ATI Q46D Dissolved Oxygen System Part 1 - Introduction
7
O&M Manual
Rev-N (4/21)
Filter Adjustable 0-9.9 minutes to 90% input step change
Temperature Input Pt1000 RTD with automatic compensation
Ambient Humidity 0 to 95%, indoor/outdoor use, non-condensing to rated ambient
temperature range
Altitude Up to 2000 m (6562 ft)
Electrical Certification Ordinary Location, cCSAus (Certified to both CSA and UL
standards), pollution degree 2, installation category 2
EMI/RFI Influence Designed to EN 61326-1
Weight 2.4 lb. (1.1 Kg.)
Sensor 2-electrode galvanic membraned sensor for direct measurement
of oxygen,
Sensor Materials Noryl, PVC, and stainless steel
Sensor Cable Submersible: 30 ft. (9.1 m)
Max. Sensor Cable Length: 1000 feet (300 m), with junction box
1.5 Q46D Performance Specifications
Accuracy 0.5% of selected range or better
Repeatability 0.3% of selected range or better
Sensitivity 0.05% of selected range
Non-linearity 0.1% of selected range
Warm-up Time 3 seconds to rated performance (electronics only)
Supply Voltage Effects ± 0.05% span
Instrument Response Time 60 seconds to 90% of step input at lowest damping
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