Detcon DM-200 - Manual (Page 11)

Model DM-200
DM-200 Instruction Manual Rev. 2.0 Page 7 of 40
Maintenance Access
Consideration should be given to easy access by maintenance personnel as well as the consequences of close
proximity to contaminants that may foul the sensor prematurely.
NOTE: In all installations, the sensor element in SS housing points down relative to grade
Figure 8. Improper sensor orientation may result in false reading and permanent sensor
damage.
Figure 8 Sensor assembly orientation
2.5 Local Electrical Codes
Sensor and transmitter assemblies should be installed in accordance with all local electrical codes. Use
appropriate conduit seals. Drains & breathers are recommended.
2.6 Installation Procedure
a) Securely mount the sensor junction box in accordance with recommended practice. See dimensional
drawing in Section Error! Reference source not found. .
b) Unscrew the enclosure cover. Release the UTM assembly by removing and retaining two mounting
screws and washers on the transmitter. Observing correct polarity, connect the loop power field
wiring to the terminals labeled “+” and “–” 4-20 mA (reference Figure 9). Reinstall transmitter and
secure using screws and washers. Reinstall enclosure cover.