Specifications HI6221 pH Range -2.0 to 20.0 pH; -2.00 to 20.00 pH; -2.000 to 20.000 pH Resolution 0.1 pH; 0.01 pH; 0.001 pH Accuracy ±0.1 pH; ±0.01 pH; ±0.002 pH (±1 last significant digit) mV Range −2000.0 mV to 2000.0 mV Resolution 1 mV; 0.1 mV Accuracy ±0.2 mV ±1 last significant digit Temperature Range -20.0 to 120.0 °C; -4.0 to 248.0 °F; 253.0 to 393.0 K Resolution 0.1 °C / 0.1 °F / 0.1 K Accuracy ±0.2 °C / ±0.4 °F / ±0.2 K Relative mV offset range ±2000.0 mV Reading Modes Direct; Direct/Autohold Stability criteria Accurate; Medium; Fast Isopotential 7.000 or 4.010 Sampling rate 1000 ms pH Calibration Calibration points Up to 5 Type Automatic; Semiautomatic; Manual Standard buffers Hanna and NIST pH 1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45 Custom buffers Up to 5 Custom group Up to 5 1st calibration point Offset or Points (user setting) Reminder Disabled Daily: 0 min. to 23 hours and 59 min. Periodic: 1 min. to 500 days, 23 hours and 59 min. Temperature User Calibration 1 point, adjustable pH Views Basic Measurement pH: pH measurement and pH mV mV: measurement Rel.mV: measurement, Absolute mV Temperature (ATC or MTC) Measurement profile (when enabled) Stability status Simple GLP Basic view information pH last calibration date, electrode offset, average slope, and electrode condition (for 24 hours after calibration) Rel. mV: Last Calibration, Offset Full GLP (pH only) Simple GLP information and calibration point details Graph (Plot) pH, mV, Rel. mV and temperature versus time graph can be panned or zoomed (pinch-to-zoom technology) Table Measurements updated every second are displayed in table. With Manual logging type, configuration displays table of logged data points. pH Temperature Compensation Automatic or Manual Logging Type Automatic, Manual, Autohold Number of records 50 000 maximum per file Stores at least 1 000 000 data points per user Automatic interval 1, 2, 5, 10, 30 seconds 1, 2, 5, 10, 15, 30, 60, 120, 150, 180 minutes Sample ID Incremental mode or manual Export option .CSV file format Users Up to 9 users and admin. account (default) Connectivity USB-A 2 ports for keyboard input or USB thumb drive USB-C 1 port for PC connectivity and USB-C type thumb drive Wi-Fi & Ethernet FTP Web server Log transfer and download Email RS232 Connecting peripherals Power supply DC adapter 100-240 VAC to 24 VDC 2 A Environment 0 - 50 °C / 32 - 122 °F / 273 - 323 K maximum 95% RH non-condensing Dimensions 205 x 160 x 77 mm (8.0 x 6.2 x 3.0 “) Weight Approximately 1.2 kg (26.5 lbs.) Ordering Information HI6221 is supplied with HI1131B pH electrode; HI7662-TW temperature probe; pH calibration starter kit consisting of: pH 4.01 buffer solution (2 sachets), pH 7.01 buffer solution sachet (4 sachets), pH 10.01 buffer solution sachet (2 sachets); HI700601 electrode cleaning solution sachet (2 sachets); HI70300S storage solution for pH & ORP electrodes (25 mL); HI7082 3.5M KCl electrolyte solution (30 mL); HI764060 electrode holder with following accessories: base plate (integrated pivot pin) and screw (requires installation), cable holder clip (attached), electrode holder with adapter, attached, capillary pipette; 24 VDC power adapter; USB-C to USB-A cable; probe quality certificate; quick reference guide with instrument quality certificate. HI6221-03 includes the above without electrode. pH and ORP electrodes begin on page 2.138; pH and ORP solutions begin on page 2.158 2 pH 2.17 www.hannainst.com | benchtop
RkJQdWJsaXNoZXIy MTI3NTM=