The Metravi PRO DIT-931E 10kV High Voltage Digital Insulation Tester is a highly specialized instrument designed for accurately measuring insulation resistance in high-voltage equipment. It is ideal for testing the insulation integrity of transformers, cables, motors, generators, and other electrical installations that operate at high voltages. With a range of selectable test voltages up to 10kV, this device ensures reliable assessments of insulation, helping to prevent equipment failures and maintain safe operation in industrial, utility, and commercial environments.

Key Specifications:

• Model: PRO DIT-931E
• Brand: Metravi
• Measurement Type: High Voltage Digital Insulation Tester (Megohmmeter)
• Display: Large digital LCD with backlight, providing clear and easy-to-read measurements even in low-light conditions.

Measurement Capabilities:

• Insulation Resistance Measurement:
  • Test Voltage Options: 500V, 1000V, 2500V, 5000V, and up to 10,000V (10kV)
  • Resistance Range: 0.01 MΩ to 10 TΩ, making it suitable for testing a wide range of insulation levels.
  • Resolution: 0.01 MΩ, allowing for precise measurements even at very high resistances.
  • Accuracy: Typically ±5% of reading, providing reliable and consistent results across various test conditions.
• Voltage Measurement:
  • Range: 30V to 600V AC/DC for checking the presence of voltage before performing insulation tests.
  • Accuracy: ±3% of reading 3 digits, suitable for preliminary voltage checks.

Features:

• High Voltage Testing:
  • Test Voltage up to 10kV: Enables thorough testing of high-voltage equipment, ensuring that insulation is intact and meets safety standards.
  • Selectable Test Voltages: Adjustable settings of 500V, 1000V, 2500V, 5000V, and 10kV allow users to match the test voltage with specific testing requirements and standards.
• Digital Display:
  • Backlit LCD: Offers clear visibility of readings, making it ideal for use in both well-lit and dim environments.
  • Analog Bar Graph: Simulates a traditional needle movement, providing a visual representation of the insulation resistance value during testing.
• Polarization Index (PI) and Dielectric Absorption Ratio (DAR):
  • Advanced Analysis: Automatically calculates PI and DAR values, which are critical for evaluating the condition of insulation over time, particularly in aged equipment.
• Auto Discharge Function:
  • Safety Feature: Automatically discharges residual high voltage after testing, ensuring user safety and preventing accidental shocks.
• Data Hold Function:
  • Freeze Readings: Allows users to hold a reading on the display for easier recording and analysis.
• Overload Protection:
  • Enhanced Safety: Protects the device from damage due to excessive current or voltage inputs during testing.
• Compact and Portable:
  • Field-Friendly Design: Lightweight and ergonomic, making it easy to transport and use in the field or during on-site testing.

Power Source:

• Battery Operated: Uses rechargeable batteries, offering the flexibility and convenience of portable testing.
• Battery Type: Typically powered by a built-in rechargeable battery pack.
• Low Battery Indicator: Alerts users when the battery power is low, ensuring the device is ready when needed.
• Charger Included: Comes with a charger for recharging the battery pack, allowing for continuous use.

Safety and Compliance:

• Safety Rating: CAT IV 600V, providing safe operation in high-voltage environments, including industrial and utility applications.
• Standards Compliance: Compliant with IEC/EN 61010-1 and IEC 61557 standards for insulation testers, ensuring high safety and measurement accuracy.
• Durable Construction: Built for rugged use, with a robust housing that offers protection against impacts and harsh environmental conditions.

Physical and Design:

• Compact and Ergonomic: Designed for easy handling during testing, suitable for both indoor and outdoor use in challenging conditions.
• Color: Typically available in a professional-grade finish, such as black or dark grey.
• Warranty: One year against manufacturing defects, providing assurance of product quality and reliability.

Applications:

The Metravi PRO DIT-931E 10kV High Voltage Digital Insulation Tester is ideal for a wide range of applications, including:

• Electrical Equipment Testing: Tests the insulation resistance of transformers, motors, generators, and cables to ensure they meet operational safety standards.
• Preventive Maintenance: Monitors the condition of insulation over time, helping to prevent unexpected failures and extend the lifespan of electrical equipment.
• Commissioning and Troubleshooting: Verifies the insulation integrity of newly installed equipment and diagnoses issues in existing installations.
• Power Utility and Substation Testing: Suitable for high-voltage testing in power utilities, substations, and transmission systems, ensuring the reliability of power distribution.
• Industrial Applications: Ensures safe operation of high-voltage machinery in industrial sectors such as manufacturing, mining, and oil & gas.

The Metravi PRO DIT-931E provides advanced insulation testing capabilities with its high test voltage range and precise measurement accuracy, making it an essential tool for professionals involved in the maintenance and testing of high-voltage electrical systems. Its ability to conduct tests up to 10kV, combined with features like automatic discharge, PI/DAR calculation, and a robust design, ensures that it meets the needs of demanding industrial applications while maintaining the highest safety standards.