... Pulse/Proximity switch/Encoder; Rate setting for option. Digital Length Counter(MFH) 1,Various wave form pulse input,contact ... measuring not only height,location,length,counting,but also frequency,speed,length count,etc.2,Accuracy: 0.01 ... Main product:Panel Meter Counter Weighing indicator Temperature/Humidity Controller Current/Voltage/Power meter,various sensor indicator Frequency / Tacho / Batch ...