Hipotronics TTR2795 Transformer Turns Ratio Meter, 100V, 1A

Hipotronics TTR2795 Transformer Turns Ratio Meter

The Hipotronics TTR2795 Transformer Turns Ratio Meter is a cutting-edge instrument designed for efficient transformer testing. It integrates multiple measurement functions including winding resistance, turns ratio measurement, core demagnetization, transformer type detection, and heat run tests, all within a compact design. With its innovative one-time connect-all system, the TTR2795 drastically reduces measurement time by allowing all tests to be performed consecutively without the need for reconnection.

Key Features

• Fully Automated Measurements: Quickly measures turns ratio, voltage ratio, phase displacement, and excitation current, enhancing accuracy and efficiency.
• Automatic Winding Connection Identification: The AWCI and automatic vector group detection simplify operations for fast and reliable results.
• Safety Connection Control: This feature ensures that test setups are verified before applying test voltage, safeguarding personnel and equipment.
• Built-in Printer: Generates instant test reports, preventing data loss and ensuring immediate access to results.
• User-Friendly Interface: Navigate effortlessly with the intuitive rotary-push-button that offers easy access to the menu structure.
• Large Graphic Display: The 5.2" graphic display presents all necessary data clearly and shows tap changer results in detailed diagrams.
• Rugged Design: Ideal for harsh environments with a lightweight, compact structure. The closed case is IP65 waterproof, while the open case is splash-proof.
• Remote Control Software: Operate the meter from a laptop for easy data gathering, exchange, and analysis.

Applications

The TTR2795 is suitable for conducting various measurements according to ANSI, IEC, and AS standards on:

• Power and Distribution Transformers
• Instrument Transformers

Specifications

• Excitation Voltage: Selectable voltage options of 1 V, 10 V, 40 V, and 100 V (automatic or manual).
• Excitation Current: Maximum 1 A (10 mA at 1 V).
• Display: 5.2" dot matrix LCD (240x128) with backlight for improved visibility.
• Storage: Capable of storing up to 100 complete test results and setups.
• Printer: Features a thermal strip printer with a 58mm paper width.
• Interfaces:
  • Computer: RS 232C, 19200 baud, 9 pole
  • Tap changer: 3 pole contact in/out (potential free)
• Measurement Ranges and Accuracy:
  • Ratio: 0.8 - 100: Accuracy @ 100 V: ±0.03%, 40 V: ±0.05%, 10 V: ±0.05%.
  • Ratio: 101 - 1000: Accuracy @ 100 V: ±0.05%, 40 V: ±0.05%, 10 V: ±0.05%.
  • Ratio: 1001 - 1500: Accuracy @ 100 V: ±0.03%, 40 V: ±0.05%, 10 V: ±0.10%.
  • Ratio: 1501 - 2000: Accuracy @ 100 V: ±0.03%, 40 V: ±0.05%, 10 V: ±0.15%.
  • Ratio: 2001 - 4000: Accuracy @ 100 V: ±0.05%, 40 V: ±0.05%.
  • Ratio: 4001 - 13000: Accuracy @ 100 V: ±0.15%.
  • Ratio: 13001 - 20000: Accuracy @ 100 V: ±0.20%.
• Excitation Current:
  • Range: 0 - 1 A
  • Resolution: 0.1 mA
  • Typical Accuracy: ±0.3% ±2 mA
• Phase Angle:
  • Range: ±180°
  • Resolution: 0.01°
  • Typical Accuracy: ±0.05°