
Transmitter M400 4
© 02 / 2010 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400
Printed in Switzerland 52 121 378
Content
1 Introduction ___________________________________________________________________________________________ 9
2 Safety instructions _____________________________________________________________________________________ 10
2.1 Denition of equipment
and documentation symbols and designations ________________________________________________________________ 10
2.2 Correct disposal of the unit ________________________________________________________________________ 11
2.3 Ex Classication _________________________________________________________________________________ 12
3 Unit overview _________________________________________________________________________________________ 13
3.1 Overview 1/2DIN _________________________________________________________________________________ 13
3.2 Control / Navigation Keys ___________________________________________________________________________ 14
3.2.1 Menu Structure ___________________________________________________________________________ 14
3.2.2 Navigation keys __________________________________________________________________________ 14
3.2.2.1 Navigating the menu tree _________________________________________________________ 14
3.2.2.2 Escape _______________________________________________________________________ 15
3.2.2.3 ENTER ________________________________________________________________________ 15
3.2.2.4 Menu _________________________________________________________________________ 15
3.2.2.5 Calibration mode _______________________________________________________________ 15
3.2.2.6 Info mode _____________________________________________________________________ 15
3.2.3 Navigation of data entry elds _______________________________________________________________ 15
3.2.4 Entry of data values, selection of data entry options ______________________________________________ 15
3.2.5 Navigation with u in Display ________________________________________________________________ 16
3.2.6 ”Save changes” dialog _____________________________________________________________________ 16
3.2.7 Security Passwords _______________________________________________________________________ 16
3.2.8 Display ________________________________________________________________________________ 16
4 Installation instruction __________________________________________________________________________________ 17
4.1 Unpacking and inspection of equipment _______________________________________________________________ 17
4.1.1 Panel cutout dimensional information – 1/2DIN models ___________________________________________ 17
4.1.2 Installation procedure _____________________________________________________________________ 18
4.1.3 Assembly – 1/2DIN version _________________________________________________________________ 18
4.1.4 1/2DIN version – Dimension drawings ________________________________________________________ 19
4.1.5 1/2DIN version – Pipe mounting _____________________________________________________________ 19
4.2 Connection of power supply ________________________________________________________________________ 20
4.2.1 Housing (wall mount) _____________________________________________________________________ 20
4.3 Connector PIN denition ___________________________________________________________________________ 21
4.3.1 TB1 and TB2 ____________________________________________________________________________ 21
4.3.2 TB3 – Analog resistive 2-e conductivity sensors _________________________________________________ 21
4.3.3 TB3 – Analog resistive 4-e conductivity sensors _________________________________________________ 22
4.3.4 TB3 – Analog inductive conductivity sensors ____________________________________________________ 22
4.3.5 TB3 – Analog pH / ORP sensors ______________________________________________________________ 23
4.3.6 TB3 – Analog ISFET sensors ________________________________________________________________ 23
4.3.7 TB3 – Analog oxygen sensors _______________________________________________________________ 24
4.3.8 TB3 – Analog dissolved carbon dioxide sensors _________________________________________________ 24
4.3.9 TB4 – ISM (digital) sensors for pH, conductivity and oxygen _______________________________________ 25
4.4 Connection of ISM (digital) sensors __________________________________________________________________ 26
4.4.1 Connection of ISM sensors for pH/ORP, Cond 4-e and amperometric oxygen measurement ________________ 26
4.4.2 TB4 – AK9 cable assignment _______________________________________________________________ 26
4.4.3 Connection of ISM sensor for optical oxygen measurement _________________________________________ 27
4.4.4 TB4 – Optical DO sensor cable assignment ____________________________________________________ 27
4.5 Connection of analog sensors ______________________________________________________________________ 28
4.5.1 Connection of analog sensor for pH/ORP ______________________________________________________ 28
4.5.2 VP cable assignment for pH/ORP sensor _______________________________________________________ 29
4.5.3 TB3 – Typical wiring for analog pH/ORP sensor _________________________________________________ 30
4.5.3.1 Example 1 ____________________________________________________________________ 30
4.5.3.2 Example 2 ____________________________________________________________________ 31
4.5.3.3 Example 3 ____________________________________________________________________ 32
4.5.3.4 Example 4 ____________________________________________________________________ 33
4.5.4 Connection of analog ISFET sensor ___________________________________________________________ 34
4.5.5 TB3 – Typical wiring for analog ISFET sensor ___________________________________________________ 35
4.5.6 Connection of analog sensor for amperometric oxygen measurement ________________________________ 36
4.5.7 TB3 – Typical wiring for analog sensor for amperometric oxygen measurement _________________________ 37
4.5.8 Connection of analog sensor for dissolved carbon dioxide _________________________________________ 38
4.5.9 TB3 – Typical wiring for analog dissolved carbon dioxide sensor ____________________________________ 39
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