{"id":6060,"date":"2026-09-01T14:09:23","date_gmt":"2026-09-01T05:09:23","guid":{"rendered":"https:\/\/www.aem.imr.tohoku.ac.jp\/?page_id=6060"},"modified":"2026-09-01T14:09:23","modified_gmt":"2026-09-01T05:09:23","slug":"specimen-heating-holder-em-shh4-em-shth-heater-control-unit-em-shu2","status":"publish","type":"page","link":"https:\/\/www.aem.imr.tohoku.ac.jp\/en\/specimen-heating-holder-em-shh4-em-shth-heater-control-unit-em-shu2\/","title":{"rendered":"Specimen Heating Holder EM-SHH(4) \/ EM-SHTH (Heater Control Unit EM-SHU2)"},"content":{"rendered":"<p><em>*Note: This page was translated by AI from the Japanese original. In case of any discrepancy, the Japanese version shall prevail.*<\/em><\/p>\n<div class=\"equipment-header\" style=\"text-align: center; margin-bottom: 2em;\">\n  <img decoding=\"async\" class=\"aligncenter size-medium\" src=\"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-content\/uploads\/2023\/11\/20231102_130951-1024x768.jpg\" alt=\"Specimen heating holder appearance\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1);\" \/>\n<\/div>\n<h2 style=\"border-bottom: 2px solid #0056b3; padding-bottom: 6px; margin-top: 1.5em; color: #0056b3;\">Overview<\/h2>\n<div style=\"line-height: 1.8; font-size: 1.05em;\">\n<p>JEOL specimen heating holders come in two variants: the single-axis-tilt <strong>EM-SHH(4)<\/strong> and the dual-axis-tilt <strong>EM-SHTH<\/strong>. Both are used together with a common <strong>Heater Control Unit EM-SHU2<\/strong> on the <a href=\"https:\/\/www.aem.imr.tohoku.ac.jp\/en\/2000exii\/\">JEM-2000EXII<\/a> transmission electron microscope (side-entry goniometer). They allow a specimen to be heated and tilted simultaneously, and are used for in-situ TEM observation of temperature-dependent dynamic processes such as phase transformation, precipitation, and grain growth.<\/p>\n<p><strong>At our facility, the dual-axis EM-SHTH is used routinely<\/strong> (maximum heating temperature approximately 800&deg;C). When the single-axis EM-SHH(4) is used, please operate it exactly as described in the manual below (the manual&#8217;s rated maximum heating temperature is room temperature to 1,000&deg;C).<\/p>\n<\/div>\n<h2 style=\"border-bottom: 2px solid #0056b3; padding-bottom: 6px; margin-top: 1.5em; color: #0056b3;\">Features<\/h2>\n<ul style=\"line-height: 1.8; padding-left: 1.2em;\">\n<li style=\"margin-bottom: 0.8em;\"><strong>Simultaneous Heating and Tilting:<\/strong> Combined with the side-entry goniometer, the holder enables TEM observation of a specimen while it is heated and tilted.<\/li>\n<li style=\"margin-bottom: 0.8em;\"><strong>One Common Controller for Both Holders:<\/strong> The Heater Control Unit EM-SHU2 includes temperature conversion curves for both the EM-SHH(4) and EM-SHTH thermocouples, so a single unit can control the heating current and measure the temperature for either holder.<\/li>\n<li style=\"margin-bottom: 0.8em;\"><strong>Routine Use of the Dual-Axis EM-SHTH:<\/strong> Offers greater tilt freedom for more flexible crystal-orientation setup. Maximum heating temperature is approximately 800&deg;C.<\/li>\n<li style=\"margin-bottom: 0.8em;\"><strong>Specimen Exchange with Dedicated Tools:<\/strong> Grid\/mesh specimens are loaded into and removed from the specimen holder tip using the dedicated specimen exchange stands and tools (A\/B).<\/li>\n<\/ul>\n<h2 style=\"border-bottom: 2px solid #0056b3; padding-bottom: 6px; margin-top: 1.5em; color: #0056b3;\">Facility-Specific Notes (Holder Types and Temperature Conversion)<\/h2>\n<div style=\"background-color: #fff9e6; border-left: 4px solid #ff9800; padding: 10px 14px; margin: 1em 0; border-radius: 4px; font-size: 0.95em; line-height: 1.7;\">\n  <strong style=\"color: #d97706;\">[Holder Types]<\/strong> Our facility has two types of specimen heating holder: the single-axis-tilt <strong>EM-SHH(4)<\/strong> and the dual-axis-tilt <strong>EM-SHTH<\/strong>. <strong>The dual-axis EM-SHTH is used routinely.<\/strong> When the single-axis EM-SHH(4) is used, the procedures in the manual below apply as written.<\/p>\n<p>  <strong style=\"color: #d97706;\">[Temperature Conversion]<\/strong> The Heater Control Unit EM-SHU2 supports both holders, and its temperature conversion chart includes two curves: one for EM-SHH (Pt&ndash;Pt&middot;Rh(13%) thermocouple, room temperature to roughly 1,050&deg;C) and one for EM-SHTH (W&middot;Re(5%)&ndash;W&middot;Re(26%) thermocouple, room temperature to roughly 800&deg;C). For the dual-axis EM-SHTH used routinely, <strong>use the EM-SHTH conversion curve<\/strong> (maximum heating temperature approximately 800&deg;C, consistent with the <a href=\"https:\/\/www.aem.imr.tohoku.ac.jp\/en\/2000exii\/\">JEM-2000EXII introduction page<\/a>).<\/p>\n<p>  For how to identify which holder is in use, and for more detailed handling instructions, please contact the staff (equipment manager).\n<\/p><\/div>\n<h2 style=\"border-bottom: 2px solid #0056b3; padding-bottom: 6px; margin-top: 1.5em; color: #0056b3;\">Specifications<\/h2>\n<div style=\"background-color: #fff9e6; border-left: 4px solid #ff9800; padding: 10px 14px; margin: 1em 0; border-radius: 4px; font-size: 0.95em; line-height: 1.6;\">\n  <strong style=\"color: #d97706;\">[Specification Notice]<\/strong><br \/>\n  Actual equipment configurations or specifications may differ from standard manual specifications (see &#8220;Facility-Specific Notes&#8221; above). Please consult the staff (equipment manager) for details regarding current capabilities and conditions of use.\n<\/div>\n<table style=\"width: 100%; border-collapse: collapse; margin-top: 1em; font-size: 0.95em;\">\n<tbody>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Manufacturer<\/th>\n<td style=\"padding: 10px;\">JEOL Ltd.<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Model<\/th>\n<td style=\"padding: 10px;\">Specimen Heating Holder EM-SHH(4) (single-axis tilt) \/ EM-SHTH (dual-axis tilt, used routinely), with common Heater Control Unit EM-SHU2<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Compatible Microscope<\/th>\n<td style=\"padding: 10px;\"><a href=\"https:\/\/www.aem.imr.tohoku.ac.jp\/en\/2000exii\/\">JEM-2000EXII<\/a> (side-entry goniometer)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Heating Temperature<\/th>\n<td style=\"padding: 10px;\">EM-SHTH (dual-axis, routine use): room temperature to approx. 800&deg;C \/ EM-SHH(4) (single-axis): room temperature to 1,000&deg;C (both are manual-specified approximate values)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Maximum Heating Current<\/th>\n<td style=\"padding: 10px;\">1.2 A (per the EM-SHH(4) manual)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Specimen Tilt<\/th>\n<td style=\"padding: 10px;\">EM-SHTH: dual-axis tilt (routine use) \/ EM-SHH(4): single-axis tilt, &plusmn;45&deg;<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Specimen Tilt Speed<\/th>\n<td style=\"padding: 10px;\">9&ndash;90&deg;\/min (per the EM-SHH(4) manual)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Number of Specimens<\/th>\n<td style=\"padding: 10px;\">1 (grid\/mesh, dedicated to the heating holder)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Field of View<\/th>\n<td style=\"padding: 10px;\">1.4&ndash;2.0 mm&phi;<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">EM-SHU2 Input<\/th>\n<td style=\"padding: 10px;\">DC 24V, 4A (switching-regulator type power supplies cannot be used)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">EM-SHU2 Output<\/th>\n<td style=\"padding: 10px;\">0&ndash;20 V, 0&ndash;2 A<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Temperature Measurement<\/th>\n<td style=\"padding: 10px;\">Direct-reading of thermocouple thermoelectromotive force (using separate EM-SHH and EM-SHTH conversion curves as appropriate)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Funding Source \/ Origin<\/th>\n<td style=\"padding: 10px;\">Transferred from the former Million-Volt Electron Microscope Laboratory (now TCEM)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<th style=\"width: 28%; padding: 10px; background-color: #f8f9fa; text-align: left; font-weight: bold; border-right: 1px solid #e0e0e0;\">Location<\/th>\n<td style=\"padding: 10px;\">1-105<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"border-bottom: 2px solid #0056b3; padding-bottom: 6px; margin-top: 1.5em; color: #0056b3;\">Manual \/ Usage Information<\/h2>\n<div style=\"background-color: #f0f7ff; border-left: 4px solid #0056b3; padding: 12px 16px; margin-top: 1em; border-radius: 4px; line-height: 1.7;\">\n<p style=\"margin: 0;\"><strong>[Manual (Internal Use Only)]<\/strong><br \/>&#x1f4c4; <a href=\"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-content\/uploads\/2026\/09\/JEOL_EM-SHH4_Heating_Holder_EM-SHU2_Heater_Control_Unit_Manual.pdf\" class=\"mtli_attachment mtli_pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Specimen Heating Holder EM-SHH4 \/ Heater Control Unit EM-SHU2 Instruction Manual (PDF, internal use only)<\/a><br \/><span style=\"font-size: 0.9em; color: #555;\">*This manual covers the single-axis EM-SHH4 and the Heater Control Unit EM-SHU2. The EM-SHU2 is also used in common with the dual-axis EM-SHTH, and its temperature conversion chart at the end also includes the EM-SHTH curve. For detailed handling of the dual-axis holder used routinely, please contact the staff (equipment manager).<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>*Note: This page was translated by AI from the Japanese original. In case of any discrepancy, the Japanese version shall prevail.* Overview JEOL specimen heating holders come in two variants: the single-axis-tilt EM-SHH(4) and the dual-axis-tilt EM-SHTH. Both are used together with a common Heater Control Unit EM-SHU2 on the JEM-2000EXII transmission electron microscope (side-entry <a href=\"https:\/\/www.aem.imr.tohoku.ac.jp\/en\/specimen-heating-holder-em-shh4-em-shth-heater-control-unit-em-shu2\/\" class=\"more-link\">&#8230;<span class=\"screen-reader-text\">  Specimen Heating Holder EM-SHH(4) \/ EM-SHTH (Heater Control Unit EM-SHU2)<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"en_US","_original_post":"6058","footnotes":""},"class_list":["post-6060","page","type-page","status-publish","hentry","en-US"],"_links":{"self":[{"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/pages\/6060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/comments?post=6060"}],"version-history":[{"count":2,"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/pages\/6060\/revisions"}],"predecessor-version":[{"id":6063,"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/pages\/6060\/revisions\/6063"}],"wp:attachment":[{"href":"https:\/\/www.aem.imr.tohoku.ac.jp\/wp-json\/wp\/v2\/media?parent=6060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}