陀螺测斜仪
GDL-50D 陀螺测斜仪采用三自由度框架陀螺结构配合全新设计的数字电路，测量精度和可靠性都得到了极大的提升。适用于强磁异常矿区和已经下了套管的孔径不小于56 毫米的钻孔内，进行顶角和方位角的多点测量，用以确定钻孔的三维位置。
一、主要技术特点
1、采用高速旋转的三自由度框架式陀螺作为方位角定向和测量元件，零点漂移小，是磁性矿地区和铁套管的钻孔中测量方位角最理想的定向器件。
2、采用高精度的双轴倾角传感器作为顶角的测量器件，经24位AD采样、数据处理后得到顶角数据。
3、由地面控制箱将方位、深度信号混合后传至计算机，计算机进行数据处理、保存、并画出三维轨迹图。
二、主要技术指标和参数
1、测量范围： 顶角 0～50°；方位 0°～360°；
2、测量精度： 顶角测量误差： ±0.2°；
方位测量误差： ±5°（顶角≥1.5°）；
方位漂移： 每小时不大于12°；
3、测量深度： 1200m；
4、工作电源： AC220V±10%/50Hz；
5、整机功耗： 约75W；
6、环境温度： -10～55℃；
7、井下电缆： 仪器使用四芯电缆（电缆内阻 < 85Ω/100m）；
8、外形尺寸: 井下测量探管：Φ50㎜×1880mm；
地面控制箱： 370㎜×290㎜×200mm；
三脚架： 950㎜×80mm。
注：笔记本电脑、绞车、线缆另配。
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