The new EXAxt 450 series builds on the superior functionality
of the industry leading Yokogawa EXA series by enhancing
the EXA’s proven operation and application flexibility.
The Model 450 series feature a uniquely simple touch screen
menu structure that offers a choice of multiple languages. |

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The Model PH450 provides the best pH measurement
accuracy in the industry resulting from advanced temperature
compensation functionality, preloaded calibration standards,
stability checks and online sensor and analyzer diagnostics to
provide verifiable results. |

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In addition to dynamic sensor checking, the Model 450 offers a
wash cycle function to assure trouble free and accurate analysis
with a minimum of maintenance. The EXAxt 450 also offers full
application functionality with PID control on either mA output(s)
or on contact output(s). |

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The PH450 combines pH with Temperature and ORP (Redox)
measurement that can be utilized though different output
functions: two mA outputs, four independent SPDT contact
outputs and a digital HART signal is superimposed on mA1.
This information can be used to generate additional current
and contact outputs in the HIM monitor and in maintenance
optimization programs like PRM or AMS. |

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The EXAxt 450 series provides a truly unique Human Machine
Interface. The high resolution graphical display and touch
screen operation provides all information clearly visible and
easily accessible to the operator. Simply select the language of
choice and on screen instructions assure that the best
configuration for the application is obtained. |

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Unique touch screen operation with menu structure in 5 languages. |
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Enhanced diagnostics, process trending graphics and on-screen logbooks for data storage |
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Two mA-outputs and four SPDT relay contacts with display indicators |
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Hart® Communications |
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FM Class 1, Div.2, Group ABCD, T6 for Ta-20 to 55°C |
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IP66/NEMA4X 1/2 DIN enclosure for Field Mounting and Panel Mounting |
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Three sets of preloaded pH buffer standards (NIST, US and DIN) |

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