Hanna Instruments HI 901 Manuale utente

INSTRUCTION MANUAL

HI 901 / HI 902

AUTOMATIC TITRATOR

NaOHTitrantConc.

StandardizeElectrode

General

OptionsSelect

MethodMethod

OptionsBurettepH/mV

ATCEndpointVolumepH

NoResult

1300/1300RPM

15:44:31Nov12,2003

N(eq/L)

0.0

NaOH

0.1 M

TABLE OF CONTENTS

Chapter 1. INTRODUCTION

Chapter 2. SETUP

Chapter 3. USER INTERFACE

Chapter . GENERAL OPTIONS

Chapter 5. METHODS

Chapter 6. TITRATION MODE

Chapter 7. pH & mV MODE

Chapter 8. AUXILIARY FUNCTIONS

Chapter 9. MAINTENANCE, PERIPHERALS

Appendix 1. TECHNICAL SPECIFICATIONS

Appendix 2. BACK TITRATION (HI 902 only)

Appendix 3. MULTIPLE EQUIVALENCE POINTS (HI 902 only)

Appendix . ACCESSORIES

Dear customer,

Thank you for choosing a Hanna Instruments Product.

This instruction manual has been written for the HI 901 / HI 902 Titrator roducts.

Please read this instruction manual carefully before using the instrument. This manual will

rovide you with the necessary information for the correct use of the instrument.

All rights are reserved. Re roduction in whole or in art is rohibited without the written consent of the co yright

owner, Hanna Instruments Inc., 584 Park East Drive, Woonsocket, Rhode Island, 02895, USA.

1-1

INTRODUCTION

1 INTRODUCTION

HI 901 and HI 902 are automatic titrators with high accuracy, great flexibility and re eatability.

The titrators are designed to erform a variety of otentiometric titrations, allowing the user

to obtain both good results and high s eed analysis.

The main attributes of these titrators are:

Flexibility Su ort u to 100 titration methods (standard and user defined).

High accuracy Precise dosing system (under 0.1% accuracy).

Precise mV and H measurements (± 0.1 mV and ± 0.001 H accuracy).

Inter olated end oint volume.

Re eatability Powerful built-in algorithms for equivalence oint detection (first derivative and second

derivative detection algorithms, filtered derivatives o tion, settable range for equivalence

oint detection).

Fixed end oint mV or H.

Quick results Standard titration methods.

Pre-titration dosing feature.

Dynamic / Linear dosing feature.

Com lete re ort The results are dis layed directly in the selected units.

Titration gra h can be dis layed on line and saved.

User customized re orts can be rinted, saved on flo y disk or transferred to PC via

RS232 interface.

The sam le information and data stam are included in the re ort.

Direct measurements The titrator can also be used for recise mV, H and tem erature measurements.

Re ort of data logging is available for direct measurements.

GLP features U to 5 standardization oints for the H electrode.

Reminders for titrant age and standardization ex iration.

Fields for s ecific annotations.

Large gra hical dis lay 7.5 B/W gra hical dis lay with backlight.

Easy to view text and gra hs.

Lots of information on each screen.

Self diagnosis and Integrated hel is available.

integrated hel Self diagnosis features for eri heral devices including um , valve, burette, stirrer.

Error management with warning and error messages.

Predefined troubleshooting titration methods.

This manual rovides information regarding installation and functionality of the titrator, ointing

out hints and refined o eration suggestions.

Before beginning to work with the titrator it is recommended to become familiar with its

various features.

1-2

INTRODUCTION

2-1

SETUP

Chapter 2. Contents

2 SETUP ................................................................................................... 2-3

2.1 Unpacking ............................................................................................. 2-3

2.2

Safety Measures

................................................................................... 2-

2.3 Installation ........................................................................................... 2-5

2.3.1 Titrator Front View ...................................................

.......

...

....

..............

2-5

2.3.2 Titrator Rear View

........................................................

............................ 2 - 5

2.3.3 Titrator Left-side View ...........................................

.....

.......

...

..............

2-6

2.3.4 Titrator Assembly ...................................................

.....

.......

.................... 2 - 6

2.3.4.1 Assembling Stirrer Stand and Su ort ....................................................... 2 - 6

2.3.4.2 Attaching Stirrer ..........................................

........

......

........................... 2 - 7

2.3.4.3 Connecting the Pum ........................................................................... 2 - 8

2.3.4.4 Attaching Burette Blank Su ort ....................

...........

.................

..............

2-9

2.3.4.5 Attaching the Burette ......................................

....................

.................. 2 - 9

2.3.4.6 Electrical Connections ......................................

..............

......................

2-10

2.3.5 Connection to Earth ....................................

..............................................

2-11

2.3.6 Flo y Disk Drive ...................................................

.....

.............................. 2-11

2-2

SETUP

2-3

SETUP

2 SETUP

2.1 Unpacking

The titrator and the accessories are shi ed in a single box containing:

ITEM QUANTITY

1 Titrator............................................................................... 1

2 Pum Assembly.............................

...

.................................. 1

3 Burette Assembly................................................................. 1

 Burette (with 25 mL syringe)

 As iration Tube with Fitting and Protection Tube

 Dis ensing Tube with Normal Dis ensing Ti , Fitting,

Protection Tube and Tube Guide

 Tube Locks

 Tool for Valve Fitting and Burette Ca Removal

 Light S ectrum Protection Screen

4 Stirrer Su ort, Stand, Collar and Positioning Screw................ 1

5 Burette Blank Su ort.......................................................... 1

6 Pum and Burette Locking Screws with Plastic Head................ 2

9 Tem erature Sensor.............................................................. 1

10 Shorting Ca ....................................................................... 1

11 Power Cable........................................................................ 1

12 RS232 Cable....................................................................... 1

13 Instruction Manual Binder...................................................... 1

14 Start-u Disk (FDD with Titrator Installation Kit)..................... 1

15 HI 900 PC A lication (FDD with Installation Kit).................... 1

16 Quality Certificate................................................................ 1

See Appendix section A .3 Titrator components for ictures.

If any of the items is missing or damaged, lease contact your sales re resentative.

Note: Save all packing materials until you are sure that the instrument functions correctly.

Any damaged or defective items must be returned in their original packing materials

together with the supplied accessories.

2-4

SETUP

2.2 Safety Measures

The following safety measures must be followed:

1. Always ensure that the ower-su ly cable is connected to a grounded main ower lug.

2. Never connect or disconnect the um assembly with the titrator turned on.

3. Verify that the burette and the attached tubing are as described in this manual (see 9.1

Burette Maintenance section for more details).

4. Always check that the titrant bottle and the titration beaker are firmly sitting on a flat

surface.

5. Always wi e u s ills and s lashes immediately.

6. Avoid the following environmental working conditions:

 Severe vibrations

 Direct sunlight

 Atmos heric relative humidity above 95% non-condensing

 Environment tem eratures below 10°C and above 40°C and a normal humidity range

 Ex losion hazards

7. Have the titrator serviced only by qualified service ersonnel.

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