stress-type vortex digital filtering street flowmeter:
high reliability to interference
password validation
field type wire

vortex digital filtering street flowmeter:

temperature of  fluid -20oC~+260oC~+350oC

temperature of  enveirment 0oC~+50

accuracy ±0.5%  1%  1.5%

li -mno2battery  can work for 3years

transducer output 4-20ma singnals resistance <500Ω

LCD display flowrate &total quantity