An inexpensive handheld device used by patients with Asthma to measure air flowing out of the lungs is called a peak flow meter. This device helps individuals monitor their lung function by measuring the peak expiratory flow rate (PEFR), which can indicate how well their asthma is controlled. Regular use of a peak flow meter can assist patients in managing their condition and recognizing when their asthma may be worsening.
handheld scanner
A multimeter set to measure current (in amperes) would be used to measure current flowing in a circuit. The multimeter needs to be connected in series with the circuit to accurately measure the current.
Ammeters measure the current flowing through a circuit
Amperage.
A decibel meter is used to measure sound. It is a handheld device and can be used to quickly measure how loud certain sounds are. They are sometimes used to measure how loud a crowd is in sports.
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measure the tube from the corner of the patients mouth to the tip of their ear.
Snowfall is measured by a meterologist and they measure it with a handheld wooden device measured in inches, this device is called a RULER.
The property of flowing very quickly in liquid is called fluidity. It refers to the measure of the extent to which a substance is fluid.
It is a brief measure of psychological disturbance,that is reliable and sensitive to changes patients make when they are in therapy
You can measure current - or the lack of current - with an ammeter.
The scientist can use litmus paper or pH test strips to measure the approximate pH of swamp water. These tools are simple, inexpensive, and easy to use for a quick estimation of the water's acidity or alkalinity.