Michell Instruments XZR250, User Manual

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XZR250 User’s Manual
iv
97528
Issue 5, May 2019
Contents
Safety ................................................................................................................................vi
Electrical Safety ...........................................................................................................vi
Pressure Safety ............................................................................................................vi
Toxic Materials .............................................................................................................vi
Repair and Maintenance ...............................................................................................vi
Calibration ...................................................................................................................vi
Safety Conformity ........................................................................................................vi
Abbreviations .....................................................................................................................vii
Warnings .......................................................................................................................... viii
1 PRODUCT OVERVIEW ........................................................................................ 1
1.1 Components ....................................................................................................... 1
2 INSTALLATION .................................................................................................. 2
2.1 General Guidelines .............................................................................................. 2
2.2 Electrical Connections ......................................................................................... 3
2.3 Mounting Instructions ......................................................................................... 6
2.4 Probe Installation ............................................................................................... 8
3 INITIAL STARTUP ............................................................................................ 10
3.1 Commissioning Checks ...................................................................................... 10
3.2 Switching ON ................................................................................................... 10
3.3 First-time Calibration (field adjustment) ............................................................. 10
4 SYSTEM ELEMENTS ......................................................................................... 11
4.1 Human Machine Interface (HMI) ........................................................................ 11
4.2 On-Screen Settings ........................................................................................... 13
4.3 Menu Structure ................................................................................................ 14
4.4 Configurable Options ........................................................................................ 15
4.5 Security Password ............................................................................................ 15
4.6 Analog Output Ranges ...................................................................................... 17
4.6.1 Display Output ............................................................................................ 18
5 OPERATIONAL CONSIDERATIONS ..................................................................... 20
5.1 Environments ................................................................................................... 20
5.1.1 Operating in Aggressive and Humid Environments ......................................... 20
5.1.2 Protecting from Excessive Moisture ............................................................... 20
5.1.3 Using the Sensor with Silicones .................................................................... 20
5.2 Cross Sensitivity ............................................................................................... 20
5.2.1 Combustible Gases ...................................................................................... 21
5.2.2 Heavy Metals .............................................................................................. 21
5.2.3 Halogen and Sulphur Compounds ................................................................. 21
5.2.4 Reducing Atmospheres ................................................................................ 21
5.2.5 Other ......................................................................................................... 21
6 MAINTENANCE ................................................................................................ 22
6.1 Cleaning .......................................................................................................... 22
6.1.1 Outer Surfaces ............................................................................................ 22
6.1.2 Inner (sampling) tubes ................................................................................ 22
6.2 Calibrating ....................................................................................................... 23
6.2.1 Calibration gas requirements ........................................................................ 24