Comparison of Portable Ph Meters
| Product | Manufacturer | Model No. | Parameters | Other Features | Warranties | Output | Price |
|---|---|---|---|---|---|---|---|
| Hanna Instruments edge® – Multiparameter Meter | Hanna Instruments | HI 2020 | pH EC DO | Rechargeable Battery | 1 Year | 5.5” LCD + Dual USB ports | -- |
| Hanna Instruments Multiparameter Meter | Hanna Instruments | HI 9829 | pH ORP Conductivity Turbidity Temperature Ions ions Ammonium Nitrate Chloride | Fast Tracker™—Tag I.D. System simplifies periodic monitoring | 1 Year | Graphic LCD with backlight + USB PC Connector | -- |