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Calibration

Optical Calibration Services How to purchase this product...

The R&D of solar radiation instrumentation has significant calibration requirements. The specialized optical laboratory YES operates to characterize products includes three major facilities for the measurement of spectral, cosine and absolute responses of optical radiation detectors. Our optical laboratory facilities give us the capability to fully characterize the performance of radiometric instrumentation referenced to NIST standards. As standard policy, we also execute any outstanding Engineering Change Orders on instruments returned for calibration, effectively offering a free technology upgrade to our customers. Customers have the option of having a benchmark pre-calibration for data taken prior to modifications.

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Portable Field Calibrator How to purchase this product...

The Model PFC-5001 Portable Field Calibrator is a highly stable irradiance light source for performing absolute characterization of field-calibrating narrow band spectroradiometers in-situ. While it is optimized for use with the Model RSS-1024 and Model UVRSS-1024 spectroradiometers, it can be readily setup and adapted to a wide variety of optical detectors both in the laboratory and in the field. The PFC-5001 is a computer-controlled stabilized single lamp light source. An internal stabilized current regulation circuit ensures precise current regulation to the rugged 200 watt tungsten filament lamp, providing constant optical power output under all environmental temperatures. Two internal independent fans maintain the internal air that surrounds the lamp envelope at a nearly constant temperature. Current monitoring resistive shunt temperatures as well as housing temperatures can be monitored during operation. An exit aperture provides precise positioning of the spatially uniform light flux to the device under test (DUT). Custom mechanical alignment fixtures are typically built to order to mate the system to a variety of radiometers.

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Satellite Quality Monitor  How to purchase this product...

The Model SQM-5002 Satellite Quality Monitor is a computer-controlled, diffuse light source for field-calibrating narrow band filter radiometers and CCD imagers in-situ. A commercialization of the SeaWIFS Quality Monitor initially developed by NASA's Goddard Space Flight Center and NIST, the SQM-5002 supports field stability checks of ground-level filter radiometers to assist with verifying the performance of remote sensing platforms. While the lamp housing and components are nearly identical to the original NASA design, the control system and power supply were re-designed to enhance performance and are enclosed in a waterproof NEMA-4X enclosure. The SQM-5002 is a complete system and provides three optical output intensity levels. It can be readily adapted to a wide variety of optical detectors in the laboratory or the field.

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This page was last updated on Monday, September 11, 2006 .