Adtek CS2-RL RPM Indicator has been designed with high accuracy measurement, display, and pulse communication (Frequency).
The innovative feature is auto-range input from 0.01Hz~ 100KHz (option ~140KHz), and the display resolution will auto-change to show the highest according to the input frequency.
They are also building in 4 Relay outputs, 3 External Control Inputs, 1 Analogue output, and 1 RS485(Modbus RTU Mode) interface with versatile functions such as control, alarm, re-transmission, and communication for a wide range of testing and machine control applications.