APPENDIX A – OPTIONS
EXTRA SENSOR CABLE
(OPTION DXC)
Each Greyline flow meter includes 20 ft / 6m (or 50 ft / 15 m optional) continuous shielded coaxial pair
cable. Additional cable and Cable Junction Box (Option DJB) may be ordered with the Flow Meter, 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 Greyline shielded
coaxial pair (RG174U) cable.
Extended sensor cable should be installed in conduit for mechanical protection. Recommended
installation with a metal junction box (Option DJB) is illustrated below:
COAXIAL CABLE PREPARATION
DXC Doppler sensor cable can be cut and spliced up to a maximum length of 500 ft (152 m). Cable ends
must be prepared as illustrated below.
Page 30
DFM 5.0 Doppler Flow Meter
GOOD
BLACK
INSULATION
HAS BEEN
REMOVED
BAD
BLACK
INSULATION
HAS NOT
BEEN
REMOVED
GREEN
CONDUIT (BY CUSTOMER)
If Required For Mechanical Protection
SENSOR CABLE
20 ft (6m) SHIELDED
COAXIAL PAIR
MAX. LENGTH
500 ft (152m)
GREYLINE SHIELDED
COAXIAL PAIR
TERMINAL BLOCK
CORE
SHIELD
CORE
GND
SENSOR
EXTENDED SENSOR
CABLE TO ELECTRONICS
ENCLOSURE
GREEN WIRES
MUST BE CONNECTED
TO GND TERMINAL