... GENERAL ANJUN AFV series is a fixed mounted, transit-time ultrasonic Flowmeter, with clamp-on transducers for non-invasive ... T, Measurements for Thermal EnergyKeypad : 16 Key with tactile actionResponse Time : Less than 1 secondFlow Velocity : 0.01 ~ ± 32 ... Output : 1- 9999 HzData Logger : 64 data include flowrate, totalizer, time, date.Alarm : High/Low with buzzerCommunication : RS-232Dimension : 251 ...