海事装备
| 规格参数 | 参数值 |
|---|---|
| IMPA编码 | 372571 |
| 产品单位 | SET |
| 产品规格 | For ships constructed before May 25, 1980, weighing greater than 1,600 gross tons and for ships constructed after May 25, 1980, weighing greater than 500 gross tons. All vessels falling under this classification which sail international routes must be fitted with an echo sounding device. Electrically operated instrument that emits a sound from vessel’s submerged surface and then measures and records the time interval which passes before the echo returns. The most popular model is shown here. |
| 中文汉化 | 372571 回声测深仪 -----描述-----：适用于1980年5月25日之前建造、总吨位超过1600吨的船舶，以及1980年5月25日之后建造、总吨位超过500吨的船舶。所有属于该分类并航行国际航线的船只，必须配备回声测深仪。该设备是一种电动仪器，可从船体浸水部分发射声波，并测量和记录回声返回所需的时间间隔，从而测定水深。图中所示为最受欢迎的型号，如需更详细的信息及各类可选型号的说明书，可向当地制造商索取相关资料。 |
| IMPA版本 | 8th Edition |
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