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FLUKE 1550B MegOhmMeter
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Item: FLUKE 1550B
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Digital insulation testing up to 5000 volts

The Fluke 1550B is a digital insulation tester capable of testing switchgear, motors, generators and cables at up to 5000 V DC. It can be used for a wide range of tests: from simple spot checks to timed tests and breakdown tests. Measurement storage and PC interface software make it ideal for preventive maintenance. Heavy-duty leads, probes and alligator clips fit in the custom carrying case, for a rugged field testing kit.

General Features:

  • Test voltages of 250V, 500 V, 1000 V, 2500 V, and 5000 V
  • Capable of testing in 50V increments between 250V and 1000V and 100V increments between 1000V and 5000V
  • Measures 0 to 1 Tera-Ohm
  • Warning voltage function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC
  • Guard system eliminates the effect of surface leakage current on high-resistance measurements
  • Large digital/analog LCD shows detailed measurement data
  • Cable or insulation capacitance
  • Leakage current
  • Ramp function (0-5000 V DC) for breakdown testing
  • Timer 1 to 99 minutes
  • Polarization index and dielectric absorption calculated automatically
  • 99 memory locations store all measurements parameters
  • Includes FlukeView Forms Basic Software and Optical Interface cable for easy download to a Windows (R) PC
  • Two year warranty
Specifications
Test Voltage 250 V DC
Range: 200 k? to 5 G?
Accuracy: 5%
Range: 5 G? to 50 G?
Accuracy: 20%
Test Voltage 500 V DC
Range: 200 k? to 10 G?
Accuracy: 5%
Range: 10 G? to 100 G?
Accuracy: 20%
Test Voltage 1000 V DC
Range: 200 k? to 20 G?
Accuracy: 5%
Range: 20 G? to 200 G?
Accuracy: 20
Test Voltage 2500 V DC
Range: 200 k? to 50 G?
Accuracy: 5%
Range: 50 G? to 500 G?
Accuracy: 20%
Test Voltage 5000 V DC
Range: 200 k? to 100 G?
Accuracy: 5%
Range: 100 G? to 1 T?
Accuracy: 20%
Short circuit current
  > 1 mA and < 2 mA
Bar graph
Range: 0 to 1 T?
Insulation test voltage
Accuracy: 0% to 10% at 1 mA load current
Induced AC mains current rejection
Max: 2 mA
Charging rate for capacitive load
  5 s/µF
Leakage current
Range: 1 nA to 2 mA
Accuracy: ±(5% + 2 nA)
Capacitance measurements
Range: 0.01 µF to 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% + 2V)
Timer
  1 - 99 minutes
Settable: 1 minute increments
Indication: 1 second resolution
Ramp
  0% to 100% of selected test voltage, or until breakdown
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)
Humidity (Without Condensation)
  80% at 31 °C (87.8°F), 50% at 50 °C (122°F)
Dust/water resistance
  IP-40
Operating Altitude
  2,000 m
Safety Specifications
Safety Rating
  EN 61010-1, CAT III 600V, EN61557, Parts 1 & 2
EMI immunity
  EN 61326
Mechanical & General Specifications
Size
  170mm x 242mm x 330 mm (6.7" x 9.5" x 13.0")
Weight
  4 kg (with battery) (8.8 lbs)
Batteries
  12 V, lead-acid, rechargeable
Warranty
  2 years
Battery Life
Test voltage: Number of tests
250 V: 4100
500 V: 3600
1000 V: 3200
2500 V: 2500
5000 V: 1500
Shock & Vibration
  MIL-PRF-28800F, Class II
Charger input
AC: 85 to 250 V AC, 50/60 Hz, 50 VA

View Users Manual