... max 100KHz) Accuracy:0.01Hz. Digital 4/5/6 LED Frequency Meter (FA) Features:1, Input: various ... tacho,line-speed,level,etc;The instrument has several parameters setting function,easy to operate.2, For ... please indicate when ordering.3, 4/5/6 digit display,with demical point switched automatically; ... ,connectable with various equipment,computer or PLC directly.6, Width Power supply:regular: 80-265V AC ...