E-CODER
®
)R900
i™
Installation and Maintenance Guide
29
Appendix 12: E-CODER
®
)R900
i™
Flags
Description of Flags
The tables in this appendix describe the volume represented by the eighth digit by meter
size, and the flags used the by the E-CODER
®
)R900
i
™.
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" HPT)
1 Gallon or 1/10 Cubic foot
Large Commercial and Industrial
(6" - 12" HPT, HPPII and TRU/FLO
®
)
10 Gallons or 1 Cubic foot
Large Commercial and Industrial
(16" - 20" HPT)
100 Gallons or 10 Cubic feet
Table 6 – Eighth Digit Resolution by Meter Size
Backflow Flag (Resets After 35 Days)
Based on reverse movement of the eighth digit. 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
7
–
E-CODER
®
)R900
i
™
Flags
