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<table cellpadding="3" cellspacing="0" width="100%" class="forumline"> <thead> <caption><table border="0" cellspacing="0" cellpadding="0" width="100%" class="forumheader"> <tr> <td align="left" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_left.gif" width="25" height="27" alt="" /></td> <td align="center" class="forumheader-mid">Topic review</td> <td align="right" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_right.gif" width="25" height="27" alt="" /></td> </tr></table></caption> </thead> <tbody> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>lompiacv</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/AcidTechTiger/images/post_old.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Mon 16:41, 06 Dec 2010<span class="gen"> </span> Post subject: ugg stivali DO30-type table with three digital cal</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">DO30-type table with three digital calibrator Evaluation of Measurement Uncertainty <br /> <br /> <br />△ / J} = 7 × 10 a V and the relative value: \10V range resolution e2 = O.00001V, set it as the uniform distribution, coverage factor k = 45, calculated half-width: z '(2) = e2/2k = 3 × 10V its relative value: z' () = 1.5 × 10-65.2 calibration table with three digital calibrator DC 200mA 5.2.1 Uncertainty in the number of formulas with three tables show the value of measurement of calibrator uncertainty components introduced by u (L) (1) the repeatability of measurement uncertainty components introduced by u (L1) In this experiment, the calibration table with three digital calibrator DC 200n ~ for example, in the same measurement conditions,<a href="http://www.stivaliuggboots.com" target="_blank">ugg stivali</a>, the 34401A digital multi- Table and BZ3 DC standard resistor measurements for the standard 1O. the data in the table below. Ao 199.95199.95199.96199.96199.94199.95199.96199.95199.94199.96 = / single measurement standard uncertainty for the i = Ir -------------- A u (/ xf) = s (/ x ') = √ sprouts (-)/( n-1) = 2. 4 × 10mA measurement results for the 1st reading, so the standard uncertainty u (/ x) = 2.4 × 10'mA its relative value: z'f (/ xi) = 1.2 × 104 (2) Digital Three-calibrator with the table show the value of the resolution introduced uncertainty components u (L2) Digital Calibrator with three tables in the regulation of DC 400mA range of fineness as O.02mA, located in semi-wide range uniform distribution, coverage factor k = √ 3, so: z '(2) = el/2k = 5.8 × 10-mA and the relative value: z' (2) = 2.9 × 105.2.2 Digital Multimeter uncertainty components introduced by u () (1) the introduction of the accuracy of DMM uncertainty components u (1) DC 10V DMM range accuracy of ± (O.0035% × reading + O.0005% × span), the selected DC standard resistor 10,<a href="http://www.truereligiontruejeans.com" target="_blank">true religion jeans</a>, (2, values in the input DC 200mA,<a href="http://www.stivaliuggboots.com" target="_blank">ugg italia</a>, A1 = ± 1.2 × 1O-4V, set it as the uniform distribution, distribution coefficient is, z '(1) = Al / k = 7 × 10V its relative value: z'f (1) = 3.5 × 10 A (2) digital multimeter resolution introduced uncertainty components u ( ) Agilent34401A digital multimeter in 10V range resolution e2 = 0.00001V, DC standard resistor selected 101 \(2) = e2/2k = 3 × 10V its relative value: u () = 1.5 × 10-6 (3) the accuracy of the DC resistance of the introduction of standard uncertainty components u () BZ3 DC Standard Resistor device accuracy of 0.01%, △ 2 = O.O1% set it as uniform distribution, coverage factor k = 45, its relative value: u () = A2 / k = 5.8 × 106 synthetic standards are not 6.1 determine the degree of calibration table with three digital calibrator DC 2V the combined standard uncertainty. z '(Y) = z' () + z '() = z' (1) + z '() + z '(1) + z' () (Y) = 1.6 × 10 6.2 Calibration of a digital calibrator table with three DC 200wA Uncertainty z'2 (Y) = z '() + z '() = z' () + z '(2) + z' () + z '(1) + z' () uc (y) = 1.4 × 10 an expanded uncertainty U = 7 k'k = 2 calibration table with three digital calibrator when the DC-2V, U = 1.6 × 10 (k: 2). calibration table with three digital calibrator when DC 200mA,<a href="http://www.uggbootsgunstigbillig.com" target="_blank">ugg boots billig</a>, U: 1.4 × 10 - (k: 2). Author: Liu Yueming, Female, Bachelor,<a href="http://www.uggbootsgunstigbillig.com" target="_blank">ugg boots günstig</a>, Engineer.: Guangzhou Metro Corporation, Technology Operations, Headquarters. Correspondence Address: 5111310 Xingang East Road, Guangzhou Metro, Guangzhou, red sand depot. collection issued on time: 20 dry in o408 <br /> <br />相关的主题文章： <br /> <br /> <br /> <a href="http://it.nankai.edu.cn/cpp/Review.asp?NewsID=211" target="_blank">Tube-type mast wind load experimental study _2046</a> <br /> <br /> <a href="http://www.crx.com.pl/forum/viewtopic.php?p=125419#125419" target="_blank">ugg italia HTR-10 control rod of magnetic eddy cur</a> <br /> <br /> <a href="http://www.webyxw.cn/plus/view.php?aid=242050" target="_blank">true religion jeans Project internal rate of retur</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" class="spaceRow"><img src="http://picsrv.fora.pl/AcidTechTiger/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </tbody> </table>
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