Fluke 1587 Insulation Multimeter | 50V–1000V, CAT IV 600V
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Fluke 1587 FC Insulation Multimeter 50V–1000V Digital CAT IV 600V / CAT III 1000V
Overview of Fluke 1587 Insulation Tester
The Fluke 1587 (current version: Fluke 1587 FC, model FLK-1587-FC) is a professional-grade 2-in-1 digital insulation tester and True-RMS multimeter designed for industrial electrical maintenance, troubleshooting, and preventive testing.
With selectable test voltages from 50V to 1000V, a CAT IV 600V / CAT III 1000V safety rating, and rugged field-ready construction, this tester is suitable for motors, transformers, switchgear, cables, and industrial systems.
Built to withstand harsh environments, it operates from -20°C to 55°C, making it ideal for both indoor and site applications.
Key Features of Fluke 1587 Insulation Tester
- Selectable insulation test voltage: 50V, 100V, 250V, 500V and 1000V
- Insulation resistance range: 0.01MΩ to 2GΩ
- Digital display for clear reading
- Test current: 1mA nominal
- Auto-discharge of capacitive voltage and live-circuit detection (test inhibited above 30V)
- Safety rating: CAT IV 600V / CAT III 1000V
- CSA & CE approved
- Long battery life: up to 1000 hours
- Powered by 4 × AA batteries
- Wide operating temperature range (-20°C to 55°C)
- Compact & lightweight industrial design
Technical Datasheet of Fluke 1587 Insulation Tester
| Specification | Details |
|---|---|
| Brand | Fluke |
| Model Number | 1587 FC (FLK-1587-FC) |
| Product Type | Insulation Tester |
| Tester Type | Insulation Multimeter (insulation tester + True-RMS digital multimeter) |
| Minimum Test Voltage | 50V |
| Maximum Test Voltage | 1000V |
| Test Voltages | 50V, 100V, 250V, 500V, 1000V (accuracy +20% / -0%) |
| Insulation Resistance Range | 0.01MΩ to 2GΩ |
| Insulation Accuracy | ±(3% + 5 counts) at 50V/100V; ±(1.5% + 5 counts) at 250V/500V/1000V up to 600MΩ; ±(10% + 3 counts) for 0.6–2.0GΩ at 1000V |
| Test Current | 1mA |
| Auto-Discharge | < 0.5s for capacitance ≤ 1µF |
| AC Voltage | 600.0mV to 1000V True-RMS, with low-pass filter for VFDs |
| DC Voltage | 6.000V to 1000V, ±(0.09% + 2) |
| DC Millivolts | 600.0mV, ±(0.1% + 1) |
| AC / DC Current | 60mA and 400mA ranges; AC ±(1.5% + 2), DC ±(0.2% + 2) |
| Resistance | 600.0Ω to 50.0MΩ |
| Capacitance | 1000nF to 9999µF |
| Frequency | 99.99Hz to 99.99kHz, ±(0.1% + 1) |
| Temperature | -40°C to 537°C (K-type thermocouple) |
| Diode Test / Continuity | Yes / audible tone below 25Ω |
| Display Type | Digital |
| Safety Category Level | CAT IV 600V / CAT III 1000V |
| Safety Standards | IEC 61010-1 (Pollution Degree 2), IEC 61010-2-033 |
| Standards / Approvals | CSA, CE |
| IP Rating | IP40 (non-operating) |
| Power Source | Battery |
| Battery Type | 4 × AA (IEC LR6) |
| Battery Life | 1000 hours meter use, or at least 1000 insulation tests |
| Minimum Operating Temp | -20°C |
| Maximum Operating Temp | 55°C |
| Storage Temperature | -40°C to 60°C |
| Operating Humidity | Non-condensing: up to 95% (10–30°C), 75% (30–40°C), 40% (40–55°C) |
| Operating Altitude | 2000m |
| Length | 203mm |
| Width | 100mm |
| Height | 50mm |
| Weight | 550g |
Package Includes
- 1 × Fluke 1587 FC Insulation Multimeter
- Remote probe
- Test leads
- Alligator clips
- K-type thermocouple
- User manual
- Batteries
- Carrying case
Fluke 1577 vs 1587 comparison
| Specification | Fluke 1577 | Fluke 1587 (this model) |
|---|---|---|
| Insulation test voltages | 500 V, 1000 V | 50 V, 100 V, 250 V, 500 V, 1000 V |
| Insulation resistance range | 0.1 MΩ to 600 MΩ | 0.01 MΩ to 2 GΩ |
| Temperature | No | Yes (Type K thermocouple included) |
| Capacitance, frequency and diode test | No | Yes |
| Min/Max recording | No | Yes |
| Low-pass filter for motor drives | No | Yes |
| Best for | Electricians who need 500/1000 V insulation tests plus a multimeter | Motor, drive and panel maintenance needing low test voltages and extra functions |
Compatible Accessories
- Fluke TPAK magnetic meter hanger – hangs the meter on a panel door or steel surface for hands-free readings
💡 Why Choose Fluke 1587?
1️⃣ Industrial Safety Compliance
CAT IV 600V / CAT III 1000V safety rating ensures safe operation in high-energy environments.
2️⃣ Wide Voltage Flexibility
Test insulation from 50V to 1000V — suitable for low-voltage controls up to industrial equipment.
3️⃣ Long Battery Performance
Up to 1000 hours battery life reduces downtime and maintenance interruptions.
4️⃣ Built for Tough Conditions
Operates from -20°C to 55°C — suitable for factory floors and outdoor sites.
5️⃣ Compact Yet Durable
Weighing only 550g with compact dimensions for easy field portability.
| Warranty period | 3 Year Warranty |
|---|---|
| Coverage | Free from defects in material and workmanship for 3 years from the date of purchase. Accessories supplied with the product, such as test leads and probes, are covered for 1 year from the date of purchase. |
| Not covered | Fuses, disposable batteries and manuals; damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. |
| Warranty void if | The product has been used outside its specifications, altered, or repaired by a party not authorised by Fluke. |
Contact Techno Tools with your proof of purchase. The warranty applies to the original purchaser only.
Order by 4PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
Free delivery for total orders above RM500, otherwise additional charges costs are calculated at checkout based on your order’s weight and delivery location.
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Please notify us within 14 calendar days of receiving your product to request a free exchange or full refund, if eligible. We will cover all return shipping costs, and no restocking fees will apply in this case.
Requests made after 14 days may be accepted at our discretion and will be subject to a 10% restocking fee. Techno Tools & Equipment reserves the right to reject any return request found to be ineligible.
Further details please click here for more info.