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PH450G-A-A/UM | Yokogawa | pH and Redox (ORP) analyzer
PH450G-A-A/UM | Yokogawa | pH and Redox (ORP) analyzer

PH450G-A-A/UM | Yokogawa | pH and Redox (ORP) analyzer

Estimated Lead Time : Usually ships in 1-10 working days.

NII REF No : IP113011011120
  • Estimated Lead Time : 8-10 Weeks

  • Manufacturer : Yokogawa

  • PH450G-A-A/UM

  • Model and Suffix Codes
    PH450G-pH/ORP Converter
    A-Power : AC Version (100-240VAC)
    A-Type :General purpose version
    /UM-Mounting Hardware : Universal mounting kit (panel, pipe, wall)


  • Measuring rages pH; -2 to 16 pH
    ORP; -1500 to 1500 mV
    rH; 0 to 100 rH

  • Transmission signals Two isolated outputs of 4-20 mA DC. Max. load 600 Ω.
    Bi-directional HART® digital communication, superimposed on mA1 (4-20mA) signal. Selectable from pH, temperature, ORP or rH.

  • Contact outputs : Four SPDT relay contacts with display indicators. High/Low process alarms, control function, wash, hold, fail.

  • Contact input Remote wash cycle start.

  • Temperature compensation : Automatic or manual. Compensation to Nernst equation.
    Process compensation by configurable temperature coefficient,
    NEN6411 for water or strong acids/bases or programmable

  • Calibration : Semi-automatic 1 or 2 point calibration using pre-configured NIST, US, DIN buffer tables 4, 7 & 9, or with user defined buffer tables, with automatic stability check. Manual adjustment to grab sample.

  • Accuracy pH input; ≤ 0.01 pH
    ORP input; ≤ 1 mV
    Temperature; ≤ 0.3°C (≤ 0.4°C for Pt100)
    Step response; ≤ 4 sec for 90% (pH 7 - pH 4)

  • Dimension : 144 (W) x 144 (H) x Approx.144 (D)

  • Converter weight: Approx. 1.5 kg

  • Shipping Weight : 2.25 Kg

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