Products/Services for NIST Traceable Photometer Calibration Service

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In other words, if all of the analytical results are traceable to well-defined materials and methods, the results obtained will be the same, within a known margin of error. Traceability is envisioned as one way of obtaining consistent test results from laboratory to laboratory. It is often recognized...

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  • http://www.techbriefs.com/component/docman/doc_download/3722-ntb-0208?Itemid=
    Check our website for detailed descriptions of the following product families: • Spectroradiometers • Photometers • Colorimeters • Radiometers • Integrating spheres • NIST - traceable light sources • Retroreflective systems • NIST-traceable calibration services .
  • http://www.techbriefs.com/component/docman/doc_download/3725-ntb-0508?Itemid=
    Check our website for detailed descriptions of the following product families: • Spectroradiometers • Photometers • Colorimeters • Radiometers • Integrating spheres • NIST - traceable light sources • Retroreflective systems • NIST-traceable calibration services .
  • Flat panel display test and evaluation for U.S. military applications
    It is also imperative that any laboratory activity have access to reliable and timely calibration and repair services . Most instruments, ranging from photometers and lamps to goniometers, usually require a periodic (annual) calibration and inspection. Calibrations must be traceable to the National Institute of Standards and Technology ( NIST ).
  • Luminous intensity measurements of sources using a new detector-based illuminance scale
    response, traceable to N1ST primary standard detectors using a short derivation chain. With the introduction of the new photometric scale, the photometric calibration services of NIST will include luminous intensity and luminance calibration of different kinds of light sources, mea- sured with standard photometers .
  • Validation of TOMS UV irradiance with Brewer ground-based measurements at southwestern Spain
    Besides the everyday tests performed with the internal lamps, the spectrophotometer is periodically calibrated by comparison with a standard lamp, with calibration traceable to the National Institute of Standards and Technology ( NIST ). ...two years against a Brewer travelling standard (Brewer #017) from the International Ozone Services (IOS, Canada), previously... For aerosol studies ESAt and University of Valladolid operated an automatic CIMEL sun photometer , which is part...
  • NIST Photometry
    NIST ’s program in photometery involves maintaining the SI base unit of luminous intensity, the candela, as well as other photometric quantities; establishing national calibration standards and services for retroreflectivity; and educating the photometric community about the fundamentals and practical aspects of... It is maintained on a group of eight standard photometers , which are calibrated annually and traceable to Division's reference cryogenic radiometer (POWR).
  • Flat panel display test and evaluation: procedures, standards, and facilities
    ...any inversion of color, gray levels, or contrast within the viewing cone. spot photometer , video signal generator... ...that to obtain accurate results when performing these procedures, the equipment should be calibrated according to the... Radiance/luminance standards are calibrated against standards traceable to the National Institute of Standards and Technology ( NIST ). ...manufacturers such as Gamma Scientific, Hoffman Engineering, and Photo Research can provide calibration services for many types...
  • Calibration and characterization of UV sensors for water disinfection
    Photometers are normally calibrated using a standard incandescent lamp approximating this spectrum. The development of a facility at NIST dedicated to the calibration of UV water disinfection sensors is... With such a facility, reference standard UV sensors can be calibrated traceable to the national scale for... This facility and calibration service will establish traceability of the UV sensors for the water treatment community...
  • Ozone, carbon monoxide and nitrogen oxides time series at four alpine GAW mountain stations in central Europe
    NO2 in- struments are serviced yearly on-site by an ECOPHYSICS service engineer. O3 calibrations are traceable to the standards of the cali- bration laboratory at the Environment Agency Austria (EAA) in Vienna (accredited according to EN ISO/IEC 17025), which is the Austrian Reference Laboratory for Air Qual- ity according to the EC Directives. Therefore the O3 mea- surements are traceable to the Austrian national Etalon for O3, the NIST SRP #26 (primary reference photometer ).
  • LED photometric calibrations at the National Institute of Standards and Technology and future measurement needs of LEDs
    The calibration service available for averaged LED intensity has a typical expanded relative uncertainty (k=2) of 0.8 to 1.8 % for LEDs that have a specially designed base for alignment. LED Photometer Calibration at NIST ...aperture of the LED Standard photometers is measured by trap detectors, which are traceable to the unit...
  • NIST Detector metrology
    NIST cooperates with the three services (Air Force, Navy, and Army) to realize a uniform night vision goggle (NVG) calibration system with low measurement uncertainty. Realization of the candela and Kelvin - Based on newly developed high performance radiometers, photometers , and colorimeters, realization... The NIST candela is now directly traceable to the NIST Primary Optical Watt Radiometer (POWR).
  • Portable sensor for hazardous waste. Final report, March 31, 1995--May 31, 1997
    The calibration feed solutions are made from NIST - traceable ICP standards. ...Waste Monito!: Regardless of the method of analysis of the optical spectra (filter photometer or OMA) the... The system wilI require standard 110V power service .
  • Calibration of the NPL transfer standard absolute radiance source (TSARS) and its use with GOME 2-FM3 spectral radiance measurements
    The configuration for the measurements were the same as those used to measure a NIST calibrated FEL lamp ensuring no biases in the results from the origin of the primary SI Scale. At NPL all optical radiation measurement is traceable to the cryogenic radiometer, as shown in Figure 1. Trap detectors are used to calibrate filter radiometers and photometers and, from there, other scales or services for end users 7 .
  • How to obtain traceability on optical radiation measurements?
    Calibrated lamps, traceable to NIST Calibrated optical detectors traceable to CENAM’s cryogenic radiometer 2000-03-07 Radiant flux ...Mexican measurement system on radiometry, providing traceability to all users through the calibration and measurement services offered. Measuring the spectral response of a so called photometer head that match the spectral response of the...


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