Emerson PN 51-1055pHC/rev.K instruction manual Procedure-Calibration against a standard solution

Page 66

MODEL SOLU COMP II

Possible

Cal Error

 

Proceed?

Yes

No

 

 

 

 

 

 

Updated

S2 Cell

 

Const: 1.0013/cm

SECTION 6.0

CALIBRATION

h.If the change is more than 10% of the present value, the Solu Comp II displays a warning screen. Choose Yes to have the analyzer accept the calibration. Choose No to repeat the calibration. Go to steps i through k.

i.After the calibration is accepted, the updated cell constant screen appears for about 5 seconds.

j.The display returns to the screen in step b. Choosing Sensor1 (pH sen- sor) will permit the pH measurement to be calibrated.

k.Press EXIT to return to the previous screen. To return to the main display, press MENU followed by EXIT.

6.BEFORE RETURNING THE ANALYZER TO SERVICE, BE SURE TO SET TEMPERATURE COMPENSA- TION BACK TO THE ORIGINAL SETTING(S).

6.8.3 Procedure-Calibration against a standard solution

1.Remove the sensor from the process. Rinse it with deionized water.

2.Rinse the sensor with standard solution. Immerse the sensor in the solution to above the vent holes. Move the sensor up and down several times to ensure liquid touches all the inside surfaces. Repeat twice, using fresh solution each time.

3.If the conductivity of the standard is defined at only certain temperatures, use a constant temperature bath to keep the solution at the required temperature. Measure temperature with a calibrated thermometer or use

the Solu Comp II to measure temperature. If temperature is not shown in the main display, press or until a screen showing temperature appears. To prevent contamination and evaporation, keep the standard in a covered container until it reaches temperature. Once the standard is at the desired temperature, place the rinsed sensor in the solution. Immerse the sensor to well above the vent holes. Move the sensor up and down to let air bubbles escape. When making the measurement, keep the sensor at least 1/4 inch (6 mm) away from the bottom and sides of the container. If the sensor touches the container, the conductivity reading may be in error.

4.If the conductivity of the standard as a function of temperature is known, simply fill a container with standard solution and place the rinsed sensor in the container. Immerse the sensor to well above the vent holes. Move

the sensor up and down to let air bubbles escape. When making the measurement, keep the sensor at least 1/4 inch (6 mm) away from the bottom and sides of the container. If the sensor touches the container, the con- ductivity reading may be in error. Also place a calibrated thermometer in the solution or use the Solu Comp II to measure temperature. If temperature is not shown in the main display, press or until a screen show- ing temperature appears. Note the conductivity of the standard at the measured temperature.

5. Turn off temperature correction in the Solu Comp II.

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Contents Model Solu Comp Essential Instructions Quick Start Guide ORP Quick Reference Guide Model Solu Comp Table of Contents CONT’D List of TablesList of Figures IiiAbout This Document Section Description and Specifications Hazardous Location DimensionsTerminal Connections Rating 26-14 AWG wire size Ordinary Location -68 onlyRecommended Sensors for Conductivity Performance SpecificationsAnalyzer Conductivity Input Range, µS/cm Cell constant, /cmToroidal Conductivity Codes -21 and/or Measurement Range see table belowWhen used with conductivity -20-32 or Performance Specifications Analyzer ORP InputTemperature Correction none required Recommended Sensors for ORPRecommended Sensors Frequency Range 0.5 4000 HzRepeatability ±1% Input filter 1- 255 samples Loop Specifications with a Model 499A OZ SensorRecommended Sensor Measurement Range 0-10 ppm mg/LOrdering Information Model 1055 Solu Comp II AnalyzerCombination Guide Part Number Description Weight Unpacking and Inspection Section InstallationInstallation General InformationPanel Mount Installation Panel MountingPipe Mount Installation Pipe MountingSurface Mount Installation Surface MountingSection Wiring POWER, ALARM, OUTPUT, and Sensor ConnectionsPreparing Conduit Openings Model Solu Comp Section Wiring Model Solu Comp Section Wiring 41055105 41055106 41055107 41055108 41055109 41055110 40105536 40105559 Section Display and Operation DisplayKeypad Programming and Calibrating the Solu Comp II Tutorial Using Hold SecuritySection Programming the Analyzer Alarm Section Default SettingsOutput Dampening Or 4 mA Mode Section Sensors Output SectionDefault Settings Definitions Assigning Outputs 1Choose 4-20 mA or 0-20 mA Choose Output ConfigureChoose Output1 or Output2 Choose Output Range. Choose Output1 or Output2Alarm Relays Must be Configured Before Assigning Setpoints Choose Alarm Configure Choose Measurement or TempChoose Alarm Setpoints Definitions pH/ORP Definitions conductivity/resistivity Choose Measurement Choose Soln Temp Corr or Sensor IsoptntlDefinitions pH OutputsAlarms Measurement Choose Noise Rejection Choose ResetAnalyzer Choose Default Display Procedure Choosing a LanguageProcedure Changing Screen Contrast Section Calibration IntroductionCalibrating Temperature Procedure PH at 25C Standards Nominal pH Calibration Slope and OffsetChoose Measurement Choose BufferCal EnterManual Calibration pH S1ManualCal? Standardization pH Choose Measurement Choose StandardizeEntering a Known Slope Value pH Preparation of ORP standard solutions ORP CalibrationCalibrating AN IN-SERVICE Sensor Conductivity Procedure-Calibration against a standard meter and cellChoose Measurement Choose InProcess Procedure-Calibration against a standard solution ProgramDisplay Calibrate? Placing a NEW Sensor in Service Conductivity Choose Measurement Choose CellConstCalibrating the Analyzer Conductivity Cell constant Conductivity µS/cm Resistor k ΩTo Reset the Factory Resistance CALIBRATION, see Section Overview Section MaintenanceReplacement Parts Model Description See FigureExploded View of Solu Comp II Panel Mount Version Exploded View of Solu Comp II Pipe/Surface Mount Version Simulating Inputs Conductivity Simulating Temperature Section TroubleshootingOverview Troubleshooting Using Fault Codes Absolute Value of Measured Voltage Exceeds 2500 mVRTD Sense Line for Sensor 1 or Sensor 2 is Open PH Sensitive Glass Membrane is BrokenConductivity Sensor Open or Shorted Eeprom FailureProblem See Section Calibration Error During Two-Point CalibrationCalibration Error during Standardization Invalid Input While Manually Entering SlopeSensor Does Not Respond to Known pH Changes Model Solu Comp Section Troubleshooting Calibration Error Using Standard Resistors Conductivity, µS/cm Cell constant, /cm Alarm Relays Do Not WorkMeasurement seems wrong Current Output Too LowSimulating pH input when the preamplifier is in the sensor GeneralPreamplifier is in the Sensor Set the temperature correction to raw Section Simulating Inputs ConductivitySimulating temperature Three-Wire RTD ConfigurationMeasuring Reference Voltage Checking for a Poisoned Reference ElectrodeSection Return of Material Warranty RepairNON-WARRANTY Repair GeneralWarranty Specifications subject to change without notice

PN 51-1055pHC/rev.K specifications

The Emerson PN 51-1055pHC/rev.K is a highly advanced and reliable component designed for a wide range of applications in industrial automation and control systems. This device is known for its robust performance, exceptional durability, and integration of cutting-edge technologies, making it an ideal choice for demanding operational environments.

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