{"id":694,"date":"2026-03-04T12:02:26","date_gmt":"2026-03-04T12:02:26","guid":{"rendered":"https:\/\/smartphat.com\/?post_type=product&#038;p=694"},"modified":"2026-05-19T14:39:34","modified_gmt":"2026-05-19T07:39:34","slug":"gehman-stiffness-tester","status":"publish","type":"product","link":"https:\/\/smartphat.com\/en\/gehman-stiffness-tester\/","title":{"rendered":"GEHMAN STIFFNESS TESTER  | 145-G"},"content":{"rendered":"<h3><b>Specification<\/b><\/h3>\n<p>&nbsp;<\/p>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;\">\n<table style=\"min-width: 600px; border-collapse: collapse; display: table !important; width: 100%; font-family: sans-serif; font-size: 14px;\">\n<thead>\n<tr style=\"display: table-row !important; background-color: #f8f9fa;\">\n<th style=\"display: table-cell !important; border: 1px solid #ddd; padding: 12px; font-weight: 600; text-align: left; min-width: 250px;\">Specification<\/th>\n<th style=\"display: table-cell !important; border: 1px solid #ddd; padding: 12px; font-weight: 600; text-align: left;\">Details<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Hangings<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">4 Hangings<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Specimen<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">Length 40.0 \u00b1 2.5 mm \u00d7 Width 3.0 \u00b1 0.2 mm \u00d7 Thickness 2.0 \u00b1 0.2 mm<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Torsion Wire<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; line-height: 1.4;\">Length: 65 \u00b1 8 mm<br \/>\n<strong>Torsional Constant:<\/strong><br \/>\n\u2022 2.81 mN\u00b7m\/rad <span style=\"font-size: 12px; color: #666;\">(Standard Wire)<\/span><br \/>\n\u2022 0.70 mN\u00b7m\/rad, 11.24 mN\u00b7m\/rad<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Chuck Distance<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">25 \u00b1 3 mm<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Torsion Angle Measurement<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">Rotary Encoder \u00a0|\u00a0 <strong>Detection:<\/strong> 0.1\u00b0<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Temperature Range<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">-70 to 30 \u00b0C <span style=\"font-size: 12px; color: #666;\">(Refrigerator &amp; Refrigeration Medium)<\/span><\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Refrigeration Medium Amount<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">Approx. 8 L<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Temperature Rise<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">5 \u00b0C interval <span style=\"font-size: 12px; color: #666;\">(Condition Controlling Time: 5 min)<\/span><\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Software<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">Windows Compatible<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Accessories<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">Specimen Setting Jig, Specimen Cutter, Torsion Wire Jig (1 pc each)<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Power Source<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">AC 200 V, 3-Phase, 20 A, 50\/60 Hz<\/td>\n<\/tr>\n<tr style=\"display: table-row !important;\">\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px; font-weight: 600; background-color: #fdfdfd;\">Dimensions \/ Weight (Approx.)<\/td>\n<td style=\"display: table-cell !important; border: 1px solid #ddd; padding: 10px;\">W720 \u00d7 D950 \u00d7 H1,900 mm, 270 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The Geschmann hardness tester for vulcanized or thermoplastic rubber is used to determine the relative hardness of vulcanized or thermoplastic rubber. The tester records the twist angle of the test piece after twisting it 180 degrees for 10 seconds. This step is performed from 23 degrees Celsius up to the minimum test temperature, allowing the temperatures (T2, T5, T10, and T100) with modulus values \u200b\u200bof 2, 5, 10, and 100 to be determined from the temperature-angle graph.<\/p>","protected":false},"featured_media":1861,"template":"","meta":[],"product_brand":[17],"product_cat":[16],"product_tag":[48,19,20],"class_list":["post-694","product","type-product","status-publish","has-post-thumbnail","product_brand-yasuda-seiki","product_cat-tester","product_tag-48","product_tag-plastic","product_tag-rubber","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/product\/694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/media\/1861"}],"wp:attachment":[{"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/media?parent=694"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/product_brand?post=694"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/product_cat?post=694"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/smartphat.com\/en\/wp-json\/wp\/v2\/product_tag?post=694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}