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Certifier™ Plus Flow Analyzer

The Certifier™ Plus Flow Analyzer Ventilator Test System is a handheld, full-featured system capable of testing virtually all models of ventilators

Certifier Plus Flow Analyzer

The Certifier™ Plus Flow Analyzer is a handheld, full-featured system capable of testing virtually all models of ventilators: adult, pediatric, anesthesia, neonatal, and high-frequency. It can also test a variety of other medical equipment such as anesthesia gas deliver machines, air oxygen blenders, medical insufflators, oxygen concentrators, CPAPs, and more. Its compact size, easy operation, rugged design, and multiple mounting options make the Certifer™ Plus test system ideal for use in hospitals, field service, biomedical shops, manufacturing, laboratory, and home care environments.

Fast response, bi-directional flow sensing, and high accuracy ensures that the Certifier™ Plus will deliver the measurement performance needed for biomedical professionals to do their jobs. This ventilator tester is capable of measuring air, oxygen, air/oxygen mixtures, nitrous oxide, carbond dioxide, and nitrogen gas flows.

Learn more about our NEW Anesthesia Sensor > 


Certifier-Plus-Flow-Analyzer-Brochure-


Measures a Wide Range of Biomedical Test Parameters

  • Gas flows
  • Inspiratory and expiratory gas volumes
  • Gas pressures (barometric and breathing circuit)
  • Respiratory rate
  • Timing parameters
  • Gas temperature
  • Oxygen concentration (with 4073 kit)

Certifier™ Plus Customer Benefits

  • Easy to use, including auto-triggering functionality
  • Compact and lightweight for portability
  • Mainstream flow sensing provides fast response and accurate measurements
  • Unique modular design provides flexibility and reduces total cost of ownership
  • Multiple mounting options and user configurations 
  • Durability 
  • Best-in-class value

Top-Selling Add-on Parts


Calibration and Service

Looking to calibrate your TSI Certifier™ Plus Flow Analyzer? TSI's worldwide service, calibration, and repair options are available on our flow service page.

Flow Service

Certifier Flow Analyzer Plus Ventilator Test System 4080

This instrument has been discontinued as of August 1, 2022. Service will continue until 2027 (calibration service does not apply). See related products as applicable replacements. Discontinued RECOMMENDED REPLACEMENT *a newer model of this product is now available

Certifier™ Plus Test System Full Kit 4080-F

A handheld, full-featured system capable of testing virtually all models of ventilators: adult, pediatric, anesthesia, neonatal, and high-frequency. It can also test a variety of other medical equipment such as anesthesia gas delivery machines, air-oxygen blenders, medical insufflators, oxygen concentrators, CPAPs, and other devices with pneumatic gas flows. ISO 17025 Accredited Version

Certifier™ Plus Test System Full Kit 4080-F-AC

ISO 17025 Accredited A handheld, full-featured system capable of testing virtually all models of ventilators: adult, pediatric, anesthesia, neonatal, and high-frequency. It can also test a variety of other medical equipment such as anesthesia gas delivery machines, air-oxygen blenders, medical insufflators, oxygen concentrators, CPAPs, and other devices with pneumatic gas flows.

Certifier™ Plus Test System Standard Kit 4080-S

A handheld, full-featured system capable of testing virtually all models of ventilators: adult, pediatric, anesthesia, neonatal and high-frequency. It can also test a variety of other medical equipment such as anesthesia gas delivery machines, air oxygen blenders, medical insufflators, oxygen concentrators, CPAPs, and more. ISO 17025 Accredited Version

Certifier™ Plus Test System Standard Kit 4080-S-AC

ISO 17025 Accredited A handheld, full-featured system capable of testing virtually all models of ventilators: adult, pediatric, anesthesia, neonatal and high-frequency. It can also test a variety of other medical equipment such as anesthesia gas delivery machines, air oxygen blenders, medical insufflators, oxygen concentrators, CPAPs, and more.

Certifier™ Plus High Flow Module 4081-AC

ISO 17025 Accredited The Certifier™ Plus High Flow Module 4081 works with the Certifier™ Plus Interface Module 4089. Flow Range: -200 to 300 Standard L/min Gas Calibrations: Air, Oxygen, Air/Oxygen Mix, Nitrogen, CO2 Gas Conditions: STP, ATP, BTPS, BTPD, or user-defined Connectors: 22 mm female ISO taper (inlet), 22 mm male ISO taper (outlet)

Certifier™ Plus High Flow Module 4081

The Certifier™ Plus High Flow Module 4081 works with the Certifier™ Plus Interface Module 4089. Flow Range: -200 to 300 Standard L/min Gas Calibrations: Air, Oxygen, Air/Oxygen Mix, Nitrogen, CO2 Gas Conditions: STP, ATP, BTPS, BTPD, or user-defined Connectors: 22 mm female ISO taper (inlet), 22 mm male ISO taper (outlet) ISO 17025 Accredited Version

Certifier™ Low Flow Module 4082

The Certifier™ Low Flow Module 4082 works with the Certifier™ Plus Interface Module 4089 or the Certifier™ FA+ Interface Module 4088 (discontinued). The low flow module is primarily used to test anesthesia gas delivery machines. Flow Range: 0.01 to 20 Standard L/min Gas Calibrations: Air, Oxygen, N2O, CO2, Nitrogen Gas Conditions: STP, ATP, BTPS, BTPD, or user-defined Connectors: 3/8 inch (inlet and outlet) ISO 17025 Accredited Version

Certifier™ Low Flow Module 4082-AC

ISO 17025 Accredited The Certifier™ Low Flow Module 4082 works with the Certifier™ Plus Interface Module 4089 or the Certifier™ FA+ Interface Module 4088 (discontinued). The low flow module is primarily used to test anesthesia gas delivery machines. Flow Range: 0.01 to 20 Standard L/min Gas Calibrations: Air, Oxygen, N2O, CO2, Nitrogen Gas Conditions: STP, ATP, BTPS, BTPD, or user-defined Connectors: 3/8 inch (inlet and outlet)

Certifier™ Plus Display Interface Module 4089

The Certifier™ Plus Interface Module connects to and powers the Certifier™ Plus High Flow and Low Flow Modules. The touchscreen display on the interface module is used to the control the Certifier™ Plus Test System and display measurement readings and breath waveforms in graphical form.

Certifier™ Plus Display Interface Module 4089-F

The Certifier™ Plus Interface Module connects to and powers the Certifier™ Plus High Flow and Low Flow Modules. The touchscreen display on the interface module is used to the control the Certifier™ Plus Test System and display measurement readings and breath waveforms in graphical form.