The LDS control devices are a series of single-parameter measurement and control controllers suitable for a wide range of applications. The LDS features: simple control via encoder wheel, flow control, local and remote control, ERMES web communication, permanent data storage with system log, PT100 temperature sensor, backup power input, alarm, programmable delay at dosing start (up to 60 minutes), automatic temperature compensation, sensor reading menu (LDSCDIND), various operating modes (on/off, pulse proportional, proportional PWM and fixed PWM), automatic or manual dosing and mA output (optional).