Total Organic Carbon
Measurement System
Operation Manual
4000TOCe Sensor
M300 TOC Transmitter
4000TOCe Sensor
M300 TOC Transmitter
30 415 924 Rev A
4000TOCe Sensor 2
© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
4000TOCe Sensor 3
© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
Operation Manual
4000TOCe Sensor
M300 TOC Transmitter
©METTLER TOLEDO Thornton, Inc. 2017
No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including
photocopying (other than where specifically noted), for any purpose without the express written permission of METTLER TOLEDO, Inc.
U.S. Government Restricted Rights: This documentation is furnished with Restricted Rights.
METTLER TOLEDO THORNTON RESERVES THE RIGHT TO MAKE REFINEMENTS
OR CHANGES WITHOUT NOTICE.
This document contains proprietary information, which is protected by copyright. All rights are reserved. No part of this
document may be photocopied (other than where specifically noted), reproduced or translated, into another language
without the prior written consent of METTLER TOLEDO Thornton, Inc.
4000TOCe Sensor 4
© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
4000TOCe Sensor 5
© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
Content
1 Introduction ______________________________________________________________________________________________ 9
2 Safety instructions________________________________________________________________________________________ 10
2.1 Denitionofequipmentanddocumentationsymbolsanddesignations __________________________________________ 10
2.2 Correct disposal of the unit ____________________________________________________________________________ 11
3 Unit overview____________________________________________________________________________________________ 12
3.1 Overview, 4000TOCe Sensor ___________________________________________________________________________ 12
3.1.1 Sensor Details ________________________________________________________________________________ 12
3.1.2 High Pressure Applications ______________________________________________________________________ 13
3.1.3 Potential Condensation Applications ______________________________________________________________ 13
3.1.4 High Temperature Applications ___________________________________________________________________ 13
3.2 Overview, M300 TOC _________________________________________________________________________________ 13
3.2.1 1/4DIN _____________________________________________________________________________________ 13
3.2.2 1/2DIN _____________________________________________________________________________________ 14
3.3 Control/Navigation Keys _______________________________________________________________________________ 14
3.3.1 Menu Structure _______________________________________________________________________________ 14
3.3.2 Navigation keys _______________________________________________________________________________ 15
3.3.2.1 Navigating the menu tree _______________________________________________________________ 15
3.3.2.2 Escape _____________________________________________________________________________ 15
3.3.2.3 Enter _______________________________________________________________________________ 15
3.3.2.4 Menu _______________________________________________________________________________ 15
3.3.2.5 Calibration mode _____________________________________________________________________ 15
3.3.2.6 Info mode ___________________________________________________________________________ 15
3.3.3 Navigationofdataentryelds ____________________________________________________________________ 15
3.3.4 Entry of data values, selection of data entry options ___________________________________________________ 16
3.3.5 Navigation with u in Display _____________________________________________________________________ 16
3.3.6 ”Save changes” dialog _________________________________________________________________________ 16
3.3.7 Security Passwords ____________________________________________________________________________ 16
3.4 Display ____________________________________________________________________________________________ 16
4 M300 TOC Installation instruction ___________________________________________________________________________ 17
4.1 Unpacking and inspection of the M300 TOC _______________________________________________________________ 17
4.1.1 Panel cutout dimensional information – 1/4DIN models ________________________________________________ 17
4.1.2 Installation procedure – 1/4DIN models ____________________________________________________________ 18
4.1.3 Panel cutout dimensional information – 1/2DIN models ________________________________________________ 19
4.1.4 Installation procedure – 1/2DIN models ____________________________________________________________ 20
4.1.5 Assembly – 1/2DIN version ______________________________________________________________________ 20
4.1.6 1/2DIN version – Dimension drawings _____________________________________________________________ 21
4.1.7 1/2DIN version – Pipe mounting __________________________________________________________________ 21
4.1.8 1/4DIN version – Dimension drawings _____________________________________________________________ 22
4.2 Connection of power supply ____________________________________________________________________________ 23
4.2.1 1/4DIN housing (panel mount) ___________________________________________________________________ 23
4.2.2 1/2DIN housing (wall mount) ____________________________________________________________________ 24
4.3 ConnectorPINdenition _______________________________________________________________________________ 24
4.3.1 TB1 and TB2 for 1/2DIN and 1/4DIN versions _______________________________________________________ 25
4.3.2 TB3 for 1/2DIN and 1/4DIN versions ______________________________________________________________ 25
4.4 Connection of TOC Sensor _____________________________________________________________________________ 25
5 4000TOCe Installation Instructions __________________________________________________________________________ 26
5.1 Unpacking and inspection of the 4000TOCe _______________________________________________________________ 26
5.2 Installation of the 4000TOCe ___________________________________________________________________________ 26
5.3 Sample Tubing Connections ____________________________________________________________________________ 27
5.4 Sample Conditioning Coil ______________________________________________________________________________ 28
5.5 AC Power Connection _________________________________________________________________________________ 28
5.6 Sensor Connection ___________________________________________________________________________________ 29
6 Placing transmitter in, or out, of service _____________________________________________________________________ 30
6.1 Placing transmitter in service ___________________________________________________________________________ 30
6.2 Placing transmitter out of service _______________________________________________________________________ 30
7 4000TOCe Sensor Operation _______________________________________________________________________________ 31
7.1 Initial Startup _______________________________________________________________________________________ 31
7.2 Initiate Sample Flow __________________________________________________________________________________ 31
7.3 Start TOC Measurement _______________________________________________________________________________ 31
7.4 Normal Operation ____________________________________________________________________________________ 31
7.5 System Suitability Testing ______________________________________________________________________________ 32
7.6 Calibration _________________________________________________________________________________________ 32
7.6.1 TOC Calibration Methods ________________________________________________________________________ 32
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8 Quick Setup _____________________________________________________________________________________________ 33
9 Sensor Calibration _______________________________________________________________________________________ 34
9.1 Enter Calibration Mode ________________________________________________________________________________ 34
10 Conguration ____________________________________________________________________________________________ 35
10.1 EnterCongurationMode ______________________________________________________________________________ 35
10.2 Measurement _______________________________________________________________________________________ 35
10.2.1 Channel Setup ________________________________________________________________________________ 35
10.2.2 Conductivity/Resistivity Temperature Compensation ___________________________________________________ 36
10.2.3 Set Averaging ________________________________________________________________________________ 36
10.3 TOC Setup __________________________________________________________________________________________ 36
10.3.1 TOC General Parameters ________________________________________________________________________ 36
10.3.2 Lamp Control _________________________________________________________________________________ 37
10.3.3 Autobalance _________________________________________________________________________________ 37
10.4 Analog Outputs ______________________________________________________________________________________ 38
10.5 Setpoints __________________________________________________________________________________________ 39
10.6 Alarm _____________________________________________________________________________________________ 42
10.7 Display ____________________________________________________________________________________________ 43
10.7.1 Measurement _________________________________________________________________________________ 43
10.7.2 Resolution ___________________________________________________________________________________ 43
10.7.3 Backlight ____________________________________________________________________________________ 43
10.7.4 Name ______________________________________________________________________________________ 44
10.8 Hold Analog Outputs _________________________________________________________________________________ 44
11 System _________________________________________________________________________________________________ 45
11.1 Set Language _______________________________________________________________________________________ 45
11.2 Passwords _________________________________________________________________________________________ 45
11.2.1 Changing Passwords __________________________________________________________________________ 46
11.2.2 ConguringMenuAccessforOperator _____________________________________________________________ 46
11.3 Set/Clear Lockout ____________________________________________________________________________________ 46
11.4 Reset _____________________________________________________________________________________________ 46
11.4.1 Reset System _________________________________________________________________________________ 47
11.4.2 Reset Analog Calibration ________________________________________________________________________ 47
11.4.3 Reset Sensor Calibration Data to Factory Settings _____________________________________________________ 47
11.4.4 Reset Calibration Data of Sensor Electronics to Factory Settings __________________________________________ 47
12 4000TOCe Sensor Service Requirements _____________________________________________________________________ 48
12.1 UV Lamp Replacement ________________________________________________________________________________ 48
12.2 High Capacity Inlet Filter Replacement ____________________________________________________________________ 49
12.3 Front Panel Cleaning _________________________________________________________________________________ 49
12.4 Technical Support ____________________________________________________________________________________ 50
12.5 Draining and Shipping Instructions ______________________________________________________________________ 50
13 M300 TOC Service _______________________________________________________________________________________ 51
13.1 Enter Service Menu ___________________________________________________________________________________ 51
13.2 Diagnostics ________________________________________________________________________________________ 51
13.2.1 Model/Software Revision ________________________________________________________________________ 51
13.2.2 Display _____________________________________________________________________________________ 51
13.2.3 Keypad _____________________________________________________________________________________ 52
13.2.4 Memory _____________________________________________________________________________________ 52
13.2.5 Set Relay ____________________________________________________________________________________ 52
13.2.6 Read Relays _________________________________________________________________________________ 52
13.2.7 Set Analog Outputs ____________________________________________________________________________ 53
13.2.8 Read Analog Outputs ___________________________________________________________________________ 53
13.3 Calibrate ___________________________________________________________________________________________ 53
13.3.1 Verify Conductivity Electronics ____________________________________________________________________ 53
13.3.2 Calibrate Analog ______________________________________________________________________________ 53
13.3.3 Calibrate Unlock ______________________________________________________________________________ 54
13.4 Tech Service ________________________________________________________________________________________ 54
14 Info ____________________________________________________________________________________________________ 55
14.1 Info Menu __________________________________________________________________________________________ 55
14.2 Messages __________________________________________________________________________________________ 55
14.3 Calibration Data _____________________________________________________________________________________ 55
14.4 Model/Software Revision ______________________________________________________________________________ 56
14.5 TOC Sensor Info _____________________________________________________________________________________ 56
15 Troubleshooting the M300 TOC Transmitter ___________________________________________________________________ 57
15.1 Changing the Fuse ___________________________________________________________________________________ 57
15.2 Warning- and Alarm indication on the display _____________________________________________________________ 58
15.2.1 Warning indication ____________________________________________________________________________ 58
15.2.2 Alarm indication ______________________________________________________________________________ 58
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16 Troubleshooting the 4000TOCe Sensor _______________________________________________________________________ 59
16.1 Basic Troublshooting _________________________________________________________________________________ 59
16.2 Fault and Error Messages ______________________________________________________________________________ 59
17 Accessories and Spare Parts _______________________________________________________________________________ 61
17.1 M300 TOC Transmitter ________________________________________________________________________________ 61
17.2 4000TOCe Sensor ___________________________________________________________________________________ 61
17.2.1 4000TOCe Sensor Spare Parts ___________________________________________________________________ 61
17.2.2 4000TOCe Sensor Consumable Items _____________________________________________________________ 61
18 Specications ___________________________________________________________________________________________ 62
18.1 4000TOCe _________________________________________________________________________________________ 62
18.2 M300 TOC _________________________________________________________________________________________ 63
18.2.1 ElectricalSpecicationsfor1/2DINand1/4DINversions _______________________________________________ 63
18.2.2 MechanicalSpecicationsfor1/4DINmodels ________________________________________________________ 63
18.2.3 MechanicalSpecicationsfor1/2DINversion ________________________________________________________ 63
18.2.4 EnvironmentalSpecicationsfor1/2DINand1/4DINversions ___________________________________________ 64
19 Default Tables ___________________________________________________________________________________________ 65
19.1 M300 TOC Default Settings ____________________________________________________________________________ 65
19.2 4000TOCe Default Settings ____________________________________________________________________________ 66
20 Certicate ______________________________________________________________________________________________ 67
21 Warranty _______________________________________________________________________________________________ 68
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
1 Introduction
Statement of intended use – The 4000TOCe sensor is a Total Organic Carbon sensor designed
to measure the concentration of organic substances in pure and ultra pure water applications.
TheM300TOCisasinglechanneltransmitterwithalargefourlinebacklitLiquidCrystalDis-
play which conveys measuring and setup information for the 4000TOCe sensor.
When used in combination, the 4000TOCe sensor and M300 TOC transmitter, form a TOC mea-
surement system which provides the design flexibility for full integration into water systems. The
separate components allow for close positioning of the sensor to the sample point for fastest re-
sponse, while allowing integration of the transmitter into the control system.
This manual applies to the 4000TOCe sensor, and M300 TOC transmitter:
4000TOCe
Designation Order no.
4000TOCe Sensor, 110VAC, 50/60 Hz 30 415 866
4000TOCe Sensor, 220VAC, 50/60 Hz 30 415 867
M300 TOC
Designation Order no.
M300 TOC 1/4DIN 30 414 214
M300 TOC 1/2DIN 30 414 212
Throughout this man ual, the terms ‘M300’ and ‘M300 TOC’ are used. Within the context of this
document, both terms should be taken to refer to the M300 TOC transmitter.
The print screen images in this manual have a general explaining character and can differ from
the real display in your transmitter.
This description corresponds to the firmware release, version 1.0 of the M300 TOC transmitter.
Changes are taking place constantly, without prior notification
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
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2 Safety instructions
This manual includes safety information with the following designations and formats.
2.1 Denitionofequipmentanddocumentationsymbols
and designations
a
WARNING: POTENTIAL FOR PERSONAL INJURY.
a
CAUTION: possible instrument damage or malfunction.
h
NOTE: Important operating information.
a
On the transmitter or in this manual text indicates: Caution and/or other possible hazard in-
cluding risk of electric shock (refer to accompanying documents).
The following is a list of general safety instructions and warnings. Failure to adhere to these in-
structionscanresultindamagetotheequipmentand/orpersonalinjurytotheoperator.
• The M300 Transmitter should be installed and operated only by personnel familiar with
thetransmitterandwhoarequalifiedforsuchwork.
• The M300 Transmitter must only be operated under the specified operating conditions
(see section 18).
• Repair of the M300 Transmitter must be performed by authorized, trained personnel only.
• With the exception of routine maintenance, cleaning procedures or fuse replacement, as
described in this manual, the M300 Transmitter must not be tampered with or altered in
any manner.
• METTLER TOLEDO accepts no responsibility for damage caused by unauthorized modifi-
cations to the transmitter.
• Follow all warnings, cautions, and instructions indicated on and supplied with this product.
• Installequipmentasspecifiedinthisinstructionmanual.Followappropriatelocaland
national codes.
• Protective covers must be in place at all times during normal operation.
• Ifthisequipmentisusedinamannernotspecifiedbythemanufacturer,theprotection
provided by it against hazards may be impaired.
WARNINGS:
• Installationofcableconnectionsandservicingofthisproductrequireaccesstoshock
hazard voltage levels.
• Main power and relay contacts wired to separate power source must be disconnected be-
fore servicing.
• Switchorcircuitbreakershallbeincloseproximitytotheequipmentandwithineasy
reachoftheOPERATOR;itshallbemarkedasthedisconnectingdevicefortheequip-
ment.
• Main power must employ a switch or circuit breaker as the disconnecting device for the
equipment.
• Electrical installation must be in accordance with the National Electrical Code and/or any
other applicable national or local codes.
a
4000TOCe Sensor 11
© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
• Safetyandperformancerequirethatthisinstrumentbyconnectedandproperlygrounded
through a three-wire power source.
h
NOTE! RELAY CONTROL ACTION: the M300 transmitter relays will always de-energize on loss of
power,equivalenttonormalstate,regardlessofrelaystatesettingforpoweredoperation.Config-
ure any control system using these relays with fail-safe logic accordingly.
h
NOTE! PROCESS UPSETS: Because process and safety conditions may depend on consistent
operation of this transmitter, provide appropriate means to maintain operation during sensor
cleaning, replacement or sensor or instrument calibration.
h
NOTE: This is a 4-wire-product with an active 4–20 mA analog output.
Please do not supply power to Pin1–Pin6 of TB2.
2.2 Correct disposal of the unit
When the transmitter is finally removed from service, observe all local environmental regulations
for proper disposal.
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
3 Unit overview
M300 models are available in both a 1/4DIN and 1/2DIN case size. The 1/4DIN is a panel-
mount only design and the 1/2DIN models provide an integral IP65 housing for wall-, or pipe-
mount.
3.1 Overview, 4000TOCe Sensor
3.1.1 Sensor Details
The 4000TOCe Sensor is a Total Organic Carbon sensor designed for use with the M300 TOC
transmitter. The M300 TOC will automatically identify the 4000TOCe Sensor when it is connect-
ed, and all factory calibration data is automatically read and used for operation and indication.
The 4000TOCe Sensor and M300 TOC transmitter are configured with factory default settings to
minimize measurement setup time. These default settings allow for sensor operation with mini-
malkeystrokes.The4000TOCeSensorhasmorefeaturesthanothersensorsandmayrequire
additional configuration dependant upon the operational setup. Once these parameters are set,
theTOCsensorwillfunctionautomatically,andwillrequireuserinterfaceonlyforperiodicser-
vice and maintenance. Measurements available from the 4000TOCe Sensor include TOC, Con-
ductivity/Resistivity (compensated and uncompensated) and Temperature.
The 4000TOCe Sensor is designed with four local LED indicators and a UV Lamp control key on
the front panel, as shown in the illustration below. The LEDs are designed to provide local indi-
cation of sensor status. The operation of the LEDs is synchronized with the M300 TOC display
status messages that appear in the INFO/Messages menu.
Function Color Operation
Fault Red Flashes during Fault condition, sensor operation stopped
Error Amber Illuminates during Error condition, sensor remains operational
Sensor Status Green
Illuminates whenever AC Power is on and the M300 TOC is
connected to the sensor
UV Lamp On Green Illuminates whenever the UV Lamp is on
The UV Lamp control key is designed to provide a local On/Off control for the UV lamp to allow
forquicklampchange-outandassisttheoperatorduringtroubleshooting,ifnecessary.
NOTE: If the UV Lamp Key is pressed to turn the UV Lamp off, the UV Lamp cannot be turned on
from the M300 TOC, it can only be turned on by pressing the sensor key again.
h
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
The front cover of the sensor is hinged on the left side. Located at the top and bottom right cor-
ners of the sensor enclosure are two triangle-shaped door fasteners. The installation kit provided
with the 4000TOCe sensor includes the special tool needed to loosen these fasteners and open
thefrontdoortotheenclosure.Periodicaccesswillberequiredtoperformroutineserviceand
maintenance. Additional front cover tools are available from METTLER TOLEDO Thornton, Inc.
See Section 17 for part numbers and descriptions.
3.1.2 High Pressure Applications
For installations with process pressure above 85 psig (5.9 barg), the High Pressure Regulator
(p/n58091552)isrequired(seesection5.3).Installationinstructionsaresuppliedwiththe
High Pressure Regulator.
3.1.3 Potential Condensation Applications
Certain ambient and process temperatures may cause condensation to occur inside the
4000TOCe Sensor. The METTLER TOLEDO Thornton Sample Conditioning Coil provided with the
sensor installation kit is designed to reduce condensation conditions by allowing the sample
temperaturetopartiallyequalizewiththeambienttemperature.
3.1.4 High Temperature Applications
For water temperatures above 70°C (158°F), the included Sample Conditioning Coil (p/n 58
091518)isrequired.Inhighpressureapplications,theHighPressureRegulator(p/n58091
552) must be installed upstream of the Sample Conditioning Coil.
3.2 Overview, M300 TOC
3.2.1 1/4DIN
4
5
6
7
8
4.01
[102]
4.01
[102]
EnterInfo
METTLER TOLEDO
ESC
Menu Cal
M300
1
2
3
1: Hard Polycarbonate case 5: USB Interface Port
2: Five Tactile-Feedback Navigation Keys 6: Relay Output Terminals
3: Four-line LCD Display 7: Analog Output Terminals
4: Power Supply Terminals 8: Sensor Input Terminals
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
Printed in USA
3.2.2 1/2DIN
5.90
[150]
5.90
[150]
EnterInfo
CalMenu
M300
1
2
3
ESC
4
5
6
7
8
1: Hard Polycarbonate case 5: USB Interface Port
2: Five Tactile-Feedback Navigation Keys 6: Relay Output Terminals
3: Four-line LCD Display 7: Analog Output Terminals
4: Power Supply Terminals 8: Sensor Input Terminals
3.3 Control/Navigation Keys
3.3.1 Menu Structure
Below is the structure of the M300 menu tree:
Analog Outputs
Set Points
Measurement
Mode M300
CalMenu Info
Quick Setup
Configure
System Service
Messages Calibration Data
Measurement
Analog Outputs
Set Points
Alarm
TOC Setup
Display
Flow Control
Hold outputs
Set Language
USB
Passwords
Set/Clear Lockout
Reset
Diagnostic
Calibrate
Tech Service
Model/Software
Revision
TOC Sensor Info
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
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3.3.2 Navigation keys
Menu Cal
Info
Enter
ESC
3.3.2.1 Navigating the menu tree
Enter the desired main Menu branch with the or keys. Use the and keys to navi-
gate through the selected Menu branch.
h
NOTE: In order to back up one menu page, without escaping to the measurement mode,
move the cursor under the UP Arrow character (u) at the bottom right of the display screen and
press [Enter].
3.3.2.2 Escape
Press the and key simultaneously (escape) to return to the Measurement mode.
3.3.2.3 Enter
Use the e key to confirm action or selections.
3.3.2.4 Menu
Press the key to access the main Menu.
3.3.2.5 Calibration mode
Press the key to enter Calibration Mode.
3.3.2.6 Info mode
Press the key to enter Info Mode
3.3.3 Navigationofdataentryelds
Use the key to navigate forward or the key to navigate backwards within the changeable
data entry fields of the display.
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© 08/ 17 METTLER TOLEDO Thornton 4000TOCe Sensor
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3.3.4 Entry of data values, selection of data entry options
Use the key to increase or the key to decrease a digit. Use the same keys to navigate with-
in a selection of values or options of a data entry field.
h
NOTE:Somescreensrequireconfiguringmultiplevaluesviathesamedatafield(ex:configuring
multiple setpoints). Be sure to use the or key to return to the primary field and the or
key to toggle between all configuration options before entering to the next display screen.
3.3.5 Navigation with u in Display
If a u is displayed on the bottom right hand corner of the display, you can use the or the
key to navigate to it. If you click [ENTER] you will navigate backwards through the menu
(go back one screen). This can be a very useful option to move back up the menu tree without
having to exit into the measuring mode and re-enter the menu.
3.3.6 ”Save changes” dialog
Three options are possible for the ”Save changes” dialog: Yes & Exit (Save changes and exit to
measuring mode), ”Yes & u” (Save changes and go back one screen) and ”No & Exit” (Don’t
save changes and exit to measuring mode). The ”Yes & u” option is very useful if you want to
continue configuring without having to re-enter the menu.
3.3.7 Security Passwords
The M300 transmitter allows a security lock-out of various menus. If the security lock-out
feature of the transmitter has been enabled, a security password must be entered to allow ac-
cess to the menu. See section 11.3 for more information.
3.4 Display
h
NOTE: In the event of an alarm or other error condition the M300 Transmitter will display a flash-
ing a in the upper right corner of the display. This symbol will remain until the condition that
caused it has been cleared.
h
NOTE: During calibrations with Analog Output/Relay/USB in Hold state, a flashing H will appear
in the upper left corner of the display. This symbol will remain for 20 seconds until after the cali-
bration is completed.
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4 M300 TOC Installation instruction
4.1 Unpacking and inspection of the M300 TOC
Inspect the shipping container. If it is damaged, contact the shipper immediately for instructions.
Do not discard the box.
If there is no apparent damage, unpack the container. Be sure all items shown on the packing
list are present.
If items are missing, notify METTLER TOLEDO immediately.
4.1.1 Panel cutout dimensional information –
1/4DIN models
1/4DIN Model transmitters are designed for panel-mount installation only. Each transmitter is
supplied with mounting hardware to provide fast and simple installation to a flat panel or flat en-
closure door. To insure a good seal and maintain IP integrity of installation, the panel or door
must be flat and have a smooth finish. Hardware consists of:
2 snap-on Mounting brackets
1 mounting gasket seal
Transmitter dimensions and mounting are shown in the figures below.
3.62
+0.02
–0
[92
+0.5
]
–0
3.62
+0.02
–0
[92
+0.5
]
–0
PANEL CUT-OUT
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4.1.2 Installation procedure – 1/4DIN models
• Make cutout in panel (see dimensions cutout drawing).
• Be sure surface surrounding cutout is clean, smooth and free of burrs.
• Slide face gasket (supplied with transmitter) around transmitter from the back of the unit.
• Place transmitter into cutout hole. Be sure there are no gaps between the transmitter
and panel surface.
• Place the two mounting brackets on either side of the transmitter as shown.
• While holding transmitter firmly into the cutout hole, push the mounting brackets
toward the backside of panel.
• Once secure, use a screwdriver to tighten the brackets against the panel. In order to pro-
vide IP65 environmental enclosure rating, the two clamps provided shall be securely
tightenedtocreateanadequatesealbetweenthepanelenclosureandM300frontface.
• Face gasket will compress between transmitter and panel.
a
CAUTION: Do not over tighten brackets.
4.01
[102]
4.33
[110]
3.55
[90]
4.01
[102]
3.55
[90]
4.01
[102]
4.96
[126]
1.77
[45]
3.54
[90]
4.33
[110]
MAX. 0.118
[3]
FLAT GASKET
MOUNTING SCREW
2 PLACES
MOUNTING
BRACKET
2 PLACES
PowerFuse
USB
1234567
1234567
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
4.92
[125]
4.01
[102]
4.33
[110]
3.55
[90]
4.01
[102]
3.55
[90]
4.01
[102]
4.96
[126]
1.77
[45]
3.54
[90]
4.33
[110]
MAX. 0.118
[3]
FLAT GASKET
MOUNTING SCREW
2 PLACES
MOUNTING
BRACKET
2 PLACES
PowerFuse
USB
1234567
1234567
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
4.92
[125]
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4.1.3 Panel cutout dimensional information –
1/2DIN models
Belowarecut-outdimensionsrequiredbythe1/2DINmodelswhenmountedwithinaflatpanel
or on a flat enclosure door. This surface must be flat and smooth. Textured or rough surfaces are
not recommended and may limit the effectiveness of the gasket seal provided.
5.39
+0.02
–0.00
[137
+0.5
]
–0.0
5.39
+0.02
–0.00
[137
+0.5
]
–0.0
PANEL CUT-OUT
h
NOTE:Anoptionalaccessoryisrequiredtopanelmountthe1/2DINmodels.
Refer to Section 17 “Accessories and Spare Parts” for ordering information.
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4.1.4 Installation procedure – 1/2DIN models
General:
• Orient the transmitter so that the cable grips face downward.
• Wiring routed through the cable grips shall be suitable for use in wet locations.
• In order to provide IP65 enclosure ratings, all cable glands must be in place. Each cable
gland must be filled using a cable, or suitable Cable Gland Hole Seal.
For Wall Mount:
• Remove rear cover from front housing.
• Start by unscrewing the four screws located on the face of the transmitter, in each corner.
This allows the front cover to swing away from the rear housing.
• Removethehinge-pinbysqueezingthepinfromeachend.
This allows the front housing to be removed from the rear housing.
• Mount rear housing to wall. Secure mounting kit to the M300 according to the supplied
instructions. Attach to wall using appropriate mounting hardware for wall surface. Be
sure it is level and securely fastened and the installation adheres to any and all clearance
dimensionsrequiredfortransmitterserviceandmaintenance.Orientthetransmitterso
that the cable grips are facing downward.
• Reattach the front housing to the rear housing. Securely tighten the rear-cover screws to
ensure that IP65 enclosure environmental rating is provided. The unit is ready to be
wired.
For Pipe Mount:
• Use only manufacturer-supplied components for pipe-mounting the M300 transmitter and
install per the supplied instructions. See section 17 for ordering information.
4.1.5 Assembly – 1/2DIN version
1
2
3
1: 3 Pg 13.5 cable glands
2: 2 plastic plugs
3: 4 screws
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Mettler Toledo 4000TOCe Sensor Operating instructions
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