Probes and Clips
  • SP5 Remote Switch Probe
  • Owners Information CD
  • 6 x NiMH Rechargeable Batteries
  • Hard Carrying Case

Megger MIT400/2 Series Comparison Chart

There are several models available in this series - this chart outlines the difference between each.

Parameter MIT400/2 MIT410/2 MIT420/2 MIT430/2
Insulation
50/100V -
250/500/1000V
Variable - -
√PI-/DAR/Timed -
Lock Button on MΩ
Continuity
Continuity 0.01Ω to 1MΩ 100Ω
Auto Reverse Polarity (setup ON-OFF) -
Lead √Null (<10Ω)
Voltage
AC/DC Volts 600V
mV AC/DC Range
Frequency Measurements 15 to 400Hz -
Input Impedance 0.25MΩ 0.25MΩ 0.25MΩ 0.25MΩ
Capacitance
Capacitance 0.1nF to 10μF - -
Other Features
PASS/FAIL on Limit Alarms -
Auto Power Down (setup)
On-Board Memory - -
Bluetooth Download + Software - - -
AA Alkaline or NIMH Both Both Both Both
Recharger Ready - - -
CAT IV 600V / CAT III 1000V

Accessories 

Please find below a selection of accessories available for the Megger MIT420/2 Insulation Tester with Memory. For further information, please contact our sales team.

Our SKU Megger's Part Number Product
1010-013 1010-013 Magnetic Hanging Strap (MIT400 Mk2 / MIT480 Mk2)
1007-781 1007-781 1kV Silicon test leads w clips/prods
MEGITA1 1002-001B Unfused Lead Set, Red/Black (Boxed)
MEGRCDA4 1002-015B Fused Test Lead Set Red/Black Red FF500mA 50kA (Boxed)  
1002-774 1007-157B SP5 Remote Switched Probe (Boxed)
1002-491 1002-491B Prod & Clip Set - Insulation Testers
1007-637 1007-637 2.5 kV Silicone Test Leads + Clips x3
1000-562 1000-562 Test Lead Probe Cap [Clear] Bag of 20
5410-420 1007-169 Blow Moulded Case MIT400 Mk1 & Mk2 Series  
1007-887 1007-887 Carry Pouch MIT400/2 Series  
Accessories related to this product:
Part Code1004-739

Megger MIT400/2 Series Technical Specifications

Test Voltage
MIT 400/2 250, 500 and 1000V
MIT 410/2, 420/2 and 430/2 50, 100, 250, 500 and 1000V
Insulation Accuracy
Test Voltage Range Accuracy
50V 10GΩ ±2% ± 2 digits ± 4.0% per GΩ
100V 20GΩ ±2% ± 2 digits ± 2.0% per GΩ
250V 50GΩ ±2% ± 2 digits ± 0.8% per GΩ
500V 100GΩ ±2% ± 2 digits ± 0.4% per GΩ
1000V 200GΩ ±2% ± 2 digits ± 0.2% per GΩ
Display Range Analogue
1GΩ full scale
Resolution  
Short Circuit/Charge Current 2mA +0% to -50% to EN 61557-2 (2007)
Open Circuit Voltage Insulation -0 +2% ±2V
Test Current 1mA at min pass value of insulation to a max of 2mA max
Leakage 10% ± 3 digits
Voltage 3% ±3 digits ±0.5% of rated voltage
Timer Control 60 second countdown timer
Note Above specifications only apply when high quality silicone leads are being used
Continuity  
Continuity Measurement 0.01Ω to 999kΩ (0 to 1000kΩ on analogue scale)
Continuity Accuracy ± 3% ± 2 digits (0 to 100 Ω )
±5% ±2 digits (100 to 500kΩ)
(500kΩ to 1MΩ unspecified)
Service Error: BS EN 61557-4
(2007) - ± 2.0%, 0.1 Ω - 2 Ω
± 6.8%
Open Circuit Voltage 5V ±1V
Test Current 200mA (-0mA to +20mA)
(0.01Ω to 4Ω)
Polarity Single polarity (default) / Dual polarity (configurable on setup)
Lead Resistance Null up to 9.00Ω
Voltage  
Voltage Range AC: 10mV to 600V RMS sinusoidal (15Hz to 400Hz)
DC: 0 to 600V
Volt Range Accuracy AC: ±2% ±1 digit
DC: ±2% ±2 digit
Service Error: BS EN 61557-1
(2007) - ± 2.0% ± 2d,
0 V - 300 V AC/DC ± 5.1%
Waveform Unspecified range:
0 – 10 mV (15 to 400 Hz)
For non-sinusoidal waveforms
additional specifications apply
Non-sinusoidal waveforms:
±3% ± 2 digits >100 mV to
600 V TRMS
±8% ± 2 digits 10 mV to 100 mV
TRMS
Frequency  
Frequency Measurement Range 15Hz to 400Hz
Frequency Measurement Accuracy ±0.5% ±1 digit (100Hz to 400Hz unspecified)
Capacitance Measurement (MIT420/2 and MIT430/2)  
Capacitance Measurement 1nF to 10μF
Capacitance Measurement Accuracy ±5.0% ± 2 digits (0.1nF to 1nF unspecified)
Storage (MIT420/2 and MIT430/2)  
Storage Capacity >1000 test results
Data Download Bluetooth wireless
Bluetooth Class II
Range Up to 10m
General Specs  
Battery Life 3000 inuslation tests with duty cycle of 5 seconds ON/55 sec off @ 1000V into 1MΩ
Dimensions Instrument: 228 x 108 x 63mm (9.00 x 4.25 x 2.32inches)
Weight 600g (MIT400/2) (1.32lbs)
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