Hanna Instruments HI6221 Advanced pH & ORP Meter

Key Features

• Application profiles allow for quick and direct measurement without updating the settings.
• Log files can be transferred to a USB flash drive.
• Ethernet and Wi-Fi network data sharing options.

Getting Started

1. Identify the base plate (1), place the meter face down, and proceed as illustrated. [Diagram: Meter placed face down on a base plate].
2. Follow the user manual for electrode preparation.
3. Connect the pH electrode (2), temperature probe (3), and power adapter (4) to the rear panel of the meter. [Diagram: Rear panel showing connections for electrode (2), probe (3), and power adapter (4)].
4. Connect the power plug and press the black ON/OFF power button (5). [Diagram: Meter with power button (5) indicated].

Note: Remove the transparent film that protects the capacitive touchscreen prior to operating the meter.

Package Contents

Each HI6221 is supplied with:

• HI1131B pH electrode
• HI7662-TW temperature probe
• pH 4.01 buffer solution (2 sachets)
• pH 7.01 buffer solution (4 sachets)
• pH 10.01 buffer solution (2 sachets)
• Electrode cleaning solution (2 sachets)
• Electrode storage solution (25 mL)
• 3.5M KCl electrolyte fill solution (30 mL)
• Capillary pipette (1 pc.)
• Electrode arm with base plate and screw (requires mounting)
• 24 VDC power adapter
• USB-C to USB-A cable
• Probe quality certificates
• Instrument quality certificate
• Quick reference guide

General Description

The HI6221 is Hanna Instruments' advanced pH and ORP meter with a large touchscreen display and streamlined design.

System Overview

Hardware Flexibility

Connectors for printer, keyboard, Ethernet.

User Interface

7-inch color display, 800 × 480 resolution. Multi-touch screen supports video playback and data plotting.

Measurement Flexibility

User profiles. Accessible logging control.

Select Operating Language

At first power on, the meter launches into a startup tutorial. By default, English is selected. Use the language window to select the operating language.

Touchscreen Navigation

• Back [Back icon]: Returns user to the previous hierarchical menu level; exits or escapes a function.
• Home [Home icon]: Accesses the measurement screen; exits or escapes a function.
• Menu [Menu icon]: Accesses Users, System Settings, Log Recall, Reports, and Help.

Basic Operations

General operating modes include setup, measurement, logging, and data sharing.

• Tap [Key icon] to access:
  • User settings
  • System settings
  • Log recall files and file management (User can view a single sample or an interval log session).
  • Reports for method-specific applications
  • Help for text and video support
• Tap [Key icon] to return to measurement.
• Tap [Measurement Settings icon] to access sensor-related functions.

Log in & Create New Account

1. Tap [Login icon] followed by [Account icon].
2. Tap "Edit Users" to enter Account Management.
3. Tap [Icon] to enable Account Creation and Logins. Tap [Icon] to return.
4. Tap "Logout" to enter the Users screen. The "Admin" account is automatically created.
5. Tap the plus symbol avatar [Add user icon].
6. Input user name and tap [Icon].
7. Enter password and tap [Icon]. Re-enter password to confirm.

Electrode Usage Guidelines

• Remove protective cap and rinse with water to eliminate salt build-up.
• Check correct electrolyte level. Refill when level falls below 1½" from the fill hole opening. Keep the fill hole open (1) during calibration and measurement.
• To refresh the electrode, soak in HI70300 Storage solution for at least 30 minutes.
• Keep the glass bulb (3) and junction (2) hydrated. Store with a few drops of storage solution in the protective cap.
• Keep the junction (2) immersed during calibration/measurement.

KEEP DEVICE UP TO DATE

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 [QR code for firmware updates]

Commitment & Warranty

Hanna Instruments is committed to developing and deploying digital solutions with a positive impact on the environment and climate.

All Hanna instruments conform to the CE European Directives and our production facilities are ISO 9001 certified. The HI6221 is warranted for a period of two years (probes for six months) against defects in workmanship and materials when used for its intended purpose and maintained according to instructions.

Please retain for future use.