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Friday, April 17, 2020 | History

3 edition of NIST high-accuracy sampling wattmeter found in the catalog.

NIST high-accuracy sampling wattmeter

NIST high-accuracy sampling wattmeter

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Published by U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, For sale by the Supt. of Docs., U.S. G.P.O. in Gaithersburg, MD, Washington, DC .
Written in English

    Subjects:
  • Wattmeter

  • Edition Notes

    Other titlesNIST high accuracy sampling wattmeter
    StatementGerard N. Stenbakken, Amos Dolev
    SeriesNIST technical note -- 1420
    ContributionsDolev, Amos, National Institute of Standards and Technology (U.S.)
    The Physical Object
    FormatMicroform
    Paginationv, 28 p.
    Number of Pages28
    ID Numbers
    Open LibraryOL15091967M


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NIST high-accuracy sampling wattmeter Download PDF EPUB FB2

High-Accuracy Sampling Wattmeter Gerard N. Stenbakken, Member, IEEE, and Amos Dolev Abstract-A high-accuracy sampling wattmeter was de-veoped at NIST (National Institute of Standards and Technol-ogy) to investigate the feasibility of using waveform sampling techniques for making very accurate power measurements at.

The new high-accuracy sampling wattmeter was built around a previous wideband instrument developed earlier at NIST. The new wattmeter uses bit converters and includes a two-stage current transformer in one of the modules. This wattmeter, as the previous wattmeter, operates with asynchronous sampling.

The high-accuracy is achieved by approximately synchronizing the interval over which samples. NIST High-Accuracy Sampling Wattmeter Abstract - A high-accuracy sampling wattmeter was developed at the National Institute of Standards and Technology (NIST) to investigate the feasibility of using waveform sampling.

Title: A Wideband Sampling Wattmeter Author: G. Stenbakken Subject: Electromagnetic Keywords: wattmeter,uncertainties Created Date: Z. calibration,power measurement,sampling voltmeter,sampling wattmeter,sign al analyzer,truncation error,wideband sampling wattmeter Created Date Z.

means it’s official. Federal government websites often end Before sharing sensitive information, make sure you’re on a federal government : Bryan C. Waltrip, Nile M. Oldham. NIST Handbook Field Sampling Procedures NIST high-accuracy sampling wattmeter book Fuel and Motor Oil Quality Testing: A Handbook for Use by Fuel and Oil Quality Regulatory Officials Editions: (Current Ed.) NIST Handbook Examination of Grain Moisture Meters Using Air-Oven Reference Method Transfer Standards PART 1: Laboratory Grain Sample Preparation and Testing.

To reference the Handbook please use a citation of the form: NIST/SEMATECH e-Handbook of Statistical Methods,date. (Links. The topic of nanoscale magnetic systems is broad and could easily provide enough material for an entire book on its own.

In this chapter, as in previous ones. The Current, Voltage, Power, and Power Factor accuracies to kHz of the Model far exceed any other sampling Volt-Ampere- Watt Meter, or for that matter, with respect to Current or Voltage, almost all conventional multimeters. Although reduced by a factor of two, excellent accuracy.

Thomas Traceable Long Stem Digital Thermometer, with 3/8" High LCD Display, 8" Stem, + or - 1 degree accuracy, to degree F, to degree C. "like the carrier does" - by Doug Brown. Works as promised. Wish the stem had a clip for the side of the pot, like the carrier does.

Thermco Digital Lab Thermometer, Long Probe, /F & COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Sampling Wattmeter A high-precision sampling wattmeter was COILStructed using two sampling digital voltmeters. The voltage ( V) scaled to v using a divider and the current (5 A) was also to V a hm shunt.

These low-level signals were then simultaneously sampled over a whole number of periods and the.Depot maintenance manual [microform]: wattmeter ME/U Headquarters, Dept. of the Army Washington, D.C Wikipedia Citation Please see Wikipedia's template documentation for further citation fields that may be required.

A high-accuracy sampling wattmeter was developed to investigate the feasibility of using waveform sampling techniques for making very accurate power measurements at frequencies from 50.

A high-accuracy sampling voltmeter, designed to span the frequency range of 10 Hz MHz, is described. The instrument operates autonomously, at a measurement update rate of at least one per.

Accurate thermophysical properties are available for several fluids. These data include the following: Please follow the steps below to select the data required. * Surface tension values are only available along the saturation curve.

The automated wattmeter calibration system operates at power levels of 1 to W for frequencies from 1 to 30 MHz and 1 to W from 30 to MHz. A cascaded coupler technique is used to extend power measurements to high levels which are traceable to a 10 mW standard thermistor mount. These NIST-traceable thermometers feature an enclosed temperature-buffered sensor.

The insulating bottle shields the sensor from rapid temperature changes when the refrigerator door is open. The bottle is filled with a nontoxic glycol solution recognized as safe by the FDA.

The development and testing of the e book version of the Handbook of Basic Atomic Spectroscopic Data was done on a NuvoMedia Rocket TM e book*, with 4 MB of memory and a screen size cm.

The files are designed to be used in the landscape configuration. Watt-: meter C 30 dB ^ Group I Wattmeter Sensor Load Fig. Block diagram of NIST high power cw wattmeter calibration system. The cascaded coupler arrangement is composed of nomi 20, 30, 40, and 50 dB directional couplers with sidearm power meters connected to digital voltmeters.

Five coupler/power meters are. Statistical Testing of Random Number Generators Juan Soto National Institute of Standards & Technology Bureau Drive, Stop Gaithersburg, MD [email protected] () Abstract: Random Number Generators 1 (RNGs) are an important building block for algorithms and protocols in cryptography.

They are paramount in the File Size: KB. Vol NIST Technical Note NIST high-accuracy sampling wattmeter. Oct 3, 10/ by Stenbakken, Gerard N.; Dolev, Amos.

texts Book digitized by Google and uploaded to the Internet Archive by user tpb. fav-valentin_kostadinov Mediatype collection Publicdate Sort_order members Subject favorites. [4] B. Waltrip, M. Parker, N. Oldham, and B. Bell, 'The NIST Sampling System for the Calibration of Phase Angle Generators from 1 Hz to kHz," Conference Proceedings, NCSLCited by: 4.

A watt meter standard, based on digital sampling, has been designed and evaluated for the audio frequency range.

The watt meter is based on two commercially available sampling DVMs. The power. TECHNICAL GUIDE TO INFORMATION SECURITY TESTING AND ASSESSMENT Reports on Computer Systems Technology The Information Technology Laboratory (ITL) at the National Institute of Standards and Technology (NIST) promotes the U.S.

economy and public welfare by providing technical leadership for the nation’sFile Size: KB. Errors may creep in when measuring active power under non-sinusoidal and off-nominal frequency conditions by a conventional regularly spaced sampling digital wattmeter (RSSDW) due to the existence of higher order voltage and current harmonics, and asynchrony between the signal fundamental frequency and the sampling by: 1.

Sampling Wattmeter The core of this set-up is formed by two sampling voltmeters that simultaneously sample the voltage and current signal. From these data a computer subsequently calculates the power. An overview of the set-up is schematically depicted in figure 1.

A total of fifteen statistical tests were developed, implemented and evaluated. The following describes each of the tests. Frequency (Monobits) Test Description: The focus of the test is the proportion of zeroes and ones for the entire sequence.

The purpose of this test is to determine whether that number of ones and zeros in a sequence are approximately the same as would be expected for a. Item type:Watt Meter. Professional RC Watt Meter is an excellent addition to your RC hobby, DC circuits, Solar system, Boat/RV Battery Backup systems.

This isn't just a watt meter-it's the All-In-One Meter. A power meter, a volt meter, an amp-hour meter, ammeter and energy meter. Everything all in one unit. This is the perfect troubleshooting tool.

NIST high accuracy reference reflectometer-spectrophotometer Item Preview NIST high accuracy reference reflectometer-spectrophotometer by Proctor, J.E.; Barnes, P.Y. Publication date Topics specular, bidirectional, diffuse, hemispherical, scatter, spectrophotometer.

Two seach options based on vibrational and electronic energies are available: Vibrational Energy. Electronic Energy Level. Note: These search options only search the tabulated vibrational and electronic energy level data; they do not search the gas phase IR data available from this site.

tsetal. shownaretherepumperDBRlaseraswellasvarious beam-steering,shapingandpolarizingoptics. SAMPLING AND TESTING PROCEDURES SUMMARY. The step numbers in this summary are the same as the step numbers in the complete text of the Sampling and Testing Instructions. Determine which sampling plan to use, Category A, B, or C.

A summary of the three sampling plans and general information entry is explained on page Size: 9MB. A Statistical Test Suite for Random and Pseudorandom Number Generators for Cryptographic Applications.

Documentation Topics. Date Published: April Supersedes: SP Rev. 1 (08/01/) Lawrence Bassham (NIST), Andrew Rukhin (NIST), Juan Soto (NIST), James Nechvatal (NIST), Miles Smid (NIST), Elaine Barker (NIST), Stefan Leigh (NIST Cited by: are validated by NIST personnel, and monthly calibration reports are mailed to each subscriber.

Service Costs The NIST Frequency Measurement and Analysis Service costs less than most alternative methods of obtaining high-accuracy, traceable calibrations. Costs are based on the development and operating expenses incurred by NIST. The aim of this work is to confirm the metrological features of the developed sampling wattmeters by means of a comparison with the Italian power primary standard available at INRIM, thus showing that a high accuracy can be reached also with such DAQs-based solutions.

In the paper the set up and the accuracy evaluation of the proposed Cited by: 6. The REED Watt Meter is a digital multimeter and watt meter in a single compact unit. It measures AC and DC volts, current and watts. It measures true power up to watts. The front panel is easily accessible with clearly labeled sockets for power and load/5(2).

NIST SP Download Documentation and Software. Ap NIST SP rev1a (dated April ), A Statistical Test Suite for the Validation of Random Number Generators and Pseudo Random Number Generators for Cryptographic Applications, that describes the test suite.

Download the NIST Statistical Test Suite. July 9, This update has a few minor corrections to the source code. Block diagram of NIST high power cw wattmeter calibration system.

Since the source delivers a minimum of 1 W and the initial two calibration stages are made at 10 and mW, an in-line attenuator is inserted between the source and the 10 dB coupler to reduce the power to the required levels.

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Options include datalogging and RS interface.The VSL calibration of the wattmeter in the TLM system is performed using a high-accuracy sampling wattmeter [11]. In the past two decades many NMIs have developed similar sampling systems for.Buy Extech NIST Digital Sound Meter with NIST Calibration Certificate and more from our comprehensive selection of Extech Digital Sound Level Meters COVID Update: To support you, Cole-Parmer is open for business and shipping product : Extech.