Operation Manual
Multi-parameter
Transmitter M300
Transmitter Multi-parameter M300
30 216 266
Subject to technical changes.
© 02/2017 Mettler-Toledo GmbH, Process Analytics, Switzerland
30 216 266. Printed in Switzerland
Transmitter M300 3
© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
Printed in Switzerland 30 216 266
Operation Manual
Multi-parameter
Transmitter M300
Transmitter M300 4
© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
Printed in Switzerland 30 216 266
Transmitter M300 5
© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
Printed in Switzerland 30 216 266
Content
1 Introduction ___________________________________________________________________________________________ 9
2 Safety instructions _____________________________________________________________________________________ 10
2.1 Denitionofequipment
and documentation symbols and designations ________________________________________________________________ 10
2.2 Correct disposal of the unit ________________________________________________________________________ 11
3 Unit Overview _________________________________________________________________________________________ 12
3.1 M300 1/2 DIN Versions ___________________________________________________________________________ 12
3.2 M300 1/4 DIN Versions ___________________________________________________________________________ 13
3.3 Menu Structure __________________________________________________________________________________ 14
3.4 Display ________________________________________________________________________________________ 15
3.5 Operating Elements _______________________________________________________________________________ 16
3.6 Entry of Data ____________________________________________________________________________________ 16
3.7 Selection Menus _________________________________________________________________________________ 16
3.8 ”Save changes” Dialog ____________________________________________________________________________ 17
3.9 Security Passwords _______________________________________________________________________________ 17
3.10 Graphic Trend Measurement ________________________________________________________________________ 17
3.10.1 Activation Trend Display Screen ______________________________________________________________ 17
3.10.2 Settings for Trend Display Screen _____________________________________________________________ 18
3.10.3 Deactivation Trend Display Screen ____________________________________________________________ 18
4 Installation instruction __________________________________________________________________________________ 19
4.1 Unpackingandinspectionofequipment _______________________________________________________________ 19
4.2 Mounting 1/2 DIN Versions _________________________________________________________________________ 19
4.2.1 Dimensions 1/2 DIN Version ________________________________________________________________ 19
4.2.2 Mounting Procedure – 1/2 DIN Version ________________________________________________________ 20
4.2.3 1/2 DIN – Panel Mounting __________________________________________________________________ 21
4.2.4 1/2 DIN Version – Wall Mounting ____________________________________________________________ 22
4.2.5 1/2 DIN Version – Pipe Mounting ____________________________________________________________ 23
4.3 Mounting 1/4 DIN Versions _________________________________________________________________________ 24
4.3.1 Dimensions 1/4 DIN Versions _______________________________________________________________ 24
4.3.2 Mounting Procedure – 1/4 DIN Versions _______________________________________________________ 25
4.4 Electrical Connection ______________________________________________________________________________ 26
4.5 TerminalDenition _______________________________________________________________________________ 27
4.5.1 TB1terminaldenition–alltransmitterversions _________________________________________________ 28
4.5.2 TB2,TB2AandTB2Bterminaldenition–2-channelversions ______________________________________ 28
4.5.3 TB2,TB2AandTB2Bterminaldenition–1-channelversions ______________________________________ 29
4.5.4 TB3andTB4terminaldenitionforConductivity2-eandConductivity4-e–AnalogSensors ______________ 29
4.5.5 TB3andTB4terminaldenitionforpH/ORP–AnalogSensors ______________________________________ 30
4.5.6 TB3andTB4terminaldenitionforAmperometricOxygenandDissolvedOzone–AnalogSensors _________ 31
4.5.7 TB3andTB4terminaldenitionforpH/ORP,Amperometricoxygen,DissolvedOzoneandConductivity4-e–
ISM Sensors _____________________________________________________________________________ 31
4.5.8 TB3andTB4terminaldenitionforUniCond2-eandUniCond4-e–ISMSensors _______________________ 32
5 Placing transmitter in, or out, of service ___________________________________________________________________ 33
5.1 Placing transmitter in service _______________________________________________________________________ 33
5.2 Placing transmitter out of service ____________________________________________________________________ 33
6 Calibration ___________________________________________________________________________________________ 34
6.1 Sensor Calibration ________________________________________________________________________________ 34
6.1.1 Select Channel ___________________________________________________________________________ 34
6.1.2 Select the desired sensor calibration task ______________________________________________________ 34
6.1.3 Terminate Sensor Calibration ________________________________________________________________ 35
6.2 CalibrationofUniCond2-eandUniCond4-eSensors(ISMSensorsonly) _____________________________________ 35
6.2.1 ConductivityCalibrationofUniCond2-eandUniCond4-eSensors ___________________________________ 35
6.2.1.1 One-Point Calibration ____________________________________________________________ 37
6.2.1.2 Two-Point Calibration ____________________________________________________________ 38
6.2.1.3 Process Calibration _____________________________________________________________ 39
6.2.2 TemperatureCalibrationofUniCond2-eSensorsandUniCond4-eSensors ____________________________ 40
6.2.2.1 One-Point Calibration ____________________________________________________________ 40
6.2.2.2 Two-Point Calibration ____________________________________________________________ 41
6.3 Calibration of Cond2e Sensors or Cond4e Sensors ______________________________________________________ 43
6.3.1 One-Point Calibration _____________________________________________________________________ 43
6.3.2 Two-Point Calibration _____________________________________________________________________ 44
6.3.3 Process Calibration _______________________________________________________________________ 44
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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
Printed in Switzerland 30 216 266
6.4 pH Calibration ___________________________________________________________________________________ 45
6.4.1 One-Point Calibration _____________________________________________________________________ 45
6.4.2 Two-Point Calibration _____________________________________________________________________ 46
6.4.3 Process Calibration _______________________________________________________________________ 46
6.5 ORPCalibrationofpHSensors ______________________________________________________________________ 47
6.6 CalibrationofAmperometricOxygenSensors ___________________________________________________________ 48
6.6.1 One-Point Calibration _____________________________________________________________________ 48
6.6.2 Process Calibration _______________________________________________________________________ 49
6.7 Calibration of O
3
Sensors __________________________________________________________________________ 49
6.7.1 One-Point Calibration ______________________________________________________________________ 50
6.7.2 Process Calibration _______________________________________________________________________ 51
6.8 SensorVerication ________________________________________________________________________________ 52
6.9 UniCond2-eElectronicsCalibration(ISMSensoronly) ___________________________________________________ 52
6.10 MeterCalibration(AnalogSensorsonly) ______________________________________________________________ 53
6.10.1 Resistance(AnalogSensorsonly) ____________________________________________________________ 53
6.10.2 Temperature(AnalogSensorsonly) ___________________________________________________________ 54
6.10.3 Voltage(AnalogSensorsonly) ______________________________________________________________ 55
6.10.4 Current(AnalogSensorsonly) _______________________________________________________________ 56
6.10.5 Rg(AnalogSensorsonly) __________________________________________________________________ 56
6.10.6 Rr(AnalogSensorsonly) __________________________________________________________________ 56
6.11 Analog Output Calibration __________________________________________________________________________ 57
6.12 Maintenance ____________________________________________________________________________________ 57
7 Conguration _________________________________________________________________________________________ 58
7.1 Measurement ___________________________________________________________________________________ 58
7.1.1 Channel Setup ___________________________________________________________________________ 58
7.1.2 Analog sensor ___________________________________________________________________________ 58
7.1.3 ISM sensor ______________________________________________________________________________ 59
7.1.4 Derived Measurements ____________________________________________________________________ 60
7.1.4.1 %Rejectionmeasurement ________________________________________________________ 60
7.1.4.2 CalculatedpH(PowerPlantApplicationsonly) ________________________________________ 60
7.1.5 Display Mode ____________________________________________________________________________ 61
7.1.6 ParameterRelatedSettings _________________________________________________________________ 61
7.1.6.1 Conductivity Settings _____________________________________________________________ 62
7.1.6.2 pH Settings ____________________________________________________________________ 63
7.1.6.3 SettingsforOxygenMeasurementBasedonAmperometricSensors _________________________ 64
7.2 TemperatureSource(AnalogSensorsonly) ____________________________________________________________ 65
7.3 Analog Outputs __________________________________________________________________________________ 65
7.4 Set Points ______________________________________________________________________________________ 66
7.5 ISMSetup(ISMSensorsonly) ______________________________________________________________________ 67
7.5.1 Sensor Monitor ___________________________________________________________________________ 67
7.5.2 CIP Cycle Limit ___________________________________________________________________________ 69
7.5.3 SIP Cycle Limit ___________________________________________________________________________ 69
7.5.4 AutoClave Cycle Limit _____________________________________________________________________ 70
7.5.5 DLI Stress Adjustment _____________________________________________________________________ 71
7.5.6 SAN Cycle Parameters _____________________________________________________________________ 71
7.5.7 ResetCountersforUniCond2-eSensors _______________________________________________________ 72
7.5.8 SetCalibrationIntervalforUniCond2-eSensors _________________________________________________ 72
7.6 General Alarm ___________________________________________________________________________________ 72
7.7 ISM / Sensor Alarm _______________________________________________________________________________ 73
7.8 Clean _________________________________________________________________________________________ 73
7.9 Display Setup ___________________________________________________________________________________ 74
7.10 Digital Inputs ____________________________________________________________________________________ 74
7.11 System ________________________________________________________________________________________ 75
7.12 PID Controller ___________________________________________________________________________________ 76
7.13 Service ________________________________________________________________________________________ 80
7.13.1 Set Analog Outputs _______________________________________________________________________ 80
7.13.2 ReadAnalogOutputs ______________________________________________________________________ 80
7.13.3 SetRelay _______________________________________________________________________________ 80
7.13.4 ReadRelay _____________________________________________________________________________ 80
7.13.5 ReadDigitalInputs _______________________________________________________________________ 80
7.13.6 Memory ________________________________________________________________________________ 81
7.13.7 Display ________________________________________________________________________________ 81
7.13.8 Calibrate TouchPad _______________________________________________________________________ 81
7.13.9 Channel Diagnostic _______________________________________________________________________ 81
7.14 User Management ________________________________________________________________________________ 82
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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
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7.15 Reset __________________________________________________________________________________________ 82
7.15.1 SystemReset ____________________________________________________________________________ 82
7.15.2 ResetSensorCalibrationforUniCond2-eSensors _______________________________________________ 83
7.16 USB Output _____________________________________________________________________________________ 83
7.16.1 PrinterOutputConguration _________________________________________________________________ 84
8 ISM _________________________________________________________________________________________________ 85
8.1 iMonitor ________________________________________________________________________________________ 85
8.2 Messages ______________________________________________________________________________________ 86
8.3 ISM Diagnostics _________________________________________________________________________________ 86
8.3.1 pH/ORP,Oxygen,O
3
and Cond4e Sensors _____________________________________________________ 87
8.3.2 UniCond2-eandUniCond4-eSensors ________________________________________________________ 87
8.4 Calibration Data _________________________________________________________________________________ 88
8.4.1 CalibrationDataforAllISMSensorsexcludingUniCond2-eandUniCond4-e __________________________ 88
8.4.2 CalibrationDataforUniCond2-eandUniCond4-eSensors ________________________________________ 89
8.5 Sensor Info _____________________________________________________________________________________ 89
8.6 HW / SW Version ________________________________________________________________________________ 90
9 Favorites _____________________________________________________________________________________________ 91
9.1 Set Favorite _____________________________________________________________________________________ 91
9.2 Access to Favorites _______________________________________________________________________________ 91
10 Maintenance __________________________________________________________________________________________ 92
10.1 Front panel cleaning ______________________________________________________________________________ 92
11 Software History _______________________________________________________________________________________ 92
11.1 M300 Process __________________________________________________________________________________ 92
11.2 M300 Water ____________________________________________________________________________________ 92
11.3 M300WaterCond/Res ____________________________________________________________________________ 92
12 Troubleshooting _______________________________________________________________________________________ 93
12.1 Conductivity(resistive)Errormessages/
Warning- and Alarm list for analog sensors __________________________________________________________________ 93
12.2 Conductivity(resistive)Errormessages/
Warning- and Alarm list for ISM sensors _____________________________________________________________________ 94
12.3 pH Error messages / Warning- and Alarm list ___________________________________________________________ 94
12.3.1 pHsensorsexceptdualmembranepHelectrodes ________________________________________________ 94
12.3.2 DualmembranepHelectrodes(pH/pNa) _____________________________________________________ 95
12.3.3 ORPmessages __________________________________________________________________________ 95
12.4 Amperometric O
2
Error messages /
Warning- and Alarm list _________________________________________________________________________________ 96
12.4.1 Highleveloxygensensors __________________________________________________________________ 96
12.4.2 Lowleveloxygensensors __________________________________________________________________ 96
12.5 Warning- and Alarm Indication ______________________________________________________________________ 97
12.5.1 Warning Indication________________________________________________________________________ 97
12.5.2 Alarm Indication __________________________________________________________________________ 98
13 Ordering Information, Accessories and Spare Parts ___________________________________________________________ 99
14 Specications ________________________________________________________________________________________ 100
14.1 Generalspecications ____________________________________________________________________________ 100
14.2 Electricalspecications ___________________________________________________________________________ 102
14.3 Environmentalspecications ______________________________________________________________________ 102
14.4 Mechanicalspecications _________________________________________________________________________ 103
15 Warranty ____________________________________________________________________________________________104
16 Buffer tables _________________________________________________________________________________________ 105
16.1 Standard pH buffers _____________________________________________________________________________ 105
16.1.1 Mettler-9 _______________________________________________________________________________ 105
16.1.2 Mettler-10 _____________________________________________________________________________ 106
16.1.3 NIST Technical Buffers ____________________________________________________________________ 106
16.1.4 NISTstandardbuffers(DINandJIS19266:2000–01) __________________________________________ 107
16.1.5 Hach buffers ___________________________________________________________________________ 107
16.1.6 Ciba(94)buffers ________________________________________________________________________ 108
16.1.7 MerckTitrisole,Riedel-de-HaënFixanale _____________________________________________________ 108
16.1.8 WTW buffers ___________________________________________________________________________ 109
16.1.9 JISZ8802buffers _______________________________________________________________________ 109
16.2 Dual membrane pH electrode buffers ________________________________________________________________ 110
16.2.1 Mettler-pH/pNabuffers(Na+3.9M)_________________________________________________________ 110
Transmitter M300 8
© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
Printed in Switzerland 30 216 266
Transmitter M300 9
© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
Printed in Switzerland 30 216 266
1 Introduction
Statement of Intended Use – The M300 is a 4-wire transmitter for analytical measurements with
4(0)to20mAoutputsignal.TheM300isamulti-parametertransmitterforpH/ORP,conductiv-
ity,dissolvedoxygenanddissolvedozonemeasurementandavailableas1-channelor2-chan-
nel version. It is compatible with analog and ISM sensors.
The M300 transmitter is designed for use in the process industries, in non-hazardous areas.
M300 parameter fit guide for 1-channel and 2-channel versions
M300 Process M300 Water
1)
M300 Water Cond/Res
Analog ISM Analog ISM Analog ISM
pH/ORP • • • • – –
pH/pNa – • – • – –
UniCond 2-e – • – • – –
UniCond 4-e – • – • – –
Conductivity 2-e • – • – • –
Conductivity 4-e • • • • • –
Amp.Dissolvedoxygen
ppm / ppb
• / •
2)
• – / •
2)
– / • – –
Dissolved Ozone • • • • – –
1) Measuredtemperatureshigherthan100°C(212°F)arenotdisplayed.
2) THORNTONHighperformancedissolvedoxygensensoronly
A black & white touch screen conveys measuring data and setup information. The menu struc-
ture allows the operator to modify all operational parameters. A menu-lockout feature, with pass-
word protection, is available to prevent the unauthorized use of the meter. The M300 Multi-pa-
rameter transmitter can be configured to use up to four analog and / or up to four relay outputs
for process control.
TheM300Multi-parametertransmitterisequippedwithaUSBcommunicationinterface.Thisin-
terface provides up- and download capabilities of the transmitter configuration via a Personal
Computer(PC).
This description corresponds to the firmware release, version 1.0. Changes are taking place
constantly, without prior notification.
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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
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2 Safety instructions
This manual includes safety information with the following designations and formats.
2.1 Denitionofequipment
and documentation symbols and designations
a
WARNING:POTENTIALFORPERSONALINJURY.
a
CAUTION: Possible instrument damage or malfunction.
h
NOTE: Important operating information.
a
Onthetransmitterorinthismanualtextindicates: Caution and / or other possible hazard includ-
ingriskofelectricshock(refertoaccompanyingdocuments).
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
(seechapter14“Specifications”).
– RepairoftheM300Transmittermustbeperformedbyauthorized,trainedpersonnelonly.
– Withtheexceptionofroutinemaintenance,cleaningprocedures,asdescribedinthismanu-
al, the M300 Transmitter must not be tampered with or altered in any manner.
– Mettler-Toledo accepts no responsibility for damage caused by unauthorized modifications
to the transmitter.
– Follow all warnings, cautions, and instructions indicated on and supplied with this product.
– Installequipmentasspecifiedinthisinstructionmanual.Followappropriatelocalandna-
tional codes.
– Protective covers must be in place at all times during normal operation.
– Ifthisequipmentisusedinamannernotspecifiedbythemanufacturer,theprotectionpro-
vided by it against hazards may be void.
a
WARNINGS:
– Installationofcableconnectionsandservicingofthisproductrequireaccesstoshockhazard
voltage levels.
– Main power and relay contacts wired to a separate power source must be disconnected be-
fore servicing.
– Switchorcircuitbreakershallbeincloseproximitytotheequipmentandwithineasyreach
oftheOPERATOR;itshallbemarkedasthedisconnectingdevicefortheequipment.
– 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.
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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
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h
NOTE: RELAY CONTROL ACTION
theM300Transmitterrelayswillalwaysde-energizeonlossofpower,equivalenttonor-
mal state, regardless of relay state setting for powered operation. Configure 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 trans-
mitter, provide appropriate means to maintain operation during sensor cleaning, replace-
ment, or sensor or instrument calibration.
h
NOTE: This is a 4-wire-product with an active 4–20 mA analog output.
Donotsupplypowertotheanalogoutputterminals(TB2:terminal1to8,
TB2A:terminal1to4andTB2B:terminal1to4).
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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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
Printed in Switzerland 30 216 266
3 Unit Overview
TheM300transmitterisavailableas1/2DINand1/4DINversion.
Fordimensionsreferto13“OrderingInformation,AccessoriesandSpareParts”.
3.1 M300 1/2 DIN Versions
3
4
5
TB3
1
23
45
6
7
8910
11
12 13
14 15
16
17
18
TB4
1
23
45
6
7
8910
11
12 13
14 15
16
17
18
PWR
LN
8
7
6
54
32
1
TB1
!
150 mm/5.9"
150 mm/5.9"
1
2
7
TB2
6
8
9
Fig.1: M300 1/2 DIN versions
1 Hard Polycarbonate case
2 Black & White touchscreen
3 TB3 – Terminal block for sensor connection
4 TB4 – Terminal block for sensor connection, for 2-channel versions only
5 Terminals for supply voltage
6 TB1 – Terminal block for relay outputs
7 TB2 – Terminal block for analog output and digital input signals
8 USB Device – Software update interface
9 USB Host – Printer connection, data logging
1)
, loading and saving configuration
1)
1)Inpreparation
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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
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3.2 M300 1/4 DIN Versions
1
2
3
4
112 mm/4.41"
112 mm/4.41"
5
7
6
89
Fig.2: M300 1/4 DIN versions
1 Hard Polycarbonate case
2 Black & White touchscreen
3 Terminals for supply voltage
4 TB1 – Terminal block for relay outputs
5 TB4 – Terminal block for sensor connection, for 2-channel versions only
6 TB3 – Terminal block for sensor connection
7 USB Host – Printer connection, data logging
1)
, loading and saving configuration
1)
8 USB Device – Software update interface
9 TB2A, TB2B – Terminal block for analog output and digital input signals
1)Inpreparation
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3.3 Menu Structure
BelowisthestructureoftheM300menutree:
c
Calibration
Calibrate Sensor
Calibrate
Electronics
Calibrate Meter
Calibrate
Analog Outputs
Calibrate
Analog Inputs
Maintenance
Set Favorite
S
Favorite
iMonitor
Messages
ISM Diagnostics
Calibration Data
Sensor Info
HW/SW Version
C
Configuration
Measurement
Analog Outputs
Set Points
ISM Setup
General Alarm
ISM/Sensor Alarm
Display Setup
Digital Inputs
System
PID Controller
Service
User Management
Reset
USB Output
Clean
Channel Setup
Display Mode
Parameter Setting
Temperature Source
Menu Screen
M300
Pharma Waters
Verify
Fig.3: Menu overview
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3.4 Display
1
2
3
4
5
A B
C
1
Fig.4: M300 Display, navigation
A Start screen (example)
1 Changingbetweenchannel1andchannel2,only2-channelversions
2 1st line, standard configuration
3 2nd line, standard configuration
4 3rd line, depends on configuration
5 4th line, depends on configuration
B Menu screen (example)
C ISM Menu screen
h
NOTE: In the event of an alarm or other error conditions the M300 Transmitter will display a
symbol in the head line of the display. This head line is blinking until the condition that caused it
hasbeencleared(seechapter12.5“Warning-andAlarmIndication”).
h
NOTE: Duringcalibrations,clean,DigitalInwithAnalogOutput/Relay/USBinHOLDstate,a
flashing”H”(HOLD)willappearintheupperrightcornerofthedisplayforthecorresponding
channel. This symbol will remain for 20 sec., after end of calibration. This symbol will remain
for 20 seconds until after the calibration or clean is completed. This symbol will also disappear
when Digital In is deactivated.
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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
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3.5 Operating Elements
Operating element Description
*
Enter Messages menu
F
Enter Menu screen
s
Enter Start screen
Enter ISM menu
S
Enter Favorite menu
c
Enter Calibration menu
C
EnterCongurationmenu
H
ReturntoMenuscreen
►
Enternext-lowermenulevel,heree.g.iMonitor,MessagesorISMDiagnostics
p
Returntonext-highermenulevel
< >
• Change between pages within one menu level
• Changebetweenchannel1andchannel2,only2-channelversions
e
Conrmvaluesandselectedoptions.PressESCandthechangesarenot
stored.
3.6 Entry of Data
The M300 displays a keypad for modifying values. Press the e button and the transmitter will
storethevalue.PresstheESCbuttontoexitthekeypadwithoutchangingdata.
h
NOTE: For some values, the units can be modified. In this case the keypad shows a button with
a U. To select another unit for the entered value on the keypad press the U button. To return
again press the 0–9 button.
h
NOTE: For some entries letters and/or numbers can be used. In this case the keypad shows a
button ‘A,a,0’. Press this button to change between capital letters, small letters and numbers on
the keypad.
3.7 Selection Menus
Somemenusrequireaselectionofaparameter/data.Inthiscasethetransmitterdisplaysa
pop up window. Press the according field to select the value. The pop-up window will be closed
and the selection will be stored.
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© 02/2017 Mettler-Toledo GmbH, CH-8606 Greifensee, Switzerland Transmitter M300
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3.8 ”Save changes” Dialog
If the M300 brings up the ”Save changes” dialog there are the following options. No will discard
theenteredvalues,YeswillsavechangesmadeandCancelwillbringyoubacktocontinue
configuring.
3.9 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-
cesstothemenu.Seechapter7.14“UserManagement”.
3.10 Graphic Trend Measurement
Any single measurement may be displayed as a trend measurement over time. Measurement
valueswillbeindicatedbyavalueontheY-axisandtimeelapsedontheX-axisofthegraph
displayed. An actual measurement for the selected value will also be displayed numerically
above the graphic trend display. The measurement value is refreshed once per second.
Graphictrendingwillonlydisplaythedatawithinmaximum/minimumrange.Outofrangeval-
uesorinvalidvalueswillnotbedisplayed.TheY-axiswilldisplaythemaximumvalueunitwith
itsrange;X-axisunituses“mins”forminutesformeasurementslessthanonehourand“hrs”for
oneday.4scalesforX/Y-axis.ThemaximumvalueonY-axisisonedecimalplace.
3.10.1 Activation Trend Display Screen
WhiletheM300displaystheMenuScreen,touchanymeasurementvalueline(1-chan,2-chan,
4-meas)ofthedisplayscreenoncetoactivatethetrenddisplayforthatmeasurement.
Ifasensorisdisconnected/connectedapop-upwindowcomeup;afterclosingthewindow,it
will go back to the Menu Screen.
The top line will display for any message occurring during trending. ”H”, ”P”,”AB” will display
when this channel is in hold or process.
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3.10.2 Settings for Trend Display Screen
For setting configurations, touch any area of the graphic trend display to go to the pop-up win-
dow of this measurement parameter. Settings are at the default values. However, these settings
may be changed when options are available, as needed.
Time:Optionbutton.Forgraphicdisplaytime(X-axis)
1-h(defaultvalue)
1-day
h
NOTE:1hmeans:1measstorage/15seconds,totally240measurementsfor1h.1day
means:1measstorage/6minutes,totally240measurementsfor1day;
Range:Optionbutton
Default(defaultvalue)
Individual
When“Default”modesaresetforthemaximumorminimumvalue,thisindicatesthefullmea-
surementrangeforthisunit.AMaxorMinbuttonisnotdisplayed.Ifsettingisselectable,the
usercansetmaximumandminimumsettingsmanually.
Max:Editbutton.
MaximumvalueofthisunitonY-axis.xxxxxx,floatingdecimalpoint.
Min:Editbutton.
MinimumvalueofthisunitonY-axis.xxxxxx,floatingdecimalpoint.
MaxValue>MinValue
h
NOTE:SettingsforY-andY-axisandthecorrespondingmeasurementvaluesarestoredthetrans-
mitters memory. A power down returns to default settings.
3.10.3 Deactivation Trend Display Screen
Press H in activated graphic trend screen to return to Menu Screen.
h
NOTE:Ifasensorisdisconnected/connectedapop-upwindowcomeup;afterclosingthewin-
dow, it will go back to the Menu Screen.
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4 Installation instruction
4.1 Unpackingandinspectionofequipment
Inspect the shipping container. If it is damaged, contact the shipper immediately for instructions.
Donotdiscardthebox.
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.
4.2 Mounting 1/2 DIN Versions
4.2.1 Dimensions 1/2 DIN Version
136 mm/5.35”
80 mm/3.15"
26 mm
1.02”
68 mm/2.68"
150 mm/5.9"
150 mm/5.9"
136 mm/5.35”
90 mm/3.54"
90 mm/3.54"
137 mm
5.39"
+0.02"
+0.5 mm
137 mm
5.39"
+0.02"
+0.5 mm
1
Fig.5: Dimensions 1/2 DIN version
1 Dimensions for panel cutout
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4.2.2 Mounting Procedure – 1/2 DIN Version
1/2DINversionstransmittersaredesignedforthefollowingmountingversions:panel mount,
wall mount or pipe mount. For wall mount the integral rear cover is used.
Optional hardware accessories are available that allow for panel- or pipe-mount.
Refertosection13“OrderingInformation,AccessoriesandSpareParts”.
Assembly:
1
2
3
Fig.6: Assembly
1 1pieceM25x1.5cablegland
2 4piecesM20x1.5cableglands
3 4 pieces screws
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.
– Tightenthescrewsofthefrontpanelwithatighteningtorqueof1.5Nmto2Nm.
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Mettler Toledo M300 FLOW Operating instructions
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