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Specification Fluke 1555
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Insulation resistance
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Test voltage (dc)
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Range
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Accuracy (± reading)
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250 V
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< 200 kΩ
200 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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< 200 kΩ
200 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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< 200 kΩ
200 kΩ 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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< 200 kΩ
200 kΩ 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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< 200 kΩ
200 kΩ to 100 GΩ
100 GΩ to 1 TΩ
>1 TΩ
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unspecified
5 %
20 %
unspecified
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10000 V
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< 200 kΩ
200 kΩ to 200 GΩ
200 GΩ to 2 TΩ
>2 TΩ
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unspecified
5 %
20 %
unspecified
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Bar graph range
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0 to 1 TΩ
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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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Range
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Accuracy
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Leakage current
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1 nA to 2 mA
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± (5 % + 2 nA)
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Capacitance
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0.01 uF to 15.00 μF
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± (15 % rdg + 0.03 μF)
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Range
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Resolution
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Timer
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0 to 99 minutes
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Setting: 1 minute. Indication: 1 second
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Warning range
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Voltage accuracy
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Live circuit warning
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30 V to 660 V ac/dc,
50/60 Hz
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± (15 % + 2 V)
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Display
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75 mm 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 ac 50/60 Hz 20 VA
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Dimensions
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269 mm x 277 mm x 160 mm (10.6 in x 10.9 in 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 ºC to 50 ºC (-4 ºF to 122 ºF)
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Temperature (storage)
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-20 ºC to 65 ºC (-4 ºF to 149 ºF)
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Humidity
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80 % to 31 ºC decreasing linearly to 50 % at 50 ºC
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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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