Hanna Instruments HI96785 Hanna HI96785 calcium hardness photometer, 0-750 mg/L as CaCO3. Boiler feedwater + cooling-tower monitoring.
| Model | HI96785 |
| Method | Calmagite colorimetric |
| Range | 0-750 mg/L CaCO3 |
| Accuracy | ±5% |
| Calibration | 2- or 3-point + auto-recognition |
| Sample volume | 10 mL (photometer) / probe-immersion (meter) |
| MOQ | 1 |
Standard Hanna HI reagents (matching checker code).