pulse oximeter low reading


How to Read a Humminbird Fish Finder

Humminbird fish finders are a popular type of fish finder and help fishermen and other recreational boaters determine what is in the water beneath them. These fish finders show the bottom of the lake, river, or reservoir, as well as fish, debris, and other items that are in the water. In addition, Humminbirds give information […]



Difficulties Adjusting to Reading Glasses

Getting reading glasses can be exciting but it can also cause some difficulties. There are some common symptoms people experience when adjusting to new glasses. For other, the symptoms are more severe. Knowing what will happen and what should not happen, will help you adjust to the glasses and know when to return to the […]



How to Read Highway Blueprints

Civil engineers design highways and create large sets of documents called highway blueprints. These plans are sheets of drawings and charts that illustrate proposed new roadways or existing road improvements. Highway blueprints convey design, construction and right-of-way information that designers, contractors, estimators, construction workers, appraisers, negotiators, attorneys and property owners use. Contact your Department of […]



How to Read an RTF File

Rich Text Format (RTF) is a file type recognized by several common word processing software applications. Microsoft Word, OpenOffice and Wordpad are a few of the applications that recognize the RTF format. Wordpad is a free tool installed with your Windows operating system. If you do not have advanced word processing software installed, you can […]



How to Read Foundation Blueprints

Construction drawings communicate in graphic language. Learning the language is a skill developed through consistent exposure and study of drawings, resulting in greatly improved understanding of the work. Blueprints are only one part of the construction drawing package. Written specifications describe the details that can’t be communicated through the drawings. Where the drawings and specifications […]



How to Use a Manual Light Meter

Using a manual light meter to determine the aperture of your camera may take some getting used to, but once you become accustomed to how your meter works, you should be able to get readings without much difficulty. Manual light meters allow you to read the reflected light of your subject or the incident light […]



How to Read & Interpret a Multimeter

A multimeter is an electronic device for testing electrical circuits for proper performance. Multimeters are equipped with a settings control to test voltage, amp output and ohms, which is a measure of current resistance. Two probes wired to the multimeter attach to the positive and negative terminals on the circuit. The measurements display on a […]



How to Read ASCII Files in MS Word

The acronym ASCII, which stands for the American Standard Code for Information Interchange, encodes a set of characters. The basic ASCII set includes letters of the English alphabet of as well as other symbols, such as an exclamation mark or comma. In fact, the ASCII files are actually text files. Such files may have a […]



How to Read a Glass Thermometer To Check Body Temperature

Daniel Fahrenheit invented the glass thermometer, which contains mercury, to measure body temperature. On one end of the thermometer there is a silver colored bulb containing the mercury. When the mercury is warmed by body heat, it rises in a tube within the glass thermometer. To learn how to read a glass thermometer, check the […]



The Proper Lighting for Reading

Having optimal reading light will help you maintain the health of your eyes. Ensure that the type of light you use, the angle of the light fixture, and the brightness of the light allow you to read without straining your eyes. [IMG] http://img-aws.ehowcdn.com/default/cme/cme_public_images/www_ehow_com/photos.demandstudios.com/getty/article/154/145/200432765-001_XS.jpg [/IMG] (James Woodson/Digital Vision/Getty Images) Reading in improper lighting can give you […]



How to Read a Multimeter Electric Tester

Multimeters are electrical test meters that can be used as voltmeters, ammeters, or ohmmeters. Basically, a voltmeter measures the volts of an electrical system and a multimeter can be set for DC or AC voltage. Similarly the AC or DC current (ammeter) measured in amps can be measured with a multimeter as well. Finally the […]



How to Read a Geiger Counter

A Geiger counter detects ionizing radiation such as beta and gamma particles, and some models also detect alpha particles. The primary component of the Geiger counter is a tube filled with a gas that conducts electricity when struck by radiation. This allows the gas to complete an electrical circuit. This typically includes moving a needle […]



How to Read a MRI

MRI stand for Magnetic Resonance Imaging. MRIs offer an excellent look at the anatomy and tissues inside a person’s body, with a level of detail that is far better than other methods such as X-rays or ultrasound. One advantage of an MRI is that it is able to take many images from different areas, as […]