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The R 3 /C 1 combination applies high voltage to Q 1, a 40V-breakdown device. Set the high-voltage “bias-adjust” control at the point where free-running pulses across R 4 just disappear. This setting ...

Justin Jaffe is the Managing Editor for CNET Money. He has more than 20 years of experience publishing books, articles and research on finance and technology for Wired, IDC and others. He is the ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

In 1995 Nonin Medical revolutionized pulse oximetry with the Onyx. Hundreds of thousands of people trust Onyx, the first self-contained digital fingertip pulse oximeter. Incorporating the electronics ...

Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...

Cholesterol plays a key role in our body as it aids in hormone production and the digestion process. Nonetheless, an excess of cholesterol can cause severe health issues such as heart disease, stroke, ...

The small and lightweight H100N Handheld Pulse Oximeter is tailored for continuous monitoring or spot checks in physician offices or clinics, EMS/transport or in acute care setting. Features: LCD ...