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A peak flow meter is a device that measures how well your lungs expel air. The device is a valuable tool for people with a respiratory condition like asthma or COPD, because it helps track the ...

Ever wondered how engineers inspect capacitors, resistors, and inductors? The solution is frequently in a device known as an LCR meter. The tool is quite valuable since it measures three significant ...

Usuallyyour meter will be bought or adapted for a specific measurement and youwill not have to make special efforts to get it to read what you want.Or your schematic will specify the sensitivity of ...

Turbidity is an internationally recognized criterion for assessing drinking water quality, and a Turbidity Meter is an optoelectronic instrument that assesses turbidity by measuring the scattering of ...

Digital multimeters (DMM), once called voltmeters, have been described as the tape measure for engineers in the new millennium. With electronics and electrical circuits included in almost every ...

Controlling your blood sugar, or blood glucose, level is key to managing diabetes. Accurate test results help people with diabetes adjust their diet, exercise routine, and treatment plan—which might ...

Editor’s note: This column was produced before Gene Wengert died in 2025. It is printed here in memoriam. Q How deep should needles go in rough or planed lumber using a pin moisture meter? Insulated ...