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Megger MIT230 Insulation Tester

SKU: AVO/MIT230
  • Insulation tests to 1000 MΩ
  • Continuity down to 0.01 Ω
  • Auto discharge and test inhibit
  • Operates from -10°C to +55°C
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From £364.00 (ex VAT)

£436.80 (inc VAT)

Earn 364 – 394 points

In Stock - Express Delivery Available

Why buy from Test4Less?

  • Fast UK delivery
  • Full manufacturer warranty
  • 3 day calibration turnaround on eligible products
  • Price match promise
  • Official authorised distributor
  • Insulation tests to 1000 MΩ
  • Continuity down to 0.01 Ω
  • Auto discharge and test inhibit
  • Operates from -10°C to +55°C
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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. 

From £364.00 (ex VAT)

£436.80 (inc VAT)

Earn 364 – 394 points

In Stock - Express Delivery Available

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Megger MIT230 Insulation Tester

The Megger MIT230 Insulation Tester is a compact, reliable solution for insulation and continuity testing. With robust build quality and essential safety features, this tester meets the demands of both industrial and domestic applications. Its intuitive design makes it suitable for routine site maintenance and more complex system diagnostics.

This unit is ideal for testing motors, transformers, switchgear and fixed wiring systems. Whether used in service departments or for field operations, its lightweight profile allows for extended carrying without discomfort. It offers insulation testing at 250 V, 500 V and 1000 V, making it the highest specification model in Megger’s MIT200 series.

Reliable Performance and Safety

The Megger MIT230 Insulation Tester delivers continuity testing above 200 mA with a 0.01 Ω resolution. A live circuit warning with voltage display and test inhibit protects the user. Additionally, automatic discharge ensures residual voltage is safely removed after each test. The display includes both digital and analogue arcs for clarity in varying light conditions.

Practical Design for Everyday Use

This tester supports both alkaline and rechargeable batteries, helping to extend usability across multiple test sessions. It includes an automatic power-down feature after 10 minutes of inactivity. Built-in protective casing and a default voltmeter mode further enhance day-to-day efficiency, making this a trusted tool for engineers and technicians alike.

pdf
Megger MIT230 Insulation and Continuity Tester - Datasheet (Size: 68 KB)
pdf
Megger MIT230 Insulation and Continuity Tester - User Manual (Size: 372 KB)

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Megger MIT230 Insulation Tester

The Megger MIT230 Insulation Tester is a compact, reliable solution for insulation and continuity testing. With robust build quality and essential safety features, this tester meets the demands of both industrial and domestic applications. Its intuitive design makes it suitable for routine site maintenance and more complex system diagnostics.

This unit is ideal for testing motors, transformers, switchgear and fixed wiring systems. Whether used in service departments or for field operations, its lightweight profile allows for extended carrying without discomfort. It offers insulation testing at 250 V, 500 V and 1000 V, making it the highest specification model in Megger’s MIT200 series.

Reliable Performance and Safety

The Megger MIT230 Insulation Tester delivers continuity testing above 200 mA with a 0.01 Ω resolution. A live circuit warning with voltage display and test inhibit protects the user. Additionally, automatic discharge ensures residual voltage is safely removed after each test. The display includes both digital and analogue arcs for clarity in varying light conditions.

Practical Design for Everyday Use

This tester supports both alkaline and rechargeable batteries, helping to extend usability across multiple test sessions. It includes an automatic power-down feature after 10 minutes of inactivity. Built-in protective casing and a default voltmeter mode further enhance day-to-day efficiency, making this a trusted tool for engineers and technicians alike.

Key Features
  • Insulation testing at 250 V, 500 V and 1000 V
  • Continuity testing over 200 mA with 0.01 Ω resolution
  • Autoranging for insulation resistance measurement
  • Test inhibit if live voltage is detected over 50 V
  • Auto-discharge of test circuit after use
  • Voltage display for live circuit warning
  • Built-in continuity buzzer with 2 Ω threshold
  • Battery condition shown on four-bar graph display
  • Auto power-down after 10 minutes idle
  • Built-in protective carry case for durability

 

Technical Specifications
Specification Details
Nominal Test Voltages 1000 V, 500 V, 250 V (d.c.)
Insulation Resistance Range 10 kΩ – 1000 MΩ
Continuity Test Current >200 mA down to 0.01 Ω
Terminal Voltage (Open Circuit) -0 % to +25 % of rated voltage
Short Circuit Current 205 mA ±10 mA – 5 mA >18 mA (10–100 Ω)
Default Voltmeter Function Activated >25 V a.c. or d.c.
Test Inhibit Threshold If >50 V is detected
Voltage Display Range 25 V to 600 V @ 50/60 Hz a.c.
Accuracy (Insulation) ±1 % ±1 digit (25 V to 450 V a.c./d.c.), ±2 % ±1 digit (450 V to 600 V)
Operating Temperature Range -10 °C to +55 °C
Operating Humidity Max. 93 % R.H. at 40 °C
Storage Temperature Range -25 °C to +65 °C
IP Rating IP40
Fuse Specification 500 mA (F) 600 V, 32 x 6 mm, Ceramic HBC 50 kA
Safety Standards IEC61010-1 Cat III 600V
Power Supply 6 x 1.5 V IEC LR6 type (AA alkaline or NiMH rechargeable)
Battery Life 3000 consecutive tests (5 seconds/test with 2 Ah batteries)
Auto Power Down After 10 minutes of standby
Weight 530 g ± 5 %
Dimensions 195 x 98 x 40 mm
Display Digital/analogue arc with 4-bar battery status
Manufacturer Part Code MIT230
pdf
Megger MIT230 Insulation and Continuity Tester – Datasheet (Size: 68 KB)
pdf
Megger MIT230 Insulation and Continuity Tester – User Manual (Size: 372 KB)
What’s Included
  • Megger MIT230 Insulation and Continuity Tester
  • Lead set with prods and clips
  • Protective carry case

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