Fully Automated Industrial Transformer DC Resistance Analyzer 20A Fast Discharging Measuring Equipment with Integrated Thermal Printer Microprocessor Control for Factory Transformer Testing

Product Description

SX-20A 20A Transformer Winding Resistance

Accurate and efficient DC resistance measurement is essential for evaluating the electrical connections and winding conditions of transformers and other inductive equipment.

The SX-20A Transformer DC Resistance Tester provides six selectable output currents, ranging from less than 5mA to 20A, with a wide measuring range of 100μΩ to 100kΩ.

Designed with a microprocessor-controlled system and advanced power supply technology, this instrument offers fast measurement response, high accuracy and strong anti-interference capability. It automatically performs self-checking and data processing, helping operators complete winding resistance measurements efficiently.

The 7-inch color LCD, automatic discharge system and built-in printing function provide convenient operation for electrical testing professionals.

Product Features

• Six output current ranges for different resistance measurements.
• Measuring range from 100μΩ to 100kΩ.
• Measurement accuracy of 0.2% ± 2μΩ.
• Resolution of 0.1μΩ.
• Automatic self-checking and data processing.
• Fast response with automatic data refreshing.
• Audible discharge alarm and discharge status indication.
• Protection against back electromotive force.
• 7-inch color LCD and built-in real-time printer.
• Industrial plastic enclosure for portability and durability.

Applications

Designed for DC resistance measurement of:

• Transformer windings
• CT and PT windings
• Reactor coils
• Electromagnetic operating mechanisms
• Other inductive coils

Suitable for manufacturing inspection, finished-product testing, installation, handover and preventive maintenance.

Technical Parameters

FAQ

Q1: What makes the SX-20A suitable for different winding resistance measurements?

A: It provides six selectable output currents and a wide measuring range from 100μΩ to 100kΩ.

Q2: What is the measurement accuracy?

A: The specified accuracy is 0.2% ± 2μΩ, with a resolution of 0.1μΩ.

Q3: Does it have an automatic data processing function?

A: Yes. The instrument is controlled by a microprocessor and automatically performs self-checking and data processing.

Q4: Is the instrument easy to transport?

A: Yes. It adopts an industrial plastic enclosure designed for portability.

Q5: Does it have a discharge warning function?

A: Yes. It provides automatic discharge, audible alarms and clear discharge indication.