How to Measure? Step-by-Step Video Instructions

This video demonstrates a clear, step-by-step workflow designed to help healthcare professionals perform FeNO measurements accurately and efficiently in clinical settings. The video begins by introducing the device setup, showing how to properly connect the breathing tube, handpiece, and disposable mouthpiece to ensure a secure and hygienic testing environment.

Next, the video guides users through powering on the device and preparing it for measurement. Patient information, such as age and gender, is entered into the system before initiating the test. During this stage, the device automatically performs an ambient nitric oxide check, ensuring that environmental conditions are suitable for accurate measurement.

The core of the video focuses on the breathing procedure. The patient is instructed to inhale deeply and then exhale steadily into the mouthpiece while maintaining a consistent flow. Visual indicators on the screen help guide the patient to keep their breath within the optimal range, ensuring reliable test results. This step is critical, as controlled exhalation directly impacts the accuracy of FeNO readings.

Once the breath sample is completed, the device processes the data within seconds and displays the FeNO result clearly on the screen in ppb (parts per billion). The video highlights how this quick turnaround supports immediate clinical decision-making and enhances workflow efficiency.

Additionally, the video emphasizes hygiene and safety by demonstrating the use of disposable mouthpieces, reducing the risk of cross-contamination between patients. It also shows how users can repeat tests or start new measurements seamlessly, supporting continuous clinical use.

Overall, the video provides a practical and user-friendly overview of the Sunvou HA1101 and TM1101 systems, helping users gain confidence in performing standardized FeNO testing and ensuring consistent, accurate respiratory diagnostics in everyday practice.

Discover how the Sunvou TM2120 FeNO device brings precision, efficiency, and clinical confidence into everyday respiratory diagnostics. This video provides a clear walkthrough of the device in action, demonstrating how exhaled nitric oxide (FeNO) measurement is performed and why it plays a critical role in modern asthma management.

The video begins by introducing the TM2120 as a reliable solution for measuring airway inflammation through breath analysis. By capturing exhaled nitric oxide levels, the device enables healthcare professionals to assess inflammation in both large and small airways, as well as the upper respiratory tract. This multi-level capability—covering FeNO50, FeNO200 (CaNO), and FnNO—ensures a comprehensive understanding of a patient’s respiratory condition.

As the demonstration progresses, viewers are guided through the measurement process. The TM2120 operates in an online mode, directly connected to the patient during sampling, allowing for real-time data acquisition. The video highlights how the system delivers fast, accurate readings, helping clinicians make informed decisions without unnecessary delays. (Sunvou)

Ease of use is another key focus. The interface is designed to simplify workflow, making it suitable for both experienced professionals and new users. The video also emphasizes the device’s flexible calibration options, including self-calibration and gas calibration, ensuring consistent performance across clinical environments.

Importantly, the TM2120 supports advanced biomarker detection, including nitric oxide (NO), hydrogen sulfide (H₂S), and carbon monoxide (CO). This expands its diagnostic value beyond standard FeNO testing, offering deeper insights into respiratory health.

Overall, the video showcases the TM2120 as a powerful, user-friendly tool that enhances diagnostic accuracy, supports personalized treatment decisions, and strengthens confidence in asthma management.

Welcome to the official Sunvou CA2122 FeNO video – your complete demonstration of how Sunvou’s all‑in‑one respiratory analyzer brings multi‑level nitric oxide testing into everyday clinical practice. This video walks through the full capabilities and workflow of the CA2122 FeNO device, showing how one system can perform a range of measurements to assess airway inflammation.

You’ll first see how the device handles bronchial FeNO (FeNO50) measurements, which help clinicians understand inflammation in the larger airways. The video then moves into alveolar nitric oxide (FeNO200 / CaNO) testing, offering insights into small airway involvement that’s essential in complex respiratory evaluations.

Next, the video introduces nasal nitric oxide (FnNO) testing, giving a complete picture of upper airway health. You’ll see how the system supports online testing with direct connection as well as offline measurements using transferrable sampling bags when direct patient testing isn’t possible.

A highlight of the demonstration is the tidal breathing mode – ideal for pediatric patients or individuals who can’t perform a controlled exhale. This mode shows how Sunvou has designed the CA2122 to be accessible and practical for diverse patient needs, improving measurement success even when standard protocols are challenging.

Throughout the video, the user experience is emphasized: from selecting test types and switching between modes to seeing how results are captured. The intuitive workflow simplifies respiratory assessment while ensuring reliable and repeatable results.

By combining multiple test methods in a single platform, the Sunvou CA2122 FeNO device helps healthcare professionals obtain a more comprehensive understanding of respiratory inflammation and make informed clinical decisions with confidence.

FeNO, or fractional exhaled nitric oxide, is a simple and effective way to measure airway inflammation—one of the key indicators in respiratory conditions such as asthma. This video introduces FeNO as a modern biomarker that provides healthcare professionals with a direct insight into what is happening inside a patient’s lungs, helping guide diagnosis and treatment decisions.

In everyday clinical practice, understanding airway inflammation can be challenging using traditional methods alone. FeNO testing offers a clear advantage by delivering a quantitative result through a fast and non-invasive procedure. By measuring the level of nitric oxide in a patient’s breath, clinicians can identify inflammation linked to asthma and related conditions with greater confidence and precision.

The video highlights how easy the FeNO test is to perform. Patients simply inhale and then exhale steadily into a handheld device, making the process quick, comfortable, and suitable for a wide range of patients, including children. The entire procedure typically takes only a few minutes and does not require blood samples or complex preparation, reinforcing its practicality in both primary care and specialist settings.

Another key message is the clinical value of FeNO in ongoing asthma management. Elevated FeNO levels indicate airway inflammation, while lower levels can reflect effective treatment. This allows healthcare providers to monitor patient response to therapy, adjust medication when necessary, and reduce the risk of exacerbations.

Overall, the video presents FeNO as a reliable, patient-friendly, and efficient diagnostic tool. By enabling real-time assessment of airway inflammation, it supports better clinical decisions and contributes to improved respiratory care outcomes.

In this video, we introduce the tidal FeNO test, a gentle and practical solution for measuring exhaled nitric oxide in patients who cannot perform traditional breathing maneuvers. The tidal test mode is designed especially for young children and individuals with limited breath control, offering a flexible and patient‑friendly way to assess airway inflammation using Sunvou’s advanced respiratory diagnostics.

You’ll first see an overview of the device setup and the unique tidal breathing method, where patients breathe normally into the sensor rather than sustaining a long, forceful exhalation. This approach allows multiple relaxed breaths over a short period, making it ideal for toddlers aged 0‑3 or older patients who struggle with standard online or offline sampling techniques.

The video then demonstrates step‑by‑step how to prepare the device, position the patient, and begin the tidal FeNO measurement. Clear visuals show the breathing interface and how the device collects consistent data from each breath. Sunvou’s intuitive design ensures that clinicians and technicians can perform the test with confidence, even in challenging patient scenarios.

You’ll notice how Sunvou technology seamlessly integrates into routine respiratory assessments, maintaining high reliability while accommodating real‑world clinical needs. The tidal mode is part of Sunvou’s broader FeNO testing ecosystem, which also includes bronchial, alveolar, and upper airway measurement options for comprehensive inflammation profiling.

By the end of the video, you’ll understand how the tidal FeNO test expands your toolkit for asthma management and inflammatory airway evaluation. Whether you’re working with pediatric patients or adults with limited breath control, this feature helps deliver accurate, reproducible results — reinforcing Sunvou’s commitment to innovative and accessible respiratory diagnostics.

Welcome to this clear and practical guide on offline FeNO measurement from Sunvou. In this video, we walk you through how offline fractional exhaled nitric oxide (FeNO) testing works and why it matters in clinical respiratory assessment.

First, we introduce the concept of offline FeNO measurement — a method used to collect and analyze exhaled breath samples without real‑time connection to the FeNO analyzer. Instead of measuring NO levels directly during exhalation, the patient breathes into a collection system and the sample is analyzed later. This approach gives clinicians flexibility when online testing isn’t feasible or when sampling in settings where real‑time measurement is difficult.

The video shows step by step how to prepare the sampling bags or containers, how the patient performs the breath collection correctly, and how to secure the sample for later analysis with Sunvou devices. We highlight the correct breathing technique, timing, and sample handling to ensure reliability and accuracy of the collected exhaled nitric oxide.

You’ll see how offline measurement can be especially useful in patients who may have difficulty with traditional online maneuvers or in field settings where immediate analysis isn’t possible. Whether you are working in a busy clinic or conducting respiratory research, mastering offline FeNO sampling broadens your diagnostic toolkit.

By the end of this video, you’ll understand the purpose of offline FeNO, how to perform the technique confidently, and how it fits into overall respiratory inflammation assessment and asthma management.

Sunvou’s training content is designed to support healthcare providers with clear visual instructions and practical knowledge so that FeNO testing can be performed with confidence and consistency.

Welcome to the Sunvou FnNO Nasal FeNO Test tutorial — your step‑by‑step guide to measuring nasal fractional exhaled nitric oxide (FnNO) from the upper airways with precision and confidence. This video shows how to correctly prepare, perform, and interpret the nasal FeNO test using Sunvou testing equipment, designed for clinical settings.

First, the video introduces the purpose of the nasal FeNO measurement: assessing inflammation in the upper respiratory tract through exhaled nitric oxide levels. FnNO testing provides valuable insights into nasal and sinus inflammatory status and complements lower airway FeNO testing for a complete airway assessment.

Before beginning, ensure the device is calibrated and ready. The presenter outlines how to set up the nasal sampling port and connection tubing, emphasizing clean and secure attachments. A cooperating patient is seated comfortably with head slightly tilted. The clinician instructs the patient on the correct posture and breathing technique to achieve stable nasal airflow suitable for accurate FnNO detection.

As the procedure begins, the patient gently breathes through the nose into the sampling interface, following on‑screen prompts for timing and flow control. The video demonstrates how to maintain consistent nasal exhalation against resistance to isolate upper airway nitric oxide. Throughout the recording, clear graphics show the real‑time FnNO values on the device screen and how to recognize a valid recording.

Finally, the video covers how to save the measurement, interpret the numeric results, and proceed with clinical decision‑making based on FnNO levels. Following this structured Artery to ensure reliable data collection and enhance respiratory inflammation evaluation in your practice.

If you’d like additional video guidance on other FeNO tests — from offline sampling to alveolar and bronchial measurements — explore the rest of our Sunvou tutorials online.

In this video, we introduce you to the FeNO200 – Alveolar Feno Test by Sunvou, a cutting‑edge method designed to measure inflammatory activity deep within the lungs’ small airways. Unlike traditional FeNO tests that focus on large airway inflammation, the FeNO200 measurement uses a higher expiratory flow rate to focus on small airway health — the regions often affected earlier in respiratory conditions.

The video begins by explaining what FeNO200 is: it’s a specific fractional exhaled nitric oxide test measured at a flow rate of 200 mL/s, offering sensitive detection of inflammation beyond the large central airways. High FeNO200 levels can indicate areas of concern deeper in the lungs — information that’s especially valuable for clinicians tracking small airway involvement in conditions like asthma and chronic airway diseases.

We then walk through the testing process step by step, showing how a patient breathes steadily into a Sunvou FeNO analyzer. The device records the nitric oxide concentration from the exhaled breath at the FeNO200 rate, helping to assess whether small airway inflammation is present. Throughout the walkthrough, clear visual cues and prompts guide viewers through proper breathing technique and device handling.

Next, the video highlights the clinical value of understanding inflammation in the small airways. By measuring FeNO200, healthcare professionals can gain deeper insight into disease progression, tailor treatment plans more accurately, and monitor how well patients respond to anti‑inflammatory therapies.

Finally, Sunvou emphasizes the innovation behind its FeNO technology — providing a reliable and non‑invasive tool that captures breath biomarkers with precision, helping clinicians make informed decisions and ultimately support better respiratory care outcomes.

In this video, you’ll see how to perform a Bronchial FeNO50 test — a standardized measurement of nitric oxide in the exhaled breath, focused on large airway inflammation. The FeNO50 test helps clinicians evaluate respiratory inflammation, a key marker in conditions such as asthma.

First, we prepare the FeNO measurement device and accessories according to the manufacturer’s instructions, ensuring a clean mouthpiece and properly calibrated equipment. The test setup is designed for accuracy and patient comfort. Next, the operator explains the procedure to the patient, emphasizing the importance of a steady breath flow throughout the measurement.

The patient sits upright and places the mouthpiece in their mouth. With guidance from the clinician or technician, the patient inhales deeply to fill their lungs, then exhales slowly and steadily into the FeNO device at a controlled flow rate. The device accurately measures the fractional exhaled nitric oxide concentration as parts per billion (ppb). This specific flow rate — 50 mL per second — targets nitric oxide levels from the bronchial region of the large airways.

Throughout the measurement, visual and audio feedback guides the patient to maintain consistent breath technique. Once the exhalation is complete, the device displays the FeNO50 value immediately. Clinicians can repeat the test if needed to ensure reliable results.

The FeNO50 reading you get from this test serves as a non‑invasive biomarker for airway inflammation and supports clinical decisions around respiratory diagnosis and treatment.

Welcome to Sunvou, where innovation meets impactful healthcare solutions. At Sunvou, we are driven by a clear mission — to empower clinicians and healthcare facilities with the most advanced breath diagnostic technologies on the market.

Founded with a vision to transform respiratory and general health diagnostics, Sunvou is proud to be recognized as a leading manufacturer of cutting‑edge breath test medical devices. Our technologies enable accurate, non‑invasive diagnosis, supporting tailored treatment decisions for patients of all ages.

Through years of dedication and research, Sunvou has developed a diverse portfolio of solutions that support breath analysis in both respiratory and gastroenterological care. Our devices are designed to measure key biomarkers — giving clinicians the tools they need for precise assessments quickly and confidently.

In the video, you will see how our systems integrate seamlessly into clinical workflows. From establishing precise lung inflammation profiles to facilitating advanced screening for conditions like asthma, our instruments bring reliable, real‑time data into every exam.

Sunvou’s commitment to quality and innovation is supported by a strong global presence — with products used across 20+ countries, serving hospitals, clinics and medical professionals worldwide. Our dedication goes beyond devices; it’s about shaping a future where breath analysis enhances patient outcomes everywhere.

As you watch, notice how each technological feature is built with clear clinical purpose — helping healthcare professionals make informed decisions quickly. Sunvou continues to lead in breath diagnostics, combining scientific excellence with practical usability.