HI 322X Series of Laboratory pH Bench Meters

Hanna’s HI 322x series of professional bench meters are designed to provide laboratory results under harsh industrial conditions.
The meters feature up to 5 point calibration with a choice of 5 custom and 7 standard buffers. This series is provided with and on-screen calibration guide and a new diagnostic feature that allows users to dramatically improve measurement reliability. The Calibration Check™ diagnostics system ensures accurate readings every time by alerting users of potential problems during the calibration process.
The HI 3220 and HI 3221 offers a one input channel while HI 3222 is equipped with 2 input channels for simultaneous measurements.