The Bourdon manometer, invented in 1849, is widely used for measuring pressure in liquids and gases. It consists of a tube that straightens as pressure rises, with an oval cross section and a pointing device for accurate measurement. Bourdon gauges are accurate to within 0.1% and used in various settings, but can be damaged by […]
A manometer measures pressure in gases or liquids. Pressure gauges are used for various purposes and should be calibrated periodically. Different styles of gauges are available, including Bourdon tubes and diaphragms. Monitoring pressure in pressurized systems is important for safety. Some gauges can be connected to remote indicator panels or automatically shut down a system […]
Wire gauge determines the thickness of a wire, with higher numbers indicating thinner wires. American Wire Gauge (AWG) and Metric Wire Gauge (MWG) are the two standards. Thicker wires have lower resistance, less flickering, and more stable power. Improperly wired fuses can cause continuous tripping and fire hazards. Thicker wires are required for larger fuses […]
A vacuum gauge monitors engine vacuum and can diagnose issues with timing, fuel settings, and spark timing. An engine is an air pump, and the gauge shows air loss or leaks. A fluctuating vacuum reading can indicate issues with ignition, valves, or a blown head gasket. A vacuum gauge monitors the engine’s vacuum. Much can […]
A drill gauge is a tool used to determine the size of a drill bit, with holes representing various sizes. Bit sizes are based on diameter and can be metric or fractional. Drill bits were traditionally sized using a gauge system. Builders can use a drill gauge to size a fastener or determine which bit […]
An airspeed indicator measures an aircraft’s speed relative to the outside air, using air pressure measurements. It is part of the pitot static system and is important for safe flight, but does not show speed relative to the ground. An airspeed indicator is an instrument in the cockpit of an airplane or helicopter that tells […]
A profile gauge is a tool used to capture the shape of an object, allowing users to copy or recreate unique profiles. It consists of steel pins arranged on a single plane and can be used in various industries, such as construction, carpentry, and automotive. Different types of profiling tools allow users to capture different […]
An angle gauge is a tool used to determine the angle of a workpiece, allowing for replication of angles in production runs. It is useful in metalworking, manufacturing, and plumbing. Angle gauges typically use a bubble level and pointer needle on a grid, but there are also automated meters with numeric readouts and memory chips […]
Hydraulic pressure gauges measure pressure in fluid systems to ensure optimum performance and detect leaks or pressure changes. They use a Bourdon meter and are made for different pressure ranges and fluid types. They can be permanently installed or portable, with varying levels of quality and accuracy. Recalibration may be necessary after prolonged use. Many […]
Hydraulic pressure gauges measure pressure in fluid systems to ensure optimal performance, often using Bourdon meters. They must be designed to withstand operating pressure and fluid compatibility, and can be permanently installed or portable. Calibration is necessary after prolonged use. Many fluid and piping systems operate at a set pressure to ensure optimum performance. A […]
Tire pressure gauges come in various types, including inflators with measuring devices. The best type depends on budget and usage. Digital gauges are more accurate and expensive, while metal-tipped versions are available at service stations. Portable gauges are good for daily commuters, while complete inflation systems are preferred by truck drivers. Plastic gauges are the […]
A marking gauge is a woodworking tool used for precise measurements. It has a central arm with measurement points, a sliding head, and a marking pin. There are four types: traditional, mortise, cut, and panel. It is used by placing the head against the wood, sliding the arm to the desired measurement, and making a […]
A depth gauge measures the depth of a bore, hole, or cut and can be a precision tool or as simple as a piece of tape. It is critical in manufacturing processes, such as setting the depth of a pinion against a ring gear in an automobile drive axle. Digital measuring devices are becoming more […]
A tire gauge measures air pressure in tires, with recommended PSI levels stamped on the tire and included in a chart. Underinflated tires reduce fuel efficiency and increase tire failure, while over-inflated tires can cause blowouts and poor handling. Commercial tire gauges come in different forms, including a pen-like gauge with a plastic tube and […]
A bore gauge measures the inside dimension of a bore, cylinder, or tube. It can be used with a micrometer or master calibration rings for an exact reading. Dial and electronic indicators are available, with variable size bases or interchangeable extension pins. The gauge is inserted into the opening and moved until centered, with a […]
An inside gauge measures internal dimensions, sold in most locations and can be ordered directly. Used by machinists, it’s important to choose the right tool for the job and maintain it properly. An inside gauge is a measuring tool used to measure internal dimensions, such as the inside diameter of a pipe. These calipers are […]
Radius gauges are tools used to measure or check convex and concave radius profiles. They consist of steel inserts or blades with different cutouts or protrusions representing known radii. They are used in machining operations and to establish the exact radius of machined profiles on existing parts. Large range gauges use a flat, flexible strip […]
A vernier height gauge is a tool used for precise vertical measurements in metalworking and related industries. It uses a sliding vernier scale to augment a fixed scale for higher measurement resolution. It often has an engraving tool for marking identical measurements and can be adjusted for continued accuracy. Digital height gauges are an alternative […]
Feeler gauges measure the gap between two objects and are used in manufacturing and automotive industries. They come in English and metric sizes, and are purchased as sets or individually. Different types include flat, wire, and ramp gauges, made from materials like carbon steel, stainless steel, brass, or plastic. To measure the gap, a caliper […]
Angle gauges are used to measure the angle of an object relative to a larger object. Foresters use them to inventory trees, while carpenters use them to determine saw blade angles. In engineering, they are used to maintain an even torque load. Different types of angle gauges are used in each field. An angle gage […]
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