Mettler Toledo M400 Especificações Página 40
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Transmitter Multiparameter M400 40
© 11 / 08 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M400
Printed in Switzerland 52 121 378
ISM (digital) Sensor
If an ISM sensor is connected, the transmitter automatically (Parameter = Auto) recognizes
the type of sensor. You can also fix the transmitter to a certain measurement parameter
(Parameter = pH / ORP, Cond (2), Cond(4), O
2
hi or 0
2
lo), depending on the type of transmitter
you have. Choose the display setting for line a, b, c, d.
Measurement parameter Type
pH / ORP = pH or ORP 1,2,3
Cond (2) = 2 electrode conductivity* 1,2,3
Cond (4) = 4 electrode conductivity* 1,2,3
O
2
hi = Dissolved oxygen (ppm) 2,3
O
2
lo = Dissolved oxygen (ppb, traces*) 3
O
2
opt hi = Dissolved oxygen (ppm) optical 2,3
O
2
opt lo = Dissolved oxygen (ppb) optical 3
* Available as of Q4 / 2008
Pressing the [ENTER] key again will bring up the Save Changes dialog. Selecting No will
discard the entered values and return to the measurement display screen, selecting Yes will
save changes made.
8.2.2 Temperature Source (Not used with ISM Sensors)
Press the [ENTER] key to select this: Menu / Configure / Measurement / Temperature Source.
The following options can be chosen:
Auto: The transmitter automatically recognizes the temperature source.
Use NTC22K: Input will be taken from the sensor attached.
Use Pt1000: Temperature input will be taken from the sensor attached.
Use Pt100: Input will be taken from the sensor attached.
Fixed = 25 °C: Allows a specific temperature value to be entered. It must be chosen when
customer use pH sensor without temperature source.
8.2.3 pH / O
2
Parameter related settings
Press [ENTER] to select this: Menu / Quick Setup / Channel select ISM / Parameter.
Additional measurement and calibration parameters can be set for each parameter; conductivity,
pH and O
2
.
For more details, please see the following explanations depending on the selected parameter.
8.2.3.1 Conductivity Temperature Compensation
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 ”Standard” and ”Linear”. Press [ENTER] and save changes.
Standard compensation includes compensation for non-linear high purity effects as well as
conventional neutral salt impurities and conforms to ASTM standards D1125 and D5391.
- Operation Manual 1
- Multiparameter 1
- Transmitter M400 1
- 1 Introduction 7
- 2 Safety instructions 7
- WARNINGS: 8
- 3 Unit overview 9
- 3.2.1 Menu Structure 10
- 3.2.2 Navigation keys 10
- ↑ in Display 11
- 3.2.6 ”Save changes” dialog 12
- 3.2.7 Security Passwords 12
- 3.3 Display 12
- 4 Installation instruction 13
- 4.1.2 Installation procedure 14
- �40 ... �60 mm 15
- �1.57... �2.36" 15
- 4.2.1 Housing (wall mount) 16
- 4.3 Connector PIN definition 17
- 4.3.1 TB1 and TB2 17
- 4.4.2 AK9 Cable Assignment 20
- A B C D E F S 21
- 4.4.4 VP Cable Assignment 22
- 4.4.5.1 Example 1 23
- 4.4.5.2 Example 2 24
- 4.4.5.3 Example 3 25
- 4.4.5.4 Example 4 26
- A B C D E F 29
- 6 Quick Setup 31
- 7 Sensor Calibration 32
- 7.3 Oxygen Calibration 33
- 7.3.3 Process Calibration 34
- 7.4 pH Calibration 35
- 7.4.1 One point calibration 35
- 7.4.2 Two point calibration 36
- 7.4.3 Process calibration 36
- 7.4.4 mV calibration 36
- 7.7 Sensor Verification 38
- 8 Configuration 39
- 8.2.3 pH / O 40
- Parameter related settings 40
- 8.2.3.2 pH Parameters 41
- 8.2.4 Set Averaging 42
- 8.3 Analog Outputs 43
- 8.4 Setpoints 44
- 8.5 Alarm / Clean 45
- 8.5.1 Alarm 45
- 8.5.2 Clean 46
- 8.6.1 Sensor Monitoring 46
- 8.6.2 CIP Cycle Limit 47
- 8.6.3 SIP Cycle Limit 48
- 8.7 Display 49
- 8.7.1 Measurement 49
- 8.7.2 Resolution 50
- 8.7.3 Backlight 50
- 8.7.4 Name 50
- 8.8 Hold Analog Outputs 51
- 9 System 52
- 9.3 Passwords 53
- 9.3.1 Changing Passwords 53
- 9.4 Set / Clear Lockout 54
- 9.5 Reset 54
- 9.5.1 Reset System 54
- 9.6 Set Date & Time 55
- 10 PID Setup 56
- 10.1 Enter PID Setup 57
- 10.2 PID Auto / Manual 57
- 10.3 Mode 58
- 10.3.1 PID Mode 58
- 10.4 Tune Parameters 59
- 10.4.3 Proportional Limits 60
- 10.4.4 Corner Points 60
- 10.5 PID Display 60
- 11 Service 61
- 11.1.3 Display 62
- 11.1.4 Keypad 62
- 11.1.5 Memory 62
- 11.1.6 Set Relay 62
- 11.1.7 Read Relays 63
- 11.1.8 Set Analog Outputs 63
- 11.1.9 Read Analog Outputs 63
- 11.2 Calibrate 64
- 11.2.1.1 Temperature 64
- 11.2.1.2 Current 65
- 11.2.1.3 Voltage 65
- 11.2.1.4 Rg Diagnostic 66
- 11.2.1.5 Rr Diagnostics 66
- 11.2.2 Calibrate Analog 67
- 11.2.3 Calibrate Unlock 67
- 11.3 Tech Service 67
- 12 Info 68
- 13 Maintenance 71
- 14 Troubleshooting 71
- 14.1 Changing the Fuse 72
- 16 Specifications 75
- 17 Default tables 77
- 17.2 M400 78
- 17.3 Error messages 80
- 18 Warranty 81
- 19 Buffer tables 82
- 19.3 NIST Technical Buffers 83
- 19.5 Hach buffers 84
- 19.6 Ciba (94) buffers 84
- 19.8 WTW buffers 85
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