Applications

SJX-1 is a pocket compass that can be used in topographic and mining survey as an alidate, a geological compass, a hand level and a clinometer.

Key Features

• High accuracy
• Sensitive rotation of the magnetic needle
• Clear graduation marks
• Appropriate moment of the hinge without slipping

Technical Specifications

• Magnetic Moment of the Magnetic Needle: ≥ 40Gauss c.c.
• Damping Time: 30～60s
• Reading Error:
　Difference between readings after swing ＜0.5°
　Difference between readings after and before clamping ＜1°
　Eccentric error of the magnetic needle between its positions at
　0-180° and 90-270° ＜0.5°
　Clinometer measuring error ＜1°
• Sensitivity:
　Sensitivity of the Tubular Level 12′±3′/2mm
　Sensitivity of the circural level 25′±3′/2mm (at 20℃)
• Service Life of the Hinge: ≥100000 times
• Service Life of the Pivot and Agate Bearing: ≥500000 times
• Dimensions: 85×73×33mm
• Weight: 260g