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
