Hanna Instruments HI6221 Manuel utilisateur

INSTRUCTION MANUAL

HI6221

pH and ORP

Benchtop Meter

All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the

Thank you for choosing a Hanna Instruments product.

Please read this instruction manual carefully before using this instrument.

This manual will provide you with the necessary information for correct use of this

instrument, as well as a precise idea of its versatility.

If you need additional technical information, do not hesitate to e‑mail us at

[email protected] or view our contact list at www.hannainst.com.

Dear

Customer,

TABLE OF CONTENTS

1. Preliminary Examination ................................................................................................... 5

2. Safety Measures ............................................................................................................... 6

3. Abbreviations ................................................................................................................... 6

4. User Interface – Icons ...................................................................................................... 7

5. General Description & Intended Use ................................................................................... 9

5.1. Main Features ...................................................................................................... 10

6. Specifications ................................................................................................................. 11

6.1. Instrument ........................................................................................................... 11

6.2. Electrodes ............................................................................................................ 14

7. Functional & LCD Description ........................................................................................... 15

7.1. Main Unit ............................................................................................................ 15

7.2. Electrodes ............................................................................................................ 17

8. Getting Started ............................................................................................................... 18

8.1. Attaching the HI764060 Electrode Holder ............................................................... 18

8.2. Using the Electrode Holder .................................................................................... 20

8.3. Connecting Electrodes & Keyboard .......................................................................... 20

8.4. Powering the Unit ................................................................................................. 21

8.5. Basic Operations ................................................................................................... 22

9. System Menu Items ....................................................................................................... 23

9.1. Users ................................................................................................................... 24

9.2. Settings ............................................................................................................... 28

9.3. Log recall ............................................................................................................. 34

9.4. Help .................................................................................................................... 40

10. Measurement & Electrode Setup Menu ........................................................................... 41

10.1. Reading ............................................................................................................. 44

10.2. Temperature ....................................................................................................... 45

10.3. Calibration ......................................................................................................... 46

10.4. View .................................................................................................................. 48

10.5. Alarm ................................................................................................................ 51

TABLE OF CONTENTS

10.6. Logging ............................................................................................................. 52

10.7. Profiles .............................................................................................................. 53

11. Calibration ................................................................................................................... 55

11.1. pH Calibration ..................................................................................................... 56

11.2. Relative mV Calibration ....................................................................................... 60

12. Measurement ............................................................................................................... 63

12.1. Measurement Tips ............................................................................................... 63

12.2. Direct Readings .................................................................................................. 63

12.3. Direct / Autohold Readings .................................................................................. 64

13. Error Messages ............................................................................................................. 65

14. Logging ....................................................................................................................... 66

14.1. Automatic Logging .............................................................................................. 66

14.2. Manual Logging ................................................................................................. 67

14.3. Autohold Logging ............................................................................................... 68

15. Maintenance & Conditioning ......................................................................................... 70

16. Accessories .................................................................................................................. 72

Certification ........................................................................................................................ 79

Recommendations for Users ................................................................................................. 79

Warranty ............................................................................................................................ 79

Regulatory notices for the Wi-Fi module ................................................................................ 80

PrELimiNAry ExAmiNATiON

1. PRELIMINARY EXAMINATION

Each HI6221 pH and ORP benchtop meter is supplied with:

• HI1131B pH electrode

• HI7662-TW temperature probe

• pH calibration starter kit consisting of:

• pH 4.01 buffer solution sachet (2 pcs.)

•pH 7.01 buffer solution sachet (4 pcs.)

•pH 10.01 buffer solution sachet (2 pcs.)

• HI700601 electrode cleaning solution sachet (2 pcs.)

• HI7082 3.5M KCl electrolyte solution (30 mL)

• HI764060 electrode holder

• Capillary pipette

• 24 VDC power adapter

• USB-C to USB-A cable

• Instrument quality certificate

• Probe quality certificate

• Instruction manual

Note: Save all packing material until you are sure the instrument works correctly. Any damaged

or defective item must be returned in its original packing material with the supplied accessories.

SAFETy mEASurES

2. SAFETY MEASURES

Handling precautions

The unit, while not fragile, can be damaged by improper usage and handling.

• Do not puncture or drop the unit.

• Keep the unit on a stable and even surface, away from contact with liquid.

• When carried, ensure the unit is held securely and not via an accessory, cable, or cord.

Usage precautions

• Do not use the device near heat sources, food, excessive dirt, dust, oil, chemicals, or in strong direct

sunlight.

• Do not place objects on top of the device.

• Do not insert objects into the ports, spaces around keys, or other openings.

• If the device becomes wet, gently wipe the exterior with a clean, dry cloth.

• Use only attachments and accessories specified in this manual.

Touch screen recommendations

• Avoid damaging the touch screen with pointed or sharp objects.

• Only operate the LCD touch screen by gentle finger tapping.

Device sharing

• Make sure that all users understand the safety and usage information provided in this manual.

Environment recommendations

• Use only in a safe place that is appropriate to application requirements.

3. ABBREVIATIONS

ATC Automatic Temperature Compensation

CSV Comma-Separated Values

FTP File Transfer Protocol

GLP Good Laboratory Practice

HT High Temperature

MTC Manual Temperature Compensation

NIST National Institute of Standards and Technology

uSEr iNTErFACE – iCONS

4. USER INTERFACE – ICONS

Capacitive keys Description

Home key

Back key

Menu key

Symbol on display Description

Measurement Menu

Available log storage

Log Recall

System Menu

Users

Help

Start logging

Stop logging

Manual logging

pH / ORP electrodes

Log recall, modify settings

Log recall, graph view - function not selected

Log recall, graph view - function active

Log recall, table view - function not selected

Log recall, table view - function active

Log recall, information view - function not selected

Log recall, information view - function active

Annotated text

Annotated text (in use)

Warning on standby function

Warning on active function

uSEr iNTErFACE – iCONS

Symbol on display Description

Autohold applied

pH Autohold, waiting stable pH measurement

mV Autohold, waiting stable mV measurement

Triggers log session, pending next stable measurement

Autohold logging in progress

Forward/backward navigation, sequence of steps - function not available

Active buffer selection during manual or semiautomatic calibration

Calibration procedure, buffer selection - function available

Calibration procedure, buffer selection - function not available

Connection established

Icon on display Description Connection status

In progress Connection issue Hardware error

Ethernet

Wi-Fi

USB-A and

USB-C

GENErAL DESCriPTiON & iNTENDED uSE

5. GENERAL DESCRIPTION & INTENDED USE

HI6221 is a streamlined benchtop meter with a large touch screen display, comprised of a housing

and an integrated pH / ORP measurement module.

Compact and easy to operate, the benchtop meter is delivered with Hanna Instruments HI1131B

double junction combination pH electrode, together with HI7662-TW temperature probe.

HI1131B is a glass body, double junction, refillable pH electrode with an indicating sensor made of

High Temperature (HT) glass. The double junction reference and HT glass design allow the HI1131B

to be used in a wide variety of applications including samples with metals and elevated temperatures.

Probe connection to the unit is secured through a galvanically isolated BNC connection.

HI7662-TW stainless steel temperature probe allows the meter to automatically temperature

compensate (ATC) pH measurements.

This system responds to a complex range of measurement and monitoring requirements, providing

accuracy, reproducibility, and reliability.

HI6221 is supplied with an electrode holder that has a flexible arm. The holder can be mounted

quickly and provides secure support for electrodes while taking measurements in sample containers.

This benchtop meter supports:

• USB type A – support for USB stick, keyboard

• USB type C – support for USB stick, PC connection

The user can select between five different views.

• Basic measurement configuration

• Simple GLP with calibration information

• Full GLP with electrode status and calibration point details

• Live updated, interactive graph

• Tabuled data with date, time, and notes

Capacitive touch screen with multi-touch support

The benchtop unit has a 7-inch color display with 800 x 480p resolution. The capacitive, multi-touch

screen supports video playback and data plotting.

Capacitive keys & icons

Main functions, system settings, and measurement setup parameters are accessed and configured in an

intuitive way, using Menu key ( ), System Menu icon ( ), and Measurement Menu icon ( ).

User interface

User-friendly icons and symbols allow users to easily navigate and interpret the instrument functions.

Using the Menu key ( ) will show Users, System Settings, Log Recall and Help icons.

• The System Menu ( ) permits access to Network, Connectivity, System, and Info tabs.

GENErAL DESCriPTiON & iNTENDED uSE

• The Measurement Setup icon ( ), found in measurement screen, opens sensor setup parameters.

• The Log Recall icon ( ) recalls storred log sessions (Automatic continuous logging, Manual, or

Autohold).

5.1. MAIN FEATURES

Measurement & Calibration

• Measure pH/mV (pH) or mV/Rel.mV (ORP) with temperature

• Application-specific profiles allow quick and direct measurement without the need to update the

sensor and system settings

• Active log during measurement

• Measurement stability indicator (using the Stability Criteria setting)

• Reading modes: direct and direct/autohold

• Temperature compensation can be Automatic (using temperature probe) or set manually

• Audible and/or alarm messages for measurements outside of predefined limits

• Galvanic isolation for pH/ORP measurement module

• 5-point pH calibration with automatic recognition for standard buffers (Hanna and NIST buffers)

• Choice of standard or custom buffers for calibration

• Non-volatile memory saves data and settings

Logging

• Data log collection of at least 1 000 000 data points (with time and date stamp)

• Logging types: manual, automatic, autohold

• Sample ID for manual and Autohold data

Connectivity features & services

• Transfer logged data to a USB thumb drive

• Log files that include measurements and calibration data (as .csv file)

• FTP and email for log export via Ethernet and Wi-Fi connection

Help section for meter guidance

• Video support presentation of main features

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