Megger MIT485 Insulation Tester, 50 V Min, 500 V Max CAT IV

RS Stock No.:: 122-6809
Mfr. Part No.:: 1004-742
Brand:: Megger

Megger MIT485 Insulation Tester, 50 V Min, 500 V Max CAT IV

Subtotal (1 unit)*

£1,143.00

(exc. VAT)

£1,371.60

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

2 unit(s) shipping from 29 January 2026
Plus 1 unit(s) shipping from 19 March 2026
Plus 2 unit(s) shipping from 01 April 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£1,143.00

*price indicative

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RS Stock No.:: 122-6809
Mfr. Part No.:: 1004-742
Brand:: Megger

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Megger
	Model Number	MIT485
	Product Type	Insulation Tester
	Tester Type	Insulation Tester
	Maximum Test Voltage	500V
	Minimum Test Voltage	50V
	Display Type	Digital
	Test Current	205mA
	Power Source	Battery
	Battery Type	Nickel-Metal Hydride, Alkaline
	Minimum Operating Temperature	-20°C
	Safety Category Voltage	600V
	Safety Category Level	CAT IV
	Maximum Operating Temperature	55°C
	Width	50 mm
	Height	220mm
	Length	92mm
	Standards/Approvals	IEC 61326-1
	Weight	775g

	Select all
	Brand Megger
	Model Number MIT485
	Product Type Insulation Tester
	Tester Type Insulation Tester
	Maximum Test Voltage 500V
	Minimum Test Voltage 50V
	Display Type Digital
	Test Current 205mA
	Power Source Battery
	Battery Type Nickel-Metal Hydride, Alkaline
	Minimum Operating Temperature -20°C
	Safety Category Voltage 600V
	Safety Category Level CAT IV
	Maximum Operating Temperature 55°C
	Width 50 mm
	Height 220mm
	Length 92mm
	Standards/Approvals IEC 61326-1
	Weight 775g

Datasheet

COO (Country of Origin):: GB

Megger Insulation Tester, 0.1kΩ Resolution, 800g Weight - MIT480/2 Series - 1004-742

Keep tabs on the electrical resistance of your communication equipment and cables with this insulation tester from Megger. It assesses how much your appliances oppose the current flow, ensuring they're safe to use in volatile settings. The unit features an innovative three-terminal measurement feature that lets you plug in your tip, ring and ground test leads simultaneously, saving time and hassle. With a testing capacity between 10 and 100GΩ, this multitasker is handy for domestic, commercial and industrial use.

Features & Benefits

• Dual digital display shows you the main results and supplementary data (such as frequency) simultaneously

• Powered by six AA batteries that provide energy for up to 3000 measurements at 500V, assuring you of long-term performance

• Rubber over-moulding and ABS housing to withstand rough handling

• IP54 rating indicates that it's protected against limited amounts of dust and light water sprays

Applications

• Power generation plants

• Charge amplifiers

• Transformers and switchgear

Does this tester have an audible indicator?

Yes, its built-in buzzer goes off when the insulation limit goes above a preset threshold. You can turn the alarm off or on using a simple push button.