HI3221 and HI3222 series are professional pH bench meters with a graphic LCD, designed to provide high accuracy and ease of use in laboratory settings as well as in harsh industrial conditions. HI3221 is a single input model measuring pH, ORP, or ISE and temperature utilizing a single channel. HI3222 is a dual input model measuring pH or ORP and temperature on channel 1; and ISE or ORP and temperature on channel 2. A relative mV feature is also available for both models. These instruments feature Hanna’s exclusive Calibration Check diagnostics system that eliminates erroneous readings due to dirty (faulty) pH electrodes or contaminated buffer solution by alerting users of potential problems during the calibration process. Throughout the calibration process, users are guided step-by-step by the on-screen tutorial. After calibration, a probe condition indicator informs users of the overall electrode status. A variet y of interactive user suppor t is available before, during and after measurement. On-screen tutorials guide users through set-up, calibration and measurement while context sensitive help of any screen is available at a push of a button. The HELP screen accessed via a dedicated HELP button, includes language specific assistance for menu parameters, calibration, log, contact information and accessories. Main Features • Single input channel (HI3221) • Dual input channel (HI3222) · pH/mV and temperature measurements (Channel 1) · ISE/mV and temperature measurements (Channel 2) • Up to 5 point pH calibration with 7 standard buffers and 5 custom buffers to choose from • Calibration with millesimal pH buffers (with meter resolution set to 0.001 pH) • Messages on the graphic LCD for an easy and accurate calibration • Diagnostic features to alert the user when the electrode needs cleaning • Three types of logging modes (for pH and mV) · Stability logging · Interval logging · Log-on-demand • Relative mV measurements • Log on demand, up to 300 samples (HI3221), 400 samples (HI3222) • Log interval with log on stability feature, up to 600 records • Auto Hold feature, to freeze first stable reading on the LCD • GLP feature, to view last calibration data for pH or Rel mV • PC interface HI3221 • HI3222 pH/ORP/ISE/Temperature Bench Meters 3 ISE 3.16 | www.hannainst.com benchtop
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