Accessories, Position Control Units F71RH/ FW71RH Automatic Tip-Position Correction Unit This optical sensor prevents misalignment despite anomalies such as a worn iron tip. Technical Specifications Type F71RH / FW71RH Sensor Optical sensor (X/Y axes)Low-contact touch sensor (Z axis) Correction Accuracy ±0.1mm (X/Y/Z- axis) Power Supply 12 - 24 V DC Weight Approx 0.8 kg Accessories I/O SYS cable; attaching plate Previous J-CAT COMET NEXT Rotary Iron Tip Cleaners