Fluke 1535 2.5kV Insulation Resistance Tester


£1,119.00 / £1,342.80 incl VAT
⚡ Simplified troubleshooting for a wide range of environments
⚡ Selectable test voltages from 250V to 2500V
⚡ Resistance measurements up to 500GΩ
⚡ Automatic calculation of Polarization Index (PI) and Dielectric Absorption Ratio (DAR)
⚡ Backlit display for visibility in all lighting conditions
Available on back-order
Description
Fluke 1535 2.5kV Insulation Resistance Tester
Fluke 1535 2.5kV Insulation Resistance Tester
Product Description:
The Fluke 1535 Insulation Resistance Tester is a versatile, high-performance tool designed for frontline troubleshooting in a variety of environments. It supports voltage testing at 250V, 500V, 1000V, and 2500V, making it suitable for a wide range of workloads. With an intuitive interface and a robust CAT IV 600 V rating, the 1535 offers accurate and reliable measurements, enabling users to perform insulation tests confidently. It features advanced calculations such as the Polarization Index (PI) and Dielectric Absorption Ratio (DAR), allowing users to assess insulation resistance to ground and calculate the ratio of megohms. The device is engineered to optimize productivity with a high measurement capacity—storing up to 1,300 measurements at 2500V or 6,500 at 250V. Equipped with a backlit display and visual/audio indicators, the Fluke 1535 is ideal for insulation testing across various job sites.
Key Features:
- Simplified frontline troubleshooting in a range of environments
- User-selectable test voltages from 250V to 2500V
- Measures resistance up to 500GΩ
- Intuitive, user-friendly interface
- CAT IV 600V rating ensures stable and safe measurements
- Automatically calculates Polarization Index (PI) and Dielectric Absorption Ratio (DAR)
- Stores up to 1,300 measurements at 2500V and 6,500 at 250V
- Increases productivity with high measurement capacity
- Clear bar graph and numerical display for easy results reading
- Backlit display for visibility in low-light environments
- Supports AC/DC voltage and resistance measurements
- Short circuit current up to 5mA for stable insulation measurements
- Customizable testing parameters, including labels, test duration, and data storage
- Easy data management with PC software for download and analysis
- Ramp Test Mode for a linear voltage increase of 100V/s
- Visual and audio continuity indicators for easy verification
What’s Included:
- Fluke 1535 Insulation Resistance Tester
- Test Leads with Alligator Clips (red, black, and green)
- Probes (red and black)
- Soft Carry Case
Fluke Product Comparison:
| Features | 1587 FC | 1577 | 1503 | 1507 | 1535 | 1537 | 1550FC | 1555FC |
|---|---|---|---|---|---|---|---|---|
| Test Voltages | 50V, 100V, 250V, 500V & 1000V | 500V & 1000V | 500V & 1000V | 50V, 100V, 500V & 1000V | 250V, 500V, 1000V & 2500V | 250V to 2500V | 250V to 5000V | 250V to 10000V |
| Insulation Resistance Range | 0.01MΩ to 2GΩ | 0.01MΩ to 600GΩ | 0.01MΩ to 2000GΩ | 0.01MΩ to 10GΩ | 1kΩ to 500GΩ | 200kΩ to 500GΩ | 200k to 1TΩ | 200k to 2TΩ |
| PI/DAR | X | X | X | ✓ | ✓ | ✓ + DD Test | ✓ | ✓ |
| Auto Discharge | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Timed Ramp Test (breakdown) | X | X | X | X | X | ✓ | ✓ | ✓ |
| Pass/Fail Comparison | X | X | X | ✓ | ✓ | ✓ | ✓ | ✓ |
| Est. # of IRT Tests | 1000 | 1000 | 2000 | 2000 | 1300 | 1300 | Various | Various |
| Voltage >30V Warning | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Memory | Fluke Connect App | X | X | X | X | ✓ | ✓ | ✓ |
| Fluke Connect Compatibility | ✓ | X | X | X | X | X | ✓ | ✓ |
| Remote Test Probe | ✓ | ✓ | ✓ | ✓ | X | X | X | X |
| Lo Ohms/Earth Bond Continuity | X | X | 200mA source (10 mΩ resolution) | 200mA source (10 mΩ resolution) | X | X | X | X |
| AC/DC Volts | ✓ | X | X | X | X | ✓ | X | X |
| Display | Digital LCD | Digital LCD | Digital LCD | Digital LCD | Digital / Analogue LCD | Digital / Analogue LCD | Digital / Analogue LCD | Digital / Analogue LCD |
| Hold/Lock | ✓ | ✓ | ✓ | ✓ | X | X | ✓ | ✓ |
- 1555 10kV Insulation Resistance Tester
- Fluke Connect IR to Wireless Connector IR3000FC/1550
- Test cables with alligator clips (red, black, green)
- Infrared adapter with interface cable
- AC power cord
- IP67 Hard Case (Colour may vary from image shown)
- Certificate of Calibration
- English manual
- User’s manual on CD-ROM
- Quick reference card
- Software license agreement
- Registration card
- USB-IR cable installation guide
- Heavy duty alligator clip leads
Additional information
| Weight | 10500 g |
|---|---|
| Dimensions | 52 × 22.5 × 45 cm |



