ELMETRON CX-461

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User‘s manual for CX-461 multifunction meter v1.40

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Table of Contents5
Introduction7
Exploitation Notices9
Characteristics of the Meter10
The Meter's Use11
The Outside View12
The Meter's Maintenance14
Switching the Meter on and off15
Choosing the Measurement Function16
Preparation to Work17
Choosing the Kind of the Temperature Compensation17
Ph MEASUREMENT19
Preparation of the Ph Electrode21
Setting the Ph Measurement Parameters22
Resolution22
Electrode Number23
Calibration Solution24
Calibration Points and Date24
Calibration Validity Date24
Calibration25
Calibration in Buffer or Standard Solutions26
Entering the Buffers' Values into the Meter's Memory27
Calibration in Buffer Solutions29
Calibration with Use of Standard Solutions30
Checking the Electrode Condition32
Ph Measurement33
Measurement with Automatic Temperature Compensation33
Measurement with Manual Temperature Compensation34
Notices about the Temperature Compensation and Interpretation of the Ph Measurement Results35
Conductivity and Salinity Measurement37
Basic Information about Conductivity Measurement39
Entering the Conductivity Parameters40
Resolution40
Cell Number41
Choosing the Unit41
Calibration Points and Date42
Calibration Validity Time42
Entering the Α Coefficient42
Entering the Reference Temperature43
TDS Coefficient43
Choosing and Maintaining the Conductivity Cell44
Choosing the Cell44
Maintenance of the Cell45
Calibration46
Calibration Without Standard Solution46
Calibration with Use of Standard Solution47
Conductivity Measurement51
Measurement Without Temperature Compensation51
Measurement with Automatic Temperature Compensation52
Measurement with Manual Temperature Compensation53
Salinity and Total Dissolved Solids Measurement54
Salinity Measurement with Conversion to Nacl or Kcl55
Determining the W Coefficient56
The Salinity Measurement with Conversion to TDS56
Simplified Way of Determining the Α Coefficient57
Oxygen Concentration Measurement59
Basic Information about the Oxygen Measurement61
Entering Dissolved Oxygen Measurement Parameters63
Resolution63
Sensor Number63
Unit64
Calibration Points and Date64
Calibration Validity Time64
The Salinity Influence Compensation64
Automatic Compensation of the Atmospheric Pressure Influence65
Calibration of the Dissolved Oxygen Sensor66
Measurement of Oxygen Concentration in Water68
Measurement with Automatic Temperature Compensation68
Measurement with Manual Temperature Compensation69
Measurement of Oxygen Content in Air70
Atmospheric Pressure Measurement71
Atmospheric Pressure Measurement73
Redox Potential (MV) and Temperature Measurement75
Setting the Redox Potential Parameters77
Resolution77
Relative Measurement78
Reference Voltage78
Redox Potential Measurement79
Setting the Temperature Measurement Parameters80
Resolution80
Probe Number81
Sensor Group81
Unit81
Temperature of the Manual Compensation81
Temperature Measurement82
Options83
Options Screen85
Functions85
Series86
Miscellaneous86
Info88
Recording the Readings, Memory Readout89
Storage Parameters89
Entering Single Readouts into the Memory91
Collecting Measurement Series92
Reviewing the Readouts93
Power, Replacing the Rechargeable Batteries94
Cooperation with PC95
Technical Data96
Equipment99

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ELMETRON CX-461 - Page 8

Table of Contents

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