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Oct
2026

Current Transformer Compliance Guide: Reading CE, UKCA, RoHS, and Type Test Evidence

Read CE-LVD, CE-EMC, UKCA, RoHS and type test documents correctly, and match current transformer models KCT, KCD, MSQ, CP and OCT to the right evidence.

2026-10-07 05:43:30

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Oct
2026

How to Audit a Current Transformer Supplier's Build Quality and Materials

A step-by-step checklist for auditing a current transformer supplier before ordering: core and housing materials, clamp-on and inner diameter design, QC protocol, capacity, lead time and terms.

2026-10-04 06:28:02

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Oct
2026

Current Transformer Guide for Metro and Elevator Energy Monitoring

How to select current transformers for metro and elevator energy monitoring: split-core retrofit fit, RS485 output, window sizing, accuracy class and project checks.

2026-10-01 05:29:27

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Sep
2026

Compliance Guide: Matching Global Certifications to Your CT Application

How to match current transformer certifications to your target market: CE-LVD for MSQ/CP, RoHS for KCD, UKCA for KCT-L/KCT, and type test reports for global projects.

2026-09-28 07:07:04

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Sep
2026

Flexible Rogowski Coil Selection for High-Current AC Measurement

Technical guide to selecting a flexible Rogowski coil for high-current AC measurement: inner diameter, 100-10000 A range, mV output, integrator options and customization.

2026-09-28 06:47:07

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Sep
2026

Selecting Current Transformers for PV String and Inverter DC Bus Monitoring

Application guide to selecting current transformers for PV string and inverter DC bus monitoring, covering the HEYI C2/C3 split-core Hall effect current sensor, residual DC sensing and OEM options.

2026-09-25 05:26:25

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Sep
2026

Ranking 5 Current Transformers for Harsh Installation Conditions

A ranked shortlist of five current transformers for harsh installation conditions, compared by certified ingress protection, mounting design, materials and CE documentation.

2026-09-22 06:05:53

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Sep
2026

Understanding Key Technical Parameters for 0.66 kV Current Transformer Selection

Technical guide to 0.66 kV low-voltage current transformer selection for panels and DIN-rail: accuracy class, burden, rated frequency, output and window size.

2026-09-19 05:28:10

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Sep
2026

Split-Core vs. Solid-Core CTs: A Comparative Guide for Retrofit vs. New Installations

Compare split-core vs solid-core current transformers for retrofit vs new-build projects: window sizes, accuracy classes, IP ratings and model-by-model selection.

2026-09-16 05:28:20

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Sep
2026

Top 5 Current Transformers for Smart Building and Data Center Monitoring

Ranked shortlist of five current transformers for smart building and data center monitoring, compared by mounting style, RS485 or 4-20 mA output, measurement range, and accuracy class.

2026-09-12 06:56:46

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Sep
2026

Split-Core vs. Rogowski Coil: Comparison Guide for Retrofit Current Sensing

Compare split-core current transformers (KCT) with flexible Rogowski coils (FRC) for retrofit projects, including installation, accuracy, measurement range, saturation, and supplier selection.

2026-09-09 05:40:39

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Sep
2026

Current Transformer Manufacturer Recommendations: Global Giants vs. a Specialist OEM Partner

How to shortlist current transformer manufacturers: compare global market leaders with a specialist OEM supplier using compliance, accuracy, capacity, and sample evidence. HEYI profile included.

2026-09-06 07:23:31

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Sep
2026

OEM Current Transformer Manufacturer Capability Checklist: What Buyers Should Verify

A buyer-focused checklist for qualifying OEM current transformer manufacturers: customization depth, testing, certifications, current transformer families, and proof points.

2026-09-06 06:33:58

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Sep
2026

What “CE” Really Tells You When Selecting a Current Transformer Manufacturer

A practical certificate-level guide to selecting current transformer manufacturers with CE: standards, model scope, parameters, UKCA, RoHS, samples, and lead time.

2026-09-03 05:48:05

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Aug
2026

Current Transformer Basics: Types, Accuracy Classes, and Selection Criteria for Buyers

Learn current transformer types, accuracy classes, and selection criteria. Compare solid-core, split-core, Rogowski, busbar, and revenue-grade CTs for your project.

2026-08-31 06:41:40

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Aug
2026

Current Transformer Selection by Project Scenario: Type Fit and Buying Criteria

Learn how to select current transformers by project scenario. Compare split-core, solid-core, busbar, three-phase, outdoor, and revenue-grade CTs for energy meters, EV chargers, solar, and smart grid.

2026-08-27 05:49:06

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Aug
2026

Solid vs Split Core Current Transformer: Which Type Should Buyers Choose?

Compare solid core and split core current transformers for energy meters, switchgear, EV chargers, and power monitoring. See the practical selection criteria and total cost considerations.

2026-08-24 06:23:12

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Aug
2026

Current Transformer Manufacturer Guide: Evaluation Criteria

A practical evaluation guide to current transformer manufacturers: accuracy, certification, product types, OEM capability, lead time, and a HEYI reference profile.

2026-08-21 05:30:33

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Aug
2026

OEM Current Transformer Customization: Capabilities Beyond Standard Production

How to evaluate an OEM current transformer manufacturer. Learn customization options, production capacity, certifications, testing, and applications with HEYI ELECTRICAL.

2026-08-18 07:16:31

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Aug
2026

Current Transformer Certifications: CE, Accuracy, and Specs

See what CE certificates, accuracy classes, and specifications to check when selecting a current transformer manufacturer. HEYI Electrical product overview.

2026-08-15 07:50:23

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