Capacitance Tan Delta Testing Kits

In the realm of insulation testing, Dielectric Loss Measurement stands as a fundamental technique, highly adept at efficiently identifying widespread moisture-induced deterioration and localized imperfections within theelectrical equipment insulation. Widely employed in electrical manufacturing, equipment installation, commissioning, and preventive testing, this method plays a pivotal role in assessing the insulation effectiveness of transformers, inductive reactors, capacitors, bushings, surge arresters, and more.

Our cutting-edge Capacitance Tan Delta Testing Kits breaks free from traditional bridge measurement methods. Leveraging advanced variable frequency power supply technology, it seamlessly incorporates a microcontroller and modern electronics for automated frequency modulation, analog-to-digital conversion, and data computation. Strong interference resistance, swift testing, heightened precision, complete digitization, and a user-friendly interface designed for seamless operation.

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Fourier Transform Digital Filtering Technology:

• The Capacitance Tan Delta Testing Kits employs advanced Fourier transform digital filtering technology to measure capacitance, dielectric loss, and other parameters.

• Achieve high precision in test results, facilitating automated measurements.

Variable Frequency Technology:

• Effectively eliminates on-site 50Hz power frequency interference, ensuring reliable data even in environments with strong electromagnetic interference.

Intuitive Touchscreen Display:

• This Tan Delta Test Kit Equipped with a full-touch, extra-large LCD display for user-friendly operation. 

• The comprehensive graphical interface on the touchscreen provides clarity in every step, allowing operators to use the device without additional specialized training.

Data Storage:

• Internal calendar chip and large-capacity storage enable real-time result saving. 

• Historical records can be easily accessed and printed at any time. Both the current and storage times are available for display and printing.

Advanced Data Management:

• Export instrument data via USB, allowing viewing and managing data on any PC using specialized software.

User-Friendly Operation:

• Simple operation controlled by a microprocessor. 

• Once the appropriate measurement mode is selected, data measurement is automatically completed under microprocessor control.

Integrated Model:

• All-in-one design with standard capacitors and high-voltage power supply, facilitating on-site testing and reducing on-site wiring.

Reverse Wiring Low Voltage Shielding Function:

• In the case of grounding the 220kV CVT bus, the Tan Delta Test Kit allows non-disconnection 10kV reverse wiring dielectric loss measurement for C11.

AC Withstand Voltage Test:

• Capable of conducting AC withstand voltage tests for PT, CT secondaries, and 400V low-voltage systems.

Frequency Recognition:

• Identifies external high-voltage power supply frequencies from 40Hz to 70Hz, allowing the use of power frequency or series-resonant power supply for high-capacity high-voltage dielectric loss tests.

CVT Testing Function:

• Enables self-excitation testing for CVTs with settings for high-voltage voltage/current and low-voltage voltage/current with four protective limits, ensuring personnel and equipment safety.

Comprehensive CVT Testing:

• Automatically tests capacitance and dielectric loss values for C1 and C2, as well as total capacitance and dielectric loss values for CVT devices.

Built-in Thermal Printer:

• Equipped with a thermal printer for convenient on-the-spot test report printing, including a calendar clock and U-disk output.

Grounding Protection:

• Ensures the instrument does not enter normal operation or output high voltage when not properly grounded or in case of poor grounding.

Touch Protection Function:

• Immediately cuts off high voltage in the event of accidental operator contact, ensuring tester safety.

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1.     Accuracy: Cx ±(reading×1%+1pF) ; tgδ ±(reading×1%+0.00040)

2.  Anti-interference index: Frequency conversion anti-interference, in 200% interference can still achieve the above accuracy

3.      Capacitance range:

Internal high voltage: 3pF~60000pF/10kV ; 60pF~1μF/0.5kV

External high voltage: 3pF~1.5μF/10kV ; 60pF~30μF/0.5kV

Resolution: maximum to 0.001pF, 4 significant digits

4.      tgδ range: No limitation, resolution 0.001%, capacitance, inductance, resistance can be automatically identified

5.      Test current range: 10μA~5A

6.      Internal high voltage:

Voltage setting range: 100V~10kV adjustable, resolution 1V

Maximum output voltage: 200mA

7.      External high voltage:

UST test mode: Maximum test current 5A, frequency 40~70Hz

GST test mode: Maximum test voltage/current 10kV/5A, frequency 40~70Hz

8.      Test frequency:

Single frequency 40.0~70.0Hz, resolution 0.1Hz

Automatic dual variable frequency set at will (from 50±0.1Hz to 50±10Hz)

Automatic dual variable frequency set at will (from 60±0.1Hz to 60±10Hz)

9.      CVT self-exciting low voltage output: Output voltage 3-50V, output current 3-30A

10.   Measuring duration: About 40s, depending on measuring method

11.   Power Supply: 220V AC, 50Hz ± 1%

12.   Interface: RS232, USB

13.   Pinter: mini-type thermal printer

14.   Ambient temperature: -10℃~50℃

15.   Relative humidity: <90%