HZ-3100A 100A Rapid Transformer Winding Resistance Test Kit

Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of hz-3100a 100a rapid transformer winding resistance test kit in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.

HZ-3100A 100A Rapid Transformer Winding Resistance Test Kit

I.Product Overview

To meet the demand for rapid transformer DC resistance measurement, our company developed the HZ-3100A DC resistance tester. The instrument utilizes advanced power supply technology, offering the following characteristics:

• Compact size and light weight

• High output current

• Excellent repeatability

• Strong anti-interference capability

• Comprehensive protection functions

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II.Main Technical index

Matters needing attention

Discharge and Test Lead Removal
After completing measurements on an inductive load, do not remove the test leads immediately. Inductive discharge can pose a serious safety hazard to both personnel and equipment. The instrument is equipped with a built-in discharge circuit that safely dissipates stored energy after the instrument is reset. Wait until the discharge indication is complete before removing any test leads.

Tap-Changing Transformers
For no-load tap-changing transformers, the tap switch must not be operated during the measurement process, as this may interfere with the measurement accuracy and potentially damage the instrument.

Power Interruption
Should the power supply be interrupted during a measurement, the instrument will automatically initiate discharge. Do not attempt to disconnect any wiring immediately. Allow at least 30 seconds for the discharge process to complete before removing connections.

Untested Windings
During measurement, avoid short-circuiting the grounding of other untested windings. Such short-circuiting can slow the magnetization process of the transformer, extend data stabilization time, or result in incorrect readings.

Power Supply Verification
Before starting the instrument, verify that the power supply meets the required specifications: AC 220 V ± 10%, 50 Hz.

Test Object Isolation
Prior to testing, confirm that the device under test has been completely powered off and isolated from all other live equipment to prevent electrical hazards.

Grounding and Work Area
The instrument case must be reliably grounded throughout the test. Keep the equipment panel and surrounding area clear of any irrelevant items to ensure safe and unobstructed operation.

Fuse and Accessory Replacement
When replacing fuses or accessories, use only components that match the specified type and rating for this instrument. Refer to the technical specifications for detailed information.

Environmental Protection
Protect the instrument from exposure to moisture and oil contamination, which may affect performance and safety.

Current Range Selection
When selecting the current range, refer to the ranges listed in the technical specifications. If the selected range is exceeded, the instrument will remain in the "charging" state because the current does not reach the preset value. Should this occur, press the reset button to reset the instrument and select a lower current range.

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