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Fluke 1577 Insulation Multimeters

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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.

Whether you work on motors, generators, cables, or switch gear, the Fluke 1587/1577 Insulation Multimeters are ideally suited to help you with your tasks and at a cost that is far less than buying the two products.

Insulation test voltages 500 V, 1000 V
Insulation test: 0.1 MΩ to 600 MΩ
Auto discharge of capacitive voltage
AC/DC Voltage
DC millivolts
AC/DC milliamps
Resistance (0.1 Ω to 50 MΩ)
Continuity
Three-year warranty
Remote probe, test leads, alligator clips
Rugged, utility hard case
Auto power off to save battery power
True RMS
Large display with backlight
Live circuit detection prevents insulation test if voltage > 30 V is detected for added user protection
CAT III 1000V, CAT IV 600V measurement category
Accepts optional Fluke TPAKTM magnetic hanging system to free your hands for other work

Specifications
Voltage DC	Maximum voltage	1000 V
	Accuracy	±(0.2%+2)
	Maximum resolution	0.001 V
Voltage AC	Maximum voltage	1000 V
	Accuracy	±(2%+3)
	Maximum resolution	0.1 mV
Current DC	Maximum amps	400 mA
	Amps accuracy	±(1.0%+2)
	Maximum resolution	0.01 mA
Current AC	Maximum amps	400 mA
	Amps accuracy	±(2.0%+2)*
	Maximum resolution	0.01 mA
Resistance	Maximum resistance	50 MΩ
	Accuracy	±(1.2%+2)
	maximum resolution	0.1Ω
Insulation Test
Minimum test current @ 1kΩ/V	1 mA
Test voltages	500, 1000 V
Maximum resistance per test voltage	50 V
	100 V
	250 V
	500 V
	1000 V	600 MΩ
Maximum resolution per test voltage	50 V	0.01 MΩ
	100 V	0.01 MΩ
	250 V	0.1 MΩ
	500 V	0.1 MΩ
	1000 V	0.1 MΩ
Accuracy per test voltage	50 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 altitude	2000 m
Safety Specifications
General	IEC 61010-1: Pollution Degree 2
Measurement	IEC 61010-2-033: CAT IV 600V / CAT III 1000V
Mechanical and General Specifications
Size	203 x 100 x 50 mm (with holster)
Weight	624 g
Warranty	3 years
Battery life alkaline	Meter use	1000 hours
Battery life alkaline	Insulation test use	Meter 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 rating	IP40