X-Ray Automatic Diffractometer 3. Goniometer 3.1 Type: Vertical(q/q or q/2q) 3.2 Goniometer radius: 180mm 3.3 Measurement range -30°~160°(2q ... /2°, 1°,2°,3°,4° Receiving slit: 0.08, 0.15, 0.3, 0.4, 0.6, 1.0, 2.0mm Scattering slit: 1/2°, 1°,2°,3 ... °,4° Soller slit: two sets 3.9 Filter: Ni, Fe XD ...