Mettler Toledo M400 Especificações Página 72
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Transmitter Multiparameter M400 72
© 11 / 08 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M400
Printed in Switzerland 52 121 378
14.1 Changing the Fuse
Make sure that the mains cable is unplugged before changing the fuse. This operation should
only be carried out by personnel familiar with the transmitter and who are qualified for such
work.
If the power consumption of the M400 transmitter is too high or a manipulation leads to a
short circuit the fuse will blow. In this case remove the fuse and replace it with one specified
in Section 15.
14.2 Warning- and Alarm list pH
Warnings Description
Warning pH slope > 101% Slope too big
Warning pH Slope < 95% Slope too small
Warning pH Zero > 7.5 pH Zero offset too big
Warning pH Zero < 6.5 pH Zero offset too small
Warning pHGls change < 0.3 Glass electrode resitance changed by more than factor 0.3
Warning pHGls change > 3 Glass electrode resitance changed by more than factor 3
Warning pHRef change < 0.3 Reference electrode resitance changed by more than factor 0.3
Warning pHRef change > 3 Reference electrode resitance changed by more than factor 3
Alarms Description
Watchdog time-out SW/System fault
Error pH Slope > 102% Slope too big
Error pH Slope < 90% Slope too small
Error pH Zero > 8.0 pH Zero offset too big
Error pH Zero < 6.0 pH Zero offset too small
Error pH Ref Res >150 KΩ Reference electrode resistance too big (break)
Error pH Ref Res < 2000 Ω Reference electrode resistance too small (short)
Error pH Gls Res > 2000 MΩ Glass electrode resistance too big (break)
Error pH Gls Res < 5 MΩ Glass electrode resistance too small (short)
14.3 Warning- and Alarm list O
2
Warnings Description
Warning O
2
Slope < –90nA Slope too big
Warning O
2
Slope > –35nA Slope too small
Warning O
2
ZeroPt > 0.3nA Zero offset too big
Warning O
2
ZeroPt < –0.3nA Zero offset too small
Alarms Description
Watchdog time-out SW/System fault
Error O
2
Slope < –110 nA Slope too big
Error O
2
Slope > –30 nA Slope too small
Error O
2
ZeroPt > 0.6 nA Zero offset too big
Error O
2
ZeroPt < –0.6 nA Zero offset too small
- 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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