FLUKE 1587 FC Insulation Multimeter
- 2-in-1 digital insulation tester and true RMS multimeter
Keep your electrical systems safe, efficient, and reliable with the FLUKE 1587 FC Insulation Multimeter – a high-performance tool that combines the power of a digital insulation tester with the versatility of a true RMS digital multimeter. Designed to handle both troubleshooting and preventative maintenance, this rugged device helps electricians and maintenance professionals detect issues before they turn into serious failures.
Whether you‘re testing motors, drives, or complex wiring systems, the FLUKE 1587 gives you the insights you need, when you need them – even right there in the field with FLUKE Connect.

Why Choose the FLUKE 1587 FC?
The FLUKE 1587 is not your average Fluke multimeter. It’s built for professionals who need both insulation testing and multimeter functions in one tool. The built-in digital insulation tester measures insulation resistance from 0.01 MΩ to 2 GΩ with selectable test voltages from 50 V to 1000 V.
Using the FLUKE Connect app, you can wirelessly send results to your smartphone for historical tracking and trending, allowing you to identify degradation over time. This helps with real-time decision making, reducing errors and saving both time and money.
Key Features and Benefits
- Insulation Testing Voltage Options: Select from 50 V, 100 V, 250 V, 500 V, or 1000 V.
- Resistance Range: 0.01 MΩ to 2 GΩ for comprehensive insulation tester performance.
- AC/DC Measurements: Includes ac dc millivolts, ac dc milliamps, and resistance measurements, as well as voltage.
- VFD Low-Pass Filter: Ensures accurate readings on motor drives and variable speed equipment.
- Live Circuit Detection: Prevents insulation testing if voltage > 30 V is present—protecting both you and your equipment.
- Temperature Compensation: Adjusts insulation readings for varying environmental conditions.
- Auto-Discharge Feature: Discharges capacitive voltage automatically for added safety.
- PI (Polarisation Index) and DAR (Dielectric Absorption Ratio): Advanced diagnostics to help pinpoint moisture and contamination issues quickly.
- Min/Max, Frequency, Capacitance, Diode Testing: Covers a broad spectrum of testing needs.
- CAT III 1000 V / CAT IV 600 V Rated: Engineered to meet tough safety standards.
- Large Backlit Display: Easily read results in low-light environments.
- Rugged Carry Case: Designed for field use, with space for accessories.
- True RMS Digital Multimeter: Accurate voltage and current readings regardless of load type.
▶ Why Pros Trust the FLUKE 1587 FC - See It in Action!

▶ Pro-Level Insulation Testing - Simplified

Smarter Testing with Fluke Connect
With Fluke Connect, the FLUKE 1587 FC becomes a smarter tool. Save and share data, monitor readings remotely, and even compare insulation trends with the built-in TrendIt™ graphing function. This allows maintenance teams to identify degradation over time, see the effects of moisture and contamination, and perform accurate historical comparisons.
By enabling real-time decision making, Fluke Connect reduces human error, improves productivity, and ultimately boosts uptime.
What Comes with the FLUKE 1587 FC?

When you buy the FLUKE 1587 FC Insulation Multimeter, you receive:
- FLUKE 1587 FC Multimeter
- Remote insulation test probe
- Standard test leads
- Alligator clips
- K-type thermocouple for temperature testing
- Rugged hard case
- User manual and documentation
Upgrade to the Advanced Motor/Drive Troubleshooting Kit
Need more? Opt for the advanced kit and get extra tools for deeper analysis:

- FLUKE i400 AC Current Clamp – Measures current without breaking the circuit.
- FLUKE 9040 Phase Rotation Indicator – Identifies phase sequence in three-phase systems quickly and accurately.
These additions make the FLUKE 1587 FC even more versatile for industrial environments, allowing better insights for troubleshooting and preventative maintenance.
❓ Frequently Asked Questions (FAQ)
Q1: What makes the FLUKE 1587 FC better than a standard multimeter?
A. It combines a digital insulation tester with a true RMS digital multimeter, offering broader diagnostic power and greater accuracy for motor and drive testing.
Q2: Can I use the FLUKE 1587 FC on live circuits?
A. No. The insulation tester will not run if voltage > 30 V is detected—this is a safety feature to protect users.
Q3: Does it work with the Fluke Connect app?
A. Yes! You can pair the 1587 FC with your smartphone to save data, generate reports, and track historical trending across different assets.
Q4: Is this multimeter safe for industrial environments?
A. Absolutely. It’s rated CAT III 1000 V and CAT IV 600 V, built to withstand demanding electrical environments.
Q5: How long is the warranty?
A. A standard 3-year warranty, extendable to 5 years if you register the product within 45 days of purchase.
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