MT500 Analogue Insulation Tester
Order Me In, Once ordered this item will likely dispatch before the 22nd of September 2025, call 1300 737 871 (NZ 0800 737 871) to confirm.
The MT500 is a 1000V Analogue Insulation Tester rugged, compact and easy to use Insulation and Continuity Tester. The instrument offers three insulation test ranges: 250V, 500V and 1000V, a 3Ω continuity range and a 500Ω resistance range.
This meter is not only equipped with a “Live Circuit Warning” but also displays the actual AC voltage measurements of the mains supply. The scale has a backlight which is ideal when working in dimly lit environments.
$295.90 AUD Inc. GST




The MT500 is a 1000V Analogue Insulation Tester rugged, compact and easy to use Insulation and Continuity Tester. The instrument offers three insulation test ranges: 250V, 500V and 1000V, a 3Ω continuity range and a 500Ω resistance range.
This meter is not only equipped with a “Live Circuit Warning” but also displays the actual AC voltage measurements of the mains supply. The scale has a backlight which is ideal when working in dimly lit environments.
Features
- Three test ranges 250V-500V-1000V
- 600V AC voltage range
- Live Circuit warning and buzzer
- Data Hold function
- 1mA output current on insulation test
- 200mA short circuit on continuity range
- Automatic discharge after test
- Front panel zero adjustment for test lead resistance
- Lock down Test Button for continuous use
- Hands free strap and magnet supplied as standard accessories
- Rubber overmould housing
- Illuminated display
Specifications
AC voltage:
- Range: 1V – 600V
- Resolution: 20V
- Accuracy: ± (3.0%)
Resistance:
- Range: 0.05Ω–500Ω
- Resolution: 0.05Ω
- Accuracy: ± (3.0%)
Insulation resistance (250V):
- Range: 250V
- Resolution: 0 – 100M
- Accuracy: ± (5.0%)
Insulation resistance (500V):
- Range: 500V
- Resolution: 0 – 200M
- Accuracy: ± (5.0%)
Insulation resistance (1000V):
- Range: 1000V
- Resolution: 0 – 400M
- Accuracy: ± (5.0%)
General specs:
- Short circuit current: 1.3mA
- Current measurement Range: 200mA @ 4.5V
- Overrange indication: Yes
- AC Bandwidth: 40Hz – 400Hz
- Digital Display: Analogue Display
- Continuity: Yes
- Auto discharge: Yes
- Input impedance : >1.2M VAC
- Data Hold: Yes
- Back Light: Yes
- Enclosure: Double moulded
- Low battery indication: Yes
- Power source: 6 x R6
- Weight: 700g
- Dimensions: 200 x 92 x 50mm
- Safety Specs: IEC61010-1 CatIV 600V
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Our Australian experts have access to a huge range of products from national and international suppliers.
If for any reason you have trouble using this form please email the following address and your enquiry will still receive a response from a scientist within 3 business hours: scientists@instrumentchoice.com.au