Please read the following table for sensor specifications. 



Measurement Ranges

Airflow, ±10L/s

Volume,  ±100L

Adjusted Volume, ±100L

Cyclic Volume, ±100L

Breathing Rate, 0 to 50 BPM

Differential Pressure, ±2kPa (±20cmH2O)


Airflow, 0.01L/s

Volume, 0.01L

Adjusted Volume, 0.01L

Cyclic Volume, 0.01L

Breathing Rate, 0.01BPM

Differential Pressure, 0.001kPa

Fastest logging speed

5ms (200Hz)


Wired via USB

Wireless via Bluetooth

Bluetooth Specifications

Bluetooth 4.2 low energy radio, single mode compliant

Transmit (TX) power: 0 dBm

Receiver (RX) sensitivity: - 90 dBm

Usable transmission range: up to 10 m in open air

Frequency Range: 2.402 to 2.480 GHz operation

Operating range: 0 - 40 ̊C and 0 to 95% RH (non-condensing)

Internal Battery

Rechargeable internal lithium-ion 3.7 V 

Power specification: 5 V at 500 mA

Storage/Operating Temperature

0 - 40 ̊C


0 to 95% RH (non-condensing)

Physical Specifications

Weight: approx. 80 g

External dimensions: approx. height 45 mm x width 55 mm x length 135 mm