{"id":19523,"date":"2026-07-16T10:57:41","date_gmt":"2026-07-16T10:57:41","guid":{"rendered":"https:\/\/schnettler-technologies.de\/produkt\/zehntner-zht-2093-hardness-test-pencil-with-rubber-guide-wheels-alternativ-etwas-natuerlicher\/"},"modified":"2026-07-16T14:10:33","modified_gmt":"2026-07-16T14:10:33","slug":"zehntner-zht-2093-hardness-test-pencil-with-rubber-guide-wheels","status":"publish","type":"dt_portfolio","link":"https:\/\/schnettler-technologies.de\/en\/produkt\/zehntner-zht-2093-hardness-test-pencil-with-rubber-guide-wheels\/","title":{"rendered":"Zehntner ZHT 2093 \u2013 Hardness Test Pencil with Rubber Guide Wheels"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css=&#8221;.vc_custom_1522939928602{margin-top: -40px !important;margin-bottom: 4% !important;}&#8221;][vc_column]<div id=\"ultimate-heading-47546a65a8c84b785\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-47546a65a8c84b785 uvc-7977  uvc-heading-default-font-sizes\" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-47546a65a8c84b785 h1'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h1 style=\"--font-weight:theme;margin-bottom:1%;\">Zehntner ZHT 2093 \u2013 Hardness Test Pencil with Rubber Guide Wheels<\/h1><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1773329367557{margin-top: 10px !important;margin-bottom: -5px !important;}&#8221; el_class=&#8221;bread&#8221;]<\/p>\n<p style=\"text-align:center;\"><a href=\"https:\/\/schnettler-technologies.de\/en\/\">Home<\/a> \/ <a href=\"https:\/\/schnettler-technologies.de\/en\/products\/\">Products<\/a> \/ <a href=\"https:\/\/schnettler-technologies.de\/en\/hardness-scratch-testers\/\">Hardness &amp; Scratch Testers<\/a> \/ Zehntner ZHT 2093 Hardness Test Pencil with Rubber Guide Wheels<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<p>[vc_row content_placement=&#8221;middle&#8221; type=&#8221;vc_default&#8221; css=&#8221;.vc_custom_1771834923104{margin-bottom: 4% !important;}&#8221;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1522939836326{margin-top: 2% !important;}&#8221;][vc_single_image image=&#8221;19276&#8243; img_size=&#8221;400&#215;400&#8243; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1773329427836{border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;padding-top: 3% !important;padding-bottom: 3% !important;border-left-style: solid !important;border-right-style: solid !important;border-top-style: solid !important;border-bottom-style: solid !important;border-radius: 1px !important;border-color: #cccccc !important;}&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1522827674320{margin-bottom: 30px !important;}&#8221;][vc_column_text]<\/p>\n<h3>Zehntner ZHT 2093 \u2013 Hardness Test Pencil with Rubber Guide Wheels<\/h3>\n<p>Category: Hardness &amp; Scratch Testers<br \/>\nManufacturer: Proceq \/ Zehntner<br \/>\nArticle number: 43050200 \/ ZHT 2093<br \/>\n[\/vc_column_text]<\/p>\n<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">#default-btn-3455b4e9fddf9f204c8111f16e588f14.ico-right-side > i {\n  margin-right: 0px;\n  margin-left: 8px;\n}\n#default-btn-3455b4e9fddf9f204c8111f16e588f14 > i {\n  margin-right: 8px;\n}<\/style><a href=\"https:\/\/schnettler-technologies.de\/en\/contact\/\" class=\"default-btn-shortcode dt-btn fadeIn animate-element animation-builder link-hover-off \" id=\"default-btn-3455b4e9fddf9f204c8111f16e588f14\"><i class=\"fa fa-chevron-circle-right\"><\/i><span>&nbsp; CONTACT US.<\/span><\/a>\n<p>[vc_column_text css=&#8221;.vc_custom_zht2093_usage{margin-top: 20px !important;}&#8221;]<br \/>\n<strong>Application:<\/strong><br \/>\nThe Zehntner ZHT 2093 is a compact hardness test pencil for determining the scratch and mar resistance of coatings on flat and curved surfaces. The integrated rubber guide wheels support uniform instrument guidance and help prevent accidental damage to sensitive surfaces.<br \/>\n[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<p>[vc_row css=&#8221;.vc_custom_1522831266196{margin-bottom: 4% !important;}&#8221;][vc_column]<div class=\"hr-thin style-line\" style=\"width: 100%;border-top-width: 1px;\"><\/div>[\/vc_column][\/vc_row]<\/p>\n<p>[vc_row content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1771835170948{margin-top: -30px !important;margin-bottom: 60px !important;}&#8221;][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text]<\/p>\n<h2>Scratch-hardness testing with an adjustable test force<\/h2>\n<p>Scratch-hardness testing determines the force required to produce a visible scratch or mar on a coated surface. The test force is adjusted using a compression spring. Three color-coded springs cover different force ranges up to 20 N.<\/p>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-arrow bullet-top\"><ul>\n<li><strong>Testing of flat and curved surfaces<\/strong><\/li>\n<li><strong>Three force ranges<\/strong> of 0\u20133 N, 0\u201310 N and 0\u201320 N<\/li>\n<li><strong>Adjustable test force<\/strong> using interchangeable compression springs<\/li>\n<li><strong>Color coding<\/strong> for quick identification of the force range<\/li>\n<li><strong>Rubber guide wheels<\/strong> for controlled instrument guidance<\/li>\n<li><strong>Interchangeable test tips<\/strong> for different testing tasks<\/li>\n<li><strong>Compact design<\/strong> for laboratories, production and mobile inspections<\/li>\n<\/ul>\n<\/div>\n<p>[vc_column_text]<\/p>\n<h3>Function of the rubber guide wheels<\/h3>\n<p>The guide wheels stabilize the hardness test pencil during movement and support consistent positioning of the test tip. Their soft running surfaces also reduce the risk of damaging sensitive areas outside the actual test track.<\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/vc_row]<\/p>\n<p>[vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; bg_type=&#8221;bg_color&#8221; bg_color_value=&#8221;#F0F0F0&#8243; css=&#8221;.vc_custom_zht2093_applications{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Typical applications<\/h2>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-arrow bullet-top\"><ul>\n<li>Scratch-hardness testing of paints and varnishes<\/li>\n<li>Quality control of coated components<\/li>\n<li>Testing painted plastic and metal surfaces<\/li>\n<li>Furniture and wood coatings<\/li>\n<li>Automotive and supplier industries<\/li>\n<li>Laboratory testing and production-related inspections<\/li>\n<\/ul>\n<\/div>[\/vc_column]<\/p>\n<p>[vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Suitable test surfaces<\/h2>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-arrow bullet-top\"><ul>\n<li>smooth, flat surfaces<\/li>\n<li>curved or slightly convex components<\/li>\n<li>painted metal surfaces<\/li>\n<li>coated plastics<\/li>\n<li>wood and furniture surfaces<\/li>\n<li>different single- and multi-coat systems<\/li>\n<\/ul>\n<\/div>\n<p>[vc_column_text]<\/p>\n<p style=\"margin-bottom:0;\"><em>Note:<\/em> The appropriate test tip and force range depend on the coating, substrate and applicable test procedure.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<p>[vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_zht2093_operation{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Operation<\/h2>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-number-list bullet-top\"><ol>\n<li>Select a suitable compression spring for the expected hardness range.<\/li>\n<li>Insert the appropriate test tip and inspect it for cleanliness and damage.<\/li>\n<li>Set the spring preload to the required value using the clamping screw.<\/li>\n<li>Place the hardness test pencil on the test surface using the guide wheels.<\/li>\n<li>Press the test tip against the surface using the selected spring force.<\/li>\n<li>Draw a straight test track of approximately 10 mm within about one second.<\/li>\n<li>Repeat the test with an adjusted force until the defined evaluation criterion is reached.<\/li>\n<li>Read the selected force from the scale and document the result.<\/li>\n<li>Return the spring preload to zero after testing.<\/li>\n<\/ol>\n<\/div>[\/vc_column]<\/p>\n<p>[vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Notes for reproducible testing<\/h2>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-arrow bullet-top\"><ul>\n<li>Clean the test surface before testing<\/li>\n<li>position the test tip vertically and securely<\/li>\n<li>move the instrument at a uniform speed<\/li>\n<li>keep the test distance and test duration as constant as possible<\/li>\n<li>regularly inspect the test tip for wear<\/li>\n<li>evaluate the result in accordance with the specified test procedure<\/li>\n<li>perform several tests at different positions<\/li>\n<\/ul>\n<\/div>[\/vc_column][\/vc_row]<\/p>\n<p>[vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; bg_type=&#8221;bg_color&#8221; bg_color_value=&#8221;#F0F0F0&#8243; css=&#8221;.vc_custom_zht2093_delivery{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Standard delivery<\/h2>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-arrow bullet-top\"><ul>\n<li><strong>43050200 \/ ZHT 2093:<\/strong> hardness test pencil with rubber guide wheels<\/li>\n<li>0.75 mm Bosch test tip<\/li>\n<li>three compression springs with different force ranges<\/li>\n<li>manufacturer\u2019s certificate<\/li>\n<li>carrying case<\/li>\n<\/ul>\n<\/div>[\/vc_column]<\/p>\n<p>[vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Test tips and options<\/h2>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-arrow bullet-top\"><ul>\n<li><strong>43010915 \/ ACC107:<\/strong> 1.0 mm test tip, based on ISO 1518<\/li>\n<li><strong>43010916 \/ ACC108:<\/strong> 0.5 mm van Laar test tip<\/li>\n<li><strong>43010929 \/ ACC1287:<\/strong> adapter for scratch-hardness and mar-resistance testing on the ZAA 2600 platform<\/li>\n<li><strong>ACC112:<\/strong> hand carriage for supported and uniform instrument guidance<\/li>\n<\/ul>\n<\/div>[\/vc_column][\/vc_row]<\/p>\n<p>[vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_zht2093_forces{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_column][vc_column_text]<\/p>\n<h2>Compression-spring force ranges<\/h2>\n<p>The supplied compression springs are color-coded and cover three force ranges. For the most precise adjustment, select the spring with a measuring range as close as possible to the expected test value.<\/p>\n<p>[\/vc_column_text]<\/p>\n<p>[vc_row_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_column_text]<\/p>\n<div style=\"border:1px solid #e1e1e1;padding:20px;border-radius:4px;background:#ffffff;\">\n<h3 style=\"margin-top:0;\">White spring<\/h3>\n<p><strong>Force range:<\/strong><br \/>0\u20133 N<\/p>\n<p style=\"margin-bottom:0;\"><strong>Scale graduation according to the manufacturer:<\/strong><br \/>10 g<\/p>\n<\/div>\n<p>[\/vc_column_text][\/vc_column_inner]<\/p>\n<p>[vc_column_inner width=&#8221;1\/3&#8243;][vc_column_text]<\/p>\n<div style=\"border:1px solid #e1e1e1;padding:20px;border-radius:4px;background:#ffffff;\">\n<h3 style=\"margin-top:0;\">Blue spring<\/h3>\n<p><strong>Force range:<\/strong><br \/>0\u201310 N<\/p>\n<p style=\"margin-bottom:0;\"><strong>Scale graduation according to the manufacturer:<\/strong><br \/>50 g<\/p>\n<\/div>\n<p>[\/vc_column_text][\/vc_column_inner]<\/p>\n<p>[vc_column_inner width=&#8221;1\/3&#8243;][vc_column_text]<\/p>\n<div style=\"border:1px solid #e1e1e1;padding:20px;border-radius:4px;background:#ffffff;\">\n<h3 style=\"margin-top:0;\">Red spring<\/h3>\n<p><strong>Force range:<\/strong><br \/>0\u201320 N<\/p>\n<p style=\"margin-bottom:0;\"><strong>Scale graduation according to the manufacturer:<\/strong><br \/>100 g<\/p>\n<\/div>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]<\/p>\n<p>[vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; bg_type=&#8221;bg_color&#8221; bg_color_value=&#8221;#F0F0F0&#8243; css=&#8221;.vc_custom_zht2093_technical{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_column]<div class=\"standard-arrow bullet-top\"><h2>Technical data<\/h2>\n<ul>\n<li><strong>Dimensions:<\/strong> 170 mm \u00d7 \u00d8 15 mm<\/li>\n<li><strong>Weight:<\/strong> approx. 73 g<\/li>\n<li><strong>Maximum force range:<\/strong> 20 N<\/li>\n<li><strong>Standard test tip:<\/strong> 0.75 mm Bosch version<\/li>\n<li><strong>Additional test tips:<\/strong> optional 0.5 mm and 1.0 mm versions<\/li>\n<li><strong>Guidance:<\/strong> integrated rubber guide wheels<\/li>\n<\/ul>\n<h2 style=\"margin-top:35px;\">Standards and test procedures<\/h2>\n<ul>\n<li>DIN 55656<\/li>\n<li>DIN SPEC 91064<\/li>\n<li>based on ISO 1518 when using the appropriate test tip<\/li>\n<\/ul>\n<\/div>[\/vc_column][\/vc_row]<\/p>\n<p>[vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_zht2093_selection{padding-top: 50px !important;padding-bottom: 50px !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Selecting the spring and test tip<\/h2>\n<p>The expected hardness range, coating type and applicable test procedure are the main configuration criteria.<\/p>\n<p>[\/vc_column_text]<\/p>\n<div class=\"standard-arrow bullet-top\"><ul>\n<li><strong>Force range:<\/strong> select a spring as close as possible to the expected test value<\/li>\n<li><strong>Test tip:<\/strong> determine the required diameter and geometry according to the test procedure<\/li>\n<li><strong>Surface:<\/strong> consider whether it is flat, curved, sensitive or textured<\/li>\n<li><strong>Substrate:<\/strong> consider its hardness and deformability<\/li>\n<li><strong>Evaluation:<\/strong> define the relevant visible mark or penetration criterion<\/li>\n<\/ul>\n<\/div>[\/vc_column]<\/p>\n<p>[vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h2>Hardness and scratch testers<\/h2>\n<p>Further instruments are available for pencil-hardness, scratch-hardness and mar-resistance testing, depending on the test method, force range and surface geometry.<\/p>\n<p>[\/vc_column_text]<\/p>\n<p><style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">#default-btn-a241010c8121993881d8af82bf4c13c5.ico-right-side > i {\n  margin-right: 0px;\n  margin-left: 8px;\n}\n#default-btn-a241010c8121993881d8af82bf4c13c5 > i {\n  margin-right: 8px;\n}<\/style><a href=\"https:\/\/schnettler-technologies.de\/en\/hardness-scratch-testers\/\" class=\"default-btn-shortcode dt-btn fadeIn animate-element animation-builder link-hover-off \" id=\"default-btn-a241010c8121993881d8af82bf4c13c5\"><i class=\"fa fa-chevron-circle-right\"><\/i><span>VIEW FURTHER HARDNESS TESTERS<\/span><\/a><br \/>\n[\/vc_column][\/vc_row]<\/p>\n<p>[vc_row full_width=&#8221;stretch_row_content&#8221; bg_type=&#8221;bg_color&#8221; bg_override=&#8221;full&#8221; bg_color_value=&#8221;#e10718&#8243; css=&#8221;.vc_custom_1603360334374{margin-bottom: -70px !important;border-bottom-width: 2px !important;border-bottom-color: #ffffff !important;border-bottom-style: solid !important;}&#8221;][vc_column][vc_row_inner css=&#8221;.vc_custom_1523559358712{margin-top: 20px !important;margin-bottom: 60px !important;}&#8221;][vc_column_inner]<div id=\"ultimate-heading-89086a65a8c84c21e\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-89086a65a8c84c21e uvc-7804  uvc-heading-default-font-sizes\" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-89086a65a8c84c21e h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"--font-weight:theme;color:#ffffff;margin-bottom:20px;\">Do you have a question about this product?<\/h2><\/div><div class=\"uvc-sub-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-89086a65a8c84c21e .uvc-sub-heading '  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  style=\"font-weight:normal;color:#ffffff;margin-bottom:20px;\">Tell us the coating, substrate, expected force range and applicable test procedure. We will recommend the appropriate spring, test tip and instrument configuration.<\/div><\/div>[vc_btn title=&#8221;Contact&#8221; color=&#8221;white&#8221; align=&#8221;center&#8221; i_icon_fontawesome=&#8221;fa fa-envelope-open-o&#8221; css=&#8221;.vc_custom_1523559646078{margin-bottom: -10px !important;}&#8221; add_icon=&#8221;true&#8221; link=&#8221;url:mailto%3Ainfo%40schnettler-technologies.de|||&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row css=&#8221;.vc_custom_1522939928602{margin-top: -40px !important;margin-bottom: 4% !important;}&#8221;][vc_column][vc_column_text css=&#8221;.vc_custom_1773329367557{margin-top: 10px !important;margin-bottom: -5px !important;}&#8221; el_class=&#8221;bread&#8221;] Home \/ Products \/ Hardness &amp; Scratch Testers \/ Zehntner ZHT 2093 Hardness Test Pencil with Rubber Guide Wheels [\/vc_column_text][\/vc_column][\/vc_row] [vc_row content_placement=&#8221;middle&#8221; type=&#8221;vc_default&#8221; css=&#8221;.vc_custom_1771834923104{margin-bottom: 4% !important;}&#8221;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1522939836326{margin-top: 2% !important;}&#8221;][vc_single_image image=&#8221;19276&#8243; img_size=&#8221;400&#215;400&#8243; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1773329427836{border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;padding-top: 3%&hellip;<\/p>\n","protected":false},"author":2,"featured_media":19276,"comment_status":"closed","ping_status":"closed","template":"","dt_portfolio_category":[142],"dt_portfolio_tags":[],"class_list":["post-19523","dt_portfolio","type-dt_portfolio","status-publish","has-post-thumbnail","hentry","dt_portfolio_category-hardness-test-pencils","dt_portfolio_category-142","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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