... pressure,weighing,humidity,et DS3A series 4 LED Sensor Processor Features:1) Signal input:regular:4-20mA/0-75mV ... demical point floatingdisplay/pressing to clear zero,display modification and parameter adjust function.easy to operate.3) Isolated 4 ... of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer ...