Hach HQ2200 multi-parameter portable meter with 2 IntelliCAL probe channels. pH, conductivity, DO, ORP, ammonia, nitrate, fluoride — one instrument.
| Model | HQ2200 |
| Method | Multi-parameter IntelliCAL |
| Range | Probe-dependent |
| Accuracy | Probe-dependent |
| Light source | LED / tungsten (spectro) |
| Power | Li-ion rechargeable or 4×AA |
| Enclosure | IP67 (field models) |
| MOQ | 1 |
Uses Hach TNTplus + PermaChem reagent chemistries (vials + powder pillows).