磁罗经放大镜 Magnifying Glass of Magnetic Compass
磁罗经放大镜按照 CB 334-1988《船用磁罗放大镜技术条件》所生产制造的,,适用于船舶上与操舵罗经配套使用。之余罗经度盘上,放大罗经分度度数,镜像清晰不变形。
Magnifying glass of magnetic compass is manufactured in accordance with CB334-1988《Marine Magnifying Glass of Magnetic Compass Technical Terms》and is suitable for the marine using matched with steering compass. Put it on the compass dial to magnify the gradua tion degree, the mirror image legible and its shape unchanged.
主要技术参数 MAIN TECHNICAL DATA
型 号 Type | 撑脚伸缩范围Armbrace flexing range | 放大倍数 Amplification | 重 量 Weight |
GD-130 | Φ122-Φ147mm | 2 | 0.2kg |