| 摘要 |
<p>PROBLEM TO BE SOLVED: To perform a seal test of a take-out part of a signal cable without using a water pressure resistant testing machine, relating to a submarine seismometer. SOLUTION: In a cable head 6 of a seismometer main body, a water pressure resistant test chamber 19 is formed between a cable seal case 13 and a cable head lid 14, and high-pressure water is injected into the test chamber 19 through a high pressure pump connection port 15, so that, seal test for a take-out part of a signal cable 7 is performed.</p> |
