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Fluke 1550 Megohmeter
Specifications

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Electrical Specifications | Mechanical Specifications | Power |
Environmental Specifications | Software Specifications


Electrical Specifications
Insulation Resistance Measurement
Test Voltage (dc) Range Accuracy
(± reading)
250 V 200 kΩ to 5 GΩ
5 GΩ to 50 GΩ		 5 %
20 %
500 V 200 kΩ to 10 GΩ
10 GΩ to 100 GΩ		 5 %
20 %
1000 V 200 kΩ to 20 GΩ
20 GΩ to 200 GΩ		 5 %
20 %
2500 V 200 kΩ to 50 GΩ
50 GΩ to 500 GΩ		 5 %
20 %
5000 V 200 kΩ to 100 GΩ
100 GΩ to 1 TΩW		 5 %
20 %
Short circuit current Greater than 1 mA and less than 2 mA
Bar graph range 0 to 1 TΩ
Insulation test voltage accuracy -0 % to + 10 % at 1 mA load current
Induced ac mains current rejection 2 mA maximum
Charging rate for capacitive load 5 seconds per µF
Leakage current Range: 1 nA to 2 mA
Accuracy: ±(5 % + 2 nA)
Capacitance
measurement		 Range: 0.01 µF t 15.00 µF
Accuracy: ± (15 % rdg + 0.03 µF)
Live circuit Indicator Range: 30 V to 600 V ac/dc, 50/60 Hz
Accuracy: ± (5 % + 2 V)
Timer 0 to 99 minutes; settable in 1 minute increments; indicated to within 1 second
Ramp 0 % to 100 % of selected test voltage, or until breakdown
 

The meter’s accuracy is specified for one year after calibration at operating temperatures of 0 ºC to 35 ºC. For operating temperatures outside the range (-20 ºC to 0 ºC and 35 ºC to 50 ºC), add +/- .25 % per ºC, except on the 20 % bands add +/- 1 % per ºC.


Mechanical Specifications
Dimensions
(L x W x H)		 170 mm x 242 mm x 330 mm
(6.7 in x 9.5 in x 13.0 in)
Weight
(with battery)		 4 kg (8.8 lbs)


Power
Battery type 12 volt, lead-acid, rechargeable
Charger input (AC) 85 to 250 V ac 50/60 Hz 50 VA
Battery life (typical)
Note: At higher temperatures,
the battery requires more
frequent charging.
Test voltage Number of tests
250 V 4138
500 V 3913
1 kV 3462
2.5 kV 2043
5 kV 1000


Environmental Specifications
Operating temperature -20 °C to 50 °C (-4 °F to 122 °F)
Storage temperature -20 °C to 65 °C (-4 °F to 149 °F)
Relative Humidity 80 % at 31 °C decreasing linearly to 50 % at 40 °C
Operating altitude 0 to 2000 meters
Enclosure sealing IP-40
Shock, vibration MIL-PRF-28800F, Class II
EMI immunity EN 61326
Safety EN 61010-1, CAT III, 600 V,
EN61557, PARTS 1 & 2
Input Overload Protection 600 V ac continuous


Software Specifications
Quicklink 1550B Software  Requires a PC running Windows® 95, 98, Me, 2000, NT4.0
Two-year warranty