An area gauge is a tool used in metalworking and manufacturing to draw precise lines on stationary materials. It can determine if planes are horizontal, locate the center of cylinders, compare measurements, and draw parallel lines. In automotive manufacturing, it refers to performance indicators on a vehicle’s dashboard. In the world of metalworking and manufacturing, […]
Mercury pressure gauges measure gas pressure using a vertical tube filled with liquid mercury. Closed-tube gauges are preferred due to mercury’s toxicity. They are used to measure atmospheric pressure and flow rates in air conditioning systems. Maintenance is required as mercury slowly vaporizes, leading to the use of alternative liquids. A mercury pressure gauge is […]
A paint gauge measures the depth of a paint job, commonly used in the automotive industry for quality control and detailing. There are different types of gauges, including mechanical, electric, and ultrasonic. Calibration is important for accurate readings. A paint gauge is a device that is used to measure the depth of a coat of […]
A gas manometer measures gas pressure using a U-shaped tube filled with liquid, with one end connected to a pressurized gas container. Open-tube gauges use atmospheric pressure to measure gas pressure, while closed-tube gauges avoid this. Digital gauges are also available. A gas manometer is a device used to measure the pressure of a gas. […]
Gauge blocks, also known as Jo blocks, are precision machined blocks used to calibrate measuring devices and for precise measurements. They come in sets of various sizes and grades of accuracy, made of high-quality steel or carbides. Squeezing and lapping are techniques used to fasten and create flat surfaces. They are used in calibration, measuring, […]
A pressure gauge measures atmospheric or gas/liquid pressure. A simple mercury gauge is made using a glass tube. The difference in height of the mercury on two sides of the manometer provides the measurement. A digital gauge is often used in modern pressure measurement applications. Pressure gauges are used in medicine, industry, avionics, and weather […]
A strain gauge measures changes in the length of an object and is widely used in materials testing and scientific research. The original contact strain gauge required physical contact with the object being measured, but non-contact optical strain gauges have been developed. Calibration and protection are important for accurate readings. A strain gauge, also sometimes […]
A strain gauge measures the amount of deformation in a material under stress. Elastic deformation disappears after stress is removed, while plastic strain results in permanent deformation. Metal foil strain gauges measure changes in electrical resistance when a conductive material strains, and require calibration through a Wheatstone bridge. They can be used for various measurement […]
Assessing cognitive function is crucial for treating physical and psychological illnesses. Tests measure brain function, including memory, attention, and consciousness. Cognitive dysfunction is a symptom of mental illness or physical brain injury. Mental status exams are common tests, and general intelligence tests can also be used. Chemical tests can provide additional insight. Warning signs of […]
A differential pressure gauge uses a U-shaped glass tube filled with liquid to measure pressure differences. The height difference of the liquid in the two arms indicates the pressure variation. The gauge can use denser fluids for larger pressure differences. Portable digital gauges use low freezing point, high-density indicator fluids and can be connected to […]
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