... output indicator 1.Measure and display pressure, weight, temperature, tacho with relevant sensors 2.AC 90~260V ... : * Multi-function indicator: measure and display pressure, weight, temperature, humidity, tacho, linespeed, etc with relevant sensors. * RED LED ... output and otherequipments signals.Measure and display pressure,weight, temperature, humidity, tacho, linespeed, etc with relevant sensors.2. ...