Luer conical joint multi-function tester

The Luer Conical Joint Multi-Function Tester is a precision instrument designed to evaluate multiple performance characteristics of Luer-type connections used in medical devices. It tests leakage, gas tightness, separation force, unscrewing torque, assembly ease, slip resistance, and stress cracking of syringes, needles, infusion sets, catheters, and anesthesia filters. The device ensures reliable performance, safety, and compliance of medical Luer connections for both locked and non-locked designs.

Application

This tester is suitable for a broad range of medical Luer connection testing scenarios, including:

(1) Syringes (1 mL – 60 mL) – verifying leakage, torque, and assembly performance.

(2) Injection needles – testing connection integrity and unscrewing torque.

(3) Infusion sets and blood transfusion sets – assessing slip resistance and stress cracking under load.

(4) Catheters – evaluating connection reliability and sealing performance.

(5) Anesthesia filters – ensuring secure connections and prevention of leaks.

(6) Research and development of new Luer-type connectors – optimizing design for clinical use.

(7) Production line quality control – guaranteeing consistent performance across batches.

Standards

The tester complies with the following domestic and international standards for medical Luer connections:

(1) GB/T 1962.1-2015: Syringes – Luer lock and Luer slip connections (China)

(2) GB/T 1962.2-2001: Medical syringes – Performance testing (China)

(3) ISO 80369: Small-bore connectors for liquids and gases in healthcare applications (International)

(4) ASTM F2394: Standard test method for Luer connectors (International)

Features

(1) Multi-function testing of leakage, gas tightness, separation force, torque, assembly ease, slip resistance, and stress cracking.

(2) Supports both locked and non-locked Luer connections.

(3) Adjustable parameters for axial force, separation force, internal water pressure, torque, and hold time.

(4) High-precision measurement with minimal error (≤1%).

(5) Compact and portable design for laboratory or production use.

(6) User-friendly interface with easy adjustment of test parameters.

Parameters

Parameter	Specification
Nominal capacity	1 mL – 60 mL (optional)
Axial force	0 – 100 N, error ≤ 0.5%
Separation force	20 – 40 N, error ≤ 1%
Internal water pressure	200 – 400 kPa, error ≤ 0.5%
Torque	0.01 – 0.5 N·m, error ≤ 0.5%
Hold time	1 – 60 s, error ≤ 1 s
Dimensions (L × W × H)	450 × 350 × 400 mm
Net weight	28 kg
Standards	GB/T 1962.1-2015, GB/T 1962.2-2001, ISO 80369, ASTM F2394

Accessories

(1) Main unit – 1 set

(2) Fixture adapters for different Luer sizes – 1 set

(3) Pressure calibration kit – 1 set

(4) Operation manual – 1 set

(5) Power cable – 1 set

Test Procedures

(1) Select the appropriate Luer adapter for the device under test.

(2) Mount the syringe, needle, or catheter securely in the fixture.

(3) Set the required test parameters: axial force, separation force, internal pressure, torque, and hold time.

(4) Start the test cycle. The instrument measures all performance indicators in real time.

(5) Record and print the results, including any failures or deviations.

Maintenance Information

(1) Keep the tester clean and free from dust or fluid contamination.

(2) Inspect adapters and fixtures regularly for wear or damage.

(3) Calibrate pressure and torque sensors periodically to maintain accuracy.

(4) Store in a stable, dry environment.

(5) Follow electrical safety regulations during operation.

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