YT - 1 type borehole piezoelectric gyro inclinometer is a new kind of inclinometer, which ismade uniquely with the angular rate piezoelectric gyro as the main device to measure azimuth.

• 1型压电陀螺钻孔测斜仪是国内外首次采用压电角速率陀螺作测量钻孔方位的主件的。研制了一套与其定向特性相适应的地面定向、电子跟踪测量等新的定向方法系统。