... switch/Encoder; Rate setting for option. Digital Length Counter(MFH) 1,Various wave form pulse input,contact ... not only height,location,length,counting,but also frequency,speed,length count,etc.2,Accuracy: 0.01%,mini ... Case class:IP65. Main product:Panel Meter Counter Weighing indicator Temperature/Humidity Controller Current/Voltage/Power ... ) 86-13435730867(Peter Liao) Digital Length Counter(MFH)