Fluke 1577 Insulation Multimeter

The insulation tester features test voltages of 500 V and 1000 V, covering insulation tests ranging from 0.1 MΩ to 600 MΩ. It includes automatic discharge of capacitive voltage and measures AC/DC voltage and milliamps.

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Product Overview: Fluke 1577 Insulation Multimeter

  • Combines a digital insulation tester with a full-featured, true RMS digital multimeter in a single, compact handheld unit, offering versatility for troubleshooting and preventive maintenance tasks.
  • Suitable for working on motors, generators, cables, or switchgear, providing cost-effective functionality compared to purchasing separate tools.

Additional Features:

  • DC millivolts measurement capability
  • Resistance measurement from 0.1 Ω to 50 MΩ
  • Continuity testing
  • Includes remote probe, test leads, and alligator clips
  • Comes with a rugged, utility hard case for durability
  • Auto power-off function conserves battery life
  • True RMS for accurate measurements
  • Large display with backlight for enhanced visibility
  • Live circuit detection prevents insulation testing if voltage > 30 V is detected, ensuring user safety
  • Measurement categories: CAT III 1000V, CAT IV 600V
  • Compatible with optional Fluke TPAKTM magnetic hanging system for hands-free operation

Specifications: Fluke 1577 Insulation Multimeter

Specifications
Voltage DCMaximum voltage1000 V
Accuracy±(0.2%+2)
Maximum resolution0.001 V
Voltage ACMaximum voltage1000 V
Accuracy±(2%+3)
Maximum resolution0.1 mV
Current DCMaximum amps400 mA
Amps accuracy±(1.0%+2)
Maximum resolution0.01 mA
Current ACMaximum amps400 mA
Amps accuracy±(2.0%+2)*
Maximum resolution0.01 mA
ResistanceMaximum resistance50 MΩ
Accuracy±(1.2%+2)
maximum resolution0.1Ω
Insulation Test
Minimum test current @ 1kΩ/V1 mA
Test voltages500, 1000 V
Maximum resistance per test voltage50 V
100 V
250 V
500 V
1000 V600 MΩ
Maximum resolution per test voltage50 V0.01 MΩ
100 V0.01 MΩ
250 V0.1 MΩ
500 V0.1 MΩ
1000 V0.1 MΩ
Accuracy per test voltage50 V±(3% + 5)
100 V±(3% + 5)
250 V±(1.5% + 5)
500 V±(2.0% + 5)
1000 V±(2.0% + 5)
Environmental Specifications
Operating temperature–20°C to +55°C
Storage temperature-40°C to +60°C
Humidity (without condensation)0% – 95% (10°C – 30°C) <br>0% – 75% (30°C – 40°C) <br>0% – 40% (40°C – 55°C)
Operating altitude2000 m
Safety Specifications
GeneralIEC 61010-1: Pollution Degree 2
MeasurementIEC 61010-2-033: CAT IV 600V / CAT III 1000V
Mechanical and General Specifications
Size203 x 100 x 50 mm (with holster)
Weight624 g
Warranty3 years
Battery life alkalineMeter use1000 hours
Insulation test useMeter can perform at least 1000 insulation tests with fresh alkaline batteries at room temperature. These are standard tests of 1000 V into 1 MΩ with a duty cycle of 5 seconds on and 25 seconds off.
IP ratingIP40

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