ATI
Q45D-ODO Optical D.O. System
Part 1 – Introduction
O & M Manual
Revision C (7/09)
7 -
Sensor
Optical oxygen sensor utilizing fluorescence quenching
technology. Optical element life 3-5 years.
Sensor Materials
Noryl, PVC, and stainless steel
Sensor Cable
Submersible: 30 ft. (9.1 m)
Max. Sensor-to-Analyzer
Distance
100 feet (30 m), with junction box
(NOT common to all variations)
Standard 2-Wire (Loop-powered) Transmitter:
Power
16-35 VDC (2-wire device)
Enclosure:
NEMA 4X, polycarbonate, stainless steel hardware,
weatherproof and corrosion resistant,
HWD: 4.4" (112 mm) x 4.4" (112 mm) x 3.5" (89 mm)
Mounting Options
Wall or pipe mount bracket standard. Bracket suitable for
either 1.5” or 2” I.D. U-Bolts for pipe mounting.
Conduit Openings
Two PG-9 openings with gland seals
DC Cable Type
Belden twisted-pair, shielded, 22 gauge or larger
Insertion Loss
16 VDC
115/230 VAC + Dual Relay Option:
Power
115/230 VAC ± 10%, 50/60 Hz, 10 VA max
Enclosure, AC Powered
NEMA 4X, polycarbonate, stainless steel hardware,
weatherproof and corrosion resistant,
HWD: 4.9" (124 mm) x 4.9" (124 mm) x 5.5" (139 mm)
Mounting Options
Wall, pipe, or panel mount standard. Wall bracket suitable
for either 1.5” or 2” I.D. U-Bolts for pipe mounting.
Conduit Openings
Three ½” NPT openings. Gland seals supplied but not
installed.
Relays, Electromechanical:
Two SPDT, 6 amp @ 250 VAC, 5 amp @ 24 VDC
contacts. Software selection for setpoint, phase, delay,
deadband, hi-lo alarm, and failsafe. A-B indicators on
main LCD.
