... year/month/date/hour/min/second,automatic leap year, leap months without power impact.1.8 Serial large ... Grade III,n=50002.3 Analog input Sensor excitation power DC 5V,120mA,Input signal range -30 ~ ... type of sensor use 6-wire, long wire automatic compensation.2.4 A/D conversionConversion type Σ-Δ,Switch code ... 0.07mm,OD <=50mm.2.10 Operating temperature Power 220V 50Hz or 6V/10Ah DCTemperature 0~ 40 ...