Megger MIT320 Insulation and Continuity Tester

Megger

£479.00 / £574.80 incl VAT

⚡ Insulation testing at 250, 500 and 1000V with test range of up to 999MΩ

⚡ Insulation limit alarm with range from 0.01MΩ to 999MΩ

⚡ Continuity testing to 100Ω with buzzer (adjustable from 1 to 20Ω – can be disabled)

⚡ Lead null to 9Ω

⚡ Voltage measurements to 600V (AC/DC)

⚡ NO QUIBBLE GUARANTE

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Description

The Megger MIT320 is the second-highest specification model available in Megger’s MIT300 series and is the upgraded version of the MIT300, MIT310 and MIT310A.

A powerful, handheld and easy to use insulation and continuity tester, the Megger MIT320 is made tough for use on site, with rubber armoured casing and rigid display cover which locks down to protect the tester when not in use.

Megger’s MIT320 can perform insulation tests with test voltages of 250, 500 and 1000V with maximum testing range of up to 999MΩ. Testing procedures can be activated directly from the tester, or alternatively you can use the switched probe supplied with the MIT320 to activate the tests remotely. For added convenience, continuity testing will automatically activate when connected to the circuit.

The main exclusive additions which are added to this unit compared to other MIT300 units include an insulation limit alarm (from 0.01MΩ to 999MΩ), adjustable continuity buzzer (1 to 20Ω) with the ability to disable and the ability to carry out resistance measurements from 10Ω to 1MΩ.

Megger’s MIT300 series is built with safety in mind – this insulation tester includes a number of protective safety measures including a Safety Interlock which will prevent unsafe test lead connection, safe contact detectors which will protect the tester even if the MIT is connected to live circuits when on continuity setting and even a safety lockout which will prevent the test from operating if voltage is above 50V.

Megger MIT320 Insulation and Continuity Tester Key Features

  • Insulation testing at 250, 500 and 1000V with test range of up to 999MΩ
  • Insulation limit alarm with range from 0.01MΩ to 999MΩ
  • Continuity testing to 100Ω with buzzer (adjustable from 1 to 20Ω – can be disabled)
  • Lead null to 9Ω
  • Voltage measurements to 600V (AC/DC)
  • Resistance measurements from 10Ω to 1MΩ
  • Backlit LCD display for use in poor lighting conditions
  • Locking test button for continuous testing
  • Automatic power off
  • Switched test probe allows tests to be remotely activated without actually touching the meter
  • IP54 weatherproof design
  • Suitable for use with rechargeable batteries
  • Rigid display cover folds over the unit to protect it during transportation
  • Colour-coded ranges make it easier to select the test you want
  • Hangs comfortably around the neck for hands-free use
  • Automatic continuity test activation when connected to a circuit
  • Safety interlock prevents unsafe test lead connection
  • Safety lockout prevents the test from operating if voltages above 50V are detected
  • Meets and exceeds the standards of the UK/International Wiring regulations including BS7671, VDE 0413 Parts 1 and 4, HD 384, IEC 364, NFC15-100, NEN3140, ES59005 and EN 61557
  • Includes 3 year warranty from Megger

What’s Included?

  • Megger MIT320 Insulation and Continuity Tester
  • Test Leads Set with Crocodile Clips (1002-001)
  • SP4F Switched Probe (6220-809)

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
  • Megger MIT320 Insulation and Continuity Tester
  • Test Leads Set with Crocodile Clips (1002-001)
  • SP4F Switched Probe (6220-809)
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