Syringe needle flow tester

The Syringe Needle Flow Tester is designed to evaluate the flow characteristics of syringes by measuring the volume of liquid discharged over a specified time. It provides accurate and reproducible results for quality control, research, and development of syringes, anesthetic puncture kits, and pre-filled injection systems. The device integrates a test body, syringe fixture, flow meter, and control system for precise testing.

Application

This tester is suitable for a wide range of medical devices, including:

(1) Disposable anesthetic syringes – testing flow rate consistency for anesthesia delivery.

(2) Pre-filled syringes – ensuring accurate dosing and uniform liquid discharge.

(3) Standard hypodermic syringes – assessing flow characteristics for various liquid viscosities.

(4) Infusion needles – evaluating needle performance under different pressures.

(5) Catheter-mounted syringes – verifying flow rate for precise medical application.

(6) R&D and production line quality control – confirming syringe compliance with standards.

Standards

The instrument is designed to meet the following standards:

(1) YY 0321.1: Disposable anesthetic puncture kit (China)

(2) YYB: Stainless steel injection needle for pre-filled and sealed syringes (China)

Optional compliance with international standards:

(3) ISO 7886-1: Sterile hypodermic syringes – Part 1

(4) ISO 8537: Single-use sterile needles and syringes

Features

(1) Measures syringe flow rate accurately over a fixed time interval.

(2) Integrated control system for precise pressure and flow management.

(3) Supports different syringe sizes with customizable fixing fixtures.

(4) Real-time monitoring of test parameters, ensuring reliable results.

(5) Easy-to-use interface for rapid setup and operation.

(6) Compact design suitable for laboratory or production environments.

Parameters

Parameter	Specification
Test pressure	0 – 400 kPa
Pressure resolution	0.1 kPa
Pressure accuracy	±1% FS
Air source interface	8 mm polyurethane pipe
Test interface	6% Ruhr connector (customizable)
Host dimensions (L × W × H)	325 × 420 × 170 mm

Accessories

(1) Test body – 1 set

(2) Syringe fixing device – 1 set

(3) Flow meter – 1 set

(4) Control system – integrated

(5) Operation manual – 1 set

(6) Optional connectors and adapters for different syringe types

Test Procedures

(1) Secure the syringe in the fixing device according to its nominal size.

(2) Connect the air source and test interface.

(3) Set the test pressure and duration on the control system.

(4) Start the test; the device will measure the volume of liquid discharged over the specified time.

(5) Record the flow rate data and analyze results for compliance.

Maintenance Information

(1) Keep the device clean and free from liquid or dust ingress.

(2) Inspect the flow meter and syringe fixtures regularly to ensure accurate readings.

(3) Avoid exposing the device to excessive humidity, vibration, or temperature fluctuations.

(4) Calibrate pressure sensors periodically to maintain accuracy.

(5) Follow standard electrical safety guidelines during operation.

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