Mettler Toledo M300 ISM Spezifikationen Seite 57
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Transmitter M300 57
© 12 / 11 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M300
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8.2.4.1 Conductivity/ResistivityTemperatureCompensation
h
NOTE: The full Temperature Compensation selection is available on Thornton model transmitters
only. All other models provide Standard, Lin 25°C or Lin 20°C compensation.
Select Resistivity and press [ENTER].
The temperature compensation mode for any of the four measurement lines can be selected.
Temperature compensation should be matched to the characteristics of the application.
Choices are ”None”*, ”Standard”, ”Light 84”*, ”Std 75 ºC”*, ”Lin 25°C”, ”Glycol.5”*, ”Glycol1”*,
”Cation”*, ”Alcohol”*, ”Ammonia”* and ”Lin 20°C”.
Standard compensation includes compensation for non-linear high purity effects as well as con-
ventional neutral salt impurities and conforms to ASTM standards D1125 and D5391.
* Std 75 °C compensation is the Standard compensation algorithm referenced to 75°C. This
compensation may be preferred when measuring Ultrapure Water at an elevated temperature.
(Resistivity of ultrapure water compensated to 75 °C is 2.4818 Mohm-cm.
Lin 25 °C compensation adjusts the reading by a factor expressed as a ”% per °C” (deviation
from 25 °C). Use only if the sample has a well-characterized linear temperature coefficient. The
factory default setting is 2.0%/°C.
* Glycol.5 compensation matches the temperature characteristics of 50% ethylene glycol in
water. Compensated measurements using this solution may go above 18 Mohm-cm.
* Glycol1 compensation matches the temperature characteristics of 100% ethylene glycol.
Compensated measurements may go well above 18 Mohm-cm.
* Cation compensation is used in power industry applications measuring the sample after a
cation exchanger. It takes into account the effects of temperature on the dissociation of pure wa-
ter in the presence of acids.
* Alcohol compensation provides for the temperature characteristics of a 75% solution of iso-
propyl alcohol in pure water. Compensated measurements using this solution may go
above 18 Mohm-cm.
* Light 84 compensation matches the high purity water research results of Dr. T.S. Light
published in 1984. Use only if your institution has standardized on that work.
* Ammonia compensation is used in power industry applications for specific conductivity mea-
sured on samples using ammonia and/or ETA (ethanolamine) water treatment. It takes
into account the effects of temperature on the dissociation of pure water in the presence of
these bases.
- OperationManual 1
- TransmitterM300 1
- Transmitter M300 2 2
- Transmitter M300 4 4
- Transmitter M300 5 5
- Transmitter M300 6 6
- Transmitter M300 7 7
- Transmitter M300 8 8
- 1 Introduction 9
- 2 Safetyinstructions 10
- Transmitter M300 11 11
- 3 Unitoverview 12
- 3.3 Control/NavigationKeys 13
- 3.3.1 MenuStructure 13
- 3.3.2 Navigationkeys 13
- Transmitter M300 14 14
- 3.3.6 ”Savechanges”dialog 15
- 3.3.7 SecurityPasswords 15
- 3.4 Display 15
- 4 Installationinstruction 16
- Transmitter M300 17 17
- 1/2DINmodels 18
- Transmitter M300 19 19
- 40 ... 60 mm 20
- 1.57... 2.36" 20
- Transmitter M300 22 22
- 2: Terminal for sensors 23
- 4.3 ConnectorPINdenition 24
- ConductivitySensors 24
- (except58037221) 25
- Transmitter M300 26 26
- A B C D E F S 27
- 4.4.2 VPCableAssignment 28
- 4.4.3.1 Example1 29
- 4.4.3.2 Example2 30
- 4.4.4 Example3 31
- 4.4.4.1 Example4 32
- (except58037221) 33
- InPro 3250i/SG/120 35
- Art.-Nr. 52 005 373 35
- 4.7.2 AK9CableAssignment 36
- (ThorntonModelsonly) 36
- Transmitter M300 37 37
- 6 QuickSetup 38
- 7 SensorCalibration 39
- Transmitter M300 40 40
- (4-electrodesensorsonly) 41
- 7.2.3 ProcessCalibration 42
- 7.3 OxygenCalibration 43
- 7.3.1.1 Automode 43
- 7.3.1.2 Manualmode 44
- 7.3.2 ProcessCalibration 44
- 7.5 pHCalibration 45
- 7.5.1 OnePointCalibration 45
- 7.5.1.1 AutoMode 46
- 7.5.1.2 ManualMode 46
- 7.5.2 TwoPointCalibration 46
- 7.5.2.1 AutoMode 47
- 7.5.2.2 ManualMode 47
- 7.5.3 ProcessCalibration 48
- (notonISMVersion) 49
- (notonISMversion) 50
- 7.8 SensorVerication 51
- 8 Conguration 52
- Transmitter M300 53 53
- 8.2.2.3 CalculatedCO 55
- Transmitter M300 56 56
- Transmitter M300 57 57
- 8.2.4.2 pH/ORPParameters 58
- Transmitter M300 59 59
- 8.2.5 SetAveraging 60
- 8.3 AnalogOutputs 60
- Transmitter M300 61 61
- 8.4 Setpoints 62
- Transmitter M300 63 63
- Transmitter M300 64 64
- 8.5 Alarm/Clean 65
- 8.5.1 Alarm 65
- 8.6 Display 66
- 8.5.2 Clean 66
- 8.6.1 Measurement 67
- 8.6.2 Resolution 67
- 8.6.3 Backlight 67
- 8.6.4 Name 68
- 8.7 HoldAnalogOutputs 68
- 9 System 69
- 9.3 Passwords 70
- 9.3.1 ChangingPasswords 70
- 9.4 Set/ClearLockout 70
- 9.5 Reset 71
- 9.5.1 ResetSystem 71
- Settings 72
- 10 PIDSetup 73
- 10.1 EnterPIDSetup 74
- 10.2 PIDAuto/Manual 75
- 10.3 Mode 75
- 10.3.1 PIDMode 75
- 10.4 TuneParameters 76
- 10.4.3 ProportionalLimits 77
- 10.4.4 CornerPoints 77
- 10.5 PIDDisplay 77
- 11 Service 78
- 11.2.2 DigitalInput 79
- 11.2.3 Display 79
- 11.2.4 Keypad 79
- 11.2.5 Memory 79
- 11.2.6 SetRelay 80
- 11.2.7 ReadRelays 80
- 11.2.8 SetAnalogOutputs 80
- 11.2.9 ReadAnalogOutputs 80
- 11.3 Calibrate 81
- 11.3.1.1 Resistance 81
- 11.3.1.2 Temperature 82
- 11.3.1.3 Current 83
- 11.3.1.4 Voltage 83
- 11.3.1.5 RgDiagnostic 84
- 11.3.1.6 RrDiagnostics 84
- 11.3.2 CalibrateAnalog 85
- 11.3.3 CalibrateUnlock 85
- 11.4 TechService 85
- 12 Info 86
- 12.4 Model/SoftwareRevision 87
- 13 Maintenance 88
- 14 Troubleshooting 89
- Transmitter M300 90 90
- 14.2.3 ORPmessages 91
- (ThorntonModelsonly) 92
- Transmitter M300 93 93
- 14.8.2 Alarmindication 94
- Transmitter M300 95 95
- 16 Specications 96
- Transmitter M300 97 97
- 1/2DINand1/4DINversions 98
- 17 Defaulttables 100
- Transmitter M300 101 101
- Resitivity 102
- Transmitter M300 103 103
- 17.4 M300O 105
- (Single-ChannelInstruments) 105
- Transmitter M300 106 106
- Transmitter M300 107 107
- Transmitter M300 108 108
- Transmitter M300 109 109
- Transmitter M300 110 110
- Transmitter M300 111 111
- ThorntonModelsonly) 112
- Transmitter M300 113 113
- 18 Warranty 114
- 19 Certicate 115
- 20 Buffertables 116
- 20.1.2 Mettler-10 117
- 20.1.5 Hachbuffers 118
- 20.1.6 Ciba(94)buffers 119
- 20.1.8 WTWbuffers 120
- 20.1.9 JISZ8802buffers 120
- Transmitter M300 121 121
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