... 1) linear signal sensor meter 2) 4 digit LED, -1999 to +1999 display 3) DC 12 / 24V, 4-20mA indicator meter Toky ... / 5V / 10V, 0-200mV, 4-20mA), it can be the signal indicator for many products, including press / weight transducers which output linear ... signal, and frequency inverters which output 0-10VDC signal to display the frequency or tacho, etc ...