Protected: Telli Health Peak Flow Meter – Parent Product


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Introducing the world’s first cellular-enabled Peak Flow Meter, designed to effortlessly measure both Forced Expiratory Volume in 1 second (FEV1) and Peak Expiratory Flow (PEF). This device marries the precision of medical-grade measurements with the convenience of modern technology, allowing individuals to monitor their lung function with unparalleled ease.

Its user-friendly interface and seamless connectivity via cellular networks empowers users to effortlessly track their respiratory metrics, enabling early detection of changes and timely interventions.

Pricing Breakdown:

One-time device fee includes 12 months of cellular connectivity. Annual fee of $24 is charged after 12 months and is recurring every year as long as the device is active.

Contents of Order:

1 x Peak Flow Meter

2 x AAA Alkaline Batteries

1 x Instruction Manual


  • Easy to use Peak Flow Meter
  • Measures FEV1 and PEF
  • 4G Cellular enabled
  • Power Supply: 2 x AAA Alkaline Batteries
  • Lightweight and small in size – only 52g and 142 x 48x 56mm
  • LCD Display
  • Test Method: Pressure Sensor
  • Measurement Range: Volume 0.5 ~ 8L   Flow Rate: 60L/min ~ 840L/min



  • Product Name: Peak Flow Meter
  • Model: SMPF2S
  • Power Supply: DC3V (2 AAA Alkaline batteries)
  • Display: Segment LCD
  • Test method: Pressure Sensor
  • Measurement range: Volume: 0.5 ~ 8L    Flow Rate: 60L/min ~ 840L/min
  • Accuracy: Volume: ±3% or ± 0.05L (whichever is greater)
  • Flow Rate: ±10% or ±10L/min of reading (whichever is greater)
  • Airflow resistance: 0.06 kPa/L/min
  • Flow Rate Frequency response: ±12% or ±15L/min (whichever is greater)
  • Working way: Continuous operation
  • Operating environment: +10°C ~ +40°C; < 80% RH
  • Operating atmospheric pressure: 700hPa ~ 1060hPa
  • Transport, storage environment: -10°C ~ +55°C; <95% RH
  • Transport, storage of atmospheric pressure: 500Pa ~ 1060Pa
  • Weight: 52g
  • Size: 142*48*56mm


Download Product Sheet 

Download How To Take A Reading Manual (for patients and device users)