We are ericco international limited, supply the following inclinometer for survey field. 1.swd inclinometer (components: dedicated industrial personal computer + driller indicator + probe); 2.dde high temperature & high pressure electronic multiple-shot inclinometer (diameter: f21×450 ); 3.mwd inclinometer (positive pulse wireless); 4.dynamically tuned gyro inclinometer. besides, we also offer the mems gyro, dtg (dynamically tuned gyro),north seeker, compass and accelerometer.