The Model 6005 Spiral Indicator uses a flux-gate magnetometer to measure any spiraling of inclinometer casing. The 6005 is lowered into the casing on the end of standard inclinometer cable connected to the Model GK-604-3 Analog Inclinometer Interface. The instrument provides a direct reading of the azimuth of the casing grooves at any point along the casing. Not suitable for use in steel casing.
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