... Parameters can be measured: Inclination, azimuth, high side toolface, north direction toolface, and probe temperature. 2. Measurement accuracy(1 ... dimension: 48mm, Downhole probe length: 1120mm, Total length of downhole tools: 4550mm, Centralizer length 566mm, Extra heavy bar ... dimension: 45mm, Downhole probe length: 1120mm, Total length of downhole tools: 4550mm, Centralizer length 566mm, Extra heavy ...