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Topic: Gauge pressure

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	Pressure Gauge Products From Ashcroft Set the Standard
		Pressure gauge from Dresser Instruments have set the standard for accuracy, quality, and dependability in pressure measurement for over 150 years.
		Ashcroft pressure gauge products can be ordered with pressure ranges from inches of water to 100,000 psi; dial sizes from 23 mm to 12 inches; accuracy from 3 % full-scale to.05% full-scale and numerous bourdon tube materials are available for virtually every application.
		Often, Ashcroft gauges are identified by the industry that they serve, such as, industrial pressure gauge, test gauges, process gauges, high-purity gauges, and commercial gauges.
	ashcroft.com /pressure_gauge.html (360 words)

	Pressure - Wikipedia, the free encyclopedia
		Pressure (symbol: p) is the force per unit area acting on a surface in a direction perpendicular to that surface.
		Pressure is still sometimes expressed in kgf/cm² or grams-force/cm² (sometimes as kg/cm² and g/cm² without properly identifying the force units).
		Because pressure is commonly measured by its ability to displace a column of liquid in a manometer, pressures are often expressed as a depth of a particular fluid (e.g.
	en.wikipedia.org /wiki/Pressure (1569 words)

	Pressure gauge - Wikipedia, the free encyclopedia
		In 1849 the Bourdon tube pressure gauge was patented in France by Eugene Bourdon.
		A pressure or vacuum gauge usually consists of a closed coiled tube connected to the chamber or pipe in which pressure is to be sensed.
		In gauges intended to sense small pressures or pressure differences, or require that an absolute pressure be measured, the gear train and needle may be driven by an enclosed and sealed bellows chamber, called an aneroid, which means "without liquid".
	en.wikipedia.org /wiki/Pressure_gauge (808 words)

	Process Pressure Measurement
		When using SI units, it is proper to add "gauge" to the units used, such as "Pa gauge." When pressure is to be measured in absolute units, the reference is full vacuum and the abbreviation for "pounds per square inch absolute" is psia.
		A pressure transmitter is a standardized pressure measurement package consisting of three basic components: a pressure transducer, its power supply, and a signal conditioner/retransmitter that converts the transducer signal into a standardized output.
		As pressure changed, the flexible element moved, and this motion was used to rotate a pointer in front of a dial.
	www.omega.com /literature/transactions/volume3/pressure.html (2149 words)

	Pressure
		Since static fluid pressure is determined by the fluid density and depth, the depth or height difference of a given liquid is commonly used for pressure measurement:
		This is indicative of the normal pressure drop in a flowing fluid from Poiseuille's law since the diameters of the top tube are the same at the left and right tubes.
		Since the static fluid pressure is dependent only upon density and depth, choosing a liquid of standard density like mercury or water allows you to express the pressure in units of height or depth, e.g., mmHg or inches of water.
	hyperphysics.phy-astr.gsu.edu /hbase/pman.html#atm (538 words)

	Pressure Gauge Selection (Site not responding. Last check: 2007-10-04)
		When selecting a pressure gauge consideration should be given to a number of parameters which have an effect on gauge accuracy, safety, and utility.
		Case pressure buildup may be slow, but it is possible that a large hole may suddenly develop, with a high rate of case pressure rise, which could result in a failure similar to an explosive failure.
		Consequences of such loss of accuracy may be a pressure gauge which stops responding to pressure changes or is slow or sporadic in response to pressure changes in the measured media.
	www.mcdanielcontrols.com /gaugeselection.htm (1591 words)

	Eaton Aerospace - Rediscovering the Strain Gauge Pressure Sensor
		In another option, the strain gauges are bonded to a beam, and pressure is transmitted by a diaphragm or bellows that pushes on the beam.
		Pressure deflects the sensing element, causing tensile strain on two opposing sides of the bridge and compression strain on the other opposing sides, providing a differential voltage signal that can be supplied to a variety of devices.
		Pressure measurement is derived from the difference between the compression and tension voltages in the bridge and their floating relative to ground.
	www.aerospace.eaton.com /products/sensors_subsystems/rediscovering_strain_gauge.html (1786 words)

	The OD Pressure Gauge (Site not responding. Last check: 2007-10-04)
		After attaching the gauge and jacking up the rear wheels (or taking the brute for a ride with the transmission tunnel removed and a partner to watch the road), you can watch the pressure behavior as the pump delivers oil to the accumulator.
		At this point, the pressure should remain essentially constant even thought the transmission output shaft speed continues to increase or until something is done to drain off the accumulated oil (like the operating valve being moved by the solenoid).
		The pressure relief level of the accumulator is determined by that humongous spring behind the solenoid mounting plate on the side of the OD housing.
	www.serve.com /AHCA/technical/odpgaug.html (805 words)

	Oil Pressure Gauge
		To mount the 1994 oil pressure gauge in the 1999 instrument cluster, I had to remove the three hexagonal mounting lugs on the back of the 1994 gauge to gain the necessary clearance to seat the gauge in the cluster.
		Since the electrical contacts on the 1994 gauge are almost exactly opposite that of the 1999 printed circuit board, I had to physically attach 3 small wires to the back of the gauge and attach them individually to the circuit board.
		Final mounting of the oil pressure gauge had to be done via clear RTV sealant because there was no practical method of mechanically attaching the gauge to the 1999 instrument cluster.
	www.miata.net /garage/opg.html (1554 words)

	Flow Measurement News (Site not responding. Last check: 2007-10-04)
		Gauge pressure is referenced against the atmospheric pressure at the measurement point.
		The units of gauge pressure are followed by a "g", such as psig.
		To ensure accuracy, the gauge pressure must be accompanied by the atmospheric pressure at the time of the reading.
	www.mccrometer.com /newsletters/0104.htm (449 words)

	Pressure transducer, pressure sensor for absolute, gauge pressure measurement (Site not responding. Last check: 2007-10-04)
		The pressure transducer (pressure sensor) Cerabar T is the right answer to all pressure measurement tasks requiring a compact pressure sensor with a fixed measuring range.
		For the measurement of absolute and gauge pressure, the T program provides the rugged ceramic sensor with a measuring range up to 40 bar or the metal sensor up to 400 bar.
		The pressure transducer (pressure sensor) PMC 131 with ceramic sensor is uncompromising in terms of safety and accuracy.
	www.endress.com /edirect/CerabarT_PMx131_en.htm (358 words)

	Pressure Gauge Installation, Operation & Maintenance
		This type of pressure gauge is used in medium to high-pressure measurements with accuracies of 0.1 to 3% of full span.
		This type of differential gauge is used when the indicating scale is 2/3 of the process static pressure due to the limitations of the Bourdon tubes.
		The gauge pointer is located at the end of the rotary magnet shaft and rotates with the magnet to provide gauge readings proportional to the differential pressures.
	www.winters.ca /Eng/man_select.htm (1969 words)

	Preserving Food (Site not responding. Last check: 2007-10-04)
		Pressure canners for use in the home were extensively redesigned beginning in the 1970's.
		Today’s pressure canner may have a dial gauge for indicating the pressure or a weighted gauge, for indicating and regulating the pressure.
		Pressure canners come deep enough for one layer of quart or smaller size jars, or deep enough for two layers of pint or smaller size jars.
	www.fcs.uga.edu /pubs/current/FDNS-E-37-3.html (1241 words)

	Howstuffworks "How does a blood pressure gauge (sphygmomanometer) work? What exactly is blood pressure?"
		A blood pressure gauge is simply a way to measure the performance of the pump and the pipes.
		As the pressure in the cuff is released, blood starts flowing again and the doctor can hear the flow in the stethoscope.
		High blood pressure can cause the heart to fail (from working too hard), or it can cause kidney failure (from too much pressure).
	www.howstuffworks.com /question146.htm (338 words)

	pressure gauge, transducers and other pressure measuring devices
		By defination a pressure or vacuum gauge usually consists of a closed coiled tube (called a Bourdon tube) connected to the chamber or pipe in which pressure is to be sensed.
		This type of pressure transducers use elastic primary sensing elements such as the Bourdon tube, bellows and diaphragm.
		The Bourdon tube is the most frequently used pressure gauge because of its simplicity and rugged construction.
	thermometer-thermocouple.info /pressure-gauge.htm (423 words)

	Miata Oil Pressure Gauge upgrade
		When I learned that the oil pressure gauge in my '99 Miata was just an "idiot light" masquerading as a gauge, I decided to do something about it.
		In olden days, almost all cars with pressure lubrication systems (yes, there were some that didn’t have them) had gauges to give the driver an indication of the engine’s oil pressure.
		The electrical gauges consisted of transducers whose electrical resistance varied with the oil pressure and instruments – much like fuel gauges – that responded to the variations in resistance.
	www.miata.net /garage/opg2.html (1885 words)

	Pressure gauge manufacturers of fuel, digital, oil, and water pressure gauges, and vacuum gauges.
		Pressure gauge manufacturers of fuel, digital, oil, and water pressure gauges, and vacuum gauges.
		Clark Brothers Instrument’s pressure gauges are used in military, industrial, mechanical, vehicle and electrical applications.
		Digital pressure gauges, vacuum pressure gauges and compound pressure gauges are available through us, and are of the highest quality.
	www.pressure-gauges.com (256 words)

	Gauge Pressure (Site not responding. Last check: 2007-10-04)
		The code stores a gauge pressure which is the absolute pressure minus gauge pressure.
		For most applications, the gauge pressure should be set to zero, allowing the code to perform all calculations using absolute pressure.
		So once the problem has started, if the gauge pressure is changed there will be an inconsistency introduced into the problem setup, causing an error in the pressure value.
	www.aerosft.com /Gasp/Manual/reference/x871.html (144 words)

	Ashcroft --Duragauge Process Gauge - Pressure Gauge Type 1279, 1377, 1379
		Gauges are readily available with chemical seals and capillaries of any length.
		The weatherproof gauge is easily field converted to a hermetically sealed or liquid-filled gauge with a special kit.
		This solid-front gauge is designed for greater readability by using a large 6" dial and a durable 4.5" system.
	www.flw.com /olash1.htm (962 words)

	Gauge Pressure of Space (Site not responding. Last check: 2007-10-04)
		The pressure outside the space craft would still be essentially zero because the escaping air would quickly expand into an ever increasing volume.
		As you know, VACUUM is the pressure UNDER the atmospheric pressure.
		A perfect vacuum is described by your pressure gauge as 76 cm or 30 inches of mercury.
	www.newton.dep.anl.gov /askasci/eng99/eng99149.htm (323 words)

	Application Notes Results
		Pressure gauges are used for a variety of industrial and application-specific pressure monitoring applications.
		Pressure switches are actuated by a change in the pressure of a liquid or gas.
		...There are also silicon based sensors, wherein the strain gauge is etched onto a silicon substrate and a transmission fluid is used to transmit the pressure from the diaphragm to the..
	www.designinfo.com /Search?query=%22gauge%20pressure%22&show=appnotes&clickSrc=ANID (440 words)

	a j type overdrive oil pressure gauge
		Gauge: 304 stainless steel case, polycarbonate window, fl finished galvalume pointer, galvalume dial (white background with blue and fl markings), brass movement, phosphor bronze bourdon tube.
		The J Type gauge set connects to the overdrive case at the test port.
		The oil pressure gauge is the key tool for Laycock de Normanville Overdrive problem diagnosis and repair.
	www.geocities.com /jholekamp (365 words)

	Pressure Gauge,CNG Pressure Gauge,Pressure Gauge Exporter,Pressure Gauge ...
		Works, an ISO 9001:2000 certified company, was established in the year 1987 as a manufacturer and exporter of engineering products.
		The staff and efficient engineers at our unit strive together to provide superior gauges with an emphasis on providing value to your needs and money.
		All the gauges are checked from the initial stage to the finished stage, including the packaging so that no flawless products are delivered.
	www.arescoengg.trade-india.com (302 words)

	Pressure gauge - Compression Tester, Fuel Pressure Gauge, Leak Down and Vacuum (Site not responding. Last check: 2007-10-04)
		Special manufacturer of all types of pressure gauge and gas and gas and liquid regulator.
		The cylinder test pressure gauge allows you to quickly check the pressure on many cylinders.
		In 1849 - the Bourdon tube pressure gauge was patented in France by Eugene Bourdon.
	collectionpage.com /?q=pressure-gauge (218 words)

	Tire Air Pressure Gauge
		This gauge is manufactured by G.H Meiser and Company who are recognized world-wide for their attention to quality and detail.
		The gauge has large numerals for those of us that have noticed watch faces and newspaper print shrinking.
		The pushbutton valve bleeds air to desired tire pressure and the dial is also surrounded by a protective rubber guard in case the unit is dropped.
	www.carvaluesplus.com /tire_air_pressure_dial_gauge.htm (368 words)

	Gauge Pressure
		Gauge pressure is defined as the pressure measured with local atmospheric pressure as its reference point.
		That is Pressure gauge equals Pressure absolute minus Atmospheric pressure.
		Gauge pressure measurement is commonly used in Industry, if the data-sheet does not define "psia/MPa
	www.iceweb.com.au /Pressure/gaugepress.html (139 words)

	Vacuum Gauge Controller - IGC100
		For instance, they might be used to monitor the pressure of a capacitance manometer, measure pump speed, record temperature from a turbo pump controller, or monitor a mass flow controller.
		They can be set by gauge pressure, status conditions (gauge on/off, filament on/off, etc.), the system clock, the analog I/O ports, or TTL input signals.
		If a UHV Pirani gauge is used in the same high-vacuum chamber as the ion gauge, you can make uninterrupted pressure measurements from atmosphere to UHV.
	www.thinksrs.com /products/IGC100.htm (1264 words)

	Pressure Sensor \| Pressure Sensors from Honeywell Sensotec
		All of these pressure sensors are manufactured as standard, modified standard, and custom transducers to provide fast delivery.
		For high-frequency pressure measurements or in applications with severe space limitations, Honeywell Sensotec offers subminiature flush diaphragm pressure sensors in ranges from 0—100 psi to 0—20,000 psi (0—10 to 0—1,400 bar).
		And we've succeeded: Many of our barometric pressure sensors have been under test for over 8 years and have never moved more than 0.05% F.S. from the day that they were built.
	www.sensotec.com /pressure.asp (543 words)

	Pressure Gauge on Alibaba.com - Find Pressure Gauge manufacturers, suppliers, exporters, wholesalers, traders, ...
		Pressure Gauge on Alibaba.com - Find Pressure Gauge manufacturers, suppliers, exporters, wholesalers, traders, distributors, importers and more.
		We are a manufacturer of pressure gauges both digital and dial liquid-filled pressure gauges, liquid filled...
		Alibaba.com connects you directly to pre-qualified Pressure Gauge manufacturers and exporters from China and around the world.
	hotproducts.alibaba.com /manufacturers-exporters/Pressure_Gauge.html (437 words)

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