Ong.com Manufacturing Sdn. Bhd.
Certificate No.: SAMM 1083

ISO 17025 Accredited Current Transformer Testing Laboratory

We provide accurate and reliable testing services for protection and metering current transformers. As an ISO/IEC 17025 accredited laboratory, we deliver precise measurements with full traceability and compliance to international standards.

ISO 17025 Accredited Lab
100% Accuracy Assured
24/7 Report Access

Our Testing Services

Protection CT Testing

Comprehensive testing for protection class current transformers including accuracy limit factor, knee point voltage, and transient performance evaluation to ensure reliable operation during fault conditions.

Metering CT Testing

Precision testing for metering applications ensuring accuracy class compliance, burden testing, ratio error measurements, and phase displacement verification for revenue metering applications.

About ASEAN CT Laboratory

We are a specialized Current Transformer testing laboratory dedicated to providing accurate and reliable measurements for both protection and metering applications. Our laboratory holds ISO/IEC 17025 accreditation, demonstrating our technical competence and compliance with international quality standards.

Manufacturing Heritage

Operating under Ong.com Manufacturing Sdn. Bhd., we possess unique insights into both production requirements and end-user applications. This dual perspective allows us to provide comprehensive testing solutions.

With highly qualified personnel, precision-calibrated equipment, and strictly controlled test procedures, we support manufacturers, utilities, and industrial clients in ensuring product compliance, performance, and reliability.

Our Expertise

ISO/IEC 17025 Accredited

Internationally recognized accreditation for testing laboratories

Expert Personnel

Highly trained and experienced technical team

Advanced Equipment

State-of-the-art calibrated testing equipment

Testing Standards & Compliance

Our laboratory performs testing in accordance with international standards and requirements, ensuring accurate and reliable results for our clients.

Primary Standards

  • IEC 61869-2 Instrument transformers
  • IEC 60044-1 Current transformers
  • IEEE C57.13 Standard Requirements
  • ISO/IEC 17025:2017 Testing Requirements

Upcoming Standards

  • IEC 61869-6 Additional Requirements
  • AS/NZS 60044.1 Regional Standards
  • BS EN 61869-2 European Standards
  • Custom Testing Protocols

Our Testing Process

We follow a systematic approach to ensure accurate and reliable testing results for all current transformers.

1

Sample Receiving

Documentation and initial inspection of CT samples

2

Preparation & Setup

Equipment calibration and test setup according to standards

3

Testing Execution

Comprehensive testing using calibrated equipment

4

Report Generation

Detailed test reports with certificates of compliance

Frequently Asked Questions

Find answers to common questions about our CT testing services and procedures.

What is the turnaround time for CT testing?

Standard testing typically takes 3-5 working days from sample receipt. Rush services are available for urgent requirements with a 1-2 day turnaround, subject to laboratory capacity.

What documentation do I need to submit for testing?

Please provide: 1) CT specifications sheet, 2) Test requirements/standards, 3) Customer contact information, 4) Any special test requirements.

Are your test certificates internationally recognized?

Yes, as an ISO/IEC 17025 accredited laboratory, our test certificates are internationally recognized and accepted by regulatory bodies, manufacturers, and utilities worldwide.

Do you provide on-site testing services?

Yes, we offer on-site testing services for utilities and industrial clients. Our mobile testing equipment is calibrated and traceable to national standards.

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