{"id":3348,"date":"2026-10-12T03:08:11","date_gmt":"2026-10-12T03:08:11","guid":{"rendered":"https:\/\/welleltron.com\/?p=3348"},"modified":"2026-10-12T03:17:46","modified_gmt":"2026-10-12T03:17:46","slug":"types-of-calibration-plates","status":"publish","type":"post","link":"https:\/\/welleltron.com\/vi\/blog\/types-of-calibration-plates\/","title":{"rendered":"Types of Calibration Plates |Selection Guide"},"content":{"rendered":"<style>.kb-table-of-content-nav.kb-table-of-content-id3348_0a721b-c2 .kb-table-of-content-wrap{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kb-table-of-content-nav.kb-table-of-content-id3348_0a721b-c2 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id3348_0a721b-c2 .kb-table-of-contents-title{font-weight:regular;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id3348_0a721b-c2 .kb-table-of-content-wrap .kb-table-of-content-list{font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}<\/style>\n\n\n<p class=\"wp-block-paragraph\">A <strong>calibration plates<\/strong> is a reference component with known or characterized properties used to evaluate the performance of a measuring instrument. In coating thickness measurement, <a href=\"https:\/\/welleltron.com\/vi\/test-equipment\/calibration-standard-plate\/hitachi-srp-4-calibration-standard\/\">calibration plates<\/a> commonly provide a known thickness value or a suitable reference surface against which gauge readings can be compared.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Calibration Plates Classification by Application and Function<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Application&nbsp;Category<\/th><th>Calibration\u00a0Plates\u00a0Type<\/th><th>Primary&nbsp;Function<\/th><th>Typical&nbsp;Applications<\/th><th>Key&nbsp;Selection&nbsp;Considerations<\/th><\/tr><tr><td>Zero-Point&nbsp;Calibration<\/td><td>Zero&nbsp;Calibration&nbsp;Plate<\/td><td>Establishes&nbsp;or&nbsp;verifies&nbsp;the&nbsp;instrument&#8217;s&nbsp;zero-point&nbsp;response<\/td><td>Routine&nbsp;checks&nbsp;before&nbsp;coating&nbsp;thickness&nbsp;measurement<\/td><td>Substrate&nbsp;material,&nbsp;substrate&nbsp;thickness,&nbsp;magnetic&nbsp;properties,&nbsp;and&nbsp;electrical&nbsp;conductivity<\/td><\/tr><tr><td>Single-Point&nbsp;Verification<\/td><td>Single-Point&nbsp;Calibration&nbsp;Plate<\/td><td>Verifies&nbsp;instrument&nbsp;readings&nbsp;at&nbsp;a&nbsp;specific&nbsp;reference&nbsp;value<\/td><td>Routine&nbsp;production&nbsp;inspection&nbsp;and&nbsp;quality&nbsp;control<\/td><td>Reference&nbsp;value,&nbsp;measurement&nbsp;range,&nbsp;and&nbsp;required&nbsp;tolerance<\/td><\/tr><tr><td>Multi-Point&nbsp;Verification<\/td><td>Multi-Point&nbsp;Calibration&nbsp;Plate<\/td><td>Evaluates&nbsp;instrument&nbsp;performance&nbsp;at&nbsp;multiple&nbsp;reference&nbsp;values<\/td><td>Laboratory&nbsp;testing,&nbsp;manufacturing,&nbsp;and&nbsp;wide-range&nbsp;coating&nbsp;inspection<\/td><td>Number&nbsp;of&nbsp;reference&nbsp;points,&nbsp;thickness&nbsp;range,&nbsp;and&nbsp;reference&nbsp;uncertainty<\/td><\/tr><tr><td>Coating&nbsp;Thickness&nbsp;Simulation<\/td><td>Calibration&nbsp;Foil&nbsp;\/&nbsp;Shim<\/td><td>Simulates&nbsp;a&nbsp;known&nbsp;coating&nbsp;thickness&nbsp;on&nbsp;a&nbsp;suitable&nbsp;substrate<\/td><td>Paint&nbsp;and&nbsp;protective&nbsp;coating&nbsp;thickness&nbsp;measurement<\/td><td>Foil&nbsp;thickness,&nbsp;substrate&nbsp;compatibility,&nbsp;flatness,&nbsp;and&nbsp;physical&nbsp;condition<\/td><\/tr><tr><td>Coating&nbsp;Thickness&nbsp;Verification<\/td><td>Coated&nbsp;Reference&nbsp;Plate<\/td><td>Provides&nbsp;a&nbsp;known&nbsp;or&nbsp;characterized&nbsp;coating&nbsp;thickness&nbsp;for&nbsp;measurement&nbsp;comparison<\/td><td>Automotive&nbsp;coatings,&nbsp;electroplating,&nbsp;and&nbsp;corrosion&nbsp;protection<\/td><td>Coating&nbsp;type,&nbsp;substrate&nbsp;material,&nbsp;reference&nbsp;value,&nbsp;and&nbsp;documentation<\/td><\/tr><tr><td>Substrate&nbsp;Compatibility&nbsp;Testing<\/td><td>Substrate&nbsp;Reference&nbsp;Plate<\/td><td>Evaluates&nbsp;the&nbsp;influence&nbsp;of&nbsp;substrate&nbsp;properties&nbsp;on&nbsp;measurement&nbsp;results<\/td><td>Measurements&nbsp;on&nbsp;steel,&nbsp;aluminum,&nbsp;copper,&nbsp;and&nbsp;other&nbsp;metals<\/td><td>Material&nbsp;properties,&nbsp;substrate&nbsp;geometry,&nbsp;and&nbsp;instrument&nbsp;measurement&nbsp;principle<\/td><\/tr><tr><td>Rough-Surface&nbsp;Inspection<\/td><td>Rough-Surface&nbsp;Reference&nbsp;Sample<\/td><td>Helps&nbsp;assess&nbsp;the&nbsp;effects&nbsp;of&nbsp;surface&nbsp;roughness&nbsp;on&nbsp;measurement&nbsp;results<\/td><td>Abrasive-blasted&nbsp;steel,&nbsp;textured&nbsp;metal,&nbsp;and&nbsp;industrial&nbsp;coatings<\/td><td>Surface&nbsp;profile,&nbsp;measurement&nbsp;procedure,&nbsp;and&nbsp;reference&nbsp;data<\/td><\/tr><tr><td>Curved-Surface&nbsp;Inspection<\/td><td>Curved-Surface&nbsp;Reference&nbsp;Sample<\/td><td>Helps&nbsp;evaluate&nbsp;measurement&nbsp;performance&nbsp;on&nbsp;curved&nbsp;surfaces<\/td><td>Pipes,&nbsp;cylindrical&nbsp;parts,&nbsp;and&nbsp;curved&nbsp;metal&nbsp;components<\/td><td>Surface\u00a0radius,\u00a0<a href=\"https:\/\/welleltron.com\/vi\/test-equipment\/etp-probe\/oxford-cmi500-etp-probe\/\">probe<\/a>\u00a0size,\u00a0and\u00a0instrument\u00a0compatibility<\/td><\/tr><tr><td>Geometric&nbsp;Measurement&nbsp;Verification<\/td><td>Stepped&nbsp;or&nbsp;Grooved&nbsp;Reference&nbsp;Standard<\/td><td>Provides&nbsp;defined&nbsp;geometric&nbsp;features&nbsp;for&nbsp;checking&nbsp;suitable&nbsp;dimensional&nbsp;measurement&nbsp;systems<\/td><td>Specialized&nbsp;dimensional&nbsp;inspection&nbsp;and&nbsp;profile&nbsp;measurement<\/td><td>Step&nbsp;height,&nbsp;groove&nbsp;dimensions,&nbsp;and&nbsp;instrument&nbsp;measurement&nbsp;capability<\/td><\/tr><tr><td>Instrument-Specific&nbsp;Calibration<\/td><td>Model-Specific&nbsp;Calibration&nbsp;Plate<\/td><td>Supports&nbsp;manufacturer-defined&nbsp;verification&nbsp;or&nbsp;adjustment&nbsp;procedures<\/td><td>Dedicated\u00a0coating\u00a0thickness\u00a0<a href=\"https:\/\/welleltron.com\/vi\/thickness-gauges\/\">gauges<\/a>\u00a0and\u00a0other\u00a0specialized\u00a0instruments<\/td><td>Exact&nbsp;instrument&nbsp;model,&nbsp;probe&nbsp;configuration,&nbsp;part&nbsp;number,&nbsp;and&nbsp;manufacturer&nbsp;specifications<\/td><\/tr><tr><td>Quality&nbsp;Assurance&nbsp;and&nbsp;Traceability<\/td><td>Certified&nbsp;or&nbsp;Calibrated&nbsp;Reference&nbsp;Standard<\/td><td>Supports&nbsp;measurement&nbsp;traceability&nbsp;through&nbsp;documented&nbsp;reference&nbsp;values&nbsp;and&nbsp;calibration&nbsp;records<\/td><td>Quality&nbsp;laboratories,&nbsp;regulated&nbsp;manufacturing,&nbsp;and&nbsp;audit&nbsp;preparation<\/td><td>Certificate&nbsp;validity,&nbsp;measurement&nbsp;uncertainty,&nbsp;traceability,&nbsp;and&nbsp;recalibration&nbsp;requirements<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Calibration Plates Classification by Substrate Material<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Substrate Material Category<\/th><th>Calibration Plates Type<\/th><th>Typical Measurement Applications<\/th><th>Compatible Measurement Methods<\/th><th>Key Characteristics and Selection Considerations<\/th><\/tr><\/thead><tbody><tr><td><strong>Steel Substrate Calibration Plate<\/strong>s<\/td><td>Steel Reference Plate \/ Coated Steel Calibration Plate<\/td><td>Paint, powder coating, and protective coating thickness measurement on steel components<\/td><td>Magnetic Induction (Fe)<\/td><td>High mechanical strength; commonly used for ferromagnetic substrates; substrate thickness and magnetic properties should match application requirements<\/td><\/tr><tr><td><strong>Stainless Steel Calibration Plate<\/strong>s<\/td><td>Stainless Steel Reference Plate<\/td><td>Coating inspection on stainless steel parts and special industrial components<\/td><td>Eddy Current or compatible methods<\/td><td>Lower magnetic response compared with carbon steel; material grade and conductivity may influence measurement results<\/td><\/tr><tr><td><strong>Aluminum Calibration Plate<\/strong>s<\/td><td>Aluminum Reference Plate \/ Coated Aluminum Standard<\/td><td>Anodizing, paint, and nonconductive coating measurement on aluminum products<\/td><td>Eddy Current (NFe)<\/td><td>Lightweight and corrosion-resistant; electrical conductivity and alloy type should be considered<\/td><\/tr><tr><td><strong>Copper Calibration Plate<\/strong>s<\/td><td>Copper Reference Plate<\/td><td>Coating measurement on copper parts, electrical components, and conductive materials<\/td><td>Eddy Current<\/td><td>High electrical conductivity; requires compatibility with the instrument&#8217;s measurement range and calibration procedure<\/td><\/tr><tr><td><strong>Brass Calibration Plate<\/strong>s<\/td><td>Brass Reference Plate<\/td><td>Industrial components, decorative coatings, and conductive metal applications<\/td><td>Eddy Current<\/td><td>Alloy composition affects conductivity; suitable reference selection is important for accurate results<\/td><\/tr><tr><td><strong>Zinc Calibration Plate<\/strong>s<\/td><td>Zinc Reference Plate \/ Galvanized Reference Standard<\/td><td>Measurement of coatings on galvanized steel and zinc-based materials<\/td><td>Magnetic Induction or Eddy Current (depending on system)<\/td><td>Useful for corrosion protection applications; requires correct substrate and coating combination<\/td><\/tr><tr><td><strong>Titanium Calibration Plate<\/strong>s<\/td><td>Titanium Reference Plate<\/td><td>Aerospace, medical, and specialized industrial coating applications<\/td><td>Eddy Current (depending on coating system)<\/td><td>Special material properties require instrument compatibility verification<\/td><\/tr><tr><td><strong>Plastic Substrate Calibration Plate<\/strong>s<\/td><td>Plastic Reference Plate \/ Polymer Standard<\/td><td>Non-metallic coating measurement and specialized applications<\/td><td>Depending on instrument technology<\/td><td>Lightweight and chemically resistant; not suitable for all coating thickness gauges<\/td><\/tr><tr><td><strong>Ceramic Substrate Calibration Plate<\/strong><\/td><td>Ceramic Reference Standard<\/td><td>Specialized coatings, electronic components, and high-temperature applications<\/td><td>Application-dependent<\/td><td>High hardness and stability; typically used for specialized measurement systems<\/td><\/tr><tr><td><strong>Glass Substrate Calibration Plate<\/strong><\/td><td>Glass Reference Plate<\/td><td>Thin-film coatings, optical coatings, and laboratory applications<\/td><td>Optical or specialized measurement methods<\/td><td>Smooth and stable surface; mainly used for precision coating analysis<\/td><\/tr><tr><td><strong>Composite Substrate Calibration Plate<\/strong><\/td><td>Composite Reference Standard<\/td><td>Advanced materials, aerospace structures, and specialized coatings<\/td><td>Application-dependent<\/td><td>Represents complex material structures; requires validated measurement procedures<\/td><\/tr><tr><td><strong>Multi-Material Calibration Plate<\/strong><\/td><td>Combination Substrate Reference Set<\/td><td>Instruments requiring verification on different substrate types<\/td><td>Multiple measurement technologies<\/td><td>Provides flexibility for different applications; each substrate must have documented reference values<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Select the Right Calibration Plate<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A practical selection process should combine functional requirements, material compatibility, surface geometry, and documentation.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Selection&nbsp;factor<\/th><th>Questions&nbsp;to&nbsp;ask<\/th><th>Why&nbsp;it&nbsp;matters<\/th><\/tr><tr><td>Function<\/td><td>Do&nbsp;you&nbsp;need&nbsp;zero&nbsp;checking,&nbsp;routine&nbsp;verification,&nbsp;or&nbsp;multi-point&nbsp;adjustment?<\/td><td>Determines&nbsp;the&nbsp;required&nbsp;reference&nbsp;configuration<\/td><\/tr><tr><td>Material<\/td><td>Is&nbsp;the&nbsp;substrate&nbsp;steel,&nbsp;aluminum,&nbsp;or&nbsp;another&nbsp;material?<\/td><td>Affects&nbsp;the&nbsp;response&nbsp;of&nbsp;magnetic&nbsp;and&nbsp;eddy-current&nbsp;gauges<\/td><\/tr><tr><td>Thickness<\/td><td>What&nbsp;is&nbsp;the&nbsp;normal&nbsp;and&nbsp;maximum&nbsp;coating&nbsp;thickness?<\/td><td>Ensures&nbsp;the&nbsp;reference&nbsp;points&nbsp;cover&nbsp;the&nbsp;intended&nbsp;range<\/td><\/tr><tr><td>Pattern<\/td><td>Is&nbsp;the&nbsp;workpiece&nbsp;smooth,&nbsp;rough,&nbsp;stepped,&nbsp;or&nbsp;curved?<\/td><td>Helps&nbsp;account&nbsp;for&nbsp;surface&nbsp;and&nbsp;geometry&nbsp;effects<\/td><\/tr><tr><td>Probe<\/td><td>Which&nbsp;probe&nbsp;and&nbsp;measurement&nbsp;mode&nbsp;are&nbsp;being&nbsp;used?<\/td><td>Determines&nbsp;physical&nbsp;and&nbsp;technical&nbsp;compatibility<\/td><\/tr><tr><td>Accuracy<\/td><td>What&nbsp;tolerance&nbsp;and&nbsp;uncertainty&nbsp;are&nbsp;acceptable?<\/td><td>Supports&nbsp;reliable&nbsp;measurement&nbsp;decisions<\/td><\/tr><tr><td>Documentation<\/td><td>Is&nbsp;a&nbsp;certificate&nbsp;or&nbsp;traceability&nbsp;evidence&nbsp;required?<\/td><td>Supports&nbsp;quality&nbsp;assurance&nbsp;and&nbsp;audit&nbsp;requirements<\/td><\/tr><tr><td>Compatibility<\/td><td>Is&nbsp;the&nbsp;plate&nbsp;approved&nbsp;for&nbsp;the&nbsp;exact&nbsp;instrument&nbsp;model?<\/td><td>Reduces&nbsp;the&nbsp;risk&nbsp;of&nbsp;unsuitable&nbsp;purchases<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Selection Process<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Define the application<\/strong>. Identify the coating type, substrate, expected thickness range, and inspection environment.<\/li>\n\n\n\n<li><strong>Confirm the instrument<\/strong>. Check the gauge model, probe, measurement principle, and manufacturer&#8217;s recommended reference standards.<\/li>\n\n\n\n<li><strong>Choose the material.<\/strong> Select a compatible substrate or foil configuration that reflects the intended measurement conditions.<\/li>\n\n\n\n<li><strong>Choose the reference points<\/strong>. Select one or more values appropriate to the required operating range and verification procedure.<\/li>\n\n\n\n<li><strong>Evaluate the surface<\/strong>. Consider whether the production surface is smooth, rough, or curved, and whether geometry-related effects need to be addressed.<\/li>\n\n\n\n<li><strong>Review documentation<\/strong>. Verify reference values, uncertainty, calibration status, identification, and traceability requirements.<\/li>\n\n\n\n<li><strong>Confirm before ordering<\/strong>. Request written compatibility confirmation when the product specifications or instrument model are unclear.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">This process helps buyers select a calibration standard based on technical requirements rather than appearance or price alone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Instrument Calibration and Calibration Procedure<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding <strong>calibration of measuring instruments<\/strong> helps users distinguish routine reference checks from a complete calibration service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In coating thickness measurement, the term <em>equipment calibration<\/em> may be used broadly to describe activities associated with maintaining measurement equipment. However, checking a gauge against a reference plate is not necessarily equivalent to a formal calibration performed by the manufacturer or a qualified calibration laboratory.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A General Calibration Procedure<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The exact calibration procedure must follow the instrument manufacturer&#8217;s instructions. A typical verification workflow includes the following steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Inspect the instrument and reference plate<\/strong>. Check the probe, connectors, reference surface, and certificate status.<\/li>\n\n\n\n<li><strong>Prepare the substrate<\/strong>. Ensure the reference substrate is clean and appropriate for the measurement method.<\/li>\n\n\n\n<li><strong>Check the zero response. <\/strong>Perform a zero check when required by the instrument&#8217;s operating procedure.<\/li>\n\n\n\n<li><strong>Measure known reference values<\/strong>. Use a suitable calibration plate or foil at the required measurement points.<\/li>\n\n\n\n<li><strong>Compare the readings<\/strong>. Evaluate the results against the documented values and applicable acceptance criteria.<\/li>\n\n\n\n<li><strong>Adjust if necessary.<\/strong> Apply adjustments only when permitted and required by the manufacturer&#8217;s instructions.<\/li>\n\n\n\n<li><strong>Record the results. <\/strong>Document the instrument identification, standard identification, readings, adjustments, and final verification outcome.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Users often search online for how to calibrated a gauge, but the grammatically correct question is \u201chow to calibrate an instrument.\u201d More importantly, the appropriate process depends on the instrument type.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What are the main types of calibration plates?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Common types include zero plates, single-point standards, multi-point reference sets, coated metal plates, and model-specific calibration accessories. They can also be classified by material, such as steel, aluminum, and plastic shims, or by surface geometry, such as flat, textured, stepped, and curved samples.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Does the material of a calibration plate affect accuracy?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. Material properties can affect the response of magnetic and eddy-current gauges. Substrate thickness, conductivity, magnetic characteristics, and surface condition should be considered when selecting a suitable reference.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Are patterned calibration plates better than flat plates?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not necessarily. Flat plates are suitable for many routine checks, while textured or curved references may be useful for specific applications. The correct design depends on the measurement method and whether the reference represents the conditions of the workpiece.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How do I choose a Hitachi CMI500 calibration plate?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Confirm the exact model and accessory identification, reference values, material, required measurement range, and documentation. Request confirmation from the manufacturer or a qualified supplier if compatibility is unclear.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can one calibration standard be used for every instrument?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Different instruments use different measurement principles and may have different substrate, probe, and reference requirements. A standard should only be used when its suitability has been established.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the difference between calibration and verification?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Calibration establishes the relationship between readings and reference values under specified conditions. Verification checks whether the instrument meets defined acceptance criteria. Adjustment changes the instrument&#8217;s response when necessary. These activities are related but not interchangeable.<\/p>","protected":false},"excerpt":{"rendered":"<p>Types of Calibration Plates | Selection Guide: Functional Materials, Patterns &#038; PCB Metrology<\/p>","protected":false},"author":1,"featured_media":1179,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"taxonomy_info":{"category":[{"value":1,"label":"Blog"}]},"featured_image_src_large":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1.jpg",744,881,false],"author_info":{"display_name":"luciasmilelove@gmail.com","author_link":"https:\/\/welleltron.com\/vi\/blog\/author\/luciasmilelovegmail-com\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"Blog","parent":0,"count":14,"filter":"raw","cat_ID":1,"category_count":14,"category_description":"Blog","cat_name":"Blog","category_nicename":"blog","category_parent":0}],"tag_info":false,"uagb_featured_image_src":{"full":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1.jpg",744,881,false],"thumbnail":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1-150x150.jpg",150,150,true],"medium":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1-253x300.jpg",253,300,true],"medium_large":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1.jpg",744,881,false],"large":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1.jpg",744,881,false],"1536x1536":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1.jpg",744,881,false],"2048x2048":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1.jpg",744,881,false],"trp-custom-language-flag":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1.jpg",10,12,false],"woocommerce_thumbnail":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1-300x300.jpg",300,300,true],"woocommerce_single":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1-600x710.jpg",600,710,true],"woocommerce_gallery_thumbnail":["https:\/\/welleltron.com\/wp-content\/uploads\/2025\/12\/Calibration-Standard_1-100x100.jpg",100,100,true]},"uagb_author_info":{"display_name":"luciasmilelove@gmail.com","author_link":"https:\/\/welleltron.com\/vi\/blog\/author\/luciasmilelovegmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Types of Calibration Plates | Selection Guide: Functional Materials, Patterns & PCB Metrology","_links":{"self":[{"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/posts\/3348","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/comments?post=3348"}],"version-history":[{"count":1,"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/posts\/3348\/revisions"}],"predecessor-version":[{"id":3350,"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/posts\/3348\/revisions\/3350"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/media\/1179"}],"wp:attachment":[{"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/media?parent=3348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/categories?post=3348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/welleltron.com\/vi\/wp-json\/wp\/v2\/tags?post=3348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}