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AeroPAK Dissolved Oxygen Controller
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AeroPAK Dissolved Oxygen Controller

Brand: MicroMod Automation & Controls
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Supplying 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.
Features
  • Reduce electricity consumption as much as 20%

  • Improve effluent quality & help avoid permit violations

  • Prevent under-aeration with continuous air adjustment

  • Pre-engineered and pre-configured for multiple basins & blowers

  • Automatic blower lead/lag function

  • Application-specific installation & operation instructions

    • Specifications

    Brand

    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 % RH, max.

    Input

    • 2 mA at 4 Vdc, Max.
    • Signal Range: 0-20 mA or 4-20 mA Linear or Sq Root

    Input Impedance

    • 1 MΩ

    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

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