WQ600 Oxidation Reduction Potential (ORP) Sensor

Price$951.00 (US Only)

Option

SKUDE0050


In Stock 0 - Available for Backorder

The ORP sensors are molded to a marine grade cable, with lengths up to 500 ft available upon request.

  • Overview

    FEATURES

    • Fully encapsulated electronics
    • 4-20 mA output
    • Marine grade cable with strain relief
    • Stainless steel housing

    The ORP sensor's output is 4-20 mA with a three wire configuration. The ORP sensor's electronics are completely encapsulated in marine grade epoxy within a stainless steel housing.

    The online version comes with 1-¼ x 12 inch PVC pipe nipple, threaded both ends with cap (1-¼ inch NPT PVC housing).

    Global Water's PC320 ORP Controller to use the ORP sensor's output to control pumps or alarms. In addition Global Water offers GL500 ORP Data Logger adds recording capabilities to the ORP sensor. The GL500 ORP Data Logger connects to the ORP sensor’s 4-20mA output to record data.

    Measuring ORP

    ORP stands for oxidation-reduction potential, which is the measurement (in millivolts, or mV) of the oxidizing or reducing tendency of a solution. Oxidation is the loss of electrons from an atom, molecule, or ion, which may or may not be accompanied by the addition of oxygen. When a substance is oxidized, its oxidation state increases. Reduction is the net gain of electrons. When a substance is reduced, its oxidation state is lowered. Oxidation and reduction reactions always accompany each other. Every oxidation and reduction reaction can be characterized by a half-reaction, which provides all of the chemical substances participating in the reaction (many half-reactions are identified in standard chemistry handbooks or other reference materials). The ORP of the solution depends on the concentrations of the substances participating in the half-reaction. In order to calculate ORP when concentrations vary, you must use the Nernst equation. Due to its logarithmic dependence on concentration and its dependence on multiple solution components, ORP is typically not a good method for measuring concentration. The best use of an ORP is in monitoring and controlling oxidation-reduction reactions. When an oxidation-reduction reaction occurs, there is usually a large change in the ORP, which overwhelms the factors that make concentration measurements an issue. This allows you to ensure that an ORP reaction has gone into completion, and thereby control your application appropriately.

  • Specifications
    WQ600 ORP Sensor  
    Output 4-20 mA
    Range

    -500 to +500mV

    Accuracy 2% of full scale
    Maximum Pressure

    40 psi

    Operating Voltage 10-36 VDC

    Current Draw

    0.2 mA plus sensor output

    Warm Up Time

    3 seconds minimum

    Operating Temperature -40 to +131°F (-40 to +55°C)
    Size of Probe Standard: 10-1/2" L x 1" Diameter (26.7 cm L x 2.5 cm Dia.)
    Online: 15-1/2" L x 2-1/2" Diameter (39.4 cm L x 6.3 cm Dia.) (end cap)
    Weight Standard: 8 oz (227 g)
    Online: 22 oz (623 g)
  • Accessories

    WQEXC Cable, Non-Vented

    Non-vented Cable

    Zobell Solution, ORP Calibrator

    Zobell Solution, ORP Calibrator

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