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Summary of Contents for Hanna Instruments HI6321
- Page 1 INSTRUCTION MANUAL HI6321 Advanced Conductivity Benchtop Meter Hanna Instruments Inc., 584 Park East Drive, Woonsocket, RI 02895 USA www.hannainst.com...
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Page 2: Table Of Contents
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA. Hanna Instruments reserves the right to modify the design, construction, or appearance of its products without advance notice. -
Page 3: Preliminary Examination
Preliminary Examination 1. PRELIMINARY EXAMINATION HI6321 is Hanna Instruments advanced conductivity meter with a large touch screen display and ® streamlined design. Package contents Each HI6321 is supplied with: • HI7631233 EC and resistivity probe • HI764060 electrode holder with following accessories: base plate (with integrated pivot pin) and screw (requires installation) •... -
Page 4: Safety Measures
Safety Measures 2. SAFETY MEASURES Handling & Usage Precautions The unit, while not fragile, can be damaged by improper handling and usage. • Transport the unit with all cables removed. • Keep the unit on a stable and even surface, away from contact with liquid. •... -
Page 5: User Interface - Icons
User Interface – Icons 3. USER INTERFACE – ICONS Capacitive keys Description Back – return to a previous hierarchical menu level Home – access to measurement screen Menu – access to the main menu Main menu Description Users – login and rights configuration; instrument accessibility System Settings –... - Page 6 User Interface – Icons Log Recall Description Table view – function active / not selected Graph view – function active / not selected Information view – function active / not selected General Description Measurement profile Background operation in progress Active alarm set Stability / Autohold indicator Unstable Stable...
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Page 7: General Description & Intended Use
General Description & Intended Use 4. GENERAL DESCRIPTION & INTENDED USE HI6321 is Hanna Instruments advanced benchtop meter with a capacitive display, comprised of a housing ® and an integrated conductivity measurement module. Compact and easy to operate, the meter is delivered with HI7631233 EC and resistivity probe. - Page 8 General Description & Intended Use Main Features Calibration & Measurement • Measure › Conductivity expressed as μS/cm or mS/cm › Resistivity expressed as Ω cm , kΩ cm, MΩ • • • › TDS expressed as ppm or ppt › Salinity expressed as ppt, PSU, % •...
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Page 9: Specifications
Specifications 5. SPECIFICATIONS 5.1. INSTRUMENT 0.000 to 9.999 μS/cm 10.00 to 99.99 μS/cm 100.0 to 999.9 μS/cm Range 1.000 to 9.999 mS/cm 10.00 to 99.99 mS/cm 100.0 to 1000.0 mS/cm 0.001 μS/cm 0.01 μS/cm 0.1 μS/cm Resolution 0.001 mS/cm 0.01 mS/cm 0.1 mS/cm Accuracy ±1 % of reading or ±0.010 μS/cm, whichever is greater... - Page 10 10 Specifications 1.0 to 99.9 Ω • 100 to 999 Ω • 1.00 to 9.99 KΩ • Range 10.0 to 99.9 KΩ • 100 to 999 KΩ • 1.00 to 9.99 MΩ • 10.0 to 100.0 MΩ • Resistivity 0.1 Ω •...
- Page 11 Specifications Range −20.0 to 120.0 °C / −4.0 to 248.0 °F / 253.2 to 393.2 K Resolution 0.1 °C / 0.1 °F / 0.1 K Temperature Accuracy ±0.2 °C / ±0.4 °F / ±0.2 K Calibration Single point, adjustable Direct Modes Direct/Autohold Reading...
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Page 12: Hi7631233 Probe
12 Specifications 5.2. HI7631233 PROBE Range 0 to 1000 mS/cm Recommended operating temperature −5 to 100 °C (23 to 212 °F) Temperature sensor Built‑in Cell constant 1 ± 15 % Cell type Four‑ring, platinum on glass Body Polyetherimide (PEI) Sensor body PVDF Wetted parts O‑ring Sensor diameter... -
Page 13: Functional & Lcd Description
Functional & LCD Description 6. FUNCTIONAL & LCD DESCRIPTION 6.1. MAIN UNIT Front View 1. LCD display 3. Home key 2. Back key 4. Menu key LCD Description 13:51:50 10/10/2024 Admin STD_EC 1416 Stable µS/cm 25.0 ° C 01/10/2024 08:18:46 Last Cal: mS/cm mS/cm... - Page 14 Back • exit or escape function • access to measurement screen Home • exit or escape function Menu • access to Users, System Settings, Measurement Settings, Log Recall, Help Rear View HI6321 Conductivity USB-C USB-A Ethernet ON/OFF Power Extension 24Vdc 1.
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Page 15: Probe
Functional & LCD Description 6.2. PROBE HI7631233 four‑ring conductivity probe provides stable measurements over a wide measure range and does not require frequent calibrations. An integral temperature sensor measures temperature and adjusts the measured conductivity to a reference temperature by applying compensation standards. 1 Cable 2 Probe body 3 Probe holes... -
Page 16: Getting Started
Getting Started 7. GETTING STARTED 7.1. INSTALLING THE HOLDER Attaching the electrode holder base plate • Take the HI764060 holder from the box. • Identify the metal base plate (4) with the integrated pivot pin (5) and the screw (2). The plate may be attached to either side of the meter, left (L) or right (R). -
Page 17: Using The Holder
Hanna aims to ensure meter compatibility with USB printers but can not ensure compatibility with all models. ® HI6321 can print directly to certain models of USB‑dedicated printers with PCL printer language capability. Printer components and requirements • Printer, PCL driver compatible •... -
Page 18: Language And Regional Preferences
Getting Started 7.4. POWERING THE UNIT & SELECTING OPERATING LANGUAGE AND REGIONAL PREFERENCES 1. Connect the power adapter to the rear panel of the meter. 2. Connect the power plug into the 24V power socket. 3. Press the black ON/OFF power button. At start up, the meter briefly displays the initialization screen. -
Page 19: System Menu Items
System Menu Items 8. SYSTEM MENU ITEMS key (Menu) to access System Menu screen. Note: In order to access the system menu a user must be logged in. 10:23:14 09/02/2024 Admin System Measurement Users Log Recall Help Settings Settings Display Brightness Symbol Name Functionality Login and rights configuration... -
Page 20: Users
System Menu Items 8.1. USERS Users is the first item under the System Menu and enables logins and account creation. 10:23:14 09/02/2024 Admin System Measurement Users Log Recall Help Settings Settings On first access, “Admin” is default user name and no password is required. Display Brightness Default options are updated from the Users menu. -
Page 21: Configure User Settings
System Menu Items 3. Tap to enable Account Creation and Logins. to return. 4. Tap Logout to enter Users screen. “Admin” account is automatically created. 5. Tap the plus symbol avatar. 6. Input user name and tap 7. Enter password and tap To bypass the password function, leave the field empty and tap on this screen. -
Page 22: Delete Users
System Menu Items Log Out & Switch User 1. Tap followed by Logout. 2. Tap on user’s account avatar. 3. Input password (if enabled). Reset Password 1. Select user name from users list. 2. Tap Reset Password. The password is removed. User will be prompted to enter a new password when selected from the log‑in screen. -
Page 23: System Settings
System Menu Items 8.2. SYSTEM SETTINGS System Settings is the second item under the System Menu. Network, Connect & Print, System tabs permit users to navigate system settings and operations, configure network connection and architecture, connectivity and printing services, change system settings, and view meter information. - Page 24 System Menu Items Network Data sharing options: Ethernet, Wi-Fi, Disabled With connection established, IP assignment can be set as: • Dynamic › IP Address, Gateway, Netmask, DNS Server are auto assigned • Static › network details are filled in manually Fill in network information: •...
- Page 25 System Menu Items 12:40:12 10/10/2024 Admin System Settings Connectivity Network Allow FTP access to meter Connect & Print Connect & Print Enable meter web server System Enable sending emails Info Printer Printer Standard Format Receipt Format Test Network USB Printer Flash Drive IP Address 10.168.21.21...
- Page 26 System Menu Items System Options: Time, Date, Language, Meter ID, Decimal Separator, Backlight Saver, Beepers, Startup Tutorial, Factory Settings, Reset User Note: Use the scroll bar to view or select from entire settings list. Time & Date to enable (disable): •...
- Page 27 System Menu Items Time Format: 24‑Hour, 12‑Hour (AM/PM) Date Format: DD‑Mon‑YYYY; YYYY‑Mon‑DD; DD/MM/YYYY; MM/DD/YYYY; YYY/MM/DD; YYYY‑MM‑DD; Mon DD, YYYY Language: select from list of supported options to change meter’s interface language Meter ID (Admin only) • Name the meter with a discrete name, location, or number. •...
- Page 28 Year Month Date Format 2022 DD/MM/YYYY 2023 MM/DD/YYYY Date 2024 System Menu Items YYYY/MM/DD 2025 YYYY-MM-DD 2026 Mon DD, YYYY YYYY-Mon-DD Română Factory Settings (Admin only) Nederlands Language Option restores system settings e.g. resolution for measured data, temperature unit, view mode, and alarms to English original factory values.
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Page 29: Measurement Settings
System Menu Items 8.3. MEASUREMENT SETTINGS Measurement Settings is the third item under the System Menu. icon to access Measurement Settings screen. Measurement Settings has the following tabs to help the user navigate through all the measurement operations: Calibration, Reading, Temperature, View, Alarms, Logging, Profiles. 10:23:14 09/02/2024 Admin... - Page 30 System Menu Items Temperature Conductivity Resistivity Salinity Temperature Source Automatic, Manual Temperature Unit °C, °F, K Temperature Compensation Linear, Natural, Standard, Disabled Manual ‑20.0 °C to 120.0 °C Reference Temperature 5.0 °C to 30.0 °C, (when temperature compensation option is not disabled) Temperature Coefficient 0.00 to 10.00 %/°C, (with Linear temperature compensation option only) User Temperature Calibration...
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Page 31: Log Recall
System Menu Items 8.4. LOG RECALL Log Recall is the fourth item under the System’s Menu. Data selection, data viewing, data sharing, deletion of log files are available when accessing LogRecall. 10:23:14 09/02/2024 Admin System Measurement Users Log Recall Help Settings Settings •... - Page 32 System Menu Items Log Recall • Tap icon to have logged data displayed in tabulated form or plotted. • Tap to view additional information about the log file including user information, log information, meter information, and GLP data. • With USB flash drive connected, tap Save Bitmap to save plotted data as image.
- Page 33 Transfer completion is confirmed and the instrument returns to Log Recall screen. HI6321 can act as an FTP server (host) or client. Meter has to be connected to the internet and Allow FTP access to meter enabled.
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Page 34: Installation
System Menu Items Connect via FTP to meter server 1. On preferred FTP software, type the meter’s IP address in the host field. 2. Enter the username and password of the user currently logged in. 3. Connect to view the files logged on the meter. Connect the meter to an FTP server and share logs: 1. - Page 35 System Menu Items Email Meter has to be connected to the internet and sending emails is enabled. System Settings › Connect & Print section. 1. Enter email address in the User menu ( ) to share log files via email. 2.
- Page 36 System Menu Items Web server Any browser can be used to access the web server and download log files. Meter has to be connected to the internet and meter web server enabled. System Settings, Connect & Print section. Note: Both the meter and the web have to be connected to the same network. 1.
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Page 37: Help
System Menu Items 8.5. HELP Help is the fifth item under the System Menu. • Tap to access support and navigate through an overview of system’s main functionalities. 10:23:14 09/02/2024 Admin System Measurement Users Log Recall Help Settings Settings Display Brightness •... -
Page 38: Measurement & Probe Setup Menu
Measurement & Probe Setup Menu 9. MEASUREMENT & PROBE SETUP MENU • Connect EC electrode to the connector on rear of meter. • Tap icon to access Measurement Settings screen. Measurement Settings has the following tabs to help the user navigate through all the measurement operations: Calibration, Reading, Temperature, View, Alarms, Logging, Profiles. -
Page 39: Calibration Reminder
Measurement & Probe Setup Menu Calibration Reminder Options: Disabled, Daily, Periodic • Daily: set the time of day the calibration reminder needs to be displayed. • Periodic: schedule time in days, hours and/or minutes after the last calibration for the calibration reminder to be displayed. “Calibrate probe”... -
Page 40: Reading
Measurement & Probe Setup Menu 9.2. READING Parameter Options: Conductivity, Resistivity, TDS, Salinity Tap to select measurement configuration. Unit • Conductivity › μS/cm, mS/cm, AutoRanging • Resistivity › Ω cm, kΩ cm, MΩ cm, AutoRanging • • • • TDS ›... -
Page 41: Stability Criteria
Measurement & Probe Setup Menu Stability Criteria Options: Accurate, Medium, Fast • Accurate: for applications where high accuracy is required. A measurement is recognized as stable using more critical criteria evaluating measurement fluctuations. • Medium: for applications where average accuracy is accepted. A measurement is recognized as stable using less critical criteria evaluating measurement fluctuations. -
Page 42: Temperature
Measurement & Probe Setup Menu 9.3. TEMPERATURE Temperature Source Options: Automatic, Manual Users can select between physical temperature input source (Automatic) and entering sample temperature value manually. • Automatic: built‑in temperature sensor adjusts the measured conductivity to a reference temperature. ATC is displayed indicating temperature compensation status. -
Page 43: Temperature Compensation
Measurement & Probe Setup Menu Temperature Compensation (Salinity) The temperature compensation is applied in accordance to the selected scale. • ppt applied according to the Natural Sea Water Scale 1966 • PSU applied according to the Practical Scale 1978 • % applied according to the Hanna Percent Scale ®... - Page 44 Measurement & Probe Setup Menu User Temperature Calibration Options: Calibrate, Clear Calibrate: starts a new user calibration. Clear: deletes the temperature calibration for the selected hardware module. To perform a new calibration: 1. Tap Calibrate. 2. Place the probe and a reference thermometer with 0.1 resolution into a stirred container of water. Allow reading to stabilize.
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Page 45: View
Measurement & Probe Setup Menu 9.4. VIEW Options: Basic, Simple GLP, Full GLP (Conductivity, Salinity %), Graph, Table Basic Screen displays the measured value, measurement unit, stability and temperature compensation status and source. Simple GLP Screen displays the last calibration date and time, and basic calibration information. Note: If the calibration is not available, “Not Calibrated”... - Page 46 Measurement & Probe Setup Menu Full GLP Screen displays the last calibration date and time, and full calibration information. Note: If the calibration is not available, “Not Calibrated” is displayed. 13:51:50 10/10/2024 Admin STD_EC 1416 Stable µS/cm 25.0 ° C 01/10/2024 08:18:46 Last Cal: mS/cm...
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Page 47: Alarms
Measurement & Probe Setup Menu 9.5. ALARMS Options: High / Low threshold limits Users can set the threshold limits for the measured parameters. When enabled, the measurement exceeds the high‑threshold value or drops below the low‑threshold value, the alarm is triggered, and an alarm message is displayed. If the alarm beeper is enabled, an audible beep will be heard. -
Page 48: Sampling Period
Measurement & Probe Setup Menu Logging Type & Log Naming Convention Options: Automatic, Manual, Autohold Automatic • Readings are logged at predefined time intervals, from 1 second to 180 minutes. to start. • Records are continuously added to the log until the session stops. to stop. - Page 49 Measurement & Probe Setup Menu File Name Option available with Manual and Autohold logging type only. To create a file name, from Logging screen: 1. Tap Create. 2. Use the keypad and enter file name (maximum 13 characters). 3. Tap to confirm. Log Note & Log Info Notes on measured data are saved together with logged data.
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Page 50: Profiles
Measurement & Probe Setup Menu 9.7. PROFILES A profile is a sensor setup complete with required measurement unit, temperature unit, display preference, and alarm threshold options. Once saved the profile can be loaded for applications that require similar configurations. Saved profiles are only accessible by the user who created it. Select Profiles tab to configure measurement profiles. -
Page 51: Calibration
Calibration 10. CALIBRATION 10.1. CONDUCTIVITY CALIBRATION HI6321 meter allows two types of conductivity calibrations: • Conductivity calibration to calculate offset and slope (up to 4 points): ˚ Offset: 0 μS/cm ˚ Slope: 84 μS/cm, 1413 μS/cm, 5.0 mS/cm,12.88 mS/cm ( 0.1/cm cell) ˚... - Page 52 Calibration Connect the probe to the meter. To calibrate the offset: 1. From Measurement screen, tap icon. 2. Tap Temperature tab. 3. Configure Temperature Source. 4. Tap Calibration tab. 5. Configure Standard Entry Type as Automatic. 6. Select number of calibration points. 7.
- Page 53 Calibration Manual Calibration With option selected, users have to option to edit calibration point values. 1. Follow Automatic Calibration procedure up to step 9 but configure Standard Entry Type (Step 5) as Manual. 2. Suspend the probe in the air. Allow for the reading to stabilize.
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Page 54: Salinity Calibration
Calibration 10.3. SALINITY CALIBRATION Salinity calibration can be performed with the parameter reading set to Salinity and Salinity Scale set to %. 1. From Measurement screen, tap icon. 2. Tap Reading tab. 3. Tap to configure reading Parameter to Salinity. 4. -
Page 55: Measurement
Measurement 11. MEASUREMENT When to measure conductivity instead of resistivity Resistivity is the reciprocal of conductivity and their scales emphasize different areas of the measurement range. Resistivity is commonly used in ultrapure water. Conductivity is suitable for measuring larger amounts of contaminants. Users can subsequently change parameter to Resistivity to measure in resistivity units (MΩ•cm). -
Page 56: Direct / Autohold Readings
Measurement 11.3. DIRECT / AUTOHOLD READINGS • Place the probe into the sample to be tested. Ensure the vent holes are completely submerged. • Tap to enable the autohold reading mode. • Measured value is displayed on the LCD. is displayed blinking. Autohold •... -
Page 57: Logging
Logging 12. LOGGING 12.1. AUTOMATIC LOGGING 1. From Measurement screen, tap 2. Tap Logging tab and then select Automatic logging type. 3. Scroll to select Sampling Period. 4. Log Note and Log Information can be entered. See section Log Note & Log Info for more details. - Page 58 Logging Automatic logging with Autohold 1. Tap Reading tab and then select Direct/Autohold reading mode. 2. Tap Logging tab and then select Automatic logging type. 3. Tap to return to the measurement screen. • The log will be started as soon as is tapped.All data will be added to the log at the selected sampling period.
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Page 59: Manual Logging
Logging 12.2. MANUAL LOGGING 1. From Measurement screen, tap 2. Tap Logging tab and then select Manual logging type. 3. Tap Create to enter a file name. 4. Tap Increment to set a sample name (prefix and sample ID). 5. Tap to return to the measurement screen. -
Page 60: Autohold Logging
Logging 12.3. AUTOHOLD LOGGING 1. From Measurement screen, tap 2. Tap Reading tab to select stability criteria. Option to select between Accurate, Medium, or Fast. Note: Autohold logging uses this criteria for logging. Setting this will affect when data is recorded. 3. -
Page 61: Maintenance
Maintenance 13. MAINTENANCE Meter The following steps outline the process to ensure users keep the benchtop clean and disinfected while limiting the risk of damage from unsuitable cleaners. • Disinfect the screen using commercially available non‑ammonia glass or disinfectant cleaner. •... -
Page 62: Error Messages
Error Messages 14. ERROR MESSAGES The system gives warning messages: • when erroneous conditions appear • while logging • when measured values are outside the expected range • invalid high/low temperature alarm value • invalid low/high mV Alarm value, isopotential point Note: See notifications area at the bottom of the screen. -
Page 63: Software Update
Software Update 15. SOFTWARE UPDATE To introduce new features and / or performance improvements, Hanna Instruments releases updated firmware ® versions. To check for new releases, scan the QR code or go to: https://software.hannainst.com. Requirements • USB‑A drive (FAT32 format) Steps 1. -
Page 64: Accessories
Accessories 16. ACCESSORIES CONDUCTIVITY SOLUTIONS HI7030M or HI7030L 12880 μS/cm standard solution, 250 or 500 mL HI7031M or HI7031L 1413 μS/cm standard solution, 230 or 500 mL HI7033M or HI7033L 84 μS/cm standard solution, 230 or 500 mL HI7034M or HI7034L 80000 μS/cm standard solution, 250 or 500 mL HI7035M or HI7035L 111800 μS/cm standard solution, 230 or 500 mL... -
Page 65: Certification
If service is required, contact your local Hanna Instruments office. If under warranty, report the model number, date of purchase, serial number (see engraved on the bottom of the meter) and the nature of the problem. If the repair is not covered by the warranty, you will be notified of the charges incurred. -
Page 66: Regulatory Notices For The Wi-Fi Module
Regulatory Notices for the Wi-Fi Module REGULATORY NOTICES FOR THE WI-FI MODULE United States (FCC) FCC ID: 2ADHKATWINC1500. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
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