Emerson MSP422 manual

www.mobrey.com

Reference Manual

IP2013, Rev BA

February 2012 Mobrey MSP422

Mobrey MSP422

Ultrasonic Liquid Level Transmitter

Contents

Main Page Rev BA , Rev BA Mobrey MSP422 Ultrasonic Liquid Level Transmitter NOTICE Page Table of Contents Page Reference Manual Section 1 Introduction SAFETY MESSAGES Page Reference Manual Section 2 Transmitter Overview THEORY OF OPERATION COMPONENTS OF THE TRANS MITT ER Section 3 Installation BEFORE YOU INSTALL General Considerations Reference Manual MECHANICAL INSTALLATION Mounting Considerations Liquid Surface Conditions In-tank Effects Reference Manual Mounting the Transmitter Above the Liquid Surface Page Reference Manual ELECTRICAL INSTALLATION Cabling the Transmitter After Completing the Wiring Page Section 4 Starting up OVERVIEW Power Up Before Programming Page Mobrey MSP422 PROGRAMMING THE MSP422 Display Units Reference Manual First Measurements Setting the Bottom Reference Setting 4 mA and 20 mA Levels Reference Manual Setting the Output Damping Selecting the Action on Alarm Condition Reference Manual Setting 4 mA and 20 mA Levels Using Ranging Learn About Echoes From False Targets Reference Manual FINAL CHECKS POWER FAILURE Page Section 5 Service and Troubleshooting SERVICING DIAGNOSTICS FOR THE MSP422 General Troubleshooting Error Messages Reference Manual Appendix A Reference Data SPECIFICATIONS TEMPERATURE AND PRESSURE RATINGS LOAD LIMITATIONS Reference Manual DIMENSION DRAWINGS February 2012 Figure A-4. The 2-in. NPT/BSPT mounting bracket Appendix B Product Certifications