LCK 314 COD Cuvette Test, 15–150 mg/L
Part no. LCK314Pre-dosed COD cuvette test for final effluent and low-load samples.
- 15–150
- mg/L O₂
- 25
- tests
- Barcode
- read

Proven benchtop VIS spectrophotometer with over 220 pre-programmed methods. Being replaced by the DR4900.
The DR3900 is a benchtop visible spectrophotometer built for fast, consistent routine water analysis. Automatic data logging reduces the risk of losing records. It is being replaced by the DR4900; we continue to support existing DR3900 users with reagents, service and calibration.
| Brand | HACH |
|---|---|
| Instrument type | Benchtop visible spectrophotometer |
| Wavelength range | 320–1 100 nm |
| Methods | Over 220 pre-programmed methods |
| Data | Automatic data logging |
| Status | Being replaced by the DR4900 |
Key specifications summarised from manufacturer information. Confirm against the current datasheet before ordering.
Pre-dosed COD cuvette test for final effluent and low-load samples.
Pre-dosed COD cuvette test for influent and high-load samples.
Digestion reactor for COD, total nitrogen and total phosphorus cuvette tests.

The new benchtop spectrophotometer that succeeds the DR3900, with a 10-inch screen and built-in test diagnostics.
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