| Model | 
								SP-250 | 
								SP-300 | 
								SP-400 | 
						
						
								| Screen | 
								Opaque glass screen with 90° cross line Fitted with graduated rotary ring (0-360°) operated by knob, L.C. 1min. | 
						
							
								| Screen Size | 
								250mm | 
							     300mm | 
								 400mm | 
						
						
						        | Light Axis | 
						        Vertical | 
								Vertical | 
								Vertical | 
				        
						
						        OpticsStd | 
								10X | 
								10X,20X | 
							 10X,20X | 
				        
						
						        Opt. | 
						        20X, 25X, 50X, 100X | 
								 25X, 50X, 100X | 
						         25X, 50X, 100X | 
				        
						
						         Mount | 
						        Screw Mount | 
								3 Lens Turret Mount | 
								3 Lens Turret Mount | 
				        
						
						          WORKSTAGE SIZEStd. | 
						         160mm X 160mm | 
								160mm X 160mm / 260mm X 260mm | 
								 260mm X 260mm | 
				        
							
							    MEASURING RANGE	Std. | 
						        	50mm X 50mm | 
									50mm X 50mm / 100mm X 100mm | 
									 100mm X 100mm | 
				        
						
						        Opt. | 
								NA | 
								X-Axis upto 400mm, Y-Axis upto 200mm | 
				        
						
						         | FOCUSING | 
						        100mm | 
							 100mm | 
							  100mm | 
				        
							
							     | LINEAR MEASUREMENT | 
						        	Micrometers | 
								Micrometers / Built-in Glass Scale | 
								 Built-in Glass Scale | 
				        
						
						         | RESOLUTION | 
						        1µm | 
								5/1/0.5µm | 
								5/1/0.5µm | 
				        
						
						         | MEASURING SYSTEM | 
						        Micrometers | 
						        Micrometers / D.R.O. / PC based Software | 
				        
							
						      	| 	PROJECTION ACCURACY | 
								±0.05% (Contour / Surface) | 
				        
						
						        ILLUMINATIONContour | 
						        24V/150W halogen lamp, illumination control with condenser unit provide light as per lens | 
				        
						
								Surface | 
								Twin 24V/150W Halogen lamp provides shadowless light on optical axis | 
				        
							
							| STAND | 
							    Unique rigid pedestal system facilitates vibration free handling of component | 
				        
							
							    | COOLING SYSTEM | 
						        Fan | 
				        
						
						        | Power Supply | 
						        110/220V AC, 50/60Hz | 
				        
							
							    | MOTORIZED MOVEMENT | 
						         NA | 
								Optional (X, Y and focusing with speed control) | 
				        
						
						        | Optional Hardware | 
						        Profile Charts, Rotary Table, V-block, Centre Holding Device Opto Edge Sensor, Rotary Encoder |