Web• Short-circuit squirrel-cage motor, enclosed • Standard voltage construction with external ventilation (TEFC). Single-phase version: • Rated power from 0,75 to 75 kW for 2-pole range 220-240 V 50 Hz and from 0,25 to 11 kW for 4-pole range. Built-in automatic reset overload protection. • IP55 protection degree. Three-phase version: WebDec 2, 2024 · The time-temperature curves are mathematical formules that regulate the temperature in a test furnace as a function of time. Its function is trying to assess and compare the different behavior of the building materials in the same fire scenario. The most common to assess building and industry fires is the Fire Curve ISO 834 Normalized or ...
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Webiso 1680 It specifies noise measurement methods that can be used, and specifies the operating and mounting conditions required for the test. Noise emission characteristics include the sound power level and emission … WebThis measurement assumes the image is exposed using a standard gray card with 18% reflectivity ( r = 0.18) and that the the sensor saturates (reaches its maximum output) at 141% reflectivity (well above the 90% reflectivity for … create 3d model with iphone
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WebISO 18080-1:2015 specifies a test method using corona charging with measurement of the impressed peak voltage and charge decay time on specimens of fabric or all types of … WebDec 18, 2013 · EN ISO 1680:2013 Current Add to Watchlist Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machines (ISO 1680:2013) Available format (s): Language (s): Published date: 12-18-2013 Publisher: Comite Europeen de Normalisation Pure ENs are not available for sale, please purchase a suitable … WebMar 30, 2014 · ISO 1680:2013 specifies all the information necessary to carry out efficiently and under standardized conditions the determination, declaration, and verification of the noise emission characteristics of rotating electrical machines. create 3d map free