Yokogawa 202 Field Mounting Rate Totalizer - Manual (Page 18)

3.3 TOTAL CONVERSION
The Total Conversion feature enables the rate to be displayed in one engineering
unit (eg. gallons/minute) and the totals to be displayed in another engineering
unit (eg. barrels).
The Span is always programmed in the unit relating to
Rate, and the Total
Conversion constant is a division factor which can be used to convert the totals to
the different unit. The Total Conversion factor affects the resettable and
accumulated totals.
For Example.
If the Rate is required in gallons per minute:
1. The Span would be programmed as gallons per minute
2. The timebase would be programmed as minutes
If the Totals are required in barrels:
3. The Total Conversion factor is programmed as 42 (there are 42
gallons in a barrel). All totals will now totalise in barrels.
Some common units are given below together with the Total Conversion constant
which should be programmed.
Rate* Totals TOTCON
Gallons (US)/ Barrels (oil) 42.000
Litres/ Kilolitres 1000
ml/ Litres 1000
Mgallons/ Acre-feet 0.32587
* Units per second, minute, hour or day. The timebase is programmed
separately during Programming.
16 Programming