Table Of Contents - Michell Instruments Pura User Manual

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
1 INTRODUCTION ................................................................................................1
1.1 Features ............................................................................................................ 1
2 INSTALLATION ..................................................................................................2
2.1 Unpacking the Instrument ................................................................................... 2
2.1.1 Unpacking Pura Advanced Online Hygrometer ................................................. 2
2.1.2 Unpacking Pura SEN (transmitter, no block version) ......................................... 3
2.1.3 Unpacking Pura OEM-single bag, PRM-double bag versions .............................. 4
2.1.4 Unpacking Monitor ........................................................................................ 4
2.2 Pura Advanced Online Components ...................................................................... 5
2.3 Pura SEN ........................................................................................................... 6
2.4 Pura OEM, PRM .................................................................................................. 6
2.5 Monitor .............................................................................................................. 7
2.6 Monitor Panel Layout .......................................................................................... 7
2.7 Transmitter Mounting ......................................................................................... 8
2.7.1 Sensor Block Connection (Recommended Method) .......................................... 8
2.7.2 Direct Pipeline Connection ............................................................................. 9
2.7.3 Pura OEM & PRM Connection ....................................................................... 10
2.8 Sensor Cables .................................................................................................. 11
2.8.1 Self-Assembly ............................................................................................. 11
2.8.2 Cable Selection for Self-Assembled Cables ..................................................... 11
2.8.3 Wiring Connection Between the Transmitter and the Monitor .......................... 12
2.9 Mounting the Monitor ....................................................................................... 13
2.10 Electrical Connections ....................................................................................... 14
2.10.1 High Voltage Power Supply Input ................................................................. 14
2.10.2 Low Voltage Power Supply Input (Optional) .................................................. 15
2.11 Pressure Transducer Connection (Optional) ........................................................ 15
2.12 Transmitter Connections .................................................................................... 16
3 OPERATION ....................................................................................................17
3.1 Set-Up Security Feature .................................................................................... 17
3.1.1 Selecting the Engineering Units .................................................................... 18
3.1.2 Configuring the Alarms ............................................................................... 18
3.1.3 Hysteresis, Make/Break Delay & Delay Type .................................................. 19
3.1.4 Analog Output Scaling ................................................................................ 20
3.1.5 Display Brightness Adjustment ..................................................................... 20
3.2 Pressure Compensation ..................................................................................... 21
3.3 Using a Pressure Transducer ............................................................................. 21
3.3.1 Manual Pressure Input Calibration ................................................................ 21
3.3.2 Automatic Pressure Input Calibration ............................................................ 22
3.4 Using a Fixed Pressure Input in Single Channel Mode .......................................... 22
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Pura Advanced Online Hygrometer User Manual
97074 Issue 10, December 2021