Yokogawa Conductivity Converter SC450G-D-U/UM
Overview:
The EXAxt 450 series is designed to combine the superior functionality of the Yokogawa EXA series with the ease of use offered in pocket computers (PDA).
Truly unique is the EXAxt 450 series in the Human Ma- chine Interface. The high resolution graphical display and the touch screen operation make all information visible to the operator. Configuration with the touch screen is as easy as operating a PDA. Simply choose the language of choice and on screen instructions assure that the best configuration for the application is obtained.
The EXAxt 450 offers full functionality with PID control on either mA output(s) or on contact output(s).
The contact outputs can be selected as pulse frequen- cy controlled or pulse length controlled contact function to control chemical metering pumps or solenoid valves.
The EXA450 is a family of SMART analyzers: In ad- dition to the two mA outputs a digital HART® signal
is superimposed on mA1. This signal supplies up to four process variables and many diagnostic data. This information can be used to generate additional current and contact outputs in the HMI monitor and in mainte- nance optimization programs like PRM or AMS. Pact- ware can be downloaded from Yokogawa WEB pages to enable the user to configure SC450 with a PC.
The SC450 offers the best accuracy in the industry by combining the conductivity measurement with advanced temperature compensation functionality, preloaded calibration standards and cell fouling moni- toring.
The EXAxt SC450 is universal. The analyzer accepts sensors with cell constants ranging from 0.005 till
50/cm; 2-electrode sensors as well as 4-electrode sen- sors; 5 different temperature compensating elements for accurate temperature compensation.
Model and Suffix Codes
Model
Suffix code
Option
Code
Description
SC450G-D-U/UM
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Conductivity/Resistivity Converter
Power
- A
- D
AC version (100…240 VAC) DC version (12…24 VDC)
Type
- U
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General purpose version
FM version
Mounting
Hardware
Hood
Conduit adapter
Tag Plate
/UM
/U
/PM
/H5
/AFTG
/ANSI
/AM20
/SCT
Universal mounting kit (panel, pipe, wall)
Pipe and wall mounting hardware
(*2)
Panel mounting hardware (*2) Awning hood (stainless steel) (*2) G1/2 (*2)
1/2NPT (*2) M20 (*2)
Stainless steel tag plate (*1)
1.If the tag number is predefined with the purchase, Yokogawa will inscript the tag plate with the speci- fied tag number, and program the tag number in the converter.
2.Option codes /U, /PM, /H5, /AFTG, /ANSI and / AM20 are not specified for FM version (-U).
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