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Hanna Instruments HI 83749 - User Manual

Hanna Instruments HI 83749
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INSTRUCTION MANUAL
HI 83749
Turbidity & Bentocheck
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Hanna Instruments HI 83749 Specifications

General IconGeneral
TypePhotometer
ParameterIron and Total Hardness
Light SourceLED
Light DetectorSilicon Photocell
Light Source Wavelength (Total Hardness)525 nm
Power Supply4 x 1.5V AA batteries
Environment0 to 50°C (32 to 122°F); RH max 95% non-condensing
Iron Low Range0.00 to 5.00 mg/L Fe
Iron High Range0.0 to 30.0 mg/L Fe
Iron Low Range Resolution0.01 mg/L
Iron High Range Resolution0.1 mg/L
Iron High Range Accuracy±0.1 mg/L ±5% of reading
Measurement Range (Total Hardness)0 to 750 mg/L CaCO3
Resolution (Total Hardness)1 mg/L
Accuracy (Total Hardness)±5 mg/L ±5% of reading
Method (Iron)Adaptation of the TPTZ method for low range; adaptation of the Ferrover method for high range.
Auto-offAfter 15 minutes of non-use

Summary

1. Preliminary Examination

2. General Description

2.1. Bentocheck

Explains the prevention of protein haze in wine using bentonite.

2.2. Tag Identification System

Details the T.I.S. system for sample traceability and data management.

2.3. Abbreviations

Lists abbreviations used in the manual.

3. Specifications

4. Functional Description

4.1. Instrument Description

Illustrates and names the main external parts of the instrument.

4.2. Keypad Description

Explains the function of each key on the instrument's keypad.

4.3. Connectors Description

Describes the various connectors on the instrument for external links.

4.4. Display Description

Explains the icons and readouts on the instrument's LCD display.

4.5. Beeper

Describes the beeper's function for error and confirmation signals.

5. General Tips for an Accurate Measurement

5.1. Cuvette

Highlights the cuvette's role in optical measurements and potential issues.

5.2. Cuvette Handling

Instructions for proper handling and storage of cuvettes to prevent damage.

5.3. Cuvette Oiling

Details the procedure for oiling cuvettes for low turbidity readings.

5.4. Sampling Technique

Key considerations for taking representative samples for turbidity analysis.

5.5. Removing Air Bubbles

Methods to remove air bubbles for accurate turbidity readings.

5.6. Measurement Tips

Offers specific tips for filling cuvettes and using pipettes.

6. Calibration Procedure

6.1. Calibration

Detailed instructions for performing a two, three, or four-point calibration.

6.2. Out of Calibration Range Function

Explains the alert for measurements outside the calibration range.

6.3. Calibration Errors

Details error messages during calibration and their causes.

6.4. Delete Calibration

Procedure to delete current calibration and restore factory settings.

7. Turbidity Measurement

7.1. AVG (Signal Average Mode)

Explains using Signal Average Mode for unstable samples.

7.2. Continuous Measurement

Describes continuous measurement for observing settling rates.

8. Bentocheck (Protein Stability Test)

9. Determination of Bentonite Requirement

9.1. Sample Preparation

Instructions for preparing wine samples and bentonite suspensions.

9.2. Reading Procedure

Step-by-step guide for taking readings for bentonite requirement.

9.3. Comparative Mode

Explains the comparative mode for turbidity value comparison.

10. Logging

10.1. View Logged Data

Guide to viewing stored records and searching through logged data.

11. Good Laboratory Practice (GLP)

Delete Calibration Panel

Procedure for deleting user calibration and restoring factory settings.

12. Setup

12.1. Set Reference Value

Guides setting a reference value for comparative turbidity analysis.

12.2. Activating Comparative Mode

Explains how to activate comparative mode for turbidity value comparison.

12.3. Set EPA Compliance Mode

Details setting the instrument to meet EPA reporting requirements.

12.4. Set Beeper

Describes how to turn the instrument's beeper on or off.

12.5. Show Hide the Time

Instructions for showing or hiding the current time on the secondary LCD.

12.6. Set the Date

Procedure for setting the instrument's internal real-time clock date.

12.7. Set the Time

Procedure for setting the instrument's internal real-time clock time.

12.8. Set Instrument ID

Explains how to set a unique four-digit ID for the instrument.

12.9. Set Baud Rate

Details setting the baud rate for PC communication via RS232.

12.10. LCD Backlight

How to turn the LCD backlight on or off.

13. Tag Installation

14. Lamp Replacement

15. Battery Management

15.1. Batteries Replacement

Procedure for replacing the instrument's AA batteries.

15.2. Using an AC Adapter

Details on using the AC adapter for powering the instrument.

16. Error Codes

17. PC Interface

18. Accessories

CERTIFICATION

Disposal of Electrical & Electronic Equipment

Guidelines for proper disposal of the product as e-waste.

Disposal of Waste Batteries

Instructions for the environmentally sound disposal of used batteries.

WARRANTY

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