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Split Core Flexible Rogowski Coil with High Frequency
US$11.51
200-1,999 Pieces
US$10.26
2,000+ Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableApplication
Electronic, Instrument, Position SensorType
Rogowski CoilModel NO.
AL-RC9Phase
SingleOperation Condition
IndoorUsage
Protection, MeasurementWinding Form
Small Fixed TypeInsulating Medium
Common Insulating MaterialsInstallation
Active TypeMagnetic Circuit Structure
Single Stage TypeVoltage Transformation Principle
Electromagnetic TypeCoil Structure
ToroidalSecondary Output
CustomizedAccuracy
0.5/1 ClassPrimary Input
CustomizedOperation Temp
- 25 to + 75cLead Wire
According to Customer RequirementsFrequency
50/60HzInsulation Strength
3kvInner Diameter
16~51mmCoil Length
20cm-200cmTransport Package
CartonSpecification
50pcs/boxTrademark
ALOrigin
ChinaHS Code
85045000Production Capacity
8000PCS/15daysKey features
Flexible Split Core Design: Allows non-contact installation on existing conductors without disconnecting power.
High Frequency Measurement: Wide bandwidth from 1Hz to 1MHz for accurate pulse and AC current measurement.
No Core Saturation Risk: Air-core design prevents saturation and damage even under extreme overload conditions.
Customizable Dimensions: Coil length adjustable from 20cm to 200cm and inner diameter from 16mm to 51mm.
High Current Capacity: Supports maximum measuring current up to 6000A and input range up to 10000A.
Fast Response Time: Ultra-fast response time of less than 10ms for dynamic current monitoring.
Safe Operation: Eliminates danger from open-circuited secondary and provides excellent linearity.
Company profile

Business Type: Manufacturer/FactoryExport Year: 1993-02-11Nearest Port: shanghai, shengzhenAverage Response Time: ≤9.31hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW
AI-Powered supplier vetting
SummaryAL TRANSFO TECHNOLOGY Co., Ltd is identified as a trading company that researches and sells power supplies, chargers, coils, transformers, inductors, reactors, wiring harnesses, and electronic appliances. Its company description states that it designs and manufactures transformers, inductors, chokes, power supplies, and cable assemblies, with ISO 9001 and ISO 14001 certifications reported. The supplier offers flexible customization and has approximately eight years of export experience, with 90% of total sales from exports. However, the provided assessments report one R&D engineer, no new products in the past year, no ODM, OEM for popular brands, SDK, in-stock, overseas warehouse, or overseas showroom capability. Service-management weaknesses include no written procedures or records for supplier assessment, corrective actions, or complaint handling. No Fortune 500 cooperation is reported, while repeat-buyer preference is stated at 50%–80%.
CertificationsThe company description states that ISO 9001 and ISO 14001 certifications were earned through the SGS system. These statements provide explicit evidence of the reported certifications, although no certificate validity dates or certificate documents are provided.
After-Sales capabilityThe supplier is reported to have no in-stock service capacity, no overseas warehouse, and no overseas showroom. It also has no written procedures or records for customer complaint handling, service-capability assessment, or corrective and preventive actions, indicating a documented after-sales and service-management deficiency.
R&D capabilityInnovation evidence is weak: the supplier is reported as having one R&D engineer, no new products launched in the past year, no ODM service, no available SDK, and no 3D software design service. Although flexible customization and claimed R&D/manufacturing capabilities are mentioned, the explicit recent-product and resource data indicate a deficiency in demonstrated innovation capability.
Customization capabilityFlexible customization is explicitly reported, and the company description states that its products can be custom made according to customer requirements. This is directly supported by both the capability assessment and the supplier’s own product description.
Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. A repeat-buyer preference of 50%–80% is reported, but no named customer cases or independently specified reference projects are provided.
Product Q&A
Q:Can this coil be installed without disconnecting the power?
A:
Yes, the split core design allows for non-contact installation on existing conductors without taking the primary conductor offline.
Q:What is the maximum current this sensor can measure?
A:
The maximum measuring current is up to 6000A, with an input current range of 0-10000A.
Q:Is the coil size customizable?
A:
Yes, the coil length can be customized from 20cm to 200cm, and the inner diameter ranges from 16mm to 51mm.
Q:What is the frequency range of operation?
A:
The sensor operates with a bandwidth from 1Hz to 1MHz and supports frequencies of 50Hz to 60Hz.
Q:Does the sensor suffer from core saturation?
A:
No, because it uses a Rogowski Coil principle without a magnetic core, it avoids core saturation even if overloaded.
Send Inquiry
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AL Transfo Technology Limited
AL Transfo Technology Limited*Content:
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