Measure the O₂ content in the air

It is suitable for measuring content of oxygen with low concentration

Air circulation by pump driving 

Measure the change of CO₂ content in the air 

Adopts diffusive design and can measure the dynamic change of carbon dioxide content in the air.

Measure the water vapour content in the air

Measure the oxygen dissovled in the liquid

With the temperature compensation function

Measure CO₂ dissolved in the liquid

Measure the Oxidation- reduction Potential of the solution

Measure the alcohol content in the air

Describe the EKG curves 

Measure the heart rate

Record the breathe time per minute

Measure the respiration rate under different conditions

Used with wireless interface

Hot-plug with sensor

With built-in lithium battery