A structure or part that is enclosed within its own membrane inside a cell and has a particular function. Organelles are found only in eukaryotic cells and are absent from the cells of prokaryotes like bacteria.The nucleus, mitochondrion, and chloroplast are examples of organelles.rÂ·ganÂ·elle. n. A differentiated structure within a cell, such as a mitochondrion, vacuole, or chloroplast, that performs a specific function. [New Latin. , diminutive of Medieval Latin.
A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter.Voltmeters are made in a wide range of styles.eneral purpose analog voltmeters may have an accuracy of a few percent of full scale, and are used with voltages from a fraction of a volt to several thousand volts. Digital meters can be made with high accuracy, typically better than 1%.
Shares & Saves. Save. An elcometer is generally used as a paint thickness measuring device, although it will measure the applied thickness of any blasted substrate coating. Measuring paint or substrate coatings have many practical and quality control applications in the industry.alibrate your manual elcometer by inserting a piece of replica tape and measuring the thickness. Once the thickness of the tape is known, zero out the elcometer. Place your replica tape on a piece of coated substrate, adhesive side down, and firmly rub the center with a burnishing tool.