Display: Dual 4-digit led display Precision:0.5%fs1 bit Indicator:Al1 al4 alarm indicator Digital transducer power dc Resolution:00.01 Range:0001-9999mpa(radix point changeable) Use temperature & humidity:0-55% % rh Power supply:Ac220v10% 50hz-60hz Output control:Voltage and signal linear relation between the span output signals Auxiliary output:Four-circuit pressure upstream and downstream programmable relay alarms, with rs485 serial communication. Dimension size:96 105mm Panel cutout:92 92mm Weight 400g