GE CTR 80 manual Calibration Procedure, Calibration Equipment

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11 Calibration Procedure

11 Calibration Procedure

11.1Calibration Procedure

Calibration of this instrument should be performed at regularly scheduled inter- vals by qualified authorized personnel in accordance with your company’s pol- icy. Following is the recommended procedure for calibrating this instrument.

11.1.1Calibration Equipment

Calibration requires a standard thermometer that is adequately accurate and fits properly into one of the reference holes in the block. Recommended equipment includes a laboratory grade PRT with a length of 30 to 300 mm (9 to 12 inches) and a diameter of 4.76 or 6.35 mm (3/16 or 1/4 inches). The combined accu- racy of the PRT and the readout which used to display the temperature should be 0.025°C or better.

11.1.2Calibration

The accuracy of the instrument over the full range is determined by the values of the calibration parameters R0, ALPHA, DELTA, and BETA. The calibration procedure involves measuring the error between the instrument and the refer- ence thermometer at several temperature throughout the range and adjusting the calibration parameters as necessary to reduce the errors to within acceptable limits. The stated accuracy of the instrument can be found in the specification table in Section 3.1. Because of the way the calibration parameters affect the temperature the simplest way to proceed is to measure the errors at 0°C, 100°C, 50°C, and –70°C and adjust R0, ALPHA, DELTA, and BETA at each point re- spectively. Be aware that you must use the appropriate fluid at each tempera- ture. Follow these steps:

•Set the set-point to 0°C and allow adequate time for the bath to reach this temperature and stabilize. Adjust the R0 calibration parameter (see Sec- tion 9.11.2) to make the bath temperature as measured with the standard thermometer match the set-point. The approximate ratio between a change in R0 and a change in temperature at 0°C is about 0.4 to 1. For ex- ample, if the bath temperature is high by 0.1°C at 0°C then decrease R0 by 0.04.

•Set the set-point to 100°C and allow adequate time for the bath to reach this temperature and stabilize. Adjust the ALPHA calibration parameter (see Section 9.11.3) to make the bath temperature as measured with the standard thermometer match the set-point. The approximate ratio between a change in ALPHA and a change in temperature at 100°C is about 0.00004 to 1. For example, if the bath temperature is high by 0.1°C at 100°C then decrease ALPHA by 0.000004.

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Contents GE Kaye World Headquarters Table of Contents General Operation Parts and ControlsController Operation Digital Communication Interface Maintenance Trouble ShootingWiring Diagram Figures Tables Before You Start Symbols UsedCanadian Standards Association Safety InformationBurn Hazard Bath Fluids Cold Baths World Headquarters Customer Service InformationIntroduction Environmental Conditions SpecificationsAfter-Warranty Repairs Hardware Warranty and AssistanceInstrument Warranty In-Warranty RepairsCustomer Site Assistance Equipment Maintenance AgreementsCustomer Support Customer Support AgreementUnpacking Quick StartSet-up Setting the Temperature PowerAccess set-point selection Set-point 1, 25.0C currently used Dry-out Period InstallationDrain Valve Installation Instructions Bath EnvironmentFilling With Fluid Necessary Comparison Calibration GeneralBath Use Calibration of Multiple Probes Control Panel Parts and ControlsBack Panel Bath Tank and LidBack Panel Viscosity Temperature RangeGeneral Operation Bath FluidElectrical Resistivity SafetyThermal Conductivity Thermal ExpansionEthanol CostCommonly Used Fluids Water DistilledMineral Oil Fluid Characteristics TableSilicone Oil Dow Corning 200.05, 200.10 Table of Various Bath Fluids Limitations and DisclaimerHeater StirringRefrigeration Operation Temperature ControllerImportant Refrigerant Information General Operation Programmable Set-points Bath TemperatureTemperature Set-point Controller OperationDisplay Temperature Set-point Value Temperature Scale UnitsScan Control ScanScan Rate Secondary Menu Heater PowerProportional Band New proportional band setting CO= 80C CutoutLow Limit Controller ConfigurationOperating Parameters High LimitCooling Serial Interface ParametersBaud Rate Duplex ModeSample Period Linefeed Calibration ParametersDelta Hard Cutout11.2 R0 AlphaSerial Communications Digital Communication InterfaceIBM PC and Compatibles WiringSetup RS-232 Cable Wiring forSample Period Interface CommandsDuplex Mode Serial OperationSecondary Menu Lfeed=on Lf=on Calibration Calibration ProcedureCalibration Procedure Calibration EquipmentCalibration Procedure Maintenance Maintenance Troubleshooting Trouble ShootingCE Comments Low Voltage Directive SafetyEMC Directive Revisions Wiring Diagram

CTR 80 specifications

The GE CTR 80 is an advanced technology system that has redefined efficiency and reliability in the realm of industrial control systems. Developed by General Electric, this system is tailored for various sectors, including manufacturing, energy production, and process management. Its design emphasizes modernity and innovation, making it a superior choice for companies aiming to optimize operations.

One of the main features of the GE CTR 80 is its robust control architecture. This architecture leverages a distributed control system (DCS) model, allowing for decentralized operation while maintaining central oversight. This structure enhances reliability by reducing the chances of system failures, and it enables quick local responses to changing operational conditions, ensuring minimal downtime.

The GE CTR 80 integrates cutting-edge technologies, such as advanced data analytics and machine learning algorithms. These technologies provide real-time insights into equipment performance and operational efficiency, facilitating predictive maintenance and proactive decision-making. The built-in analytics capabilities help operators identify trends and potential issues before they escalate into critical problems, significantly lowering operational risks.

The system is equipped with a user-friendly interface that promotes ease of use and navigation. Operators can quickly access various parameters and performance metrics through intuitive dashboards. Furthermore, customizable alerts and notifications ensure that operators receive timely information about any irregularities in system performance, enabling swift interventions when necessary.

Another notable characteristic of the GE CTR 80 is its seamless integration with existing systems. It supports open communication protocols, making it compatible with various sensors and devices, which is essential for organizations looking to upgrade their current infrastructure without overhauling their entire setup. This adaptability makes the CTR 80 an ideal solution for industries undergoing digital transformations and seeking to enhance connectivity.

Moreover, the GE CTR 80 is built with security as a priority. It features robust cybersecurity measures to protect data integrity and prevent unauthorized access, ensuring that operational data remains confidential and secure from potential threats.

In summary, the GE CTR 80 is a powerful industrial control system that combines reliability, advanced analytics, user-friendly functionality, and robust security features. Its versatility and adaptability make it a preferred choice for modern industrial applications, driving operational excellence and enhancing productivity across various sectors.
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