{"id":255237,"date":"2024-10-19T16:52:18","date_gmt":"2024-10-19T16:52:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60051-12017\/"},"modified":"2024-10-25T12:18:58","modified_gmt":"2024-10-25T12:18:58","slug":"bs-en-60051-12017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60051-12017\/","title":{"rendered":"BS EN 60051-1:2017"},"content":{"rendered":"<p>This part of <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60051<\/span> <\/span> specifies definitions and general requirements for direct acting indicating analogue electrical measuring instruments and their accessories.<\/p>\n<p>This part applies to direct acting indicating analogue electrical measuring instruments, such as:<\/p>\n<ul>\n<li>\n<p>ammeters and voltmeters;<\/p>\n<\/li>\n<li>\n<p>wattmeters and varmeters;<\/p>\n<\/li>\n<li>\n<p>frequency meters of pointer and vibrating-reed types;<\/p>\n<\/li>\n<li>\n<p>phasemeters, power-factor meters and synchroscopes;<\/p>\n<\/li>\n<li>\n<p>ohmmeters(impedance meters) and conductance meters;<\/p>\n<\/li>\n<li>\n<p>multi-function instruments of the above types.<\/p>\n<\/li>\n<\/ul>\n<p>It also applies to:<\/p>\n<ul>\n<li>\n<p>certain accessories used with these instruments, such as:<\/p>\n<ul>\n<li>\n<p>shunts;<\/p>\n<\/li>\n<li>\n<p>series resistors and impedance elements;<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>combination of the instruments and the accessories provided that the adjustments have been made for the combination;<\/p>\n<\/li>\n<li>\n<p>direct acting indicating electrical measuring instrument whose scale marks do not correspond directly to its electrical input quantity, provided that the relationship between them is known;<\/p>\n<\/li>\n<li>\n<p>instruments and accessories having electronic devices in their measuring and\/or auxiliary circuits.<\/p>\n<\/li>\n<\/ul>\n<p>These series standards do not apply to:<\/p>\n<ul>\n<li>\n<p>special purpose instruments which are covered by their own IEC standards;<\/p>\n<\/li>\n<li>\n<p>special purpose devices which are covered by their own IEC standards when they are used as accessories.<\/p>\n<\/li>\n<\/ul>\n<p>This standard does not specify requirements concerning dimensions of instruments or accessories (for the former, see <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60473<\/span> <\/span>).<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>3.1 General terms  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>3.2 Description of instruments according to their method of operation  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>3.3 Constructional features of instruments  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>3.4 Characteristic features of instruments  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>3.5 Characteristic values <br \/> 3.6 Influence quantity, reference conditions, nominal range of use and preconditioning  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>3.7 Uncertainty and variations  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>3.8 Accuracy, accuracy class and class index <br \/> 3.9 Test  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>4.1 Description <br \/> 4.1.1 Description according to methods of operation or nature <br \/> 4.1.2 Description according to environmental conditions <br \/> 4.1.3 Description according to mechanical conditions  <br \/> 4.1.4 Description according to degrees of protection  <br \/> 4.2 Classification <br \/> Table 1 \u2013 Minimum IP requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>4.3 Compliance with the requirements of this standard <br \/> 5.1 Reference conditions <br \/> 5.2 Limits of intrinsic uncertainty, fiducial value  <br \/> 5.2.1 Limits of intrinsic uncertainty <br \/> 5.2.2 Correspondence between intrinsic uncertainty and accuracy class <br \/> 5.2.3 Fiducial value  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Table 2 \u2013 Reference conditions and tolerances for testing purposes relating to the influence quantities  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>5.3 Nominal range of use and variations <br \/> 5.3.1 Nominal range of use  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Table 3 \u2013 Limits of the nominal range of use and permissible variations  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>5.3.2 Limits of variations  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>5.3.3 Conditions for the determination of variations <br \/> 5.4 Operating uncertainty, overall system uncertainty and variations <br \/> 5.5 Electrical requirements <br \/> 5.5.1 Electrical safety requirements  <br \/> 5.5.2 Self-heating  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>5.5.3 Permissible overloads <br \/> 5.5.4 Limiting range of temperature  <br \/> 5.5.5 Deviation from zero <br \/> 5.5.6 Electromagnetic compatibility (EMC)   <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>5.6 Constructional requirements <br \/> 5.6.1 General constructional requirements  <br \/> 5.6.2 Damping <br \/> 5.6.3 Sealing to prevent access  <\/td>\n<\/tr>\n<tr>\n<td><b>33<b><\/td>\n<td>5.6.4 Scales <br \/> Figure 1 \u2013 Measuring range 10 A to 50 A   <\/td>\n<\/tr>\n<tr>\n<td><b>34<b><\/td>\n<td>5.6.5 Stopper <br \/> 5.6.6 Preferred values <br \/> 5.6.7 Adjusters, mechanical and\/or electrical <br \/> Figure 2 \u2013 Measuring range 80 V to 110 V  <br \/> Figure 3 \u2013 Measuring ranges 0,06 M\u2126 to 0,4 M \u2126 and 0,1 M\u2126 to 2 M\u2126  <\/td>\n<\/tr>\n<tr>\n<td><b>35<b><\/td>\n<td>5.6.8 Effects of vibration and shock <br \/> 5.6.9 Degrees of protection provided by enclosure   <\/td>\n<\/tr>\n<tr>\n<td><b>36<b><\/td>\n<td>5.6.10 Terminals  <br \/> 6.1 Information <br \/> Table 4 \u2013 The diameters of conductive screw and the diameters or the area of contact surface  <\/td>\n<\/tr>\n<tr>\n<td><b>37<b><\/td>\n<td>6.2 Markings, symbols and their locations  <\/td>\n<\/tr>\n<tr>\n<td><b>38<b><\/td>\n<td>6.3 Markings relating to the reference values and nominal ranges of use of influence quantities <br \/> 6.4 The symbols for marking instruments and accessories  <\/td>\n<\/tr>\n<tr>\n<td><b>39<b><\/td>\n<td>Table 5 \u2013 Units, quantities and SI prefixes  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>Table 6 \u2013 Symbols for marking instruments and accessories  <\/td>\n<\/tr>\n<tr>\n<td><b>47<b><\/td>\n<td>6.5 Markings and symbols for terminals <br \/> 6.5.1 Requirements for markings <br \/> 6.5.2 Earthing (grounding) terminals <br \/> 6.5.3 Measuring circuit terminals <br \/> 6.5.4 Special markings for terminals <br \/> 6.6 Instructions for use  <\/td>\n<\/tr>\n<tr>\n<td><b>48<b><\/td>\n<td>8.1 Type of test  <br \/> 8.2 Type tests <br \/> 8.3 Routine tests <br \/> 8.4 Recurrent tests  <\/td>\n<\/tr>\n<tr>\n<td><b>49<b><\/td>\n<td>8.5 Nonconformity classification <br \/> 8.6 Judgement of test results  <\/td>\n<\/tr>\n<tr>\n<td><b>50<b><\/td>\n<td>Figure A.1 \u2013 Effect of temperature  <\/td>\n<\/tr>\n<tr>\n<td><b>51<b><\/td>\n<td>Figure A.2 \u2013 Effect of temperature  <\/td>\n<\/tr>\n<tr>\n<td><b>53<b><\/td>\n<td>Figure B.1 \u2013 Relationship between ambient temperature and relative humidity  <\/td>\n<\/tr>\n<tr>\n<td><b>54<b><\/td>\n<td>C.1 Uncertainties in this standard  <br \/> C.2 Operating uncertainty  <br \/> C.2.1 General <br \/> C.2.2 Estimating absolute operating uncertainty according to type test results <br \/> Figure C.1 \u2013 Different kinds of uncertainty  <\/td>\n<\/tr>\n<tr>\n<td><b>55<b><\/td>\n<td>C.2.3 Estimating absolute operating uncertainty according to limit of intrinsic uncertainty and limit of variations due to every influence specified by this standard  <\/td>\n<\/tr>\n<tr>\n<td><b>56<b><\/td>\n<td>C.3 Overall system uncertainty  <br \/> C.4 Fiducial operating uncertainty  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Direct acting indicating analogue electrical measuring instruments and their accessories &#8211; Definitions and general requirements common to all parts<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2017<\/td>\n<td>60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":255240,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[285,2641],"product_tag":[],"class_list":{"0":"post-255237","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-220-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/255237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/255240"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=255237"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=255237"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=255237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}