This manual provides you with the necessary information for correct use of the HI 3220, HI 3221 and HI 3222 pH/mV/ISE/Temperature Bench Meters, as well as a precise idea of their versatility.
This manual provides instructions for the Hanna Instruments HI 322x series of professional bench pH meters. These instruments feature a graphical LCD and are designed for laboratory use, offering single or dual input channels depending on the model. The HI 3220 measures pH and mV, the HI 3221 adds ISE measurement, and the HI 3222 supports dual channels with ISE capabilities.
| pH Resolution | 0.01 |
|---|---|
| Temperature Range | -20 to 120 ºC |
| Warranty Period | two years |
| pH Buffer Points | up to five |
The instruments are guaranteed for two years against defects in workmanship and materials.
The instrument is supplied with a glass body combination pH electrode, temperature probe, buffer solutions, cleaning solution, and a power adaptor.