... ruler.3) Output: up to 4 alarm output, UPPER/LOW or betweens can be setted freely. isolate analoge output: ... Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter, Timer, Timer Relay, Solid ... box, Rotary Encoder and computer integrated control system etc. They are widely used in industrial control and measurement field, such as ...