{"id":3927,"date":"2026-03-02T06:01:34","date_gmt":"2026-03-02T06:01:34","guid":{"rendered":"https:\/\/hysfsubsea.com\/knowledge-base\/what-testing-do-you-perform-on-underwater-connectors\/"},"modified":"2026-03-02T06:43:27","modified_gmt":"2026-03-02T06:43:27","slug":"what-testing-do-you-perform-on-underwater-connectors","status":"publish","type":"knowledge-base","link":"https:\/\/hysfsubsea.com\/ja\/knowledge-base\/what-testing-do-you-perform-on-underwater-connectors\/","title":{"rendered":"What testing do you perform on underwater connectors?"},"content":{"rendered":"<h2>\u30af\u30a4\u30c3\u30af\u30a2\u30f3\u30b5\u30fc<\/h2>\n<p>HYSF performs comprehensive testing on all underwater connectors including:<\/p>\n<ul>\n<li><strong>Pressure testing:<\/strong> 1.5x rated depth for 24 hours<\/li>\n<li><strong>Electrical testing:<\/strong> Continuity, insulation resistance, hipot<\/li>\n<li><strong>Environmental testing:<\/strong> Salt spray, temperature cycling, UV exposure<\/li>\n<li><strong>Mechanical testing:<\/strong> Mating cycles, vibration, pull test<\/li>\n<li><strong>Leak detection:<\/strong> Helium mass spectrometry for critical applications<\/li>\n<\/ul>\n<p>Every connector ships with test certificates documenting all results.<\/p>\n<h2>Factory Acceptance Testing (Every Unit)<\/h2>\n<h3>Pressure Testing<\/h3>\n<table>\n<tr>\n<th>Test<\/th>\n<th>Parameters<\/th>\n<th>Acceptance Criteria<\/th>\n<\/tr>\n<tr>\n<td>Static pressure<\/td>\n<td>1.5x rated pressure, 24 hours<\/td>\n<td>No leakage, no deformation<\/td>\n<\/tr>\n<tr>\n<td>Pressure cycling<\/td>\n<td>0 to rated pressure, 100 cycles<\/td>\n<td>No leakage, stable resistance<\/td>\n<\/tr>\n<tr>\n<td>Decompression<\/td>\n<td>Rapid decompression from rated depth<\/td>\n<td>No seal failure, no damage<\/td>\n<\/tr>\n<\/table>\n<h3>Electrical Testing<\/h3>\n<table>\n<tr>\n<th>Test<\/th>\n<th>Parameters<\/th>\n<th>Acceptance Criteria<\/th>\n<\/tr>\n<tr>\n<td>Continuity<\/td>\n<td>Each contact pair<\/td>\n<td><10 m\u03a9 resistance<\/td>\n<\/tr>\n<tr>\n<td>Insulation resistance<\/td>\n<td>500V DC, contact to housing<\/td>\n<td>>1000 M\u03a9<\/td>\n<\/tr>\n<tr>\n<td>Hipot (Dielectric)<\/td>\n<td>1500V AC, 60 seconds<\/td>\n<td>No breakdown, no flashover<\/td>\n<\/tr>\n<tr>\n<td>Contact resistance stability<\/td>\n<td>After pressure test<\/td>\n<td><5% change from initial<\/td>\n<\/tr>\n<\/table>\n<h3>\u76ee\u8996\u691c\u67fb<\/h3>\n<ul>\n<li>Dimensional verification per drawing<\/li>\n<li>Surface finish inspection<\/li>\n<li>Marking and labeling verification<\/li>\n<li>O-ring and seal inspection<\/li>\n<li>Thread inspection (go\/no-go gauges)<\/li>\n<\/ul>\n<h2>Environmental Testing (Sample\/Type Testing)<\/h2>\n<h3>Corrosion Testing<\/h3>\n<table>\n<tr>\n<th>Test<\/th>\n<th>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/th>\n<th>\u671f\u9593<\/th>\n<th>Criteria<\/th>\n<\/tr>\n<tr>\n<td>Salt spray (fog)<\/td>\n<td>ASTM B117<\/td>\n<td>500-1000 hours<\/td>\n<td>No red corrosion, \u22645% surface affected<\/td>\n<\/tr>\n<tr>\n<td>Immersion<\/td>\n<td>ASTM G31<\/td>\n<td>30 days seawater<\/td>\n<td>No pitting, no cracking<\/td>\n<\/tr>\n<tr>\n<td>CASS test<\/td>\n<td>ASTM B368<\/td>\n<td>240 hours<\/td>\n<td>Coating adhesion maintained<\/td>\n<\/tr>\n<\/table>\n<h3>Temperature Testing<\/h3>\n<table>\n<tr>\n<th>Test<\/th>\n<th>Parameters<\/th>\n<th>Cycles<\/th>\n<th>Criteria<\/th>\n<\/tr>\n<tr>\n<td>Thermal cycling<\/td>\n<td>-40\u00b0C to +85\u00b0C<\/td>\n<td>50 cycles<\/td>\n<td>No cracking, stable electrical<\/td>\n<\/tr>\n<tr>\n<td>Thermal shock<\/td>\n<td>-55\u00b0C to +125\u00b0C, 5 min transfer<\/td>\n<td>10 cycles<\/td>\n<td>No damage, no leakage<\/td>\n<\/tr>\n<tr>\n<td>Low temperature<\/td>\n<td>-40\u00b0C, 24 hours<\/td>\n<td>Static<\/td>\n<td>No brittleness, seals functional<\/td>\n<\/tr>\n<tr>\n<td>High temperature<\/td>\n<td>+85\u00b0C, 24 hours<\/td>\n<td>Static<\/td>\n<td>No deformation, seals functional<\/td>\n<\/tr>\n<\/table>\n<h3>UV and Weathering<\/h3>\n<table>\n<tr>\n<th>Test<\/th>\n<th>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/th>\n<th>\u671f\u9593<\/th>\n<th>Criteria<\/th>\n<\/tr>\n<tr>\n<td>UV exposure<\/td>\n<td>ASTM G154<\/td>\n<td>1000 hours<\/td>\n<td>No cracking, color change \u22643 \u0394E<\/td>\n<\/tr>\n<tr>\n<td>Weatherometer<\/td>\n<td>ASTM G155<\/td>\n<td>2000 hours<\/td>\n<td>No degradation of properties<\/td>\n<\/tr>\n<\/table>\n<h2>Mechanical Testing<\/h2>\n<h3>Mating Cycle Testing<\/h3>\n<table>\n<tr>\n<th>\u30b3\u30cd\u30af\u30bf\u30fc\u30fb\u30bf\u30a4\u30d7<\/th>\n<th>Cycles<\/th>\n<th>\u983b\u5ea6<\/th>\n<th>Criteria<\/th>\n<\/tr>\n<tr>\n<td>Dry mate<\/td>\n<td>500 cycles<\/td>\n<td>Type test<\/td>\n<td><10% resistance change, no damage<\/td>\n<\/tr>\n<tr>\n<td>Wet mate<\/td>\n<td>200 cycles<\/td>\n<td>Type test<\/td>\n<td>No leakage, smooth operation<\/td>\n<\/tr>\n<tr>\n<td>Production sample<\/td>\n<td>50 cycles<\/td>\n<td>Per lot<\/td>\n<td>Functional verification<\/td>\n<\/tr>\n<\/table>\n<h3>Vibration Testing<\/h3>\n<table>\n<tr>\n<th>Test<\/th>\n<th>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/th>\n<th>Parameters<\/th>\n<th>Criteria<\/th>\n<\/tr>\n<tr>\n<td>Sine vibration<\/td>\n<td>MIL-STD-810<\/td>\n<td>10-2000 Hz, 10G<\/td>\n<td>No discontinuity >1\u03bcs<\/td>\n<\/tr>\n<tr>\n<td>Random vibration<\/td>\n<td>MIL-STD-810<\/td>\n<td>20-2000 Hz, 7.7 Grms<\/td>\n<td>No physical damage<\/td>\n<\/tr>\n<tr>\n<td>Shock<\/td>\n<td>MIL-STD-810<\/td>\n<td>100G, 11ms half-sine<\/td>\n<td>No damage, functional<\/td>\n<\/tr>\n<\/table>\n<h3>Cable and Strain Relief<\/h3>\n<table>\n<tr>\n<th>Test<\/th>\n<th>Parameters<\/th>\n<th>Criteria<\/th>\n<\/tr>\n<tr>\n<td>Pull test<\/td>\n<td>50 lbs (222N), 1 minute<\/td>\n<td>No movement, no damage<\/td>\n<\/tr>\n<tr>\n<td>Bend test<\/td>\n<td>10x cable diameter, 180\u00b0<\/td>\n<td>No damage at entry<\/td>\n<\/tr>\n<tr>\n<td>Torsion test<\/td>\n<td>\u00b190\u00b0, 100 cycles<\/td>\n<td>No degradation<\/td>\n<\/tr>\n<\/table>\n<h2>Advanced Testing (Optional\/Custom)<\/h2>\n<h3>Helium Leak Detection<\/h3>\n<ul>\n<li><strong>Sensitivity:<\/strong> 1\u00d710\u207b\u2079 mbar\u00b7L\/s<\/li>\n<li><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> Critical deep-sea, military, nuclear<\/li>\n<li><strong>Standard:<\/strong> MIL-STD-883 or custom<\/li>\n<\/ul>\n<h3>EMC\/EMI Testing<\/h3>\n<ul>\n<li>Electromagnetic interference susceptibility<\/li>\n<li>Radio frequency interference testing<\/li>\n<li>Electrostatic discharge (ESD) testing<\/li>\n<li>Available through certified partner labs<\/li>\n<\/ul>\n<h3>Material Analysis<\/h3>\n<ul>\n<li>XRF material verification<\/li>\n<li>Hardness testing<\/li>\n<li>Metallographic examination<\/li>\n<li>Coating thickness measurement<\/li>\n<\/ul>\n<h2>Certification and Documentation<\/h2>\n<h3>Standard Documentation (Included)<\/h3>\n<ul>\n<li>\u2713 Certificate of Conformance (CoC)<\/li>\n<li>\u2713 Pressure test report<\/li>\n<li>\u2713 Electrical test report<\/li>\n<li>\u2713 Material certificates (on request)<\/li>\n<li>\u2713 Dimensional inspection report<\/li>\n<\/ul>\n<h3>Optional Documentation<\/h3>\n<ul>\n<li>Third-party inspection reports<\/li>\n<li>Class approval certificates (DNV, ABS, LR)<\/li>\n<li>Full material traceability<\/li>\n<li>Environmental test reports<\/li>\n<li>Custom test protocols<\/li>\n<\/ul>\n<h2>Testing Facilities<\/h2>\n<p>HYSF operates in-house testing facilities including:<\/p>\n<ul>\n<li>Hyperbaric pressure chambers (up to 600 bar)<\/li>\n<li>Electrical test stations<\/li>\n<li>Environmental chambers<\/li>\n<li>Salt spray cabinets<\/li>\n<li>Mechanical test equipment<\/li>\n<\/ul>\n<p>Specialized testing is conducted through ISO 17025 accredited partner laboratories.<\/p>\n<h2>Quality Standards<\/h2>\n<ul>\n<li>ISO 9001:2015 certified manufacturing<\/li>\n<li>Testing per MIL-DTL-24308, MIL-STD-810, or customer specifications<\/li>\n<li>Full traceability from raw materials to finished product<\/li>\n<li>Calibrated equipment with NIST-traceable standards<\/li>\n<\/ul>\n<h2>\u304a\u554f\u3044\u5408\u308f\u305b<\/h2>\n<p><strong>Testing inquiries:<\/strong> <a href=\"mailto:quality@hysfsubsea.com\">quality@hysfsubsea.com<\/a><br \/>\n<strong>Technical support:<\/strong> <a href=\"mailto:tech@hysfsubsea.com\">tech@hysfsubsea.com<\/a><br \/>\n<strong>Certification requests:<\/strong> <a href=\"mailto:certs@hysfsubsea.com\">certs@hysfsubsea.com<\/a><\/p>","protected":false},"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"faq_category":[],"class_list":["post-3927","knowledge-base","type-knowledge-base","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/knowledge-base\/3927","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/knowledge-base"}],"about":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/types\/knowledge-base"}],"replies":[{"embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/comments?post=3927"}],"version-history":[{"count":0,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/knowledge-base\/3927\/revisions"}],"wp:attachment":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/media?parent=3927"}],"wp:term":[{"taxonomy":"faq_category","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/faq_category?post=3927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}