Neptune Technology ProCoder R900i - Appendix A: Procoder)R900 I Flags; Description of Flags; Table 8 - Eighth-Digit Resolution by Meter Size; Table 9 - Backflow Flag

ProCoder™)R900i™ Installation and Maintenance Guide 33
Appendix A: ProCoder™)R900i™ Flags
This appendix describes the flags associated with the ProCoder™)R900i™.
Description of Flags
The two tables in this appendix describe the volume represented by the eighth digit by
meter size, and the flags the ProCoder)R900i uses.
Register Size
Eighth-Digit Resolution -
Least Significant Digit
Residential
(5/8" - 1" T-10
®
)
1/10 Gallon or
1/100 Cubic foot
Light Commercial and Industrial
(1-1/2" and 2" T-10, 1-1/2" - 4" HP Turbine)
1 Gallon
or 1/10 Cubic foot
Large Commercial and Industrial
(6" - 10" HP Turbine, HP PROTECTUS
®
III and TRU/FLO
®
)
10 Gallons or
1 Cubic foot
Table 8 – Eighth-Digit Resolution by Meter Size
Backflow Flag (resets after 35 days)
Based on reverse movement of the eighth digit. The eighth digit is variable based on the
meter size.
No backflow event Eighth digit reversed less than one digit
Minor backflow event Eighth digit reversed more than one digit, up to 100
times the eighth digit
Major backflow event Eighth digit reversed greater than 100 times the
eighth digit
Table 9 – Backflow Flag