Measurement Systems Measurement Systems ► Black box which is used for making Black box which is used for making measurements. measurements. ► In general, made up of three elements In general, made up of three elements Sensor : responds to the quantity being Sensor : responds to the quantity being measured by giving as its output a signal measured by giving as its output a signal which is related to the quantity. which is related to the quantity. Signal conditioner : takes signal from the Signal conditioner : takes signal from the sensor and converts it into condition sensor and converts it into condition which is suitable for either display or which is suitable for either display or for use to exercise control. for use to exercise control. Display Sistem : output from the signal Display Sistem : output from the signal conditioner is displayed. conditioner is displayed.