Features

Breathpal was developed to be for personal and professional usage, with following requirements as starting point:

Low cost electronics and construction
Suitable to wear daylong to gather breathing patterns while not paying attention to it
Simple in use: no training required

This resulted in a device with the following features and properties:

Easy attachment and operation by use of RIP strap poppers
Instant working: No On/Off switch needed
Small and light to allow invisible wearing: 6.2 x 3.0 x 1.2 cm, 20 grams, for the abdominal sensor, 3,9 x 3.0 x 1.2 cm, 13 grams, for thorax sensor. Straps 11 gram each
Full day battery life and raw data storage. Recharging and bulk data retrieval over USB
Accurate 2-ch RIP: resolution* up to 0.07 cm² intersection surface change
Low temperature drift and no mutual influencing between RIP bands
Movement and orientation sensor: 3-D 12 bits accelerometer +/- 2G
Temperature sensor: 1 ⁰C resolution
Tactile feedback by integrated vibration motor
Sample speed 2.5 – 5 – 10 samples per second*
Real Time Clock and Data stamps included.
BLE 5.0 Wireless Communication for real time data communication using dedicated dongle
Open and easy communication protocol; simple Windows presentation and storage tools
Economical design, low cost at volume production

*: Resolution and sample speed can also be adapted on request

The sensor hardware is supported by Windows applications for data retrieval and sensor configuration, and firmware upgrade.