Description
• Microprocessor controlled high voltage insulation resistance tester with Diagnostic functions.
• Suitable for analyzing the insulation characteristics of cables, transformers, motors, generators, high-pressure switches, insulators, wiring installations, etc.
• 6 ranges: 500V, 1000V, 2500V, 5000V, 10000V, 12000V
Fine adjustment of voltage setting at each range is also possible
• Graphic representation of the insulation resistance and leakage current versus time on large display with bar graph and backlight.
• Can be operated from built-in rechargeable battery or from AC line.
• Automatic discharge after test with monitoring of the discharge voltage.
• Internal memory can store about 43,000 data (max).
• Robust design for field use with IP64 rating (with lid closed).
Insulation resistance (*): Accuracy is not guaranteed with setting of 250V or less
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Rated voltage
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500V
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1000V
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2500V
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5000V
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10000V
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12000V
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Max measurement value
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500GΩ
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1TΩ
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2.5TΩ
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5TΩ
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35TΩ
|
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Accuracy
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400k～50GΩ ±5%rdg±3dgt
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800k～100GΩ 5%rdg±3dgt
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2M～250GΩ ±5%rdg±3dgt
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4M～500GΩ ±5%rdg±3dgt
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8M～1TΩ ±5%rdg±3dgt
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50.1G～500GΩ
±20%rdg
(*)
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101G～1TΩ
±20%rdg
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251G～2.5TΩ
±20%rdg
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501G～5TΩ
±20%rdg
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1.01T～10TΩ
±20%rdg
|
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10.1T – 35TΩ
Values are displayed, but accuracy isn’t guaranteed
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Short circuit current
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Max 5.0mA
|
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Load resistor to output rated voltage
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0.5MΩ or more
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1MΩ or more
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2.5MΩ or more
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5MΩ or more
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20MΩ or more
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24MΩ or more
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Output voltage
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Rated voltage
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500V
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1000V
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2500V
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5000V
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10000V
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12000V
|
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Monitor accuracy
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±10%±20V
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±10%±20V
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±10%±20V
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±10%±20V
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±10%±20V
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±10%±20V
|
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Output accuracy
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0 – +20%
|
0 – +10%
|
0 – +10%
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0 – +10%
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-5 – +5%
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-5 – +5%
|
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Selectable range
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50 – 600V
(in steps of 5V)
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610 – 1200V (in steps of 10V)
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1225 – 3000V (in steps of 25V)
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3050 – 6000V (in steps of 50V)
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6100 –
10000V (in steps of 100V)
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10100 – 12000V (in steps of 100V)
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Voltage measurement
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Measuring range
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DCV：±30 ～ ±600V、ACV：30 ～ 600V （50/60Hz）
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Accuracy
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±2%rdg±3dgt
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Current measurement
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Measuring range
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5.00nA – 2.40mA (Depending on the insulation resistance)
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Capacitance measurement
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Measuring range
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5.0nF ～ 50.0μF
(500V/1000V/2500V/5000V)
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5.0nF – 1.0µF (display range: 5.0nF – 50.0µF) (10000V/12000V)
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Accuracy
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±5%rdg±5dgt
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General
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Applicable standards
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IEC 61010-1 CAT IV 600V Pollution degree 2,
IEC 61010-031, IEC 61326, IEC 60529 (IP64): with the lid closed.
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Operating temperature & humidity range
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-10ºC – Relative humidity 85% or less
50ºC /(when operating with an external power supply, no condensation)
0ºC – 40ºC /Relative humidity 85% or less
(when operating with battery, no condensation)
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Storage temperature & humidity range
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-20ºC – 60ºC / Relative humidity 75% or less (no condensation)
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Power source
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Rechargeable Lead storage battery (12V)*
Charging time: approx. 8 hours / AC Power supply (100V – 240V, 50/60Hz)
* Continuous measuring time:
approx. 4 hours
(a load of 100MΩ at the Insulation resistance 12000V Range.)
approx. 2 hours
(Max current consumption in range while rated currents are maintained.)
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Dimensions
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330 (L) × 410 (W) × 180 (D) mm *Instrument and Hard case
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Weight
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9kg approx. (including battery) *Instrument and Hard case
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Included Accessories
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7170 (Main cord), 7224A (Earth cord), 7225A (Guard cord), 7226A (Line probe),
7227A (Line probe with alligator clip), 8029 (Extension prod),
8212-USB-W (USB adaptor with KEW Windows (Software)),
Instruction manual
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Optional Accessories
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7254 (Longer Line probe with alligator clip)
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