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Megger MIT310A Insulation and Continuity Tester

SKU
MEGIT3
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£328.80 £274.00
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The MIT310A is a fully analogue insulation and continuity tester designed to carry out insulation, continuity and voltage measurements.

When carrying out insulation measurements the MIT310A is able to perform testing across three different voltages: 250, 500 and 1000V with test range of 999MΩ. Continuity tests are performed up to 100Ω with built in continuity buzzer and voltage measurements are available at 600V both AC and DC.

The MIT310A is also built to last, and is made of specially designed rubber to protect it from bumps and knocks that might happen when you're out testing. The device also features a full retractable shield for the display portion of the tester, allowing you to protect the screen and dial during transporation.

The safety of the device doesn't stop there though - the MIT310A also includes Megger's Intelligent Safety System which makes sure that the person using the tester is protected from harm. Protection offered by this system is:

  • Safety interlock that prevents unsafe connection of test leads
  • Safe contact detectors that ensures the MIT310A remains safe even when connected to a live circuit and set to continuity testing
  • Live voltage warning when a circuit voltage is over 25V
  • Safety lockout prevents testing from going forward when voltage is more than 50V
  • Continuity check ensures a continuity/buzzer check can't be carried out on a live circuit

Megger MIT310A Key Features

  • Insulation range of 250, 500 and 1000V with test range of 999MΩ
  • Continuity test to 100Ω with continuity buzzer
  • Voltage measurements at 600V both AC and DC
  • Analogue display of test results
  • Tester comes in own protective carry case
  • Default voltmeter
  • Locking test button
  • IP54 weatherproofing
  • Accepts rechargeable batteries

Full List of Products Included

  • Megger MIT310A Insulation and Continuity Tester
  • Test Lead Set and Crocodile Clips
  • Hard Carrying Case
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Part CodeMIT310A-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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