Hach 2100AN benchtop turbidimeter, EPA 180.1 + ISO 7027. 0-10000 NTU ratio-nephelometric, USP<788> capable.
| Model | 2100AN |
| Method | 90° + 4-beam ratio |
| Range | 0-10000 NTU |
| Accuracy | ±2% reading |
| 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).