Features:The reading head of this sensor uses ball bearing positioning and orientation for small friction, high sensitivity and long service life.The sensor uses precision metrology grating as measuring device, high measurement precision.Itis practical for refinement of machine tools which have lost precision;using grating digital display machine tool can greatly improve machining accuracy and production efficiency.The sensor has sealed structure, reliable performance, easy installation, and is unmatched by any other digital display system.Itcan be used for linear digital display of all kinds of small and middlemachine tools and other precision measuring, to achieve accurate measurement and positioning.Specification:Model: JCS900-3AEReadout:Voltage: 110-240VPlug: US plug Measuring Travel: 0-3020mmMeasuring Standard: Grooved glass optical gratingWorking Voltage: 5V DC 5&Working Speed: 1m/S(1um)Accelerated Speed: 60m/sReferential Operating Temperature: -1070Referential Operating Humidity; 90 RHTest Process: IncrementSignal Mode: TTLCircuit Type: NPNOptical Grating Measuring System: Transmission-type infrared optical measurement system, infrared wavelength is 940 nanometersScanning Frequency: 28kHzVibration Reduction: 50hz-2khz180m/sImpact: 16ms, 600m/sDisplacement Friction Resistance: 5NLinear Scale:Measuring Range: 0mm~50mm; 0mm~500mm; 0mm~800mm Accuracy: 5umResolution: 5umWeight: 6106g / 215.4oz (approx.)Note:1, Please kindly make a note if you need any plug adapter.2, Due to different batches, the color of accessories may differ from picture, please take the real ones as standard.Package list:1 * Digital Readout 3 * Linear Scales (50mm, 500mm, 800mm)1 set * L-shape Connection Plates1 * Protective Cover1 * Holder1 * Power Cord1 set * Screw AccessoriesNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..