CL Family consists of 3 perpendicular acceletometers,magnetic reluctance sensitive unit,signal processing circuit and microprocessor. 

 It is suitable in geological prospecting, construction, azimuthal measurement and tilt angle mearsurement in drilling.

Direction Range	Direction Accuracy	Vertex Angle Range	Vertex Angle Accuracy	Size
0～360°	±4°(vertex angle≥3°)	0～60°	0.5°	φ33.5mm×190mm
	±6°（2°＜vertex angle＜3°）
0～360°	±2°（vertex angle≥3°）	0～60°	0.2°	φ33.5mm×440mm
	±4°（1°＜vertex angle＜3°）