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AeroPAK Dissolved Oxygen Controller
Brand: MicroMod Automation & ControlsSupplying dissolved oxygen to the aeration basins consumes a large part of your plant’s electrical energy. AeroPAK is a pre-engineered control package designed to ensure continuous correct oxygen levels for maximum biological activity, while providing electricity savings and improving response to plant load changes. Implementing closed-loop DO control can result in as much as 20% reduction in electricity consumption.
AeroPAK provides closed-loop dissolved oxygen control for basins using diffused aeration and centrifugal blowers with Variable Speed Drives (VFD) or dampers. AeroPAK-1 provides control for a single basin with up to two blowers. AeroPAK-2 supports control for up to two basins with two blowers each, with independent parameters for each basin. Multiple AeroPAK controllers can be networked and connected to an HMI package for graphical operations, data acquisition and alarm/ event logging.
FeaturesSpecifications
Accuracy
- ± 0.1 % of Span
- ± 0.2 % of Span
Ambient Temperature Range
- 4° to 52° C (40° to 125° F)
Approvals & Certifications
- IEC 529
Consumption
- Power: 36 W, Max.
Electrical Contacts
- Normally Closed
- Normally Open
Environmental Protection
- IP10
- IP20
- NEMA 1
Humidity
- 10 to 90 % Relative Humidity, Max.
Input
- 2 mA at 4 Vdc, Max.
- Signal Range: 0-20 mA or 4-20 mA Linear or Sq Root
Input Impedance
- 1 Megaohm
Load
- 0 to 750 ohms
Output
- 30 Vdc, Max.
- 50 mA DC, Max.
- Ripple: 200 mV Peak-to-Peak, Max.
- Signal Range: 0 to 21.84 mA Dc (4-20 mA Dc Typically)
- Transmitter Power: 24-26 Vdc, 80 mA, Short Circuit Protected
Power
- 120-220 Vac
- 24 Vdc
Power Requirement
- 120 Vac ± 10 %, 50/60 Hz
- 21-28 Vdc
- 220-240 Vac ± 10 %, 50/60 Hz
Resistance
- Permissible Contact: 100 ohms, Max.
Resolution
- 12-bits