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ZCHG-12 Product Overview
ZCHG-12-5000A Automatic Current Transformer Test System
ZCHG-12 is designed for automatic CT accuracy testing and error calibration. Operators only need to input transformer type, measurement range, precision class, capacity and power factor through the PC interface — the system completes testing, analysis, result management and certificate printing. -
ZCHG-12-2000A Product Overview
ZCHG-12-2000A Automatic CT Accuracy Testing System
The ZCHG-12-2000A is an automatic CT accuracy testing system for fast, precise current transformer calibration. It integrates a verification meter, programmable CT load box, variable-frequency power supply, and test bench with RS485 control. -
ZCHG-12-1000A Product Overview
ZCHG-12-1000A Automatic CT Testing System
The ZCHG-12-1000A is an automatic CT accuracy testing system for fast current transformer calibration. It supports software parameter setup and RS485 control, completing tests for 12 same-ratio CTs in one operation. -
ZCHG-A1 Product Overview
ZCHG-A1 Automatic CT/PT Accuracy Testing System
The ZCHG-A1 is an automatic CT/PT accuracy testing system for medium- and high-voltage transformers. It supports software setup, RS485 control, automatic load switching, and one-at-a-time CT or PT verification.
Why Choose ZCHG-12 CT PT Test System?
Kvtester Electronics Technology Co., Ltd. is a leading and high-tech enterprise specializing in the R&D,
manufacturing, and sales of power testing equipment and measurement instruments.
manufacturing, and sales of power testing equipment and measurement instruments.
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01
Test 12 CTs Within 4 Minutes
With one-time wiring, ZCHG-12 can complete testing for up to 12 CTs within 4 minutes, making batch CT calibration faster and more efficient
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02
Accuracy Test Under Any Burden
The system adopts the comparison method to perform CT accuracy testing under any specified burden conditions.
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03
Compliant with IEC/IEEE Standards
ZCHG-12 meets IEC and IEEE testing standards, providing reliable reference for CT accuracy verification, calibration and quality control.
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04
Error Prompt and Protection
Provides real-time error prompts and provides overcurrent and overvoltage protection for safer operation.
ZCHG-12 Working Principle and Test Flow
Kvtester Electronics Technology Co., Ltd. is a leading and high-tech enterprise specializing in the R&D,
manufacturing, and sales of power testing equipment and measurement instruments.
manufacturing, and sales of power testing equipment and measurement instruments.
-
Connect 1–12 CTs
Connect 1-12 current transformers to the ZCHG-12 test system according to the test requirements. The system supports batch testing with one-time wiring, reducing repeated connection work and improving testing efficiency.01 -
Input CT Parameters
Operators enter the current transformer type, measurement range, accuracy class, capacity and power factor through the PC-based virtual interface.02 -
Run Automatic Testing
The system automatically controls measurement, current/voltage adjustment and load switching, then performs CT accuracy test, error calibration, demagnetization, inter-turn insulation test and polarity check.03 -
Analyze Results and Generate Reports
ZCHG-12 automatically analyzes and calculates the test results, manages the data, and outputs test records or Word certificates according to user requirements.04
ZCHG-12
Test Functions
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CT Accuracy Test: Automatically performs current transformer accuracy testing and error calibration
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CT Demagnetization Function: Supports both open-circuit and closed-circuit demagnetization for current transformers
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CT Inter-turn Insulation Test: Checks the inter-turn insulation condition of current transformers during the verification process
- CT Polarity Check: Verifies CT polarity to ensure correct wiring and reliable test results
Application Scenarios
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Current Transformer Factories
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Switchgear Manufacturers
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Testing Companies / Institutions
ZCHG-12 CT PT Test System Specifications
Key technical parameters for purchasing engineers evaluating IEC transformer tester equipment.
| System Technical Parameters | |
| Maximum Number of CTs Tested | 12 CTs at one time |
| Maximum Number of PTs Tested | 6 PTs at one time |
| Input Voltage | AC 400V, 50Hz, Three-phase four-wire |
| Input Current | AC 0~50A |
| Rated Capacity | 10~30kVA |
| Test Functions | CT Accuracy Test, CT Demagnetization Function, CT Inter-turn Insulation Test, CT Polarity check |
| Test method | Computer controlled automatic test |
| CT Demagnetization Function | Supports open-circuit and closed-circuit demagnetization |
| Protection Functions | Provided overcurrent & overvoltage protection |
| CT Rated Primary Current | 5~5000A |
| CT Rated Secondary Current | 1A, 5A |
| Standard CT accuracy | 0.01S class |
| Standards Compliance | IEC61869-1, IEC61869-2 |
Inquiry Workflow
Simple process from technical requirements to quotation
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01Submit Test Requirements
Share CT/PT type, ratio range, voltage level,
class and standards.
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02Get Model Confirmation
KVTESTER confirms ZCHG-12 configuration,
accessories and documentation.
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03Receive Price & Datasheet
Get quotation, datasheet, delivery time and support details for procurement.
Looking for an Automatic CT/PT Test System?
ZCHG-12 is designed for automatic CT accuracy testing and error calibration. Operators only need to input transformer type, measurement range, precision class, capacity and power factor through the PC interface — the system completes testing, analysis, result management and certificate printing.
