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ARM CALIPERS

Popular for borehole diameter logging and volume calculation

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3 ARM CALIPER SONDE:The Three-Arms caliper sonde is a popular choice for bore hole diameter logging and borehole volume calculation. Like other sondes, all the calipers can be run on their own or they can be screwed together to run as one single tool string.

SPECIFICATIONS:3 ArmsWeight: 8.5kgLength:1.45Diameter: 38mmAccuracy: ±3mmMax. Pressure: 20MPaMax. Temp.: 80oCRange: 85 - 1000mm 100 - 1500mm                                                            

4 ARM CALIPER SONDE:For large diameter holes and X-Y diameter measurements, we have the four independent arm caliper: The Four-Arm caliper is particularly useful in large boreholes. Working either in 4 radii (r1, r2, r3, r4) mode or in two diameters (d1, d2) mode, this sonde can provide an accurate bore hole geometry profile as well as bore hole volume.

SPECIFICATIONS:4 ArmsWeight: 18.0kgLength: 1.18mDiameter: 80mmAccuracy: ±3mmMax. Pressure: 20MPaMax. Temp.: 80oCRange: 85 - 1000mm 100 - 1500mm