2/3-Achsen-Digitalanzeige-DRO TTL-Linearmaßstab für Fräsmaschinen Drehmaschine

2/3Axis Digital Readout 5um Linear Scale DRO Display CNC Milling Lathe Encoder. Readout allowable input signal: TTL square wave. Q8: Is it easy to install these scales and dro ?. Q9: If I only buy scales without dro, can i use it directly on my machine ?.

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