Separate fixed ultrasonic flow
meter/heat meter: Technology features: 1:operating power :AC 85—264V
or isolation DC 24V
2:current: 50mA (under the
condition of connection without
keyboard display and sound of
buzzer) 3:signal output :one channel
standard isolation RS485 output
One channel isolation 4-
20mA or 0-20mA active output. One channel OCT
output (programmed between the
pulse width (6-1000ms),default
before leaving factory (200ms) ) One channel isolation
relay output, with
positive, negative, net totaliser
pulses and different alarm signals. 4:signal input: two channel three
wire system PT100 platinum
resistor input loop, to make heat
meter has the function of
displaying heat quantity. Three channel 4-20mA
input optional, accuracy:0.1%,has
the ability to input the signals of
pressure, liquid level, temperature
and so on. 5::display:2*20 backlit
LCD (Chinese and English optional) 6:operating:4*4 tactile keypad or
magnetic 4 keypads operating (
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