A peak flow meter is an inexpensive, portable, handheld device for those with asthma that is used to measure how well air moves out of your lungs. Measuring your peak flow using this meter is an ...

A peak flow meter is a handheld device that measures airflow rate and can help those with respiratory conditions like asthma monitor their condition.

The DTC-25 and DTC-300 thermal conductvitity meters provide direct measurement of thermal conductivity based on the ASTM E1530 guarded heat flow meter method. The DTC-300 meter consists of a guard ...