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Standards and Technical Documents - Generalisation of smooth continuous stress-strain curves for metallic materials. -- 76016Supplier: IHS ESDU
Description: a convenient method for accounting for the behaviour of a material beyond its elastic range, for example in buckling calculations. The method allows simple calculation of tangent and secant modulus and Poisson's ratio but calculation of stress at a given strain or at a ratio of stress to tangentShow More
Supplier: OMEGA Engineering, Inc.
Description: . Dual input and advanced control capability, including percent rejection, difference and ratio calculations, together with the CDCE-91 series conductivity sensors listed below, form the perfect measurement and control system for water treatment applications and more. Two versions are available: one
- Measures Conductivity / Dissolved Solids: Yes
- Conductivity / Dissolved Solids Range: 0.0550 to 400000 µS/cm
- Conductivity Accuracy: 2 ±% Full Scale
- Measures Resistivity: Yes
Standards and Technical Documents - C37.010-1999 - IEEE Application Guide for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis -- 10.1109/IEEESTD.2000.91939
Description: , reduced dielectrics, reclosing derating as applicable, calculation of system short-circuit current, compensation at different X/R ratios, detailed calculations with application curves, out-of-phase switching, and general application.Show More
Supplier: ASTM International
Description: of the test interval has an influence on the effect that short rods have on the energy ratio calculated by the force-velocity method. Additionally, for this study the calculation of the energy ratio by the procedures outlined in ASTM D4633, which is currently withdrawn, is significantly greater thanShow More
Standards and Technical Documents - Metal halide lamps - Performance specification -- IEC 61167:2011
Description: description of methods of calculation for peak current ratio. At the same time, a review was made on lamps in the market which are fit for standardising, leading to a big number of new lamp data sheets in the range of 20 W up to 250 W lamp power.Show More
Description: in their jobs. Learning Objectives: - Convert numbers and units using exponential notation, expanded form, and scientific notation. - Use rounding, estimating, ratios, proportions, percents, and averages in calculations. - Calculate perimeter, circumference, areas, and volumes of various shapes and solidsShow More
Data Input Modules - IntelliPack® 800T Series Intelligent Transmitter, Strain Gage / Load Cell Input -- 851T-1500Supplier: Acromag, Inc.
Description: with basic load cells, millivolt inputs, or seven bridge sensor formats. Internal bridge completion resistors are supplied for half and quarter bridges. The software also downloads sensor parameters such as gauge factor and Poisson's ratio into the transmitter for internal calculation of complex equations
- Differential Channels: Yes
- Resolution: 16 bits
- Interface: RS232/422/485
- Form Factor: DIN Rail
Oxidation Reduction Potential (ORP) Instruments - Single and Dual Input Conductivity Analyzer -- Model AX455Supplier: ABB Measurement & Analytics
Description: , ratio, % passage, % rejection and inferred pH calculations Expanded monitoring and control - add-on option board provides a total of five alarm relays and four current outputs - service logbook providing historical data Energy saving - high visibility, backlit display with auto switch-off
- ORP / Redox Range: -1.2 to 1.2 volts
- ORP Reference Electrode Input: Yes
- Measures pH: Yes
- pH Range: -2 to 16 pH
Supplier: RS Components, Ltd.
Description: calculation of DAR, PI and DD (dielectric discharge) ratios and plotting of the R(t) curve. Numerous functions: programmable duration tests, test voltage locking, SMOOTH function, programmable alarms, etc. Supplied with clip-on accessory bag, test leads and instruction manual Tester Type = Insulation
- Display: Digital Meter
- DC Voltage: 500 to 5000 volts
- DC Current: 0.0 to 3000 amps
- Resistance Range: 1.00E13 ohms
Standards and Technical Documents - Safety Rated Smart Transmitters - Failure Modes and Diagnostic Analysis - INTERKAMA 1999
Description: . The design process for a SIS requires that a calculation be done for each safety instrumented function to verify that the target safety integrity level has been met. These calculations depend on several important variables includes failure rates, diagnostic coverage factors and the ratio of safe versusShow More
Technical Journals - Letters to the Editor - Calibrating Water Distribution System Models (PDF) -- JAW_0010285
Description: of a computer model by comparing flows predicted by the field test and computer simulation at some arbitrary residual pressure. This type of comparison considers changes in head loss and thus removes the influence of the elevation data from calculations. Simulation equations are presented and explainedShow More
Supplier: HydraCheck Inc.
Description: target every time. Its unique dual laser design highlights the outer edges of your target, eliminating any guesswork or calculations. With a 50:1 target ratio you can be confident from long distances. The emissivity on the unit is adjustable to fit any application. It also includes a type K socket so
- Scale: Fahrenheit, Celsius
- Fahrenheit Scale: -76 to 1832 F
- Fahrenheit Scale Divisions: 0.1000 +/-F
- Celsius Scale: -60 to 1000 C
Supplier: ValueTronics International, Inc.
Description: when performing tests. Fluke 1503 features: Insulation test range: 1503: 0.1 M? to 2000 M? Insulation test voltages: 1503: 500 V, 1000 V Save both time and money with Automatic calculation of Polarization Index and Dielectric Absorption Ratio (only available on the1507) Make repetitive testsShow More
Water Quality Photometers and Colorimeters - S1200 Spectrawave Visible Diode Array Spectrophotometer -- 5300-10Supplier: Terra Universal, Inc.
Description: needs of customers requiring a small, light instrument that is easy to use. The S1200 measures absorbance, % transmission, absorbance ratio and concentration. The large backlit graphical display enables wavelength scans, kinectic assays (including slope calculation) and standard curves to be viewed
- Instrument Type: Portable
- Local Interface: Digital Front Panel
- Computer Interface: Yes
- Interface Options: Serial Interface
Supplier: Mahr Federal Inc.
Description: , parameter lists (e.g., material ratio curve) Integrated memory for results and profiles Tolerance monitoring Printing of R-profile (ISO/ASME/JIS), P-profile (MOTIF), material ratio curve, measuring record Setting of unsymmetric intersection lines for peak count calculation Measuring units (&mu
- Technology: Contact / Stylus Based
- Measurement Capability: Roughness Parameters (Ra, RMS / Rq, Rz, etc.)
- Standards Compliance: ASME, ISO / EN, JIS
- Vertical (Z) Range: 0.0035 to 0.0138 inch
Finite Element Analysis Software - Software Tool for the Design, Synthesis, and Analysis of Rotman Lenses and Their Variants -- Rotman Lens Designer®Supplier: Remcom (USA)
Description: tangent, conductivity and thickness of dielectric material. Electrical characteristics of absorber material Physical characteristics of lens - Focal Length/Diameter Ratio Aperture distribution Port flare angles Outputs: Calculation of the lens contour and of the transmission line geometry ElementShow More
Description: brightness-to-luminance ratio (B/L)) with some weighting factors in their combinations that depend on the adaptation level. The use of the system and an example of calculation are also described. Results of testing the system with experimental brightness matching data are given in an appendixShow More
Supplier: Knight Optical (USA) LLC
Description: and is often used with a linear polariser to form an isolator, blocking light reflected from surfaces beyond. The half-wave plate changes the direction of linear polarisation; with a polarising beamsplitter cube or prism it forms a useful variable-ratio beamsplitter. Mica retarders, being zero-order, can
- Polarizer Type: Waveplate / Retardation Plate
- Wavelength Range: 830 nm
Description: This video teaches water operators mathemathical calculations used in water treatment and distribution. It is an ideal training tool for novice water treatment operators and an excellent reference on the job. Topics covered: Powers notation Scientific notation Dimensional analysis Rounding
- Type: Tutorial / Workshop
- Modality: eLearning (Video / CBT)
Supplier: ACE Controls Inc.
Description: Effective emergency stop: the ACE safety shock absorbers from the SCS33 to 64 Series are based on the innovative technology of the successful MAGNUM-Series shock absorbers. They are also maintenance-free and ready-to-install. ACE uses our proprietary custom calculation program to design each shock
- Shock Absorber / Damper Type: Shock Absorber
- Absorber Stroke: 0.9100 to 2.91 inch
- Energy per Cycle: 10621 to 30978 In-lbs
- Body Material: Steel
Supplier: AMETEK Land
Description: of temperature than either a single or dual ratio wavelength thermometer.The AST is highly effective in the measurement of temperature at both entry and exit of the Finishing Mill, the 'Breakdown Mill' (Reversing Rougher) and at the Downcoiler. The AST can be used to reduce re-annealing and finishing
- Temperature Range: 572 to 932 F
- Response Time: 30 to 500 milliseconds
- Operating Temperature: 40 to 110 F
- Device Category: Sensor / Transducer
Supplier: Dytran Instruments, Inc.
Description: for importing into Excel, has auto and smart triggering modes and digital filters to improve signal/noise ratio, performs real-time compression to Fast Fourier Transform (FFT) and has many other features, including: Apply post-processing analysis to record data from VibraScout™ sensor Test
- Acceleration: 200 g
- Frequency Range: 0.0 to 1100 Hz
- Number of Axes: Triaxial
- Device Type: Sensor / Transducer
Standards and Technical Documents - MEASUREMENT OF THE NONLINEAR COEFFICIENT OF SINGLE-MODE FIBERS -- TIA/EIA TSB 62-23
Description: The nonlinear coefficient (nLc) is the ratio of the Kerr nonlinear refractive index, n2, and the effective area, Aeff (see FOTP-132), as: The nonlinear coefficient is related to the following nonlinear optical distortion effects as a combined parameter: Self-phase modulation (SPM) Cross-phaseShow More
Supplier: Siemens Process Instrumentation
Description: of additives with two internal PID controllers. Operating in tandem with two or more solids flowmeters or weighfeeders, the SF500 may be used for ratio blending and controlling additives. Batching, load out, and alarm functions are also provided by the SF500. Dolphin Plus software may be used
- Totalizer: Yes
- Display Type: Digital
- Local Interface: Digital Front Panel
- Number of Inputs: 7 inputs
Supplier: ATLANTA Drive Systems, Inc.
Description: Atlanta standard bevel gears are made of heat-treatable steel Cf 53, material no. 1.1213, having a strength of 650- 800 N/mm². For heavy-duty application our bevel gears may be subsequently fame or induction hardened. The following calculations therefore always refer to hardened as well
- Gear Type: Miter / Bevel Gear Set
- Number of Teeth: 26
- Design Units: Metric
- Tooth Form: Straight Teeth
Standards and Technical Documents - Gas Measurement Manual - Part 3: Gas Orifice Meters -- AGA XQ9011Supplier: American Gas Association
Description: and, thus, calculating its area is a relatively simple matter. By experiment, the amount of contraction has been found to depend primarily upon the orifice to mete tube diameter ratio (beta ratio) and the properties of the fluid. With any one fluid, and the same differential pressure, the relative amountShow More
Standards and Technical Documents - Sodium and potassium silicates for industrial use -- Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide -- ISO 1689:1976
Description: The document specifies the formula for the calculation. In this ratio, only sodium oxide and potassium oxide combined in the form of silicates is considered. Replaces ISO Recommendation R 1689-1970.Show More
Supplier: Danfoss Commercial Comfort Controls
Description: No Description Provided
- Valve Size: 1 inch
- Pressure Rating: 230 psi
- Media Temperature: 5 to 250 F
- Connection: Threaded
Supplier: Solar Light Company, Inc.
Description: The Solar Light SnP-meter™ Model SL-3101 is a portable and innovative meter. It measures spectral response following the CIE scotopic and photopic action spectrum with on board calculations: S/P ratio Visually effective light level Perceived brightness This meter is used by lighting
- Meter Type: Lux Meter
- Sensor Diameter: 1.6 inch
- Illuminance Range: 150000 Lux
- Lux Resolution: 1 Lux
Supplier: Printronix, Inc.
Description: The L1000 analyzes the essential traditional verification parameters including average bar deviation, quiet zones, encodation check, mod check and ratio where applicable. It also provides the ANSI method Decodability calculation and percent of decode information. Designed for maximum ease of use
- Bar Code Scanner Type: Handheld "Gun" Type
- Light Source: Laser
- Resolution: 5 mils
- Decoder Method: Portable Reader w/ Scanner Interface
Supplier: Tradeport Electronics Group
Description: Insulation test range:0.01 MΩ to 10 GΩ Insulation test voltages:50 V, 100 V, 250 V, 500 V, 1000 V Save both time and money with Automatic calculation of Polarization Index and Dielectric Absorption Ratio Make repetitive tests simple and easy with the 1507’s Compare (Pass/FailShow More
Digital Panel Meters - Panel Meter, Dual Rate Totalizer, 0.56"Red Disp., 11-36VDC, 24VAC, 3.8"Wx1.95"H -- 70030320Supplier: Allied Electronics, Inc.
Description: The PAXDR is a 5-digit Dual Rate Indicator and 6-digit Dual Totalizer in a single meter. Two Rate and two Total displays are provided (A and B), along with two additional calculation displays (C) to show the Sum, Difference, Ratio, % of Total or Draw between A and B displays.The meter's LED
- Display Type: Numeric Display
- Display Technology: LED
- Number of Digits: 6
- Digit or Character Size: 0.37" to 0.56" (9.4mm to 14.2mm)
Supplier: Altera Corporation
Description: architecture to maximize signal dynamic range in the transform calculation. The FFT MegaCore function accepts, as input, a complex data vector of length N (in two’s complement format) and outputs the transform-domain complex vector in natural order. An accumulated block exponent is output
- Device Type / Applications: Other
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Calculation of wing-fuselage-nacelle combinations
aspect ratio, or on short pylons on the rear fuselage of wing-fuselage combinations. (read more)
Browse Modeling and Simulation Software Datasheets for IHS ESDU
Stress-strain curves for metallic materials
a convenient method for accounting for the behaviour of a material beyond its elastic range, for example in buckling calculations. The method allows simple calculation of tangent and secant modulus and Poisson's ratio but calculation of stress at a given strain or at a ratio of stress to tangent modulus is less easy. For that case approximate equations are given or an exact solution may be obtained using the Fortran program provided. Tables list the two constants that define the compressive... (read more)
Browse Standards and Technical Documents Datasheets for IHS ESDU
ESDU 74029 - Fluid Mechanics in Straight Pipes
ESDU 74029 gives methods of applying the friction factor data of ESDU 66027 to the case of isothermal or adiabatic flow of a gas. The procedure to be followed is indicated in each case by a calculation flowchart, and data are provided in graphical form for gas specific heat capacity ratios from 1 to 1.67 to assist in the calculations. A program of the method is provided (ESDUpac A7429). (read more)
Browse Standards and Technical Documents Datasheets for IHS ESDU
Humidity Calculator Online/Offline Conversions
Humidity calculations and conversions made easy - online, offline and on the go. Page Content. The free Vaisala Humidity Calculator allows you to calculate several humidity parameters from one known value. Make unit conversions on the fly, and see the effects of changing ambient conditions, like temperature and pressure. Humidity Calculator makes complex manual calculations and conversions a thing of the past. The tool includes calculation and conversion for: * relative humidity. * dew point... (read more)
Browse Hygrometers and Humidity Measurement Instruments Datasheets for Vaisala
TL23 Series Benchtop Turbidimeters
that the instruments utilise data from all of the detectors by using a mathematical calculation to ratio signals from each detector. The ratio technology overcomes the two most common interferences in turbidity measurement: Colour (conventional turbidimeters cannot separate colour from turbidity measurement) and large particles (light absorbing large particles have a negative effect on conventional turbidity measurement, but this effect is neutralised when using the ratio technology). (read more)
Browse Turbidity Instruments Datasheets for Hach
Generate Precise Standards -MultiPoint Calibration
Institute of Standards and Technology (NIST). Each flow controller utilizes an 11 point calibration table with linear interpolation, to increase accuracy and reduce flow controller nonlinearity. PRODUCT FEATURES AND BENEFITS. Broad range of dilution ratios (up to 1,000:1) allows the user to significantly reduce the number of cylinders needed to perform compliance tests. Allows multi-point calibration of analyzers. Automatic calculation of dilution and span gas flows. Internally-stored Mass Flow... (read more)
Browse Gas Cabinets and Distribution Systems Datasheets for Environics, Inc.
Buck Research Instruments, LLC
Humidity Calculator for iPhone
Buck Humidity Calculator for iPhone. The brainchild of Buck Research Instruments, Buck Humidity Calculator is a simple tool that allows you to do humidity calculations and conversions of dew point, mixing ratio, vapor pressure, relative and absolute humidity. Click here to get the app from the iTunes store!. CONVERTS: Dew / Frost Point ( C or F). Dew / Frost Point (supercooled below 0 C or 32 F). g/kg (air). g/m ^3 Absolute Humidity. lbs/MMSCF. PPMv. PPMw (air). % Moisture. %RH Relative... (read more)
Browse Calibration Instruments Datasheets for Buck Research Instruments, LLC
Disc springs can be statically loaded either continuously or intermittently, or dynamically subjected to continuous load cycling. They can be used singularly or in multiples stacked parallel, in series or in a combination thereof. The advantages of Disc Springs compared to other types of springs include the following: A wide range of load/deflection characteristics. High load capacity with small deflection. Space savings - high load to size ratio. Consistent performance under design loads... (read more)
Browse Spring Washers Datasheets for SPIROL
Engineering Consulting Services
SKF Engineering Consultancy Services. Optimize the performance of your design with SKF knowledge. The development of a new gearbox with higher power density, the improvement of an existing gas turbine to meet the market's increasing demands or the design of a completely new generation of wind turbines with higher kW-cost ratio. The scope of development projects is very wide. Rapid globalization makes technical development even more important; only with innovative solutions and increased quality... (read more)
Browse Engineering Consulting Services Datasheets for SKF/North America
Power Transmission High Performance Belts...
engagement with pulley sprocket grooves to prevent potential slip and enhance accuracy and speed. All belts can be specified in various lengths and dimensions with speed ratios and power ratings consistent with application requirements. SKF belts install easily and are equipped to sustain proper tension, maximize rigidity, and minimize potential stretch. Versions can be specified to handle especially high dynamic loads without compromising flexibility or generating excessive heat. Designs can... (read more)
Browse V-Belts and V-Ribbed Belts Datasheets for SKF/North America
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Software puts teeth into gear design
When a job calls for designing nonstandard gearing, you might crunch through the AGMA or ISO calculations or turn to one of several gear-design programs. After a gearset calculation, KISSsoft software shows gears and how they mesh. This visual check indicates wellproportioned teeth
Investigation of the Influence of Transducer Electronic Data Sheets (TEDS) on Calibration Results
with force and voltage ratio calibrations. With force calibration according to ISO 376 a 3rd degree polynomial equation is calculated from the calibration results. With a new kind of amplifier it is possible to store the coefficients of this polynomial equation and make an online calculation. The results
Power and efficiency drive motor selection
. In the case of dc brushless and brush-type motors, the first step determines the motors' power output from Most catalogs list the motor's output power, so matching the results of the calculation to an available motor is straightforward. The second step determines the motor efficiency, represented
Bulk Density of Powders Made Easy
method is a standard "tap" test. This involves filling a container or a beaker with a powder, then tapping it for a specified number of times (100, 180 times are fairly standard). The tapping part is done either with a specific mechanical device or, even more subjectively, a person. Calculations
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Taguchi's Quality Engineering Handbook Complete Document
A key point here is that we judge whether the summarized Mahalanobis distance corresponds to the case of using the SN ratio calculated by Mahalanobis distances for items not included in the unit space.
Conclusions: Delayed scans with T/M ratio calculation may have the potential to improve the diagnostic capacity for thymic carcinoma.
Federal Register > Tuesday, August 18, 2015 > [80 FR 50104] Pay Ratio Disclosure
Finally, we added to this rulemaking's public comment file additional analyses by the Commission's Division of Economic and Risk Analysis staff on the potential effects of excluding different percentages of employees from the pay ratio calculation , and commenters were expressly invited to …
Federal Register > Friday, August 31, 2012 > [77 FR 53258] Medicare Program; Hospital Inpatient Prospective Payment Systems for Acute Care Hospitals and the Lo...
Excess Readmission Ratio Calculation : In the FY 2012 IPPS/LTCH PPS final rule (76 FR 51673 through 51676), we finalized the excess readmission ratio pursuant to section 1886(q)(4)(C) of the Act.
Drug Discovery and Evaluation
Using various doses of the test compound and the standard, dose- response curves can be established and potency ratios calculated .
Nuclear criticality safety experiments, calculations, and analyses - 1958 to 1982. Volume 2. Summaries. Complilation of papers from the Transactions of the Ame...
Fission ratios calculated at the center of the core are used to compare with those experi- mentaUy observed.
Solar Neutrons and Related Phenomena
They calculate resulting NM count rates due to these arriving neutron spectra by using the solar neutron atmospheric attenuation ratio calculated by the Shibata (1994) program and the neutron monitor efficiency calculated by Clem and Dorman (2000).
Simultaneously with the SPECT investigations, visual contrast standardised rating scales were used to deter- mine the sensitivity, clinical symptoms and earapymmidal signs• For evaluation of the SPECT images, visual interpretation and striamm/occipital lobe (S/O) activity ratio calculation were applied.
Mean spleen and liver counts were obtained followed by liver to spleen count ratio calculation In adthtlon, 5mCl of Tc-99m dlsofenin was injected on a separate day and dynamic images were acqmred.
Abstracts grouped per topic
All of them underwent breast scintimammography with 99mTc-MIBI with semiquantitative analysis by means of tumor-to-background ratios calculated in every projection.
Abstracts grouped per topic
The aim of this study was to assess the value of cavity to myocardium ratio (c/m ratio ) calculated in resting and d~pyridamole (Dyp) Tc 99m sestamibi SPECT images to identify patients with left ventricular dysfunction who had known or suspected coronary artery …
Federal Register > Monday, August 17, 2015 > [80 FR 49326] Medicare Program; Hospital Inpatient Prospective Payment Systems for Acute Care Hospitals and the Lo...
The excess readmissions ratio is a hospital-specific ratio calculated for each applicable condition.