Availability: Many in stock
This is the TENMA® 72-9405 model.
The model is insulation resistance tester. It is a handheld instrument designed primarily to measure resistance/insulation resistance.
Power: Power: 1.5V AA Cells × 8
LCD Size: 123mm × 58mm
Product Colour: Orange and Grey
Product Net Weight: 1.8 kg
Product Size: 202mm × 155mm × 94mm
- CAT III 600V
- 1 x Insulation Resistance Tester
- 2PCs of one plug test lead to one alligator clip(Black and Green)
- 1 PC of two plugs test lead to
- One alligator clip(Red)
- 1.5V Cells
- Tool Box
- USB Cable
- PC Software CD
- Power Adapter
- Auto Range
- Auto Power Off
- Low Battery Indication
- Data Logging: 18
- Polarization Index (PI)
- Dielectric Absorption (DAR)
- USB Interface
- LCD Backlight
- Analogue Bar Graph: 30
- Over Range Warning
- High Voltage Indication
- Timer: Around 15 minutes
The current Australian Standard, AS/NZS 3760:2003 specifies the tests required to be conducted in order to confirm the electrical safety of an item. Whilst the Australian Standard does not mandate a PAT should be used to conduct these tests, the use of a PAT remains one of the most comprehensive and efficient methods of ensuring an items electrical safety.
With a vast range of PAT's on the market in Australia ranging from hundreds of dollars to thousands of dollars, it is no wonder that some people are confused when it comes to the PAT that is best suited to their requirements. It is therefore vital for extensive research to be conducted prior to the purchase of a PAT as there are PAT's available that do not perform the tests required under AS/NZS 3760:2003.
So, what tests are required under the Standard?
This test checks for the integrity of the insulation that is protecting users from the live parts within the appliance.
Leakage Current Testing
This test involves "powering up" the appliance and measuring any current leakage. To conduct this test, the tester must be connected to the mains power.
A polarity test is conducted on a flexible supply cord with a re-wireable plug or socket to ensure the active and neutral wires are connected to the correct terminals.
An earth resistance test will confirm whether the earth connection of the equipment, between the plug and exposed external metal parts, or the plug and the socket, is no greater than 1Ω.
Approximately 90% of faults are identified from visual inspection prior to the completion of the required electrical tests. It is important to note that a true visual inspection is not a quick look at an appliance or even the application of a pass tag without even looking at the appliance!
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