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PH/ORP 4-20MA signal conversion formula
1. Current in milliamperes
The current minus 4, divided by 16 and then multiplied by 14 equals the PH value.
PH=(current minus 4) divided by 16 and then multiplied by 14
2. PH conversion current
PH divided by 14 multiplied by 16 plus 4 equals the current.
Current = (PH divided by 14) multiplied by 16 and then added by 4
3. Current conversion ORP
The ORP value is equal to the current minus 4, divided by 16, multiplied by 2000, and then minus 1000.
ORP= (current minus 4) divided by 16 multiplied by 2000 and then minus 1000
4. ORP conversion current
ORP plus 1000 divided by 2000 multiplied by 16 and then plus 4
Current = (ORP plus 1000) divided by 2000 multiplied by 16 and then added by 4