Model: 1577
Compact and handheld, this rugged insulation multimeter features maximum versatility for both troubleshooting and preventative maintenance. Ideally suited for work on motors, generators, cables, or switchgear, this multimeter also features True RMS capabilities, a large backlit LCD, and an auto power-off to save battery power.
The Fluke 1577 Insulation Multimeter combines 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.
Like other tools that you have come to expect from Fluke, the 1577 is rugged, reliable, and easy to use.
Whether you work on motors, generators, cables, or switch-gear, the Fluke 1577 Insulation Multimeter is ideally suited to help you with your tasks.
| 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 | 0.1 Ω |
| Insulation Test | |
| Minimum Test Current at 1 kΩ/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 | -4 to 131°F (–20 to 55°C) |
| Storage Temperature | -40 to 140°F (-40 to 60°C) |
| Humidity (Without Condensation) | 0 to 95%: 50 to 86°F (10 to 30°C) 0 to 75%: 86 to 104°F (30 to 40°C) 0 to 40%: 104 to 131°F (40 to 55°C) |
| Operating Altitude | 6561.68' (2000 m) |
| Mechanical and General Specifications | |
| 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 |
| Dimensions | 7.99 x 3.94 x 1.97" (203 x 100 x 50 mm) (with holster) |
| Weight | 22 oz (624 g) |
| IP Rating | IP40 |
| 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 |
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