... 6 inputs .RS485 Modbus protocol .USB drive KH300AG Universal Paperless Temperature Data Logger.96x96x80mm,TFT color LCD.Universal 6 inputs.RS485 Modbus protocol ... current: 4-20mA, 0-10 mA)DC current: 0-5VDC, 1-5VDC)Others: 0-20mV,0-60mV, 0-100mV, 0-500mV ... Record time:Record interval can be set optionally, such as 1, 2, 3, 4, 5,6s……Record time: 45 (Unit Days ...