ISO 80369-7 Luer Gauges and Reference Connectors
This ISO 80369-7 guide helps medical device manufacturers, quality engineers, laboratories and procurement teams identify suitable Luer gauges, reference connectors and related verification equipment for intravascular or hypodermic connector applications.
The page is organized as a practical selection and navigation guide. It separates dimensional gauges, Annex C reference connectors and related ISO 80369-20 test support so that users can select equipment according to connector gender, Luer slip or Luer lock structure, figure number and required verification method.
This page is an equipment selection framework and website navigation guide. It is not a replacement for the official ISO 80369-7 standard or certification body requirements. Final compliance decisions should be based on official publications, the applicable test plan and the interpretation of the responsible laboratory or certification organization.
Not all Luer gauges, reference connectors and customized configurations may be listed on the website. If you cannot find the exact figure or connector configuration required by your test plan, KingPo can help match the suitable plug gauge, ring gauge, Annex C reference connector or related test setup based on your connector drawing and sample type.
Standard Information
| Standard | ISO 80369-7:2021 |
| Standard Scope | Small-bore connectors for liquids and gases in healthcare applications, Part 7 for intravascular or hypodermic applications |
| Connector System | Luer slip and Luer lock connector systems |
| Main Verification Focus | Connector geometry, mating fit, fluid leakage, sub-atmospheric air leakage, separation resistance, unscrewing resistance, overriding and reference connector-based performance checks |
| KingPo Page Purpose | ISO 80369-7 Luer gauge, reference connector and related test support selection guide |
Technical Note: Gauges, Reference Connectors and Test Methods
ISO 80369-7 focuses on Luer connector dimensions and functional performance requirements. In practical laboratory work, plug gauges and ring gauges are commonly used for rapid dimensional verification, incoming inspection and in-process control. Functional performance tests such as leakage, axial separation, unscrewing or overriding normally require the applicable Annex C reference connectors and ISO 80369-20 test methods.
For this reason, ISO 80369-7 equipment selection should not be limited to one gauge. The correct configuration depends on whether the sample is male or female, whether it is Luer slip or Luer lock, and whether the goal is dimensional screening, mating compatibility or formal performance testing.
Quick Selection Guide
Use this quick guide when you already know the sample type or test purpose. For formal compliance work, confirm the applicable test method, connector drawing and certification body requirements before ordering.
| If You Need To… | Start With… | Reason |
|---|---|---|
| Check a female Luer connector | Male plug gauge or male reference connector | Female connectors require a male mating tool to verify internal taper fit or functional connection behavior. |
| Check a male Luer connector | Female ring gauge or female reference connector | Male connectors require a female mating tool to verify external taper, fit and connection performance. |
| Screen dimensions during production | Plug gauge and ring gauge | Dimensional gauges are practical for incoming inspection, batch sampling and quick fit checks. |
| Run leakage or separation tests | Annex C reference connectors plus related test system | Functional performance tests require the correct mating reference connector and a controlled leakage, load or torque-related setup. |
| Cover multiple Luer slip and lock designs | Complete ISO 80369-7 gauge and reference connector set | A complete set reduces figure selection mistakes and supports both male/female and slip/lock connector variants. |
ISO 80369-7 Gauge and Reference Connector Checklist
This checklist maps the main ISO 80369-7 Luer verification tools available on the DGKingPo website. The same Figure number should not be confused with ISO 18250-3 figures; always read the standard number and connector application together.
| Product Group | Recommended KingPo Equipment | Main Use | Selection Note |
|---|---|---|---|
| Gauge Set | ISO 80369-7 Luer Gauge Set and Reference Connectors | Complete set for Luer connector verification and reference use | Recommended when the laboratory needs to cover male/female, slip/lock and multiple Figure C reference connector configurations instead of buying one gauge at a time. |
| Plug Gauge | ISO 80369-7 Male Plug Gauge for Testing Female Luer Connectors | Fit and dimensional screening of female Luer connectors | Use for rapid verification of female Luer connector internal taper and mating fit before functional leakage or connection-performance tests. |
| Ring Gauge | ISO 80369-7 Female Ring Gauge for Male Luer Connector Verification | Fit and dimensional screening of male Luer connectors | Use for checking the external taper and mating fit of male Luer connectors during incoming inspection, process control or batch verification. |
| Figure C.1 | ISO 80369-7 Figure C.1 Female Reference Luer Lock Connector | Reference connector for male Luer lock connector testing | Select when testing male Luer lock connectors for leakage, separation, stress cracking, overriding or non-interconnectable characteristics using a female lock reference. |
| Figure C.2 | ISO 80369-7 Figure C.2 Male Reference Luer Slip Connector | Reference connector for female Luer connector tests | Select when evaluating female Luer connectors or female Luer lock fittings where a male slip-type mating reference is required by the test setup. |
| Figure C.3 | ISO 80369-7 Figure C.3 Female Reference Connector | Reference connector for male Luer connector testing | Use as a female reference connector when the male Luer sample needs controlled mating for leakage, axial separation or compatibility assessment. |
| Figure C.4 | ISO 80369-7 Figure C.4 Male Reference Luer Lock Connector | Reference connector for female Luer lock or female Luer connector testing | Use when the female Luer sample requires a male lock reference to assess locking engagement, connection integrity or overriding-related behavior. |
| Figure C.5 | ISO 80369-7 Figure C.5 Female Reference Luer Slip Connector | Reference connector for male Luer connector tests | Select when evaluating male Luer connectors that require a female slip-type reference for leakage, separation or mating compatibility checks. |
| Figure C.6 | ISO 80369-7 Figure C.6 Male Reference Connector | Reference connector for female Luer connector performance checks | Select when testing female Luer connectors that require a male reference connector for separation, overriding or leakage-related performance checks. |
ISO 80369-7 Annex B and Annex C Mapping
| Document Section | What It Covers | Equipment Selection Impact |
|---|---|---|
| Annex B | Luer connector dimensional drawings and connector geometry reference | Useful for understanding why male/female, slip/lock and gauge selection cannot be treated as one generic connector. |
| Annex C | Reference connectors including Figure C.1 to Figure C.6 | Used for selecting the correct mating reference connector for leakage, separation, stress cracking, overriding and related performance checks. |
| ISO 80369-20 | Common small-bore connector test methods | Needed when the user requires leakage, air leakage, separation, unscrewing or load-related test equipment beyond gauges and reference connectors. |
Requirement and Equipment Selection Guide
The following table links common ISO 80369-7 verification needs to typical equipment categories. It is intended for quotation preparation and equipment planning, not as a substitute for the official test procedure.
| Verification Area | Purpose | Typical Equipment | Procurement Note |
|---|---|---|---|
| Dimensional screening | Check taper fit and mating geometry before functional testing | Male plug gauge, female ring gauge, gauge set | Best for routine inspection and process control |
| Fluid leakage | Evaluate positive-pressure liquid leakage at the connector interface | Leakage tester with suitable Annex C reference connector | Confirm sample gender and required mating reference before quotation |
| Sub-atmospheric air leakage | Check air leakage under negative pressure conditions | Sub-atmospheric air leakage test system | Usually requires a defined connector pair and controlled test fixture |
| Resistance to axial separation | Assess whether the connection separates under specified axial force | Axial load tester and matching Figure C reference connector | Important for connection integrity and mating reliability |
| Unscrewing resistance | Evaluate Luer lock threaded connection behavior | Reference connector and torque/unscrewing setup | Mainly relevant to Luer lock designs |
| Overriding and lock engagement | Check whether locking features override or lose engagement under load | Figure C reference connector and loading fixture | Confirm whether the sample is slip or lock before selecting equipment |
| Stress cracking | Assess material and connector design resistance under stress condition | Specified stress cracking setup with reference connector | Material, conditioning and connector geometry should be confirmed |
Luer Slip vs Luer Lock: Why Equipment Selection Changes
| Connector Type | Main Verification Concern | Equipment Selection Impact |
|---|---|---|
| Luer Slip | Taper fit, mating contact, leakage and separation behavior | Usually starts with plug/ring gauge checks and the correct slip-type reference connector for functional tests. |
| Luer Lock | Taper fit plus lock engagement, unscrewing resistance and overriding behavior | Requires attention to male/female reference connector selection and locking-feature test setup, not only dimensional fit. |
Engineering Selection Tips for ISO 80369-7 Luer Verification
Start equipment selection from the sample, not from the catalog name. Confirm whether the product under test is male or female, Luer slip or Luer lock, and whether the task is quick dimensional screening or formal functional performance testing.
For dimensional inspection, plug gauges and ring gauges are typically the most efficient tools. For leakage, separation, unscrewing, overriding and stress cracking evaluations, the correct Annex C reference connector and the related ISO 80369-20 test method support should be considered together.
A common procurement mistake is confusing ISO 80369-7 Figure C.5 or C.6 with similarly numbered figures in ISO 18250-3. The figure number alone is not sufficient. Always confirm the standard number, application field and connector system before ordering.
KingPo supplies ISO 80369-7 related Luer gauges and reference connectors manufactured according to standard-based dimensions and application-specific test requirements. For quotation, users are encouraged to provide connector drawings, sample photos, gender, slip/lock type, required figure number and intended test items.
Related Standards and Equipment Pages
Use these related pages for broader medical connector and test method planning. Luer products should remain under ISO 80369-7, while enteral connector products should be kept separate under ISO 18250-3 or ISO 80369-3 depending on the applicable system.
| Related Standard | Relationship to ISO 80369-7 | Link |
|---|---|---|
| ISO 80369-20 | Common small-bore connector test methods used with ISO 80369-7 functional tests | Planned Page |
| ISO 18250-3 | Enteral reservoir connector standard; should not be mixed with Luer products | ISO 18250-3 Reference Connectors |
| ISO 80369-3 | Enteral small-bore connector applications; not a Luer product category | Planned Page |
| IEC 60601-1 | General medical electrical equipment safety context for medical device laboratories | Planned Page |
Related Applications
FAQ: ISO 80369-7 Luer Gauges and Reference Connectors
What is ISO 80369-7 used for?
ISO 80369-7 applies to Luer connectors for intravascular or hypodermic applications. For equipment selection, it is normally used to identify suitable Luer gauges, reference connectors and related test setups for dimensional and functional connector verification.
Do I need a plug gauge, a ring gauge or a reference connector?
A plug gauge is typically used to check female Luer connectors, while a ring gauge is used to check male Luer connectors. Reference connectors are used when the test involves mating performance, leakage, separation, unscrewing, overriding or other functional checks.
Are ISO 80369-7 plug gauges and ring gauges mandatory under the standard?
ISO 80369-7 defines Luer connector requirements and related reference connector structures. In practice, plug gauges and ring gauges are widely used for quick dimensional verification, incoming inspection and process control, while formal performance testing normally relies on the appropriate reference connectors and test methods.
How do I choose between ISO 80369-7 Figure C.1 to Figure C.6?
Selection depends on the connector under test, the mating gender required by the method and whether the sample is Luer slip or Luer lock. The figure number should be selected together with the test purpose, such as leakage, axial separation, stress cracking, unscrewing or overriding.
Why should ISO 80369-7 Figure C.5 not be confused with ISO 18250-3 Figure C.5?
The same figure number can appear in different standards. ISO 80369-7 Figure C.5 belongs to the Luer connector system for intravascular or hypodermic applications, while ISO 18250-3 Figure C.5 belongs to the enteral reservoir delivery connector system. The standard number must always be confirmed before ordering.
What is the difference between Luer slip and Luer lock equipment selection?
Luer slip verification focuses mainly on taper fit, mating contact, leakage and separation behavior. Luer lock verification also involves locking features, thread or lug engagement, unscrewing resistance and overriding behavior, so the reference connector and fixture selection may be different.
When should I choose the complete ISO 80369-7 gauge and reference connector set?
A complete set is recommended when a laboratory needs to test multiple Luer connector types, support both male and female samples, cover both slip and lock configurations, or reduce the risk of selecting the wrong individual figure connector for a test plan.
What information should be provided before requesting a quotation?
Please provide the connector drawing, sample photo if available, male/female gender, Luer slip or Luer lock type, required figure number, expected test items and whether you need dimensional gauges only or a full reference connector and test system configuration.
Need Help Selecting ISO 80369-7 Luer Gauges or Reference Connectors?
Send us your connector drawing, sample type, Luer slip or Luer lock structure, required figure number and test items. KingPo will help match the suitable plug gauge, ring gauge, Annex C reference connector or related ISO 80369-20 test support configuration.
