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Megger MIT515 5kV Tester
  • Megger MIT515 5kV Tester
  • Megger MIT515 5kV Tester
  • Megger MIT515 5kV Tester
  • Megger MIT515 5kV Tester

Megger MIT515 5kV Tester

Megger approved distributor and service centre.

Includes: Megger MIT515 Insulation Tester, 3 x 3m Test Leads & Medium Insulated Clips, Calibration Certificate, Power Lead and MIT515 User Guide on CD.

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Offering CAT IV, the Megger MIT515 is the simplest of Megger's range of small, light HV insulation resistance testers for the testing and maintenance of high voltage electrical equipment. Enclosed in a tough case it is both smaller and lighter than its predecessor making it even easier to carry and store.

The MIT515 Insulation resistance tester (IRT) is primarily controlled by two rotary switches and a TEST button used to start and stop a test. The central rotary switch includes an ‘OFF’ position; the instrument switches on by rotating the switch either clockwise or anticlockwise from this position. A range of test voltages for insulation resistance tests up to 5 kV. The ‘lockable’ test voltage range can be adjusted in the settings function.

The settings function is indicated by a spanner symbol and facilitates lock voltage, low resistance alarm, temperature, time/date adjustment. A light blue coloured section of the rotary switch denotes memory functions; open records, download via USB and delete records.

A voltmeter is incorporated in the instrument and measures AC/DC voltage from 30 V to 660 V. Frequency (Hz) is measured and displayed for AC voltages. Voltmeter mode is activated by switching to ‘V’ mode.

Now equipped with lithium ion fast rechargeable batteries, the instrument has a large, clear, easy to read, display making it equally suitable for use in both bright sunlight and poorly lit environments. Information displayed includes resistance, voltage, leakage current, capacitance, battery status and time constant.

The Megger MIT515, MIT525 and MIT1025 can be powered from the mains supply or by it’s rechargeable battery, which provides for 4½ to 6 hours of continuous testing with a 100 MΩ load, depending on model. The battery pack contains Lithium-ion cells and should be replaced when it no longer holds a charge. A new battery is available as a spare part from Megger. The battery pack is housed within a grey moulded cover secured by four screws. On no account must the transparent inner case be opened. Hazardous voltages up to 5kV will be exposed.


Small and light.
Measures up to 10 TΩ.
Selectable test voltage from 250 to 5000 V.
PI, DAR, DD test.
Improved productivity – operate from line power/mains if battery dead.
Li ion battery - extended capacity, rapid charge.
Mains / line operation even with totally dead battery.
Dedicated AC/DC voltage range with frequency (Hz) measurement.
Date and time stamped test results.
CATIV 600 V safety rating.
Tough dual case construction .
Fully specified guard terminal performance.

Megger MIT515, MIT525 & MIT1025 Intro and Demonstration

Megger MIT515 Specifications:
Test voltages
250 V, 500 V, 1000 V, 2500 V, 5000 V, V Lock.
Resistance range 10 kΩ to 10 TΩ @ 5 kV.
Lock Test Voltage 100 V to 1 kV in 10 V steps
1 kV to 5 kV in 25 V steps.
Guard Terminal Performance Guards out parallel leakage resistance down to 250 kΩ with a maximum additional resistance error of 1% with a 100 MΩ load.
Display Analogue: 100kΩ to 10TΩ
Digital: 10kΩ to max a above.
Short Circuit/Charge Current 3mA @ 5kV.
Insulation Test Alarm: 100kΩ to 10GΩ.
Capacitor Charge <3 s/μF at 3 mA to 5 kV.
Capacitor Discharge <120 ms/μF to discharge from 5000 V to 50 V.
Capacitance Range (with voltage set above 500V) 10 nF to 25 μF.
Capacitance Measurement Accuracy ±10% ±5 nF.
Current Range 0.01 nA to 6 mA.
Current Accuracy ± 5% ± 0.2 nA at all voltages (23°C).
Interference 3 mA from 450 V to 5 kV.
Voltmeter range 30 V to 660 V ac or dc, 45Hz – 65Hz.
Timer range Up to 99 minutes 59 seconds, 15 second minimum setting.
Test modes IR, IR(t), DAR, PI.
Operating temperature range -20 °C to 50 °C.
Battery life 6 hours (typical) continuous testing at 5 kV with a 100 MΩ load.
Battery charge time 2.5 hours deep discharge, 2 hours normal discharge.
IP rating IP65 (lid closed), IP40 (lid open).
Dimensions 315 x 285 x 181mm.
Weight 4.5kg.
Megger MIT515 Warranty 2 year.


Megger HV Insulation Datasheet

PDF Specifications of the Megger MIT515, MIT525, MIT1025 & MIT1525 HV Insulation Testers.

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Megger MIT515 5kV Tester
Lead Sets
3 x 5 m with large insulated clips. 1002-645
Lead Sets 3 x 8 with large insulated clips. 1002-646
Lead Sets 3 x 5 m with medium insulated clips. 1002-641
Lead Sets 3 x 8 m with medium insulated clips. 1002-642
Lead Sets
3 x 10 m with medium insulated clips. 1002-643
Lead Sets 3 x 15 m with medium insulated clips. 1002-644
Screened Lead Sets 1 x 3 m, with 5 kV screened un-insulated small clips. 6220-835
Screened Lead Sets 1 x 15 m, with 5 kV screened un-insulated small clips. 6311-080
CB101 5 kV Calibration Box. 6311-077

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