Measuring principle  ultrasonic  time -difference
Accuracy ±0.5%~±1%
Measuring period 3 second/time, 1~31(selected)
 
Display
 
display three positive negative net totalizers,flow
rate ,velocity,signal strength,signal quality and
working status .
 96 LCD display
Medium water,sewage,and other liquid
Working temperature  
enviornment : -40 oc ~80 oc
medium : -40 oc ~160 oc
Communication 
standard M-BUS
GPRS, CDMA
 
can make it with customers request
Interface output 
standard 4~20MA, RS232/RS485
M-BUS, GPRS, CDMA
Repeatability 
  0.5%
Power supply   
one Li(3.6V)working for 6~10 years
4-20Ma(two lines)
RS232/RS485 output power supply
Other 
Display measuring result automatically, trouble self-examine, trouble display
Total flow unit :1, 0.1, 0.01, 0.001, 0.0001 cube
Can show quantity velocity of liquid 24 month before month by month
Patent double balance 20Db ultrasonic receiving electric circuit to ensure
working in bad condition
 
Protection IP68
ExdllBT4