Syringe Plunger Force Tester

The Syringe Plunger Force Tester is a high-precision and high-stability testing instrument designed to measure the plunger force generated during syringe actuation. By accurately monitoring the force required to push the plunger, this tester provides reliable data support for quality control in syringe manufacturing and inspection processes. Advanced force sensing technology combined with stable data acquisition ensures fast response, high repeatability, and dependable test results, making the Syringe Plunger Force Tester an essential device for evaluating syringe performance.

Application

The Syringe Plunger Force Tester is widely used in laboratory testing, production quality control, and product verification of medical syringes, including but not limited to:

Performance evaluation of disposable syringes during plunger actuation

Measurement of plunger push force consistency in syringe production

Verification of syringe plunger movement smoothness and resistance

Quality inspection of sterile disposable syringes

Applicable test products include:

Disposable medical syringes

Sterile single-use syringes

Syringes with different capacities and structural designs

Standards

The Syringe Plunger Force Tester complies with the following international and industry standards:

(1) GB 15811-2008 – Single-use Syringes

(2) GB 15810-2019 – Sterile Single-use Syringes

(3) ISO 7886-1:2017 – Sterile hypodermic syringes for single use – Part 1: Syringes for manual use

(4) YBB 0011-2004 – Performance Requirements for Syringes

(5) YBB 0015-2004-2015 – Test Method for Plunger Sealing Performance of Syringes

(6) YBB 0016-2004-2015 – Test Method for Syringe Sealing and Leakage Volume

(7) YBB 0011-2004-2015 – Test Method for Airtightness and Negative Pressure Retention of Syringes

Parameters

Features

High measurement accuracy

Equipped with a high-precision force sensor, the tester provides accurate and repeatable plunger force measurements with minimal deviation.

High level of automation

Automated control enables force measurement, data processing, and result output, significantly improving test efficiency and reducing manual intervention.

Simple and intuitive operation

A user-friendly operating process allows routine testing to be completed easily by following standard procedures.

Stable and reliable structure

Manufactured with high-quality materials and a compact mechanical structure, the instrument ensures long-term stable operation and consistent test results.

Accessories

(1) Standard syringe fixtures

(2) Force sensor assembly

(3) Control and measurement system

(4) Power cable

Test Procedures

Fix the syringe securely on the tester to ensure stable positioning.

Adjust the measurement range according to the syringe specification.

Start the test, and the instrument begins measuring the plunger force.

Record the measured data and evaluate whether the results meet the specified requirements.

If the results do not meet the standard, adjust the syringe or replace relevant components.

After testing, stop the instrument and archive the test data for reference.

Maintenance Information

Regularly inspect the force sensor to ensure measurement accuracy.

Keep the testing platform and fixtures clean to avoid contamination or mechanical interference.

Calibrate the instrument periodically according to laboratory requirements or standard procedures.

Ensure stable power supply and avoid operating the equipment in excessively humid or dusty environments.

FAQs

1. What is the Syringe Plunger Force Tester used for?

The Syringe Plunger Force Tester is designed to accurately measure the force generated during syringe plunger actuation. By monitoring the push force required to move the plunger, the instrument provides reliable data for quality control, production inspection, and performance evaluation of medical syringes. It is widely used to assess plunger movement smoothness, resistance, and force consistency, helping manufacturers ensure that syringes meet regulatory and performance requirements before release.

2. What types of syringes can be tested with this instrument?

The Syringe Plunger Force Tester is suitable for a wide range of medical syringe products. Applicable test samples include disposable medical syringes, sterile single-use syringes, and syringes with different capacities and structural designs. By adjusting the measurement range and test speed, the tester can accommodate various syringe specifications, making it suitable for laboratory testing, production quality control, and product verification across different syringe models.

3. Which standards does the Syringe Plunger Force Tester comply with?

The instrument complies with multiple international and industry standards related to syringe performance testing. These include GB 15811-2008 and GB 15810-2019 for single-use and sterile syringes, ISO 7886-1:2017 for manually operated hypodermic syringes, as well as several YBB standards covering performance requirements, plunger sealing performance, airtightness, leakage volume, and negative pressure retention. Compliance with these standards ensures the test results are recognized and suitable for regulatory and quality evaluation purposes.

4. What are the key technical parameters of the Syringe Plunger Force Tester?

The tester offers a standard measurement range of 0–500 N, with optional ranges of 300 N, 1000 N, and 2000 N. It features a resolution of 0.01 N and an accuracy of ±0.1 N. The test speed is freely adjustable from 1 to 500 mm/min, with a speed error of ±0.1 mm/s. The main unit measures 540 × 280 × 1250 mm, operates on AC 220 V ±22 V at 50 Hz, and weighs approximately 55 kg.

5. What features ensure accurate and reliable test results?

High accuracy and stability are achieved through the use of a high-precision force sensor combined with stable data acquisition technology. Automated control allows force measurement, data processing, and result output to be completed efficiently with minimal manual intervention. In addition, the tester is built with high-quality materials and a compact mechanical structure, ensuring long-term stable operation and high repeatability of test results.

6. How should the Syringe Plunger Force Tester be maintained?

Routine maintenance includes regular inspection of the force sensor to ensure measurement accuracy, keeping the testing platform and fixtures clean to prevent contamination or mechanical interference, and performing periodic calibration according to laboratory or standard requirements. A stable power supply should be maintained, and the instrument should not be operated in excessively humid or dusty environments to ensure long-term reliability and consistent performance.