Emerson IP221 User Manual

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1
Contents
Safety Information 2
1. Introduction
1.1 Sensors 3
Gap Sensors
Hi-Sens
1.2 Interface detection 4
Attenuation method
Reflection method
1.3 Sludge density detection 5
1.4 Head amplifier units 5
Normallay acting
Inverse acting
Summary
1.5 Control Units 6
2. Installation
2.1 Calibration 7
2.2 Sensor and head amplifier installation 10
2.3 Control Unit Installation 12
2.4 Wiring 12
Cables
Head amplifier
Control Unit
2.5 Intrinsically safe application 15
3. Fault Finding 16
4. Specification and description
4.1 Sensors 17
4.2 Head amplifiers 17
4.3 Control Units 18
5. Recommended Spare Parts
Appendices
Appendix I Part Numbers 20
Appendix II List of illustrations 22
Appendix III List of tables 22
Maintenance / Inspection 23
For instructions specific to units
used in hazardous area
installations
refer to leaflet IP221/SI
www.mobrey.com
Instructions Leaflet
IP221, Rev . AA
November 2004
Mobrey
Electropulse systems
Level