Fluke 1587/1577 Insulation MultimetersTwo 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.
Fluke 1587/1577 Insulation Multimeters
Consult the features included on the two new insulation multimeters in the comparison chart below to help select the best tool for your application:
| Feature | 1587 | 1577 |
| Insulation test voltages 50V, 100V, 250V, 500V, 1000V | • | |
| Insulation test voltages 500V, 1000V | | • |
| Insulation test: 0.01 MΩ to 2.0 GΩ | • | |
| Insulation test: 0.1 MΩ to 600 MΩ | | • |
| Auto discharge of capacitive voltage | • | • |
| Insulation test smoothing reading | • | |
| Frequency | • | |
| Capacitance | • | |
| Diode test | • | |
| Temperature | • | |
| Min/Max | • | |
| Low pass filter (for work on VSD's) | • | |
| 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 | • | • |
| K-type thermocouple | • | |
| 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 100V, 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: | 1577: ±(0.2%+2) | | | 1587: ±(0.09%+2) | | Maximum Resolution: | 0.001V | |
| Voltage AC | | Maximum Voltage: | 1000 V | | Accuracy: | 1577: ±(2%+3) | | | 1587: ±(2%+3) | | AC Bandwidth: | 1587: 5kHz* | | | *with low pass filter; 3db @ 800 Hz | | Maximum Resolution: | 0.1 mV | |
| Current DC | | Maximum Amps: | 400mA | | Amps Accuracy: | 1577: ±(1.0%+2) | | | 1587: ±(0.2%+2) | | Maximum Resolution: | 0.01 mA | |
| Current AC | | Maximum Amps: | 400mA | | Amps Accuracy: | 1577: ±(2.0%+2)* | | | 1587: ±(1.5%+2)* | | | * 1kHz bandwidth | | Maximum Resolution: | 0.01 mA | |
| Resistance | | Maximum Resistance: | 50 MΩ | | Accuracy: | 1577: ±(1.2%+2) | | | 1587: ±(0.9%+2) | | Maximum Resolution: | 0.1Ω | |
| Capacitance(1587 only) | | Maximum Capacitance: | 9,999 µF | | Accuracy: | ±(1.2%+2) | | Maximum Resolution: | 1 nF | |
| Frequency (1587 only) | | Maximum Frequency: | 100 kHz | | Accuracy: | ±(0.1%+1) | | Maximum Resolution: | 0.01 Hz | |
| Temperature Measurement (1587 only) | | | -40.0 °C to 537 °C | | | -40.0 °F to 998 °F | | | excluding probe | |
| Diode Test (1587 only) | | Range: | 6 V | | Resolution: | 1 mV | | Accuracy: | ±(2 % + 1) | |
Insulation Test
| Minimum Test Current @ 1kΩ/V: | |
| Test Voltages: | | 1577: | 500, 1000 V | | 1587: | 50, 100, 250, 500, 1000 V | |
| Maximum Resistance per Test Voltage: | | 50V: | | | 100V: | | | 250V: | | | 500V: | | | 1000V: | 1577: 600 MΩ | | | 1587: 2 GΩ | |
| Maximum Resolution per Test Voltage: | | 50V: | 0.01 MΩ | | 100V: | 0.01 MΩ | | 250V: | 0.1 MΩ | | 500V: | 0.1 MΩ | | 1000V: | 0.1 MΩ | |
| Accuracy per Test Voltage: | | 50V: | ±(3 % + 5) | | 100V: | ±(3 % + 5) | | 250V: | ±(1.5 % + 5) | | 500V: | 1577: ±(2.0 % + 5) | | | 1587: ±(1.5 % + 5) | | 1000V: | 1577: ±(2.0 % + 5) | | | 1587: ±(1.5 % + 5) to 600 MΩ, ±(10 % + 3) above 600 MΩ | |
Environmental Specifications
| Operating temperature | |
| Storage temperature | |
| Humidity (Without Condensation) | | | 0% - 95% (10 °C – 30 °C) | | | 0% - 75% (30 °C – 40 °C) | | | 0% - 40% (40 °C – 55 °C) | |
| Operating Altitude | |
Safety Specifications
| Overvoltage category | | | Complies with ANSI/ISA 82.02.01 (61010-1) 2004, CAN/CSA-C22.2 NO. 61010-1-04, and IEC/EN 61010-1 2nd Edition for measurement CAT III 1000 V and CAT IV 600 V | |
| Agency Approvals | | | 2000 m CAT III 1000 V, CAT IV 600 V; 3000 m CAT II 1000 V, CAT III 600 V | |
Mechanical & General Specifications
| Size | | | 203 x 100 x 50 mm (with holster) | |
| Weight | |
| Warranty | |
| Battery life Alkaline | | Meter use: | 1000 hours | | 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 |