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Page 29
OCF 5.0 Open Channel Flow Monitor
APPENDIX A - OPTIONS
EXTRA SENSOR CABLE
(OPTION XC)
Each Greyline OCF 5.0 includes 25 ft. (7.6m) RG62AU coaxial cable. Additional RG62AU coaxial
cable and Cable Junction Box (Option JB) may be ordered with the Flow Monitor, or the cable may be
spliced and extended up to 500 ft (152m) as required during installation. No adjustment is required when
the sensor cable is extended or shortened. Use only RG62AU (or RG62U) coaxial cable which is
available from Greyline Instruments or your local distributor. Nominal impedance of RG62AU cable is
93 ohms.
Extended sensor cable must be installed in metal conduit to prevent interference. Do not use BNC
coaxial connectors (TV cable type). Recommended installation with a metal junction box is illustrated
below:
Note: Optional Watertight steel NEMA4 Junction Boxes with terminal strips (Option JB) are available
from Greyline Instruments.
SENSOR CABLE
25 ft (7.6 m)
RG62AU COAXIAL