Reliable insulation testing made simple
The Sapphire 1535 and 1537 Insulation Resistance Testers are designed to provide fast, accurate, and reliable insulation testing in a portable and lightweight design. Whether you are performing frontline troubleshooting in a factory, maintaining equipment, or conducting fieldwork at a solar installation, these testers simplify every step of the testing process.
Both models feature user-selectable test voltages ranging from 250 V to 2,500 V and insulation resistance measurement capabilities of up to 500 GΩ. This wide range allows technicians to cover more types of applications using a single device. With a short circuit current of up to 5 mA and a CAT IV 600 V safety rating, the testers ensure both precision and safety during use.
If you’re searching for a dependable insulation tester megger in Bangalore, Sapphire offers a trusted solution built for professionals who demand accuracy and reliability in every reading.
Key Features
- Selectable Voltage Testing: Choose from 250 V, 500 V, 1000 V, or 2500 V test voltages to meet different application needs, from industrial environments to solar systems.
- Extended Resistance Range: Measure insulation resistance up to 500 GΩ for a comprehensive understanding of insulation performance.
- Automatic Calculations: Built-in Polarization Index (PI) and Dielectric Absorption Ratio (DAR) calculations help ensure accurate results by minimizing environmental influences.
- High Measurement Capacity: Perform up to 1,300 insulation tests at 2,500 V or up to 6,500 tests at 250 V on a single battery charge—ideal for high workload conditions.
- Enhanced Safety Design: A CAT IV 600 V rating and a built-in voltage alarm function provide extra protection, helping users stay safe during high-voltage testing.
These features make the Sapphire 1535 and 1537 ideal for maintenance professionals, engineers, and electricians who require dependable insulation testing tools that can perform consistently across different environments.
Advanced Features of the Sapphire 1537
The Sapphire 1537 insulation resistance tester extends the testing capabilities even further, offering additional functions that make it suitable for more demanding applications.
- AC/DC Voltage and Resistance Measurements: Easily measure both AC and DC voltage, as well as general resistance, for versatile electrical analysis.
- Stable and Fast Measurements: With a short circuit current of up to 5 mA, the tester delivers quick and stable resistance readings.
- Adjustable Test Voltage: Fine-tune your testing voltage from 250 V to 2500 V in 100 V increments for precise control based on your specific requirements.
- Dielectric Discharge Rate Calculation: Automatically calculates the dielectric discharge rate (DD) to help identify hidden insulation weaknesses.
- Ramp Test Mode: Increases voltage linearly at 100 V/s to help locate hard-to-detect insulation faults.
- Visual and Audio Continuity Indicators: Continuity can be verified visually on the display or through an audible signal, allowing you to focus on the testing process.
- Customizable Test Settings: Users can set test duration, add custom labels, and store measurement results for better record-keeping and repeatable results.
- Effortless Data Management: The included PC software allows easy data transfer and analysis, ensuring all test results are securely stored for future reference.
In addition, the 3-year extended warranty ensures long-term reliability, making it a durable and trustworthy tool for continuous industrial and field use.
Why Choose Sapphire?
When you need an insulation resistance tester in Bangalore, the Sapphire 1535 and 1537 models stand out for their balance of precision, usability, and safety. These instruments are engineered to meet the demands of modern electrical maintenance, ensuring accurate readings even in challenging environments.
As an insulation tester megger in Bangalore, Sapphire’s products deliver the quality and dependability professionals expect. They combine smart design, advanced safety features, and efficient operation — making them suitable for electrical, industrial, and solar applications.