Vernier Software and Technology
Vernier Software & Technology


Spirometer product image

The Spirometer is designed to make human respiratory measurements at rest and during moderate activity. Use it to perform a variety of experiments related to air flow and lung volume. The removable flow head (22 mm ID/30 mm OD) makes it easy to clean and sterilize.

Sample Data



  • Flow rate: ±10 L/s
  • Dead Space: 93 mL
  • Nominal Output: 128 mV/[L/s]
  • Detachable Flow Head

    • Dimensions: 80.5 mm (diameter) × 101.5 mm (length)
    • Mass: 80 g
    • Construction: Clear acrylic plastic
  • Handle

    • Dimensions: 127 mm × 23 mm × 35 mm
    • Mass: 85 g
    • Construction: Black ABS plastic
  • Cable length: 1.5 meters
View the Spirometer user manual

Experiments and Lab Ideas

Lab Ideas and Innovative Uses

Do you have an innovative use for Vernier technology? What about a favorite lab or demo? We love to hear what creative uses people have for our products. Please email them to

Compatibility Requirements

The Spirometer may require a compatible interface and software. Choose a platform below to see compatible interface and software options.

What’s Included

  • Vernier Spirometer (includes sensor handle and flow head)
  • (5) disposable mouthpieces
  • (1) disposable bacterial filter
  • (2) nose clips
  • View the Spirometer user manual

Ordering Information

All prices are for U.S. educators.

NameOrder CodePriceQuantity
SpirometerSPR-BTAContact Us
Optional Accessories
Disposable Bacterial Filters for Spirometer (10 pack)SPR-FIL10Contact Us
Disposable Bacterial Filters for Spirometer (30 pack)SPR-FIL30Contact Us
Disposable Mouthpieces for Spirometer (100 pack)SPR-MP100Contact Us
Disposable Mouthpieces for Spirometer (30 pack)SPR-MP30Contact Us
Noseclips for Spirometer (10 pack)SPR-NOSE10Contact Us
Noseclips for Spirometer (30 pack)SPR-NOSE30Contact Us
O2 Gas Sensor to Spirometer AdapterO2-SPRContact Us
Spirometer Flow HeadSPR-FLOWContact Us


Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »

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