Myron L 750 II Series - 750 Series II ILLUSTRATION (758 II-121-SC)

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750 Series II

Model 758 -121-SC

(A Digital Conductivity

Monitor/controller,

with a Range of 0-2000 µS,

and a Second Alarm/control,

Displaying Full Scale)

HIGH

LOW

SET POINT

MICROSIEMENS / CM

750II

Main Page

750 Series II ILLUSTRATION (758II-121-SC)5
Table of Contents6
Introduction9
Scope9
Functional Descriptions9
Applications9
Specifications9
Optional Features10
Accessories10
Sensors11
Conductivity/Tds11
Resistivity11
Sensor Specifications11
Order Information11
How to Order Monitor/Controller11
How to Order Sensors11
Range Selection Guide12
Installation13
General13
Mechanical Installation13
Surface Mounting with SMP (Surface Mounting Plate) Assembly13
Surface Mounting Without SMP Assembly13
Panel Mounting13
Oem Mechanical Installation14
Circuit Board14
Analog Meter14
Digital Display14
Sensor Insertion / Dip Mount Assemblies15
Insertion Mode Assembly15
Alternate Dip Sensor Assembly15
Electrical Installation15
Main AC Power Installation15
5/230 VAC Conversion16
Connecting the Sensor Cable16
Modification for US Pharmaceutical 25 (no Temperature Compensation)16
Solid State Output Connection17
Piezo Electric Alarm Installation (Option)17
Remote Alarm Connection (RA Option)17
Connect to Your Own Alarm or18
Alarm/Control Relay Connection18
Connecting Display Harness to Display18
0-10 VDC Output19
Connection19
Voltage Divider19
RE-RANGE YOUR MONITOR/CONTROLLER (Range Module Installation)20
Description20
Installation20
Changing Analog Meter Scale (Dial)21
Label Change22
Options & Accessories Installation23
Sc/Sco Module (Second Alarm/Control Option)23
Description23
Installation23
Set Point Conversion (SPC) / Reversing Set Point24
Set Point Adjustment25
Hysteresis26
Second Relay Connection26
Solid State Options26
4AO MODULE (4-20Ma OPTION)27
Description27
Installation27
Recalibration28
Converting a Current to a Voltage30
Tp/Tpo Module (Temperature Option)31
Description31
Installation31
Recalibration32
TPC "Calibration" Module Procedure33
Precision Resistor Calibration Procedure33
System Calibration34
Alarm/Control Function34
OEM Installation (Single Display)36
OEM Installation (Dual Display)37
Th/Tho Module (Alarm /Control Harness Option)38
Description38
Installation38
DUAL (Stacking) TEMPERATURE MODULE (TPO) & 4-20Ma MODULE (4AO)43
Description43
Installation43
3So/3Se Module (3 Sensor Option)44
Description44
Installation44
Alarm/Control Configuration45
3Ro/3Re Module (3 Range Option)47
Description47
Installation47
Alarm/Control Configuration47
3Sro/3Sre Module (Combined 3 Sensor & 3 Range Option)49
Description49
Installation49
Alarm/Control Configuration50
Pa Piezo Alarm52
Description52
Installation52
Ra Remote Alarm54
Description54
Installation54
IV. Operating Procedures56
Front Panel Indicators & Controls56
Red "Set Point" LED Indicator56
Green "Set Point" LED Indicator56
Set Point" Switch(Es)56
Analog Meter or Digital Display56
Optional Front Panel Items56
Oem Front Panel Indicators & Controls57
Red "Set Point" LED Indicator57
Green "Set Point" LED Indicator57
Set Point" Switch(Es)57
Analog Meter or Digital Display57
Optional Panel Mounted Items57
Setup Procedures58
Set Point Conversion (SPC) or Reversing Set Point58
Check-Out Procedure58
Set Point Adjustment58
Hysteresis (Dead Band) Adjustment58
Component Identification, Calibration and Preventive Care60
Primary Component Identification60
Meter Mechanical Zero Procedures61
Calibration Procedures - Main Circuit Board61
Electronic Calibration (Circuit Only)61
Calibration Using Standard Solution61
Sensor Substitute Calibration62
Transfer Standard Method63
Preventive Care63
VI. Options & Accessories64
Options Ordered with Monitor/Controller64
Options & Accessories Ordered Separately64
Standard Solutions & Buffers65
VII. Replacement Parts66
VIII. Warranty68
IX. Glossary69
Notes70
XI. Addendum71
Conductivity, Tds and Temperature Relationships71

Myron L 750 II Series - 750 Series II ILLUSTRATION (758 II-121-SC)

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