Fluke 1577 Insulation Multimeter

Product By Flir Logo

Two powerful tools in one

The Fluke 1587 and 1577 Insulation Multimeters combine a digital insulation tester with a full-featured, true RMS digital multimeter in a single, compact, handheld unit, which provides maximum versatility for both troubleshooting and preventative maintenance.

Voltage DCMaximum voltage1000 V
Maximum resolution0.001 V
Voltage ACMaximum voltage1000 V
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 M?
maximum resolution0.1?
Insulation Test
Minimum test current @ 1k?/V1 mA
Test voltages500, 1000 V
Maximum resistance per test voltage50 V 
100 V 
250 V 
500 V 
1000 V600 M?
Maximum resolution per test voltage50 V0.01 M?
100 V0.01 M?
250 V0.1 M?
500 V0.1 M?
1000 V0.1 M?
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)
0% - 75% (30°C – 40°C)
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 M? with a duty cycle of 5 seconds on and 25 seconds off.
IP ratingIP40