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M
Megger Limited
Archcliffe Road, Dover
Kent CT17 9EN England
T +44 (0)1 304 502101
F +44 (0)1 304 207342
E uksales@megger.com
Megger
Z.A. Du Buisson de la Couldre
23 rue Eugène Henaff
78190 TRAPPES France
T +33 (0)1 30.16.08.90
F +33 (0)1 34.61.23.77
E infos@megger.com
Megger Pty Limited
Unit 26 9 Hudson Avenue
Castle Hill
Sydney NSW 2125 Australia
T +61 (0)2 9659 2005
F +61 (0)2 9659 2201
E ausales@megger.com
Megger Limited
110 Milner Avenue Unit 1
Scarborough Ontario M1S 3R2
Canada
T +1 416 298 9688 (Canada only)
T +1 416 298 6770
F +1 416 298 0848
E casales@megger.com
Megger products are distributed in 146 countries worldwide.
This instrument is manufactured in the United Kingdom.
The company reserves the right to change the specification or design
without prior notice.
Megger is a registered trademark
Part No. MIT415_2000-171_V01 1107
www.megger.com
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Summary of Contents for Megger MIT415
- Page 1 T +1 416 298 6770 F +1 416 298 0848 E casales@megger.com Megger products are distributed in 146 countries worldwide. This instrument is manufactured in the United Kingdom. The company reserves the right to change the specification or design without prior notice.
- Page 2 MIT415 Insulation and continuity tester User Guide...
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Page 3: Safety Warnings
Safety warnings Safety Warnings and Precautions must be read and understood before the instrument is used. They must be observed during use. The circuit under test must be switched off, de-energised, securely isolated and proved dead before test connections are made when carrying out insulation and continuity tests. - Page 4 Symbols used on the instrument: Caution: risk of electric shock Caution: refer to accompanying notes Displayed on the LCD during an insulation test, warns that a hazardous voltage may exist at the test lead probes also observe voltage discharges to a safe level. On battery cover see section 2.0 notes 10 and 11.
- Page 5 Note: Measured voltage must not exceed 600 V phase to earth or Phase to Phase. Note on TRMS measurement: IN TRMS mode the MIT415 will measure both AC and DC components of the supply voltage (AC+DC). In DC mode only the DC component is measured.
- Page 6 hazardous if touched. Always observe the safety precautions when performing an insulation resistance test, and ensure all necessary health and safety precautions are observed. Automatic Discharge: Capacitive circuits are automatically discharged when the test button is released following an insulation test.
- Page 7 DAR is the ratio between the insulation resistance values at 30seconds (assigned t1) and at 60 second interval (assigned t2). i.e. after 30seconds and 60seconds. DAR = 60 second value/30 second value During all insulation tests the symbol will flash indicating that a test voltage is present.
- Page 8 5. Observe the test result, displayed automatically. The auxiliary display indicates the actual test current (e.g. 205 mA. The maximum is defined in setup menu. Note: The test current displayed is the actual test current used during the test, which will depend on the resistance of the circuit under test.
- Page 9 indicates a value has been changed but not saved. 5. Save new limit by pressing the Lock [ ] button. Saved changed are effected when the Screen Lock symbol stops flashing and disappears. Battery and fuse replacement Battery condition and replacement The battery condition indicator is displayed at all times that the instrument is switched on, as below: 100%, 75% and 50%.
- Page 10 Specification All quoted accuracies are at +20 °C. Insulation Nominal test voltages: 10 V, 25 V, 50 V, 100 V, 250 V, 500 V Range full scale accuracy All ranges ±2% ±2 digits up to 100 MΩ. Then: 500 volts. ±3% ±2 digits ±0.4% per GΩ 250 volts.
- Page 11 Buzzer: Variable limit 1 Ω, 2 Ω, 5 Ω, 10 Ω, 20 Ω Resistance EN61557 operating range: 0,01 kΩ to 1000 kΩ (0 to 1 MΩ on analogue scale) Accuracy: ±3% up to 50 kΩ then ±5% ±2 digits Open circuit voltage: 5 V ±1 V Short circuit current: 1.5 mA ±0.2 mA...
- Page 12 Temperature effects Temperature coefficient <0,1% per °C up to 1 GΩ <0,1% per °C per GΩ above 1 GΩ Environmental Operating range: -20ºC to +55 °C Operating humidity: 95% RH at 0ºC to +35ºC, 70% RH +35ºC to +55ºC Storage temperature range: -30ºC to +80 °C Calibration Temperature: +20 °C...
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Page 13: Repair And Warranty
Approved Repair Companies Megger operates fully traceable repair and calibration facilities complemented by a network of approved repair and calibration companies, to offer excellent in-service care for your Megger products. Megger’s streamlined Returns Authorization system ensures your product is expected and enables you to track its progress on-line.
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