... -Data logger function, include date, totalizer, signal condition... etc-Response time less than 1 second SPECIFICATION ... US Barrels, Imperial Barrels, Oil Barrel. Time Unit : Second, Minute, Hour, Day. Other : Velocity, Date, Time, Signal condition.Accuracy : ± 1% ... 1- 9999 HzData Logger : 64 data include flowrate, totalizer, time, date.Alarm : High/Low with buzzerCommunication : RS-232Dimension : 251 ...