ATI Q46D Dissolved Oxygen System Part 1 - Introduction
6
O&M Manual
Rev-N (4/21)
1.4 Q46D/60 System Specifications
Displayed Parameters Main input, 0.1 ppm to 40.0 ppm
%Saturation, 0 to 999.9%
Sensor temperature, -10.0 to 50.0°C (23 to 122ºF)
Sensor signal, -40 to +2000 mVDC
Loop current, 4.00 to 20.00 mA
Sensor slope/offset
Model number and software version
PID Controller Status
Main Parameter Ranges Manual selection of one of the following display ranges,
0.00 to 40.00 ppm or 0.00 to 40.00 mg/l
0.0 to 999.9% Saturation
Power 90 - 260 VAC, 50/60 Hz., 10 VA Maximum
12-24 VDC, 500 mA max.
Display 0.75” (19.1 mm) high 4-digit main display with sign
12-digit secondary display, 0.3" (7.6 mm) 5x7 dot matrix.
Integral LED back-light for visibility in the dark.
Enclosure NEMA 4X, polycarbonate, stainless steel hardware,
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 Five ½” NPT openings, Adapter can be removed to provide a 1”
NPT opening in the bottom of the enclosure. Gland seals
provided but not installed.
Relays, Electromechanical: Three 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, and C indicator
on lower display.
Analog Outputs Two 4-20 mA outputs. Output one programmable for PPM D.O.
or PID. Output 2 programmable for PPM D.O. or Temperature.
Max load 450 Ohms for output 1 and 1000 ohms for output 2.
Outputs ground isolated and isolated from each other. An
additional 3
rd
analog option is available.
Output Isolation 600 V galvanic isolation
Optional Relays: Three SPST, 1 amp @ 24 VDC. Software selection for setpoint,
phase, delay, deadband, hi-lo alarm, and failsafe.
Ambient Temperature Analyzer Service, -20 to 60 °C (-4 to 140 ºF)
Sensor Service, -5 to 55°C (23 to 131 °F)
Storage, -30 to 70 °C (-22 to 158 ºF)
Keypad 4-key membrane type with tactile feedback, polycarbonate with
UV coating
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