BCST Panel meters are measuring instruments that display the value of an applied input signal. These are usually current, voltage , resistance signals, level or temperature . Input types can include thermocouples, potentiometers and load cells. Many of our models also provide set points, relays, analog and/or digital outputs as well as programability. According to various function, their name are different , there are flow totalizer , display meter , display controller , batch controller , flow computer ,etc .