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Topic: Meter electronics

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	Voltmeter - Wikipedia, the free encyclopedia
		The deflection of the beam is either caused by the magnetic field of a coil mounted outside the tube or by the electrostatic defliction caused by the voltage on plates inside the tube.
		Digital voltmeters usually employ an electronic circuit that acts as an integrator, linearly ramping output voltage when input voltage is contant (this can be easily realized with an opamp).
		The dual-slope integrator method applies a known reference voltage to the integrator for a fixed time to ramp the integrator's output voltage up, then the unknown voltage is applied to ramp it back down, and the time to ramp output voltage down to zero is recorded (realized in an ADC implementation).
	en.wikipedia.org /wiki/Voltmeter (868 words)

	Meter (electronics) - Wikipedia, the free encyclopedia
		In electronics, there are many types of meters used for different functions.
		These include electronic components that are part of larger devices, and free-standing test instruments.
		Clamp meter for the AC current-measuring test instrument of that name.
	en.wikipedia.org /wiki/Meter_(electronics) (128 words)

	Turbine Meter Electronics by Flow Technology, Inc. (Site not responding. Last check: 2007-11-01)
		The turbine flow meter was originally developed in the early 1960s as a solution to critical flow measurement applications in the aerospace industry.
		All turbine meters, including those with axially-mounted rotors, tangentially mounted "paddle-wheel" rotors, and insertion-type probes, incorporate a freely suspended rotor that is rotated by the flow of fluid (liquid or gas) through the meter body.
		In many applications, the meter's frequency output is processed by electronics, ranging from basic amplifiers, indicators and totalizers, to more complex flow computers which compensate for all measurable parameters and provide optimum volumetric or mass flow measurement accuracy.
	www.ftimeters.com /pages/newsart2.html (1603 words)

	Ohmmeter - Wikipedia, the free encyclopedia
		A more accurate type of ohmmeter has an electronic circuit that passes a constant current I through the resistance, and another circuit that measures the voltage V across the resistance.
		This is because the meter's reading is the sum of the resistance of the measuring leads, the contact resistances and the resistance being measured.
		With this type of meter, any voltage drop due to the resistance of the first pair of leads and their contact resistances is ignored by the meter.
	en.wikipedia.org /wiki/Ohmmeter (279 words)

	EI - Mass Flow Meter and Mass Flow Measurement Solutions - CentriFlow
		Meter Electronics, tubed to the electronics enclosure and casing of meter and then referenced from either the enclosure or casing of meter.
		Meter and its electronics are required to be in a Class I, Division 2 area.
		Meter and its electronics, by performing four air exchanges and then applying a positive pressure to maintain a “safe” pressure of 0.25 inches of water.
	easterninstruments.com /products/centriflow.html (1428 words)

	Electronic Flowmeters
		Metering accuracy is highly dependent on the relationship between the measured velocity and the average velocity in the pipe.
		One preventive step is to size the meter such that, under normal flow conditions, the flowing velocity will be relatively high: at least 6-12 ft/sec, or as high as practical considering the possibility of erosion and corrosion.
		The main advantages of vortex meters are their low sensitivity to variations in process conditions and low wear relative to orifices or turbine meters.
	www.tcomega.com /literature/transactions/volume4/T9904-09-ELEC.html (6775 words)

	Nice Instrumentation
		The first is to align the meter with the flow; the second is to prevent the meter from coming out under pressure.
		The electronics is a two wire device, 4 to 20 mA and can be remote mounted over three hundred feet from the meter.
		The internals of the meter body have no holes to clog or edges to collect dirt or bacteria and there are of course, no moving parts.
	www.niceinstrumentation.com /products.html (1185 words)

	RS SPL METER (Site not responding. Last check: 2007-11-01)
		The poor "roller coaster" response of the meter in the treble region (as seen in the instruction manual for the meter) is caused (this is in fact informed speculation, but speculation nonetheless) partly by the physical mounting of the internal mic and partly by the mic module itself.
		I just want everyone who is contemplating performing this mod on their meter (the frequency response correction mod, with or without the external mic mod) to be well aware of the behavior afterward.
		If you find that your meter is unstable after the high frequency mod (needle moves erratically, pegs or stays somewhere in the midrange even with no sound input), try adding small values of capacitance (2pF or so) across C12 until the meter stabilizes.
	www.geocities.com /yury_g/rs_spl_meter.htm (3387 words)

	EZ Meter - Product Descriptions (Site not responding. Last check: 2007-11-01)
		The EZ Meter Plus is the first low cost computer addressable meter suitable for large scale use.
		It is an enhanced version of the basic EZ Meter, packaged in the same case and using the same current transformers and mechanical counters.
		This meter accommodates electrical systems with transformers that produce 120 volts between two legs and neutral and 208-240 volts between the "wild" leg and neutral.
	www.ezmeter.com /html/ezplus.html (1120 words)

	New Page 1 (Site not responding. Last check: 2007-11-01)
		The meter is used to measure KWH by a 277 volt, three phase electrical system with a neutral.
		Gettysburg- Delta 3 phase 4 wire 120.120/208 Wild Leg or stringer Meter $215.00 Model 5111D Kit is used in three phase electrical systems where the transformer provides 208-240 Volt leg to leg, 110-120V Leg to neutral for two of the legs and 208-240 volts between the wild or straight leg and neutral.
		Special meters are available for California that meet the states security requirements.
	www.k-tech.com /Watthourmeters/Digi-Watt/Digi-Watt.htm (595 words)

	[No title]
		Use meter in an area of correct operating temperature 50º-104º F (10º-40º C).
		Meter is turned on when the end latch is open.
		Meter, control solution and/or test strip are not at room temperature when used.
	www.bayercarediabetes.com /prodserv/custService/index.asp (1908 words)

	Central Station Steam Company - Vortex Flow Meters
		Meter willl consist of a full-bore body, vortex shedding bar and remote or integral electronics.
		Meter measures flow using the Karman vortex shedding principle.
		Meter electronics shall be capable of direct MASS flow computation for saturated steam without external inputs.
	www.cadillacmeter.com /vortex/piezo_electric/genspecs.php (140 words)

	Meters
		Meter won't start to count down until the white target area is filled, but if the sample is still not sufficient, the FastTake meter will give a false low reading (20s-30s) or an Er message.
		If a meter is fussy about the angle that you have to hold it to get an accurate sample (such as the Dex), that may outweigh all the other advantages.
		If your meter reading appears to be way off from the vet's test equipment, despite passing all its Check and Control solution tests, a 3-way check by sending some of the venous blood to an outside lab can help to determine if it might be the veterinarian's lab equipment that is out of calibration.
	www.sugarcats.net /sites/harry/meters.html (2174 words)

	Eric Wallin's Internet Homepage
		Before I changed anything, I measured the frequency response of the electronics of the stock meter by removing the microphone element and driving the pads where it was connected with a function generator, coupled through a 10k resistor and a 100uF capacitor.
		The electronics of the stock digital RS SPL meter rolls off the bass (many poles) somewhere around 28Hz (-3dB), and rolls off the treble (two poles) at 12kHz (-3dB).
		For some reason, the designer of this meter decided to use the same cruddy mic element as used in the analog RS SPL meter, and this is responsible for a major treble roll off somewhere between 10 and 15 kHz.
	mysite.verizon.net /tammie_eric/audio/rsmeter/33-2055/33-2055.html (1080 words)

	Metering and Customer Communications Research (Site not responding. Last check: 2007-11-01)
		Through the course of SE-240 development, the power consumption for the meter electronics was reduced to ~0.5VA which left an excess of ~0.5VA for external usage.
		The SE-240 meter platform has a communications connector consisting of 8 pins, which are used to send information across the interface to the plug-in module.
		The connector in the meter is an AMP P/N 146140-3.
	www.epri.com /meterindustry/met_14vdc2.html (312 words)

	Use of a pH Meter (Site not responding. Last check: 2007-11-01)
		If the meter has not been used for some time, it should be soaked for several days in distilled water prior to use, with the power off of course.
		After soaking, remove the pH meter from the water, dry the probe tip with a Kimwipe, and cap the probe until you are ready to use the meter.
		Before using the meter to determine the pH of your analyte, it may be necessary to standardize it--that is, to immerse it in a buffer of known pH and adjust the meter to display the correct pH.
	www.wpi.edu /Academics/Depts/Chemistry/Courses/General/pHmeter.html (616 words)

	[No title] (Site not responding. Last check: 2007-11-01)
		The economical EZ meters are a low cost monitor of kilowatt hour consumption.
		The basic EZ Meter consists of a small electronics module, one, two or three current transformers that look like small donuts, and a counter display that looks like the odometer in a car.
		This kit contains meter electronics module, three 100 amp current transformers and one electro-mechanical display counter and communications to serve a 277 volts to neutral, 480 volts leg to leg, electrical service.
	www.metersusa.com /EZWatt/EZwatt.htm (691 words)

	Energy Outfitters - Brand Electronics Power Meter
		The key feature of this new meter is the ability to log power usage (the meter still has all of the basic functions of a Model 20-1850 as well).
		To use this feature, simply program the meter by using the PC, then connect the meter to the load to be measured (the meter does not need to be connected to the PC during operation).
		Simply plug the Digital Power Meter into any 120 VAC convenience outlet (230 and 240 VAC versions are available) and plug the device to be tested into the handy outlet located on the back.
	www.energyoutfitters.com /products/p_m_electronics/brand_power_meter.shtm (344 words)

	Complete KWH Counters (Site not responding. Last check: 2007-11-01)
		Each meter includes all components needed for a fast installation.
		Model 5111D Electrical systems provides 208-240 Volt leg to leg, 110-120V Leg to neutral for two of the legs and 208-240 volts between the wild or straight leg and neutral.
		It's a standard 3 phase meter except the third phase has been modified to accept a voltage in the 200-250V range.
	www.metersusa.com /Digi-Watt/Digi-Watt.htm (253 words)

	RC Electronics Watts Up Meter
		Since the "Watt's Up" watt meter can use an external receiver battery, it can measure a voltage range from 0-60v with a 0.01 volt resolution and a current range from 0-100amps with a 0.01 amp resolution.
		The "Watt's Up" watt meter can be used to keep your power system in top condition by measuring critical parameters under load or battery pack capacity.
		The watt meter easily showed me that the battery I was using could not deliver the current needed for my motor.
	www.rcuniverse.com /magazine/article_display.cfm?article_id=468 (1827 words)

	Brighton Electronics Analog Panel Meters - analog panel meter
		Brighton analog panel meter lines are designed to meet or exceed ANSI C39.1-1981, and are available as UL recognized.
		Analog panel meters are ±2% accurate and are available in Taut Band, Pivot and Jewel, and Iron Vane type mechanisms.
		Meter Movement of Pivot and Jewel, Taut Band, and 250º Movements.
	www.brighton-electronics.com /analog_panel_meters.htm (203 words)

	Personal digital assistant - Wikipedia, the free encyclopedia
		They are linked to a GPS to produce a moving map display showing the track to the turn-points, airspace hazards and other tactical information.
		The term "personal digital assistant" was coined on January 7, 1992 by then Apple Computer CEO John Sculley at the Consumer Electronics Show in Las Vegas, Nevada, referring to the Apple Newton.
		PDAs are some times referred to as "Palms" or "Palm Pilot" after an early PDA created by Palm, Inc. This usage is a case of genericized trademark.
	en.wikipedia.org /wiki/Personal_digital_assistant (2385 words)

	Real Goods - Brand Electronics ONE Meter
		Here's the ultimate meter to answer all your questions, and a few you hadn't even thought of yet.
		The ONE Meter is computer-ready with a common RS-232 serial-port connection for downloading to a PC, and comes with a Windows-compatible BASIC terminal program for logging, compiling, and display.
		AC current sensors are simple snap-on types, DC current sensors are toroid hall effect types, cabling is standard 8-conductor CAT-5 LAN type with RJ-45 connectors, widely used for computer networking.
	www.realgoods.com /renew/shop/product.cfm/dp/1500/sd/1504/ts/2025766 (245 words)

	DU Meter Home Page
		DU Meter is an award winning utility from Hagel Technologies that provides an accurate account of the data which is flowing through your computer's network connection at any given moment.
		DU Meter can also come in very handy to monitor whether some dangerous unknown activity is occurring while you are online.
		DU Meter can monitor this activity for you 100% of the time and let you know if data is flowing behind your back.
	www.dumeter.com (723 words)

	Patrick Electronics - Patriot A.I.M. PRO Meter (Site not responding. Last check: 2007-11-01)
		The Target A.I.M. PRO Meter was the first and most feature-laden in the planed series.
		If you have put off buying my meter on the basis of what other people may have said about it or the price, I urge you to purchase now before it is too late.
		Patrick Electronics makes reference to Minelab Electronics™ and the Sovereign™ metal detector solely because we manufacture and distribute a product designed to work with their products.
	www.patrickelectronics.com (886 words)

	Learning Electronics (Site not responding. Last check: 2007-11-01)
		In 2005 I returned to the electronics side of the hobby and do-it-yourself projects, but learned that Heathkit test equipment I used in the late 1950’s to build a scope, VTVM, signal generators and other items for amateur radio use, were a thing of the past.
		Then I asked several friends in the electronics field about scopes and was told that the Tektronix 2200 series were fine scopes despite that fact that they were made in the late 1970s and 1980s.
		The cost of specialized electronics books is in the $50-$60 dollar range which sometimes equals the cost of many used, high quality pieces of test equipment.
	www.qrp.pops.net /four_foot.htm (3118 words)

	Meter - OneLook Dictionary Search
		Meter, meter : UltraLingua English Dictionary [home, info]
		Phrases that include Meter: parking meter, meter maid, vu meter, flow meter, common meter, more...
		Words similar to Meter: beat, cadence, m, measure, metered, metering, metre, time, more...
	www.onelook.com /?w=Meter&ls=a (393 words)

	OKW Electronics - Hand-Held RF Meter 433.92 MHz (Site not responding. Last check: 2007-11-01)
		This hand-held RF Meter can be used to show the presence of a radio signal operating at 315MHz or 433.92 MHz.
		The RF Meter is an invaluable tool for engineers who are installing radio systems and can be used to determine if other RF signals (interference) are present, and also validate the signal strength of the radio transmitter being installed.
		Briefly press the power switch and the LED bargraph shows the RF activity within the local environment.
	www.okwelectronics.com /products/radio/rfmeter.html (105 words)

	Guitar Shop and Music Store Guitar Encyclopedia Guitar Chords Guitar Lessons Guitar Practicing Beginning Guitar Tips ...
		There are several subcategories within the acoustic guitar group: classical and flamenco guitars, both of which use nylon and composite strings, and steel string guitars, which includes the flat top, or "folk" guitar, the closely related twelve string guitar, and the arch top guitar.
		Electromagnetic pickups convert the vibration of the steel strings into electric signals which are fed to an amplifier through a cable or radio device.
		The sound is frequently modified by other electronic devices or natural distortion of valves in the amplifier.
	www.guitarlessons.bizhosting.com (1442 words)

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