DP820 used for a flow totalizer , to read pulses.
I am using DP820 to count the pulses coming from a flow totalizer.
When i read the counter value after a certain flow , when i compared the mA based totalizer and the counter based value , have not got any correlation between the two.
Is there any special configuration to make for DP820 to give me the totalized value.
Does the counter only count the number of pulses.
I have configured the frequency input to receive the flow.
Could anyone please let me know which is more accurate , counting the pulses or is the frequency configuration ?
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