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Type
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Your choices are...
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Standard
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Standards provide a highly accurate standard value of resistance, capacitance, inductance, voltage or other electrical parameter for calibration and testing. Standards usually consist of a single, fixed value component or a several components not in the same circuit. Some standards are available that are continuously variable, often incorporating a potentiometer. Standards having more than one component (e.g., several fixed value resistors) have multiple posts or a rotary switch to select different resistance values.
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Decade Box / Substituter
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Decade boxes, decades or decade substituters provide highly accurate and digitally variable standard values of resistance, capacitance, inductance or combinations of these electrical parameters for calibration and testing. Decade boxes usually consist of several components (e.g., resistors) within the same circuit. The standard resistance value is selected by varying of the number resistors in the series or parallel circuit.
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Digital Potentiometer / Bridge
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The device is a rheostat or potentiometer, or a rheostat or potentiometer is an integral part of the device (or integral option).
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RTD Simulator
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RTD simulators provide an output to simulate an RTD resistance value for calibration and testing of resistance temperature detectors.
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Other
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Other unlisted forms or categories.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Decades:
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The number of decades available in the decade box.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Resistance Range:
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The resistance range of the resistor.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Accuracy:
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The resistance accuracy or tolerance of the resistor.
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Search Logic:
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All matching products will have a value less than or equal to the specified value.
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Resistance Resolution (per Step):
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Resolution is the digital value represented by one bit in the display in a digital measure. For example, a decade box where one bit on the display represents 10 ohms as a resolution of 10 ohms (also, ohms/step or least significant digit <LSD>).
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Temperature Coefficient
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The temperature coefficient parameter measures the rate at which the nominal resistance value changes as a function of temperature. It is expressed in parts-per million per degree Celsius (ppm/C).
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Search Logic:
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All matching products will have a value less than or equal to the specified value.
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Operating Temperature:
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This is the full-required range of ambient operating temperature.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Stability:
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The stability in terms of accuracy over a period of a year.
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Search Logic:
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All matching products will have a value less than or equal to the specified value.
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Features
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Your choices are...
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NIST / National Lab Traceable
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Standard calibration that can be traced to the National Institute of Technology Standards (NIST) or other National Lab. The standard has been compared to a master standard that has been checked against a NIST standard.
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AC
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Standard or decade is suitable for alternating current (AC) calibration or testing applications.
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DC
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Standard or decade is suitable for alternating current (DC) calibration or testing applications.
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Component / OEM
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Standard, source or decade suitable for use as a precision component in a larger system or product.
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Low Zero / Residual
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Standard or decade has low values of zero, offset or residual impedance resistance, inductance or capacitance.
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Measurement / Calibrator
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The instrument has the ability to perform precision measurements (measures or reads) for testing or calibration in addition to providing a standard reference value.
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Computer Interface / Programmable
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The decade box, voltage divider or component has a computer interface option for programming, control or data acquisition.
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Variable (Continuously)
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Standard or reference that can provide a precise and continuously variable value such as a variable capacitor or potentiometer.
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Rack Mount
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Standard, decade box or divider is designed of suitable for rack mounting. Rack mount units often options for rear and front outputs.
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Stand Alone / Bench
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Standard, decade box or divider is packaged in a case with binding posts.
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Transfer / Laboratory
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Transfer, primary or laboratory grade standards are used to compare or transfer the accuracies from NIST or national lab certified standards to working standards, sources, simulators and calibrators or for precision meter calibration.
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Working
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Working standards are robust or rugged units for production or in-line testing and calibration. Reference or working standards are compared or verified by transfer or laboratory standards and then used for calibration, testing and inspection of other components, meters and instruments.
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Other
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Other proprietary, patented or unlisted features.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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mega-ohm standard,
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precision AC current shunt,
NIST traceable resistor,
micro-ohm standards,
precision resistance,
resistor standard,
wirewound resistance standard,
calibration resistor,
resistance standard,
ohmic resistance,
resistance calibration,
precision calculator resistor,
decade resistance,
standard resistance bridge,
reference resistor
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