... encoder/switch/other signals for measurement of RPM,HZ,line speed,level 4/5/6 digit display. Digital RPM Tacho ... FA) Usage: Applications with control equipments for frequency / tacho / line-speed / flow measurement,such as pulse width detection, duty cycle inspection ... for option), display modes settable:Frequency, Line-speed, Tacho. Dimensions: 48*96 (48*48,96*48,96*96,160*80 for option) Power Supply ...