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Anionic / Cationic:

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Dimensional Standards:

Tolerance Grade (Gage Block / Pin Gage):

Electrical Standards & Sources:

Form / Technology:

Inspection & NDT Standards:

Signal / Waveform:

Features:

Help with Calibration and Reference Standards specifications:

Chemical Standards & Reference Materials
   Form:       
   Your choices are...         
   Liquids       Chemicals or materials processed are in liquid form. 
   Colloid / Dispersion       Chemical agent or additive is in the form of a colloid, emulsion or dispersion. 
   Powders       Powders are finely divided or powdered forms of metals, ceramics, polymers, composites, minerals or other raw materials. 
   Bulk Solids / Granules       Chemicals or materials processed are in the form of a bulk solids or granules. 
   Other       Other unlisted, proprietary or specialized form. 
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   Inorganic / Organic       
   Your choices are...         
   Inorganic Chemicals       Supplier has expertise in synthesizing or processing inorganic chemicals. 
   Organic Chemicals       Supplier has expertise in synthesizing or processing organic chemicals.  Chemicals processed include alcohols, alfol esters, detergents, fertilizers, glycol ethers, herbicides, halogenated hydrocarbons, insecticides, organo-metallic com-pounds, silicone oils, tall oils, turpentine, and waxes. 
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   Anionic / Cationic       
   Your choices are...         
   Anionic       Chemical agent or additive is anionic or produces anions, negative ions or species with a negative charge in an aqueous solution. 
   Cationic       Chemical agent or additive is cationic or produces cations, positive ions or species with a positive charge in an aqueous solution. 
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   Function       
   Your choices are...         
   Active Biochemical / API       Supplier has the capability to process, react, extract or synthesize biochemicals such as vitamins, proteins, peptides, amino acids, amino acid analogs, DNA, RNA, steroids, carbohydrates, oligonucleotides, lipids, animal fats, vegetable oils, waxes, sterols, triglycerides, other biological or botanical derivatives, active pharmaceutical ingredients (APIs) or high potency actives (HPAs).  
   Biocides (Herbicide, Pesticide, etc.)       Biocides and cidal agents are functional chemicals used to kill microbes, vegetation, insects and animal pests. 
   Plasticizer       Plasticizers are additives used to soften or increase flexibility of a product during processing or end use.  Plasticizers are added into plastic, concrete, mortar or cement.  
   Reagent       Reagents are chemicals, dyes, enzymes, indicators, titrants, extractants, and other reaction solutions that participate in chemical reactions. Reagents can be the constituents required to synthesize a compound. A reagent can also be an analytical reactant to detect or measure the quantity of another chemical.  Reagents are typical used in laboratory settings. 
   Specialty       Other unlisted, proprietary or specialized function. 
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Dimensional Standards
           
   Your choices are...         
   Angle Gage Block       Gage blocks are manufactured to a precise angle for gaging angles or for checking angle gages and protractors. 
   End Measuring Rod       End measuring rods or micrometer standards are fixed length setting gage or standards used for checking or calibrating micrometers or other length / thickness gages.  End measuring rods consist of long, ground bars manufactured to precise tolerances, and with a central insulating handle. 
   Gage Block       Gage blocks provide fixed length, thickness, or angle standards and are manufactured to specific flatness, parallelism, and dimensional standards.  
   Pin / Plug Gage       Pin / plug gages are production functional gages for go / no-go assessment of hole and slot dimensions or locations compared to specified tolerances. 
   Precision Gage Ball        Precision balls are precisely manufactured spherically shapes for gaging spherical cavities, tapered holes, or machine tool set up. 
   Ring Gage       Ring gages are production functional gages for go / no-go assessment compared to specified tolerances of the dimensions or attributes of pins, shafts, or threaded studs. 
   Square Gage Block        Square gages blocks do not have a central hole and are held together with an external gage block holder. 
   Rectangular Gage Block       Rectangular gage blocks have one or more centrally located holes for mounting on holding bars. 
   Wear Gage Block       Wear gage blocks are used on the ends of the gage block stack that contact the parts or variable gages being evaluated.  
   Other       Other unlisted, specialized, or proprietary gage block types. 
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   Tolerance Grade (Gage Block / Pin Gage)       
   Your choices are...         
   Grade 0.5 (Lab Master or AAA)       Federal Grade 0.5, Grade AAA, or Laboratory Master Grade products provide the highest degree of accuracy and are used in precision or master calibration gaging operations in temperature controlled metrology or standards laboratories.  Grade 0.5 gage blocks under one inch in length should have length tolerances of +/- 1 microinches (1 mike or 1 millionth of an inch) and flatness and parallelism variation of not more than 1 microinches. Federal Grade 0.5 exceeds German Grade 00 as well as DIN, ISO, and BSS Grade K. 
   Grade 1 (AA)       Federal Grade 1, Grade AA, or Laboratory Grade products provide a high degree of accuracy and are used in precision gage checking or setting operations in quality control or metrology laboratories.  Grade 1 gage blocks under one inch in length should have length tolerances of +/- 2 microinches (2 mikes or 2 millionths of an inch) and flatness and parallelism variation of not more than 2 microinches. Federal Grade 1 exceeds German Grade 00. as well as DIN, ISO, and BSS Grade K. 
   Grade 2 (A1 / A+)       Federal Grade 2 or Grade A or Inspection Grade products provide a high degree of accuracy and are used in precision gage checking or setting operations in quality control or metrology laboratories.  Grade A+ block indicates a manufacturer that provides higher level or precision compared to the government Grade A standards.  Grade gage blocks under one inch in length should have length tolerances of +/- 2 microinches (2 mikes or 2 millionths of an inch) and flatness and parallelism variation of not more than 2 microinches. Federal Grade 2 exceeds German, DIN, ISO, and BSS Grade 0 standards. 
   Grade 3 (A)       Grade A, or Inspection Grade, products provide sufficient accuracy for use in gaging, setting and general inspection operations in production or tool room areas. 
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Electrical Standards & Sources
           
   Your choices are...         
   Capacitance / Capacitor       Capacitance standards and decades provide a highly accurate standard value of capacitance for calibration and testing. 
   Inductance / Inductor       Inductance standards and decades provide a highly accurate standard value of inductance for calibration and testing. 
   Resistance / Resistor       Resistance standards and decades provide a highly accurate standard value of resistance for calibration and testing. 
   Voltage Reference       Voltage references provide a highly accurate value or ratio (Vout / Vin) of voltage for calibration and testing. They use very precise standard DC cells, power supplies, fixed resistors, and/or potentiometers. 
   Current Reference       Current references provide a highly accurate value or ratio (Iout / Iin) of current for calibration and testing. They use very precise power supplies, fixed resistors, and/or potentiometers. 
   Specialty / Other       Other specialized, unlisted or proprietary electrical standards, reference sources or decade boxes. 
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   Form / Technology       
   Your choices are...         
   Standard       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 several components not in the same circuit.  Some standards are available that are continuously variable; often, they incorporate a potentiometer.  Standards that have more than one component (e.g., several fixed-value resistors) have multiple posts or a rotary switch to select different resistance values. 
   Decade Box / Substituter       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.  
   Digital Potentiometer / Bridge       The device is a rheostat or potentiometer, or a rheostat or potentiometer is an integral part of the device (or integral option). 
   Voltage Divider       Voltage dividers are the equivalent of digital potentiometer with a variable potentiometer (in series) for fine-tuning.  Voltage dividers provide a highly accurate ratio (Vout / Vin) of voltage and current for calibration and testing using a very accurate potentiometer in combination with a series of fixed resistors. Kelvin-Varley voltage dividers use a bridge circuit with two standard value resistors.  The ratio of the resistance value determines the voltage or current ratio that is provided. 
   RTD Simulator       RTD simulators provide an output to simulate an RTD resistance value for calibration and testing of resistance temperature detectors. 
   Thermocouple Simulator       Thermocouple simulators output a precise voltage to simulate the millivolt potential of K, J, R, or other thermocouple junctions. 
   Other       Other unlisted forms or categories. 
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Inspection & NDT Standards
           
   Your choices are...         
   Flaw Standard / Test Panel       Any standards with artificial flaws used to verify readings and calibrate flaw detectors.  Some examples of flaw standards are QQIs (Quantitative Quality Indicators) used in magnetic particle inspection or FPI test panels. 
   Conductivity Standard       Metal or material sample of known and uniform conductivity, composition and processing used to verify readings and calibrate conductivity testers. 
   Densitometer Standard       Black & white or color images with known patterns and area density variations usually made a specific standard. 
   Hardness Standard       Blocks of metal or material of known hardness and heat treatment usually calibrated to ASTM standards that are used to verify hardness test readings. 
   Radiographic Film Standard       X-ray reference radiographs, reflectance standards, contrast shims. 
   Thickness Calibration Block       Blocks or stepped blocks of a known material and thickness used for calibration of thickness or flaw detection instruments such as ultrasonic or eddy current units. 
   Other       Other NDT standards and references not listed elsewhere. 
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Signal Standards & Sources
   Signal / Waveform       
   Your choices are...         
   Continuous Wave (CW)       Continuous wave (CW) generators produce sine waves. Sine wave frequency and amplitude can be set in most CW sources. 
   Function       Function generators create square waves by applying a bipolar sine wave to a comparator’s input. 
   Noise       Noise generators and noise sources produce random noise outputs for testing RF equipment, integration with RF and microwave devices, and use as calibration standards. Applications for noise generators and noise sources include: 
  • Built-in testing for RF receivers
  • Eb / No vs. BER testing (modems or digital receivers)
  • Encryption
  • Dithering circuits
  • Jamming or jamming simulation
  • Baseband signal simulation
  • Calibration sources or standards
 
   Pulse       Pulses are current or voltage that changes abruptly from one value to another and back to the original value in a finite length of time. 
   Signal       Signal generators output signals or sine waves that carry information. There are many ways to add information to sine waves. Basic signal generators include frequency, amplitude and phase modulation capabilities. Advanced signal generators offer pulse and IQ modulation capabilities. 
   Sweep       Swept sources are able to automatically vary the output frequency or amplitude of a sine wave over a range of frequencies or amplitudes in a controlled manner. 
   Other       Other unlisted generator type. 
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Features
   Features       
   Your choices are...         
   System Component       Standard, source or decade suitable for use as a precision component in a larger system or product. 
   Laboratory / Transfer       Transfer grade standards are used to compare or transfer the accuracies from NIST or national lab certified standards to working standards or inspection 
   NIST / National Lab Traceable       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. 
   Reference / Working       Reference or working standards are compared or verified by transfer or laboratory standards and then used for calibration, testing and inspection of other components and instruments. 
   Other       Other unlisted, proprietary or specialized feature. 
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