Myron L 762 - Manual (Page 2)

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
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