Megger MIT525/2 Advanced 5kV HV Insulation Resistance Tester

  • 5 kV output and selectable test voltages
  • 10 TΩ range with 6 mA noise immunity ensured
  • USB and Bluetooth logging for data transfer
  • CAT IV 600 V rating and IP65 sealed enclosure
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£3,099.00 (ex VAT)

£3,718.80 (inc VAT)

Earn 3099 points

In Stock - Express Delivery Available
  • 5 kV output and selectable test voltages
  • 10 TΩ range with 6 mA noise immunity ensured
  • USB and Bluetooth logging for data transfer
  • CAT IV 600 V rating and IP65 sealed enclosure
Free Shipping

Spend over £100 on any new goods order and receive automatic free shipping

Rewards

Points make purchases! For every £1 spent, earn back 1p that can be spent on any future new goods purchase

Our Price Promise

We offer a Price Match Promise! Find an equivalent tester for a cheaper price on a competitor site, and we’ll do our best to match it

Express Delivery & Calibration

Express Delivery is currently unavailable for customers wishing to add calibration to their New Goods order. For more information, visit our Delivery Information page. 

£3,099.00 (ex VAT)

£3,718.80 (inc VAT)

Earn 3099 points

In Stock - Express Delivery Available
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This Megger MIT525/2 insulation tester gives clear, stable readings in the field. It suits motors, cables, switchgear, and transformers across busy sites. In one portable unit you get noise rejection, data logging, and quick charging for long sessions. The Megger MIT525/2 Advanced 5kV HV Insulation Resistance Tester sits at the centre of a robust HV maintenance kit.

Fast control and simple workflows

You set test voltage fast with direct keys and dials. You move between jobs with clear prompts and an easy backlit display. Then you store results on board and move them to a PC or app with USB or Bluetooth, keeping evidence tidy and traceable.

Stable results in tough environments

Strong noise immunity keeps values steady near energised plant. A tough case protects the instrument and seals out dust and water when closed. Work indoors or outdoors with confidence and keep momentum across a shift.

You can trend condition with timed tests and diagnostic modes. You shorten test time with a wide timer range and fast charge. Service teams gain repeatable numbers that inform safe decisions and planned work.

Key features
  • Handles motor, cable, transformer and switchgear testing on site with clear guided control
  • Stores results for later review so you can prove work and track asset health over time
  • Transfers data by USB or Bluetooth which supports quick reporting after a shift
  • Resists electrical noise so readings stay steady even around live equipment
  • Uses a sealed carry case that closes to keep out dust and water during transport
  • Supports timed and diagnostic workflows which helps you spot trends early
  • Runs for long sessions between charges which reduces downtime in the field
  • Works in cold and hot conditions which suits UK plants and outdoor substations
  • Shows readings on a large backlit screen which helps in low light areas
  • Fits into standard HV test routines so teams can adopt it without retraining
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This Megger MIT525/2 insulation tester gives clear, stable readings in the field. It suits motors, cables, switchgear, and transformers across busy sites. In one portable unit you get noise rejection, data logging, and quick charging for long sessions. The Megger MIT525/2 Advanced 5kV HV Insulation Resistance Tester sits at the centre of a robust HV maintenance kit.

Fast control and simple workflows

You set test voltage fast with direct keys and dials. You move between jobs with clear prompts and an easy backlit display. Then you store results on board and move them to a PC or app with USB or Bluetooth, keeping evidence tidy and traceable.

Stable results in tough environments

Strong noise immunity keeps values steady near energised plant. A tough case protects the instrument and seals out dust and water when closed. Work indoors or outdoors with confidence and keep momentum across a shift.

You can trend condition with timed tests and diagnostic modes. You shorten test time with a wide timer range and fast charge. Service teams gain repeatable numbers that inform safe decisions and planned work.

Key features
  • Handles motor, cable, transformer and switchgear testing on site with clear guided control
  • Stores results for later review so you can prove work and track asset health over time
  • Transfers data by USB or Bluetooth which supports quick reporting after a shift
  • Resists electrical noise so readings stay steady even around live equipment
  • Uses a sealed carry case that closes to keep out dust and water during transport
  • Supports timed and diagnostic workflows which helps you spot trends early
  • Runs for long sessions between charges which reduces downtime in the field
  • Works in cold and hot conditions which suits UK plants and outdoor substations
  • Shows readings on a large backlit screen which helps in low light areas
  • Fits into standard HV test routines so teams can adopt it without retraining
Technical Specifications

 

Model rangeAdvanced series 5 kV, 10 kV, 15 kV; this model is the 5 kV version
Manufacturer part code (UK)1016-084
Insulation resistance rangeDigital 10 kΩ to 10 TΩ; analogue 100 kΩ to 10 TΩ
Selectable test voltages250 V, 500 V, 1 kV, 2.5 kV, 5 kV, plus user-defined steps
Short-circuit/charge current1 mA, 3 mA default, up to 6 mA at 5 kV from mains supply
Interference rejection6 mA from 450 V to 5 kV to maintain stable readings
Capacitance measurement10 nF to 25 μF when test voltage is above 500 V
Capacitor charge timeLess than 3 s/μF at 3 mA to 5 kV
Capacitor dischargeLess than 250 ms/μF from 5 kV to 50 V
Current range and accuracy0.01 nA to 6 mA; ±5% ±0.2 nA at 20 °C
Voltmeter30 V to 660 V AC/DC, 45–65 Hz; ±3% ±3 V
TimerUp to 99 min 59 s with 15 s minimum setting
Diagnostic modesIR, IR(t), PI, DAR, Step Voltage, Dielectric Discharge, Ramp, PDC output
Memory and logging5.5 hours logging at 5 s intervals; real-time 1 Hz V/I/R output
InterfacesUSB Type B device port and Bluetooth Class 2
Guard terminalHigh-performance guard; typical IG ≥5000× IL at 100 GΩ / 5 kV with ≤1% error
Environmental limitsOperating −20 °C to +50 °C; storage −25 °C to +65 °C; 90% RH at 40 °C non-condensing
IP protectionIP65 with lid closed; IP40 with lid open
SafetyCAT IV 600 V to 3000 m altitude; IEC 61010-1 compliant
Dimensions315 × 285 × 181 mm
WeightApprox. 4.5 kg
Power and battery10.8 V 5.2 Ah Li-ion pack; typical 6 h continuous testing at 5 kV with 100 MΩ load
Charge timeAbout 2 to 2.5 hours depending on discharge level
ApplicationsCondition testing of motors, generators, cables, switchgear and transformers
WarrantyTwo years, with the second year conditional on registration
What’s Included
  • Power lead
  • Screened USB cable with filters
  • 3 m x 3 lead set with medium insulated clips for 5 kV use
  • Quick start label

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