DS 500 Mobile Chart Recorder for Dew Point and Flow Meter CS Instrument Indicator, and ControlDS 500 Mobile Chart Recorder for Dew Point and Flow Meter CS Instrument If we talk about operational costs of compressed air plants we are actually talking about the energy costs as they make up about 70 to 80 % of the total costs of a compressed air plant.Depending on the size of the plant this means … By Rudy Wiratama 29/03/201926/01/2024