Myron L 750 Series User Manual

SECTION PAGE
1 INTRODUCTION
1.1 SCOPE ........................................................................................................................................1
1.1.1 FUNCTIONAL DESCRIPTIONS ..................................................................................... 1
1.1.2 MONITOR APPLICATIONS ............................................................................................1
1.2 MONITOR SPECIFICATIONS .....................................................................................................1
1.3 RESISTIVITY CELLS...................................................................................................................2
1.3.1 CELL PRODUCT SPECIFICATIONS ..............................................................................2
1.4 OPTIONAL INTERFACE FEATURES ..........................................................................................2
1.5 HOW TO ORDER ........................................................................................................................2
2 INSTALLATION
2.1 GENERAL ....................................................................................................................................3
2.2 MECHANICAL INSTALLATION ...................................................................................................3
2.2.1 SURFACE INSTALLATION .............................................................................................4
2.2.2 PANEL MOUNTING ........................................................................................................ 4
2.2.3 CELL INSTALLATION .....................................................................................................4
2.3 ELECTRICAL INSTALLATION .....................................................................................................4
2.3.1 MAIN AC POWER INSTALLATION.................................................................................4
2.3.2 CELL INSTALLATION .....................................................................................................5
2.3.3 ALARM RELAY INSTALLATION .....................................................................................5
2.4 OPTIONAL INTERFACE CONNECTIONS ..................................................................................5
2.4.1 220 VAC CONVERSION .................................................................................................5
2.4.2 0-5/0-10 VDC RECORDER BOARD...............................................................................6
2.4.3 4-20 mA AND 4-20D TRANSMITTER BOARDS.............................................................6
3 OPERATING PROCEDURES
3.1 GENERAL ....................................................................................................................................7
3.2 SWITCH AND INDICATORS CONTROLS ..................................................................................7
3.2.1 MODEL 750 ....................................................................................................................7
3.2.2 MODEL 752 AND 753 .....................................................................................................7
3.2.3 MODEL 762 ....................................................................................................................7
3.3 OPERATIONAL CHECKOUT PROCEDURES ............................................................................8
3.3.1 MODEL 750 ....................................................................................................................8
3.3.2 MODEL 752, 753 AND 762 .............................................................................................8
4 COMPONENT IDENTIFICATION, CALIBRATION AND PREVENTIVE MAINTENANCE
4.1 GENERAL ....................................................................................................................................9
4.2 PRIMARY COMPONENT IDENTIFICATION ...............................................................................9
4.3 CALIBRATION PROCEDURES ................................................................................................. 10
4.3.1 METER MECHANICAL ZERO READING .....................................................................10
4.3.2 FULL SCALE CALIBRATION PROCEDURES ............................................................. 10
4.3.2.1 MODEL 750 .................................................................................................. 10
4.3.2.2 MODELS 752, 753 AND 762 ........................................................................ 10
4.3.3 INTERNAL SET POINT ADJUSTMENT .................................................................... 11
4.3.4 0-5/0-10 VDC RECORDER BOARD ......................................................................... 11
4.3.5 MODEL 753 WITH 4-20mA or 4-20D OPTION .......................................................... 11
4.4 PREVENTIVE CARE .................................................................................................................12
5 APPENDIX
A REPLACEABLE COMPONENTS CHART ................................................................................. 13
TABLE OF CONTENTS

Myron L 750 Series Specifications

General

Brand	Myron L
Model	750 Series
Category	Monitor
Language	English