ISO 80369-7 Hardness Steel Luer Gauges
ISO 80369-7 Hardness Steel Luer Gauges (HRC58-62) for testing Luer lock and Luer slip connectors per ISO 80369-7:2016. Reference conical fittings (Fig C.1–C.6) for leakage, assembly force, separation force, unscrewing torque, and stress cracking verification in medical devices.
- Standard Compliance: Fully compliant with ISO 80369-7:2016(E) Annex C (Fig C.1–C.6)
- Material & Hardness: Premium hardness steel, HRC58-62 for exceptional wear resistance and long-term dimensional stability
- Gauge Set: Complete set of 6 reference conical fittings covering all Luer lock and Luer slip test configurations
- Test Parameters: Leakage, ease of assembly, separation force, unscrewing torque, overriding resistance, and stress cracking
- Application: Designed for Luer and Luer-Lock systems used in intravascular, hypodermic, and other small-bore medical connections
- MOQ: 1 set
- Delivery Time: 7–15 working days (typical)
ISO 80369-7 Luer Gauges Description
The ISO 80369-7 Luer Gauges are reference conical fittings manufactured to the exact dimensions and tolerances specified in ISO 80369-7:2016(E) Annex C. These hardened steel gauges (HRC58-62) serve as master reference tools for testing male and female Luer lock and Luer slip connectors. Each gauge in the set (Fig C.1 through C.6) is used to evaluate specific performance characteristics, including leakage under pressure, ease of assembly, separation force, unscrewing torque, resistance to overriding, and stress cracking. This comprehensive testing ensures that Luer connectors meet the stringent safety and performance requirements of modern medical devices, significantly reducing the risk of misconnections and fluid leakage in clinical use.
Technical Parameters
| Item | Specification | Remark / Notes |
|---|---|---|
| Applicable Standard | ISO 80369-7:2016(E) Annex C (Fig C.1–C.6) | Replaces ISO 594-1/2 |
| Material | Hardness Steel | Premium grade for wear resistance |
| Hardness | HRC58-62 | Ensures long-term dimensional accuracy |
| Gauge Types | 6 reference conical fittings (C.1–C.6) | Covers all Luer lock & slip configurations |
| Test Items | Leakage, assembly force, separation force, unscrewing torque, overriding resistance, stress cracking | Per ISO 80369-7 Annex C |
| C.1 | Female reference for male Luer lock | Leakage, assembly, unscrewing torque, stress cracking |
| C.2 | Male reference for female Luer slip | Leakage, assembly, unscrewing torque, stress cracking |
| C.3 | Female reference for male Luer lock | Separation force, overriding resistance |
| C.4 | Male reference for female Luer lock | Leakage, assembly, unscrewing torque, stress cracking |
| C.5 | Female reference for male Luer slip | Leakage, separation, stress cracking |
| C.6 | Male reference for female Luer lock | Separation force, overriding resistance |
Professional Construction & Technical Precision
Each ISO 80369-7 Luer Gauge is precision-machined from premium high-grade hardness steel with a controlled surface hardness of HRC58-62, delivering exceptional wear resistance and maintaining exact conical dimensions throughout extended service life. The reference conical fittings are manufactured to the stringent tolerances specified in ISO 80369-7:2016(E) Annex C, ensuring consistent and repeatable Go/No-Go style test results across thousands of cycles.
The complete set of six gauges (Fig C.1–C.6) is engineered as a unified, authoritative toolset that covers every required test configuration for both Luer lock and Luer slip connectors. This single-package solution eliminates the need for multiple legacy gauge systems, reduces operator error, and provides laboratories with full traceability and compliance verification capability for modern small-bore connector testing.
Testing Principle
The ISO 80369-7 Luer Gauges serve as precision reference conical fittings that rigorously evaluate the functional performance and dimensional integrity of Luer lock and Luer slip connectors in accordance with ISO 80369-7:2016(E) Annex C.
During testing, the connector under evaluation is assembled with the appropriate reference gauge (Fig C.1–C.6) under precisely controlled axial force and torque conditions. Key performance parameters are then systematically measured, including: leakage under internal pressure, ease of assembly (insertion force and rotational engagement), separation force (axial pull-out resistance), unscrewing torque, resistance to overriding (thread stripping), and stress cracking susceptibility after environmental conditioning.
These comprehensive tests accurately simulate real-world clinical use scenarios—such as repeated connections, disconnections, pressure fluctuations, and sterilization cycles—ensuring that Luer connectors will perform safely and reliably without leakage, disconnection, or misconnection risks during critical medical procedures. This level of validation is essential for meeting modern regulatory expectations and protecting patient safety in intravascular, hypodermic, and other small-bore applications.
Common Error Mitigation
To achieve accurate, repeatable, and fully ISO 80369-7:2016(E)-compliant test results with the Luer Gauges, operators should adhere to the following best practices:
- Thoroughly clean both the test connector and reference gauge before each use to eliminate any debris, residues, or particulate matter that could affect sealing or measurement accuracy.
- Apply the precise axial forces and torques defined in ISO 80369-7 Annex C for each specific test configuration—deviations can significantly impact leakage, separation force, or torque readings.
- Maintain strict axial alignment during assembly to prevent side loading or angular misalignment that may compromise test validity or damage the reference gauge.
- Perform required environmental conditioning (temperature cycling, humidity exposure, or sterilization simulation) exactly as specified before conducting stress cracking evaluations.
- Record all measured values—including insertion forces, unscrewing torques, leakage rates, and environmental conditions—with full traceability and timestamps to support regulatory audits and quality system compliance.
Compliance & Regulatory Assurance
The ISO 80369-7 Luer Gauges are engineered and produced in full accordance with the ISO 80369-7:2016 Annex C standard for small-bore connectors. They supply medical device manufacturers and accredited laboratories with a standardized, traceable instrument to meet the stringent performance and safety requirements for small-bore connectors in healthcare applications.
Metrological Integrity & Validation
- Complimentary Factory Calibration: Each gauge set is supplied with a traceable dimensional verification certificate.
- Third-party ISO 17025 Accreditation: Available upon request for accredited testing facilities.
- Performance Verification: Regular dimensional inspection is recommended to sustain long-term measurement accuracy.
Technical Inquiry & Expert Support
Contact our engineering team for custom gauge configurations, complete Luer testing kits, or integration with automated force/torque test systems. Professional technical recommendations and detailed quotations are provided within 24 hours.
The Core Value We Deliver
- Accurate and repeatable ISO 80369-7:2016(E) Luer connector testing with hardened steel reference gauges
- Complete six-gauge set covering all Luer lock and Luer slip performance requirements
- Premium HRC58-62 hardness steel construction for reliability and longevity
- Professional solution for medical device compliance, quality assurance, and global market access
- Dedicated support for Luer connector testing, calibration services, and long-term partnership commitment
Industrial Applications & Lab Scenarios
- Medical Device Manufacturers — Luer lock & slip connector compliance testing for syringes, IV tubing, and catheters
- Contract Testing Laboratories — ISO 80369-7 full Annex C verification and type approval testing
- Quality Assurance & R&D Departments — Incoming inspection, design validation, and process control of Luer components
- Regulatory Affairs Teams — Supporting 510(k), CE marking, and ISO 13485 documentation with traceable gauge test results
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