Michell Instruments Cermet II, User Manual

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Cermet II User’s Manual
iv 97049 Issue 25.3, October 2016
1 INTRODUCTION ................................................................................................1
1.1 Features ............................................................................................................ 1
2 INSTALLATION ..................................................................................................2
2.1 Unpacking the Instrument ................................................................................... 2
2.1.1 Unpacking the Cermet II Transmitter .............................................................. 3
2.1.2 Unpacking the Cermet II Monitor ................................................................... 4
2.1.3 Accessories Pack .......................................................................................... 4
2.2 Cermet II Components ....................................................................................... 5
2.3 Monitor .............................................................................................................. 6
2.4 Monitor Panel Layout .......................................................................................... 6
2.5 Preparation of the Transmitter Cable .................................................................... 7
2.6 Transmitter Mounting .......................................................................................... 8
2.6.1 Transmitter Mounting - Sample Block and Gas Connections (Optional) .............. 9
2.6.2 Transmitter Mounting - Direct Pipeline Connection ......................................... 11
2.6.3 Transmitter Mounting - With Additional Process Connection Adapter .............. 12
2.7 Monitor Mounting ............................................................................................. 13
2.8 Electrical Connections ....................................................................................... 14
2.8.1 High Voltage Power Supply Input ................................................................. 14
2.8.2 Low Voltage Power Supply Input ................................................................. 15
2.9 Pressure Transducer Connection (Optional) ........................................................ 15
2.10 Transmitter Cable Connection ............................................................................ 16
3 OPERATION - MONITOR ...................................................................................17
3.1 Set-Up Security Feature .................................................................................... 17
3.2 Selecting the Engineering Units ......................................................................... 18
3.3 Changing the Setpoint Values ............................................................................ 18
3.4 Hysteresis, Make/Break delay & delay type ......................................................... 19
3.5 Analog Output Scaling ...................................................................................... 19
3.6 Display Brightness Adjustment .......................................................................... 20
3.7 Digital Communications..................................................................................... 20
3.8 Pressure Compensation ..................................................................................... 21
3.9 Using a Pressure Transducer ............................................................................. 21
3.9.1 Manual Pressure Input Calibration ................................................................ 22
3.10 Automatic Pressure Input Calibration ................................................................. 22
3.11 Using a Fixed Pressure Input in Single Channel Mode .......................................... 23
4 OPERATION - TRANSMITTER ............................................................................24
5 MAINTENANCE ................................................................................................25
Contents
Safety ................................................................................................................................vi
Electrical Safety ...........................................................................................................vi
Pressure Safety ............................................................................................................vi
Toxic Materials .............................................................................................................vi
Repair and Maintenance ...............................................................................................vi
Calibration ...................................................................................................................vi
Safety Conformity ........................................................................................................vi
Abbreviations .....................................................................................................................vii
Warnings ...........................................................................................................................vii