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Time standards and frequency standards can include cesium or rubidium atomic clocks, quartz oscillators, hydrogen masers and other master clocks. Time reference sources are used in networks & telecommunications, observatories, utilities and navigation (GPS). Learn More
Calibration standards and reference sources include any source that can provide a reference for the calibration of an instrument or comparison of a material or component. Search by Specification | Learn More
Phase-locked loop (PLL) frequency synthesizers are electronic devices that produce frequencies coherent to a reference frequency. Search by Specification | Learn More
Atomic emission and optical emission spectrometers determine analyte concentration via a quantitative measurement of the optical emission from excited atoms. Search by Specification | Learn More
Frequency synthesizers are electronic devices that generate frequencies by using a combination of other frequencies. Search by Specification | Learn More
RF frequency multipliers are nonlinear devices that produce an output signal with a frequency that is larger than the frequency of a corresponding input signal by a predetermined factor. Search by Specification | Learn More
Voltage dividers and voltage references provide highly-accurate reference voltages for calibration and testing purposes. Search by Specification | Learn More
Voltage references are electronic circuits that produce a constant output voltage (reference) that is used to compare other voltages in a system. Search by Specification | Learn More
Frequency-to-voltage converters accept a signal and convert its frequency to a corresponding analog voltage level. Search by Specification | Learn More
Atomic absorption (AA) spectrometers use the absorption of light to measure the concentration of gas-phase atoms. Search by Specification | Learn More
Frequency meters are instruments that provide analog outputs as frequencies that vary as a function of the applied input. They display values on a dial, usually with a needle or moving pointer. Search by Specification | Learn More
Power frequency converters take electrical input power at one frequency and voltage and provide electrical output power at a different frequency and at a different or equal voltage. Search by Specification | Learn More
RF frequency converters are integrated component assemblies required for converting microwave signals to lower (or intermediate) or higher frequency range for further processing. Search by Specification | Learn More
Frequency counters are digital indicating meters for accurate measurement and display of square wave and pulse input signals. Learn More
Radio frequency identification (RFID) products read or write data to RF tags that are present in a radio frequency field projected from RF reading/writing equipment. Search by Specification | Learn More
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Non-Contact Thread Inspection... Johnson Thread-View Systems, LLC
Fluke 719 Electric Pressure Calibrator Fotronic Corporation / Test Equipment Depot
Altek 820 Multifunction Process Calibrator Fotronic Corporation / Test Equipment Depot
Threaded Product Measurement Certification... Johnson Thread-View Systems, LLC
Altek 334A Process Loop Calibrator Fotronic Corporation / Test Equipment Depot
Fluke 725 Multifunction Process Calibrator Fotronic Corporation / Test Equipment Depot
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The InSightTM 3D Atomic Force Microscope (AFM) provides unparalleled accuracy and precision required for non-destructive, high-resolution 3D measurements of critical 45nm and 32nm semiconductor features. (read more)
The Fluke 9640A and 9640A-LPN Reference Generators feature a unique combination of level accuracy, dynamic range and 4 GHz frequency capability to calibrate the broadest range of RF measurement workload. They have been designed specifically for metrology applications where the combination of level accuracy and dynamic range is important. (read more)
Covers the Key Colour Scales applied to Oils, Fuels & Chemicals
The range of Lovibond® colour reference standards includes AOCS-Tintometer, ASTM, Gardner, Lovibond® RYBN, Pt-Co/Hazen/APHA and Saybolt Colour, the key colour scales applied to oils, fuels & chemicals. Each standard is supplied in a 500 mL bottle with a 12-month guarantee of colour stability. (read more)
Ultra wideband, directional antenna for USA medical, cellular, wireless LAN, WiMAX and 5.8GHz frequencies, model FPA4-0.7-6.0R/1562 can be wall-mounted indoors in a primary position where space is limited. The antenna is 1.9" x 8.6" diameter and weighs 520 grams. Frequency range is 600MHz to 6GHz and gain 4dBiC. (read more)
Radiall's micro-miniature SSMB-SSMC-SSLB connectors are the most popular and versatile solutions for numerous high frequency, high density applications on the market today. (read more)
View giant size digits from anywhere with desk/wall mount. Clock automatically adjusts for daylight saving, leap year, and even the earth's wobble in leap seconds. Maintains better than 1-second accuracy for 25,000 years. (read more)
The Dimension® Icon™ Atomic Force Microscope brings new levels of performance, functionality, and AFM accessibility to nanoscale researchers in polymers, semiconductors, energy, data storage and other materials fields. The latest member of the Dimension family is the culmination of decades of technological innovation, industry-leading application customization, and customer feedback. (read more)
The best research instruments not only acquire the intended data, but actually increase productivity. Veeco's new BioScope™ Catalyst™ Atomic Force Microscope (AFM) accelerates innovative research by reducing the time and effort needed to combine the proven techniques of light microscopy with the unique benefits of atomic force microscopy. (read more)
If Atomic Absorption is your instrument of choice, Inorganic Ventures thinks you'll appreciate their improved line of AA standards. They have more than doubled their previous selection of analytical elements. And if you still can't find what you need, just ask. Customization is their specialty. (read more)
Looking for the latest technology available for highly accurate bulk analysis as well as quantitative depth profiling for coatings analysis and surface treatments? (read more)
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Quartzlock - Precise Time&Frequency for... Frequency Reference Rubidium A1000 A10-LPRO Redundancy Switches&Frequency Reference See Quartzlock (UK), Ltd. Information |
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Appendix A - An Introduction to Frequency Calibrations... The frequency standard being calibrated is called the device under test (DUT). In most cases, the DUT is a quartz, rubidium, or cesium oscillator. |
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Using a Global Positioning System (GPS) receiver as a NIST... to NIST. Since many laboratories use GPS receivers as a frequency reference and since GPS is not a NIST generated service, this raises the following |
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Traceable calibration of a GPS Disciplined Oscillator 1 A frequency standard that is designed to use this atomic property of the Cesium atom is an intrinsic (primary) standard, since it generates a |
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Application note 1289 54 Appendix A: Time and Frequency Measures Accuracy, Error, Precision, Predictability, Stability, and Uncertainty ............................. 56 |
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Application note 1272 It will and frequency, at low cost and (FRP) prepared by the U.S. DoD fundamentally alter many existing anywhere it is needed, is a revolu- and U.S. |
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Frequency Standards by Fluke and Symmetricon. 908/909 Frequency References Accurate reference "Atomic clock" in automated test systems |
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Frequency Measurement by Anritsu and EADS. FREQUENCY MEASUREMENT Listed alphabetically by Manufacturer: |
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Dallas EJ3 (US) the photodiode current (Ifb) with a reference current (I3) In Figure 3a, the laser-bias current is an amplified version produces an error that is |
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Distribution cuts the cost of rubidium oscillators: News from... is a leading designer and manufacturer of a full range of advanced, low-cost rubidium, smart GPS and multiple-reference-synchronised clocks and |