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General| Brand | Hanna Instruments |
|---|---|
| Model | HI931 |
| Category | Laboratory Equipment |
| Language | English |
Guides users to different sections of the manual for information.
Lists essential safety precautions to follow during instrument operation.
Illustrates and labels the connections on the front of the titrator.
Illustrates and labels the connections on the rear of the titrator.
Details the titrator's keypad, categorizing keys by function.
Explains the user interface and the information displayed on the screen.
Instructions on how to change the titrator's display language.
Explains how to access contextual help screens for assistance.
Covers standard and user-defined methods for analysis.
Details the preparation and procedure for pH electrode calibration.
Lists the necessary reagents and water for performing a titration.
Instructions for filling and preparing the burette with titrant.
Steps to select a titration method and configure its parameters.
Customizing which data fields are included in the titration report.
Detailed guide for preparing the sample in the titration beaker.
Steps to start titration and interpret displayed information.
How to view real-time titration graphs and adjust axis scales.
Explains how titrations end and how the endpoint is marked.
Steps to review the data from the most recent titration.
How to connect a printer and print titration reports.
Instructions for saving titration or logging data onto a USB device.
Settings for pump configuration and dosing type (Linear/Dynamic).
Setting titration end point mode and recognition options.
Configuring pre-titration volume, stir time, and measurement mode.
How to select and activate a titration method on the titrator.
Information on standard methods provided for common analyses.
Procedures for upgrading or removing standard titration methods.
Restoring all standard methods to their original factory settings.
Guide on creating and removing user-defined titration methods.
How to view and modify parameters of existing titration methods.
Setting or changing the name and revision number of a titration method.
Selecting the stirrer and setting its speed for a titration method.
Specifying pump and configuring dosing type (Linear/Dynamic).
Configuring end point detection methods like Fixed or Equivalence point.
Setting threshold, range, and filtered derivatives for accurate endpoint recognition.
Configuring pre-titration volume, stir time, and measurement mode.
Specifying electrode type and blank calculation options.
Selecting standard titration, sample calculation, and standardization methods.
Setting titrant name, concentration, and analyte size.
Setting maximum titrant volume, potential range, and signal averaging.
Formatting result display and printing method parameters.
Steps to initiate, pause, and resume a titration analysis.
How to display and interpret titration curves during analysis.
Explains the conditions that lead to the termination of a titration.
Shows the pH mode display and lists available option keys.
Configuring settings for pH measurement and calibration.
Information on when and why pH calibration is necessary.
Overview and customization of data logging in pH mode.
Shows the mV mode display and lists available option keys.
Configuring settings for mV measurement.
Steps for performing relative mV calibration.
Overview and customization of data logging in mV mode.
Shows the ISE mode display and lists available option keys.
Configuring settings for ISE measurement and calibration.
Information on when and why ISE calibration is necessary.
Overview and customization of data logging in ISE mode.
Accessing the burette menu for operations like priming.
Steps for filling and preparing the burette with titrant.
Dispensing small volumes to clear tip air or manually dispense titrant.
Procedure for emptying the burette for cleaning or storage.
Turning the stirrer on/off and adjusting its speed.
Reviewing the last analysis report and all saved reports.
Displaying GLP data and titrator configuration details.
Customizing reports for pH, mV, ISE, and titration results.
Description of the burette assembly and steps for changing it.
Instructions for taking apart and putting back together the burette assembly.
Detailed procedure for cleaning the burette and its components.
Steps for properly filling the burette with titrant before use.
How to connect a parallel printer to the titrator.
Connecting an external PC keyboard for easier input.
Connecting the titrator to a computer via USB for data transfer.
Detailed technical specifications for the HI931 titrator.
Details of connection ports and other product specifications.
List of pH calibration buffers and titration reagents.
Solutions for cleaning, storing, and refilling electrodes.
List of available pH, ORP, half-cell, ISE, and temperature sensors.
Visual identification and part numbers of titrator components.
Conformance to CE directives and electrical equipment disposal guidelines.
General advice on product suitability and safe use in environments.
Warranty details and contact information for service and repairs.
Method for standardizing 0.1N NaOH against Potassium Hydrogen Phthalate.
Method for standardizing 0.1N HCl against Sodium Hydroxide.
Method for standardizing 0.1M Sodium Thiosulfate against Potassium Iodate.
Method for standardizing 0.02M Silver Nitrate against Sodium Chloride.
Method for determining total alkalinity in water to pH 4.5.
Method for determining total (phenolphthalein) acidity in water to pH 8.3.
Method for determining chloride concentration in water.
Method for determining base concentration by titration with sulfuric acid.
Method for determining acid concentration by titration with sodium hydroxide.
Method for verifying dosing and signal accuracy using large dose dispensing.
Procedures to check temperature and mV channel logging and stability.
Method for verifying titrator dosing accuracy using small dose dispensing.
Procedure to check the stirrer speed and propeller operation.
Introduction to titration principles, uses, and advantages/disadvantages.
Classifies titrations based on measurement methods like amperometric and potentiometric.
Categorizes titrations based on reaction types like acid-base and redox.
Discusses titrations classified by sequence, such as back and multiple endpoint titrations.
Details manual and automatic titration apparatus and typical procedures.
Discusses accuracy, repeatability, and common sources of error in titrations.
Explains calculations for sample concentration and titrant standardization.
Definitions of key terms related to titration theory and practice.
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