Product Description

HANNAs HI 3221 professional bench meter is designed to provide laboratory results under harsh industrial conditions Special Features : One input channel Backlit, Graphic LCD Exclusive Calibration Check™ Electrode Diagnostics to alert the user when the electrode needs cleaning. Prompts and messages on the graphic LCD for an easy and accurate calibration. 5 point calibration with 7 standard and 5 custom buffers Relative mV measurements Log on demand for up to 400 samples Auto HOLD to freeze readings on the display GLP to view last calibration data for pH, Rel mV or ISE User selectable “Outside Calibration Range” warning. User-selectable “calibration time out” to remind when a new calibration is necessary. PC compatible via USB