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Megger MIT330 Insulation and Continuity Tester

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MEGIT5
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The most advanced overall model in Megger's MIT330 series, this comprhensive tester includes everything you'll need for testing both insulation and continuity.

Insulation testing can be performed at selectable test voltages of 250, 500 and 1000V with a built-in insulation limit alarm from 0.01MΩ to 999MΩ. Continuity testing can be performed across a wide range with an adjustable buzzer (and the option to disable) and dedicated voltage and resitance measurement functions are also included.

Megger's MIT330 is the only model in the MIT300 series which comes with internal memory and download to PC. This makes it significantly easier to manage and view back measurement data without the hassle of jotting everything down in a pad.

A number of other additional features are also included such as a built-in voltmeter, backlit display, locking test button and a protective cover for the unit when not in use.

Megger MIT330 Insulation and Continuity Tester Key Features

  • Insulation test voltages of 250, 500 and 1000V
  • Insulation limit alarm
  • Continuity testing with adjustable buzzer
  • Voltage measurements to 600V (AC/DC)
  • Resistance measurements from 10Ω to 1MΩ
  • Default voltmeter
  • Backlit display with adjustable intensity
  • Locking test button
  • Auto shutdown when left idle
  • Switched test probe - activate the tester using the probe
  • IP54 weatherproofing
  • Compatible with rechargeable batteries
  • 1000 record memory with download

What's Included?

  • Megger MIT330 Insulation and Continuity Tester
  • Test Lead Set with Croc Clips
  • SP4F Switched Probe

Accessories 

Please find below a selection of accessories available for the Megger MIT330 Insulation and Continuity Tester. For further information, please contact our sales team. 

Our SKU Megger's Part Number Product
MEGITA1 1002-001B Unfused Lead Set, Red/Black (Boxed)
1000-562 1000-562 Test Lead Probe Cap [Clear] Bag of 20
MEGRCDA4 1002-015B Fused Test Lead Set Red/Black Red FF500mA 50kA (Boxed) 
1002-491 1002-491B Prod & Clip Set - Insulation Testers
6121-561 6121-561 Fuse Set 5x500mA(F) 600V  
1004-610 1004-610 Lead USB Type A to Type B 1.8m 
1007-003 1007-003 Blow Moulded Case Catch - Pack of 10  
MEGSW1 1000-631 Powersuite Lite - 17th Edition and PAT Certification Software
SP4F 1007-156 SP4F Remote Switched Probe
Please note that the accessories listed above and the attached datasheets are subject to change. Both were correct at the time of publication. 
Accessories related to this product:
  1. Megger 6121-561 Fuse Set
    Megger 6121-561 Fuse Set
    SKU6121-561
    Lead Time: 1-2 Weeks
    £16.80 £14.00
  2. Megger PAT Certification Software
    £246.00 £205.00
  3. Megger 1002-491 Probe & Clip Set for Megger's Insulation Testers
    £30.60 £25.50
  4. Megger 1007-156 SP4F Remote Switched Probe
    £64.80 £54.00
  5. Megger Standard Test Leads
    £31.75 £26.46
  6. Megger 1004-610 Data/ Printer 1.8m Lead - USB Type-A to Type-B
    £9.90 £8.25
  7. Megger Fused Test Leads (Red/Black)
    £63.00 £52.50
  8. Megger 1007-003 Blow Moulded Case Catch
    £14.40 £12.00
  9. Megger Clear Probe Caps for MFT 1500 Series - Bag of 20
    £20.70 £17.25
Part CodeMIT330-EN

Megger MIT300 Series Technical Specifications

Nominal Test Voltage MIT310, 310A, 320, 330: 1000V, 500V, 250V (DC)
MIT300: 500V, 250V (DC)
Measuring Range 10kΩ to 999MΩ on all ranges
Short Circuit Current 1.5mA nominal
Test Current on Load 1mA at min. pass values of insulation (as specified in BS7671, HD 384 and IEC 364)
Accuracy (at 20°C) MIT300, 310, 320, 330: ±3% ± 2 digits up to 10MΩ, ±5% up to 100MΩ, ±30% up to full scale
MIT310A: <2.5% of scale length (or 30% of reading 200kΩ to 10MΩ)
Continuity  
Measuring Range 0.01Ω to 99.9Ω (0-50Ω on analogue scale)
Open Circuit Voltage 5V ± 1V
Short Circuit Current MIT300, 310, 320, 330: 205mA + 10mA -5mA
MIT310A: 200-250mA
Continuity Accuracy MIT300, 310, 320, 330: ±3% ± 2 digits
MIT310A: ±2.5% of scale length (or 30% of reading 0.2 to 2kΩ)
Measuring Range 0-2/20/200/2kΩ
Open Circuit Voltage 1.5V ± 0.5V
Zero Offset Adjust MIT300, 310, 320, 330: 0 - 9Ω
MIT310A: 0 to 0.5Ω
Continuity Buzzer MIT300, 310: operates at <5Ω
MIT 320, 330: adjustable from 1Ω to 20Ω
MIT310A: operates at <5Ω
MIT300, 310, 320, 330: response time <20ms
MIT310: response time <100ms
Resistance Range (MIT320/330)  
Measuring Range 10Ω to 1MΩ
Open Circuit Voltage 5V
Short Circuit Current 1.5mA
Accuracy (at 20°C) ±5 ± 2 digits up to 100kΩ
Measuring Range (MIT310A) 0 to 2kΩ (refer to continuity)
Voltage Range  
Measuring Range 0 to 600V AC (50/60Hz) or DC
Accuracy (at 20°C) MIT310, 320, 330: DC or AC (50/60Hz): ±1% ± 2 digits
MIT310A: ±2.5% of scale length for 50/60Hz
Temperature Coefficient <0.1°C per °C on all ranges
Default Voltmeter  
MIT310, 320, 330 >25V AC or DC is applied display will operate as a voltmeter
MIT300 Beeps and flashes V on the display
MIT310A All modes including OFF
Test Inhibit If more than 50V is detected testing will be inhibited
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