Catheter Airflow Resistance Tester NOC-03 is a testing instrument suitable for evaluating the performance of anesthesia and ventilator breathing circuits. It primarily references the measurement of airflow resistance in Appendix A and the test for increased bending airflow resistance in Appendix E of standard YY0461.

Catheter Airflow Resistance Tester

Catheter Airflow Resistance Tester NOC-03, also known as the Breathing Circuit Airflow Resistance Tester or Breathing Circuit Bending Airflow Resistance Tester, is suitable for use by quality inspection agencies, medical device testing institutes, research universities, medical device manufacturers, and other organizations.

Main Parameters of Catheter Airflow Resistance Tester NOC-03

Pressure Range: 0～600 KPa; 0～87psi (standard)

Flow Range: 0～20L/min

Inlet Head Specification: Inner diameter Φ5.5～8.5 mm (standard), other specifications customizable

Air Source Pressure: 0.25 Mpa～0.7 Mpa (air source to be provided by the user)

Air Source Interface: Φ8 mm polyurethane tube

Control Box Dimensions: 325mm(L)×430mm(W)×205mm(H)

Test Chamber Dimensions: 550mm(L)×200mm(W)×168mm(H)

Power Supply: AC 220V 50Hz

Net Weight: Control Box 8.8kg; Test Chamber 6.4kg; Total 15.2 kg

Test Principle:

Airflow Resistance: After adjusting the test pressure and rated flow, record the change in pressure values before and after connecting the nasal oxygen tube (△P=P2-P1), which represents the airflow resistance.

Bending Airflow Resistance: Based on the airflow resistance test, hang the tubing for the bending test on a small-diameter metal column, attach a weight to the end of the tubing to maintain contact between the breathing circuit and half the circumference of the metal column, introduce air into the tubing at the manufacturer's rated flow, and record the pressure increase.

Testing Applications
General Functions: Airflow resistance of breathing circuits, increased bending airflow resistance

Professional Design

? Supports airflow resistance and bending airflow resistance testing functions

? Expandable to include five major testing functions: airflow resistance, collapse resistance, leak testing, pressure strength, and patency

? 7-inch color touchscreen control with an intuitive interface, greatly enhancing the user experience

? Equipped with a high-precision pressure sensor; output pressure can be stably controlled via a rotary pressure knob

? Includes a high-precision flow meter for accurate measurement of flow through the catheter

? Features dual conical interfaces of 15mm and 22mm to meet testing requirements for dual-interface breathing circuits

? Test devices such as buffer bottles are strictly designed according to standards

? Built-in powerful data storage function, capable of storing up to 10 data sets

? Comes with a mini printer for real-time printing of test results

? Pubtester also offers professional customization services for non-standard testing needs

? Provides free software upgrade services

Safety Protection

? Software includes an over-pressure shutdown function to effectively protect the sensor

? Intelligent configurations such as overload protection and power-off memory ensure user operational safety

Data Security

? Equipped with a four-level user security password strategy to ensure the security of test data

? Computer software complies with GMP "Computerized Systems" requirements, featuring user management, permission management, data audit trail, and other functions