Automatic Dielectric Tester LADT-T2010

Introduction

Automatic Dielectric Tester features capacity of 2.0 kVA. Delivers high testing precision with strong anti-interference performance for accurate, stable results. Compact and lightweight design enables easy outdoor operation and convenient field portability. Stores 99 groups of test data, printable and readable even after long-term power loss. Applicable in oil quality assessment, power utility test field testing and insulating fluid research.

This petroleum testing is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Automatic Dielectric Tester is widely applicable in oil quality assessment, high voltage equipment diagnostics, power utility test field testing, insulating fluid research and quality control in oil production.

Specifications

Capacity	1.6 kVA, 2.0 kVA
Pressure increase rate	About 2 kVA/s
Wave form distortion	Less than or equal to 3%
Breakdown sensitivity	0.1 kVA
Breakdown response time	Less than or equal to 10ms
Polar distance	2.5mm
Pressure testing speed	3%
Ambient temperature	0℃ to 40℃
Ambient humidity	Less than 85%
Output voltage	60 kV, 80kV, 100kV
Power supply	AC220V±10%,50 HZ
Dimension	370mm × 380mm × 400mm
Net weight	40 kg
Gross weight	45 kg

Features

Automatic simply operation

Menu-driven input cleaning

Power off time retention

Lightweight and portable

RS232 software upgradeable

FAQs

1. What is the purpose of Automatic Dielectric Tester , and why is dielectric strength testing essential in electrical systems?

The Automatic Dielectric Tester is used to determine the dielectric breakdown voltage of insulating oils, which directly impacts the reliability and safety of high-voltage equipment such as transformers, circuit breakers, and switchgear. Dielectric testing evaluates the oil’s ability to act as an insulator and prevent electrical discharges under stress. Over time, oils can degrade due to oxidation, moisture ingress, or contamination leading to reduced dielectric strength and potential system failure. Regular testing using this device helps to detect the issues earlier, ensuring timely maintenance and avoiding costly outages or equipment damage.

2. How does the automatic operation of the Automatic Dielectric Tester benefit testing procedures?

Automatic Dielectric Tester features fully automatic testing cycles, including oil agitation, voltage ramping, breakdown detection, and shutdown eliminating manual intervention. This not only improves safety but also standardizes test conditions, reducing variability between operators and test batches. It follows pre-programmed test protocols in line with 60156 and similar standards, ensuring global testing compliance. Automatic recording and display of test values also allow faster data acquisition and improved operational efficiency, especially in high-throughput labs or field conditions.

3. How is the Automatic Dielectric Tester calibrated and does it require frequent recalibration?

Automatic Dielectric Tester is factory-calibrated to meet international testing standards and typically requires minimal recalibration under normal operating conditions. However, to maintain long-term accuracy and compliance, periodic calibration usually annually is recommended, especially in accredited labs or regulated environments. Calibration can be performed using certified high-voltage reference standards. The interface also allows connection with external calibration tools or PC-based diagnostic software to validate or adjust test parameters as needed.

4. What types of insulating oils can be tested with the Automatic Dielectric Tester ?

The Automatic Dielectric Tester is compatible with a wide range of insulating liquids, including mineral-based transformer oils, synthetic esters, silicone fluids, and natural esters (biodegradable oils). Its flexible test settings and standardized electrode spacing (2.5?mm) support the testing of both fresh and in-service oils. Users can customize test cycles to meet the requirements of different standards or oil types. This versatility makes it suitable for utilities, transformer OEMs, oil refiners, and third-party testing labs.

5. How can I troubleshoot inconsistent breakdown voltage readings in the Automatic Dielectric Tester ?

Automatic Dielectric Tester may show inconsistent breakdown voltage readings due to factors like dirty electrodes, incorrect spacing, moisture contamination, or air bubbles in the oil. Ensure the test cell is properly cleaned and dried, and that the insulating oil is free from suspended particles or visible impurities. Verify that the electrodes are correctly spaced at 2.5?mm and are not corroded or damaged. If the issue persists, check if the device is operating under stable voltage conditions and consider recalibrating the unit using a certified reference oil.