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Portable Transformer DC Resistance Tester Handheld Winding Resistance Test Equipment for Substation Maintenance, Field Testing and Power Transformer Inspection

Portable Transformer DC Resistance Tester Handheld Winding Resistance Test Equipment for Substation Maintenance, Field Testing and Power Transformer Inspection

Product Details:
Place of Origin: China
Brand Name: Sansion
Certification: CE/CNAS/ISO9001
Model Number: SXZR
Detail Information
Place of Origin:
China
Brand Name:
Sansion
Certification:
CE/CNAS/ISO9001
Model Number:
SXZR
Output Current:
10A / 20A / 40A / 50A
Measurement Phases:
Three-phase Simultaneous / Single-phase
Winding Modes:
YN, Y, Delta
Discharge Function:
Automatic Discharge And Demagnetization
Temperature Conversion:
Copper And Aluminum
Display Type:
Digital
Unbalance Calculation:
Automatic Three-phase
Data Storage:
Internal Memory, Export Supported
Highlight:

High Light

Highlight:

Portable transformer DC resistance tester

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Handheld winding resistance test equipment

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Transformer tester for substation maintenance

Trading Information
Minimum Order Quantity:
1 Set
Packaging Details:
Plywood Case
Delivery Time:
30 work days
Payment Terms:
L/C T/T
Supply Ability:
100 Units/Month
Product Description
Product Overview

The Portable Transformer DC Resistance Tester is designed for engineers who need to perform winding resistance measurements at substations, power plants, transformer maintenance sites and industrial facilities. Its portable structure makes transportation and field operation more convenient.

Depending on the model, the instrument can integrate multiple current ranges, digital measurement, automatic discharge and data storage in a compact enclosure. It is suitable for routine transformer testing, field inspection and maintenance applications.

Main Testing Functions
  • Transformer DC resistance measurement
  • Multiple output current ranges
  • High-resolution digital resistance display
  • Single-phase winding measurement
  • Three-phase testing, on compatible models
  • Automatic current selection, where available
  • Automatic discharge and discharge alarm
  • Optional automatic demagnetization
  • Internal test data storage
  • USB data export, depending on model
Applications
  • Substation field testing
  • Power transformer maintenance
  • Distribution transformer inspection
  • Electrical equipment repair
  • Power plant maintenance
  • Electrical commissioning projects
  • Industrial electrical maintenance
What Field Engineers Care About
Portability and Transportation

Compact dimensions, reasonable weight and suitable carrying cases make field operation easier.

Power Supply Flexibility

Some models support AC mains and battery operation. Confirm the actual power supply configuration before purchasing.

Testing Cable Length

Suitable test cables improve connection convenience when working around large transformers.

Operating Conditions

The operating temperature, humidity and enclosure protection rating should match the expected field environment.

Discharge Safety

Clear discharge indications and appropriate protection functions are important for field operations.

Frequently Asked Questions
Q1: Is the tester suitable for field transformer maintenance?

Yes. Portable models are designed for transformer resistance testing at substations and other field locations.

Q2: Can it operate without an external power supply?

Some models offer battery operation. Other models require AC power. Check the selected product specifications.

Q3: Is a carrying case available?

A suitable carrying case can be offered depending on the product configuration.

Q4: Can it measure large power transformers?

This depends on the maximum test current, resistance range and transformer winding characteristics.

Q5: Does a portable model sacrifice measurement accuracy?

Not necessarily. Accuracy depends on the instrument design and specifications, rather than portability alone.

Q6: Can the test results be exported?

USB and communication interfaces may be available depending on the model.

Portable transformer DC resistance tester with automatic demagnetization, an industrial handheld instrument used for power transformer winding resistance measurement and core demagnetization in substation and field testing
Transformer DC Resistance Tester with automatic demagnetization — industrial testing instrument for power transformer winding resistance measurement and core demagnetization.