Specifications HI2620 HI2621 pH Range* -2.00 to 16.00 pH -2.00 to 16.00 pH; -2.000 to 16.000 pH† Resolution 0.01 pH 0.01 pH; 0.001 pH† Accuracy (@25°C/77°F) ±0.01 pH ±0.01 pH; ±0.002 pH† Calibration automatic, up to three point calibration, 5 standard buffers available (4.01 or 3.00, 6.86, 7.01, 9.18, 10.01) automatic, up to three points (five points†) calibration, 5 standard (7 standard†) buffers available (1.68†, 4.01 or 3.00, 6.86, 7.01, 9.18, 10.01, 12.45†) and two custom buffers† Temperature Compensation* automatic, -5.0 to 100.0°C (23.0 to 212.0°F) (using built-in temperature sensor) Electrode Diagnostics standard mode: probe condition, response time and out of calibration range mV pH Range ±1000 mV ±1000 mV Resolution 0.1 mV 0.1 mV Accuracy (@25°C/77°F) ±0.2 mV ±0.2 mV ORP Range ±2000 mV ±2000 mV Resolution 0.1 mV 0.1 mV Accuracy (@25°C/77°F) ±0.2 mV (±999.9 mV); ±1 mV (±2000 mV) ±0.2 mV (±999.9 mV); ±1 mV (±2000 mV) Calibration one-point calibration one-point calibration Temperature Range* -20.0 to 120.0°C; -4.0 to 248.0°F -20.0 to 120.0°C; -4.0 to 248.0°F Resolution 0.1°C; 0.1°F 0.1°C; 0.1°F Accuracy ±0.5°C; ±0.9°F ±0.5°C; ±0.9°F Additional Specifications Probe HI11310 digital glass body pH electrode with 3.5 mm (1/8”) connector and 1 m (3.3’) cable Logging — up to 1000† (400 for basic mode) records organized in: manual log-on-demand (max. 200 logs), manual log-on-stability (max. 200 logs), interval logging† (max. 600 samples; 100 lots) Connectivity — 1 USB-C port for PC connectivity Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing Power Supply USB Type C (5 VDC; 500 mA) USB Type C (5 VDC; 500 mA) Dimensions 205 x 160 x 77 mm (8.0 x 6.2 x 3.0 “) Weight Approximately 850 g (1.87 lbs.) Ordering Information HI2620 pH benchtop meter includes HI11310 glass body refillable pH electrode, 1.5 m USB-C to C USB-C cable, quality certificates, and QR code for manual download. HI2621 pH + Logging Benchtop Meter includes HI11310 Glass Body Refillable pH Electrode, pH 4 buffer solution sachets (2), pH 7 buffer solution sachets (4), pH 10 buffer solution sachets (2), electrode cleaning solution sachets (2), electrode holder, 1.5 m USB-C to C USB-C cable, quality certificates, and QR code for manual download. * limits will be reduced to actual probe limits † standard mode only pH digital electrodes begin on page 2.147; pH and ORP solutions begin on page 2.160 • Sleek, clean, intuitive design • Resolution selectable from 0.01 and 0.001 pH (HI2621 only) • Basic mode for simplified operation • Temperature readout (°C or °F) • Data logging (HI2621 only) · Manual log-on-demand · Manual log-on-stability · Interval logging (HI2621 Standard mode only) • Simplified data transfer to a PC (HI2621 only) • Automatic Temperature Compensation (ATC) • CAL Check™ Indicators: · Probe condition · Response time · Check buffer · Clean electrode • Sensor Check™ Indicators: · Broken electrode · Clogged junction • Internal clock and date • Dedicated GLP key • GLP data included with logged data · Records date, time, offset, slope, and buffers used during calibration • Five-point (HI2621) or threepoint (HI2620) calibration · A choice of Hanna and NiST buffers plus selectable custom buffers available • Calibration tags on screen · Identifies buffers used for current calibration • Calibration expiration warning Features at a Glance 2 pH 2.23 www.hannainst.com | benchtop
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