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Insulation Resistance Measurement
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Test voltage (DC)
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250 V
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< 250 kΩ,
250 kΩ to 5 GΩ
5 GΩ to 50 GΩ
> 50 GΩ
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Unspecified
5%
20%
Unspecified
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500 V
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< 500 kΩ
500 kΩ to 10 GΩ
10 GΩ to 100 GΩ
> 100 GΩ
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Unspecified
5%
20%
Unspecified
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1000 V
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< 1 MΩ
1 MΩ to 20 GΩ
20 GΩ to 200 GΩ
> 200 GΩ
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Unspecified
5%
20%
Unspecified
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2500 V
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< 2.5 MΩ
2.5 MΩ to 50 GΩ
50 GΩ to 500 GΩ
> 500 GΩ
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Unspecified
5%
20%
Unspecified
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5000 V
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< 5 MΩ
5 MΩ to 100 GΩ
100 GΩ to 1 TΩ
> 1 TΩ
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Unspecified
5%
20%
Unspecified
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Bar graph range
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0 to 1 TΩ (1550C) - 0 to 2 TΩ (1555)
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Insulation test voltage accuracy
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-0%, +10% at 1 mA load current
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Induced AC mains current rejection
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2 mA maximum
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Charging rate for capacitive load
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5 seconds per μF
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Discharge rate for capacitive load
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1.5 s/μF
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Leakage current measurement
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Range
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1 nA to 2 mA
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Accuracy
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± (5% + 2 nA)
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Capacitance measurement
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Range
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0.01 μF to 15.00 μF
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Accuracy
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± (15% rdg + 0.03 μF)
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Timer
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Range
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0 to 99 minutes
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Resolution setting
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1 minute
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Resolution indication
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1 second
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Live circuit warning
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Warning range
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30 V to 660 V AC/DC, 50/60 Hz
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Voltage accuracy
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± (15% + 2 V)
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Software specifications
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FlukeView Forms™ basic software requires a PC running Windows XP, Windows Vista , Windows 7 or Windows 8.
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General Specifications
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Display
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75 x 105 mm
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Power
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12 V lead-acid rechargeable battery, Yuasa NP2.8-12
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Charger Input (AC)
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85 V to 250 V AC 50/60 Hz 20 VA
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This Class II (double insulated) instrument is supplied with a Class 1 (grounded) power cord. The protective earth terminal (ground pin) is not connected internally. The extra pin is for added plug retention only.
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Dimensions
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269 x 277 x 160 mm (10.6 x 10.9 x 6.3 in)
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Weight
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3.7 kg (8.2 lb)
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Temperature (operating)
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-20°C to 50°C (-4°F to 122°F)
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Temperature (storage)
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-20°C to 65°C (-4°F to 149°F)
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Humidity
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80% to 31°C decreasing linearly to 50% at 50°C
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Altitude
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2000 m
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Enclosure sealing
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IP40
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Input overload protection
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1000 V AC
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Electromagnetic compatibility
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EN 61326
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Safety compliance
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IEC 61010-1: Overvoltage category II, Pollution Degree 2.
IEC 61010-2-030: Measurement 600V CAT IV / 1000V CAT III
IEC 61557-1, IEC 61557-2
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