... :4-20mA/0-75mV/0-10V others: choose by customer,for example,DC 0-100V,Pt100,etc.2) Accuracy: 0.3% ,high ... sampling rate, applicable to most sensors.with demical point floatingdisplay/pressing to clear zero,display modification and parameter ... range settable:up to 2 alarm output4) big inch LED 4 digit display,range:-1999~9999 floating point; 5) Communication:RS232 OR RS485 ...