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  • Turbidity Units of Measure
    Spectral absorption is expressed by Lambert-Beer's law and is based on compiled work by Pierre Bouguer and Johann Heinrich Lambert in the 1700's, as well as August Beer a century later. NTU FTU: Turbidity Units of Measure. English | Deutsch | Español. Home. About optek. Photometry. Products
  • New Research That Uses Gravitationally Lensed Quasars to Measure Universe is Good News, Bad News for Cosmologists
    , but similar to, rates calculated from the HST Key Project to measure the size and age of the universe. The distance scale was one of the primary science problems the HST was built to address. That findings from the gravitational lensing study and the HST Key Project agree is good news. Also good news
  • Smart instruments and asset management systems
    and microprocessors. Intel igent devices in the field offer more information. than users could have dreamed in the past. Smart instruments in the field measure or directly affect. single or multiple plant variables, contain a. microprocessor for processing data, and are. commercial y available “off
  • Density Range
    Density range is the range of densities that a density or specific gravity instrument can measure. Density is expressed as mass per unit volume, and usually specified in kilograms per cubic meter (kg/^m). The density of water is 1000 kg/m^3 and snow density is usually measured as a ratio
  • Using Portable IR Analyzer to Measure Soot Levels in Diesel Oils
    to. clogging of the oilways and plugging the filter. Thus, the soot concentration. measure soot in in the lubricating oil of a diesel engine is one of the key indicators as to the. condition of the oil. diesel engine oil. With the demand for extended drain times, combined with more stringent. By Paul
  • Volume and Density Determinations for Particle Technologists (.pdf)
    Terms (4) expands only. determined or, at least, estimated under certain. slightly on that definition, offering “A measure. analytical conditions and can provide an. of the size of a body or definite region in three-. indication of surface roughness. Figure 1. dimensional space….” One must consult
  • IR, Nuclear and Beta Gauge Instruments
    IR, nuclear and beta gauge instruments use the absorption of radiation to measure the thickness or basis weight of webs, sheet materials or coatings. On nonmetallic materials such as paper or plastic films or webs, the amount of radiation is reflected back or transmitted through the material
  • Flow Instruments Based on Differential Pressures
    Flow Instruments Based on Differential Pressures. We invite you to browse our catalog and. search for our products at Flow Instruments Based on Differential Pressures. To measure fluid flow, a device of some sort can be inserted in the flow stream to create a measurable variable

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