High precision, non-contact nephelometer for continuous turbidity measurement, US EPA 180.1 compliant.
The unique non-contact measurement concept of the AMI Turbiwell White LED eliminates fouling on optical surfaces. Because of this and the heated optics the analyser ensures highly accurate and robust turbidity readings over a long time without any maintenance. The instrument complies with the EPA 180.1 standard, and it is operated without consumables and wear parts which makes it to a highly cost-effective solution. The main areas of application are raw-, potable-, cooling- and effluent water treatment.
Key Features
- Non-contact design avoids optical surface fouling and eliminates measurement drifts.
- LED light source ensures long life and stable measurements.
- Heated optics prevent condensation effects for accurate results.
- Integrated constant head ensures stable sample flow to the measuring chamber.
- Cost-efficient operation is guaranteed, as no consumables or wear parts are required.
- Manual or automated chamber draining for cleaning.
Turbiwell W/LED Specifications
Non-contact turbidity (nephelometer according to EPA 180.1) with control electronics, sample chamber, drain valve for chamber purging (manual or automated) and optional sample degasser.
Complete system with:
- Complete system mounted on a PVC panel (15.75 × 33.5 in), factory calibrated (formazine) and ready for operation.
- Measuring and control transmitter in an aluminium enclosure (IP 66).
- Two freely scalable signal outputs with simulation mode.
- Potential-free alarm contact for programmable alarm values and instrument fault indication.
- Monitoring of maintenance requirements.
| Measuring range | 0 – 100.0 NTU |
|---|---|
| Precision | ± (0.003 NTU + 1% of reading) |
| Accuracy (formazine primary standard) | 0 – 40 NTU: ± (0.01 FNU + 2% of reading) / > 40 NTU: ± 5% of reading |
| Sample flow rate | Approx. 5 – 16 gal/h |
| Sample temperature | Up to 113 °F |
| Power supply | 100 – 240 VAC (±10%) / 10 – 36 VDC |
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