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SH-UVFS200 Continuous Spectrum Digital UV Probe
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Overview
The continuous spectrum UV absorption probe uses UV-Vis absorption technology to obtain corresponding pollutant levels in water samples through dual-beam compensation combined with chemometric algorithmic analysis. The measurement system consists of the measurement probe, the controller, the connection cable (standard 10 metres), and the mechanical wiper.
Measurement technique
The different pollutants present in the water body have specific light absorption characteristics at different wavelengths (water absorption spectrum fingerprint), as shown in the following figure. The full-spectrum water quality probe detects pollutants in the water body using the absorption spectrum in the 190nm ~ 750nm band and the chemometric mapping relationship, so as to obtain the pollutant content analysis of water samples for COD, TOC, BOD5, turbidity, colour, TSS, and nitrates.
Product features
- Continuous spectrum detection technology, reagent-free, no secondary pollution
- Modular cleaning brush design, easy to replace, low maintenance costs
- Dual beam detection, automatic compensation of emission attenuation
- High measurement accuracy
- 4 types of variable optical attenuator, fast response time, 10 seconds rapid response.
Probe specifications
| Measured wavelength | 190~750 nm |
| Route length | 35 / 15 / 5 mm, to be selected |
| Measurement parameters |
COD, TOC, BOD, Nitrates, Turbidity, TSS, Colour, SAC254
|
| Response time | Less than 10 seconds |
| Measuring range (track length 35 mm) |
COD: (0-70) mg/L; TOC: (0-30) mg/L; Nitrate: (0-5) mg/L; Turbidity: (0~200) NTU; TSS: (0~100) mg/L; Colour: (0~300) Hazen; SAC254: (from 0 to 70) Abs/m. |
| Measuring range (path length 15 mm) |
COD: (0 to 165) mg/L; TOC: (0 to 70) mg/L; Nitrate: (0~15) mg/L; Turbidity: (0–465) NTU; TSS: (0–230) mg/L; Colour: (0-700) Hazen; SAC254: (from 0 to 165) Abs/m. |
| Measurement range (path length 5 mm) |
COD: (0–500) mg/L; TOC: (0–210) mg/L; Nitrate: (0~50) mg/L; Turbidity: (0-1400) NTU; TSS: (0-700) mg/L; Colour: (0~2100) Hazen; SAC254: (from 0 to 500) Abs/m. |
| Indicatori di prestazione |
Accuracy: not exceeding ±5.0% F.S.; Repeatability: ≤2.0%; Zero drift: no more than ±2% F.S.; |
| Automatic cleaning | The mechanical brush can be set to clean the optical window at regular intervals (1 mm optical path excluded). |
| Serial connection | RS485 |
| supply | 24 Vdc / 10 W |
| Operating temperature | 0-50 °C |
| Level of protection | IP68 |
| Dimensions | 44 (Φ) * 533 (L) mm |
| Weight | around 2.5 kg |
Controller technical specifications
| User interface | 7-inch colour touchscreen |
| supply | 220VAC or 24VDC |
| Communication method | 4G, in accordance with HJ-212 |
| Level of protection | IP65 |
| Operating temperature | -20 to 60°C |
| Dimensions | 223 (L) * 199 (L) * 116 (H) mm |
Technical specifications of the mechanical brush
| Cleaning method | Automatic cleaning/manual cleaning |
| Control method | Switching signals |
| Operating temperature | (0~50) °C |
| supply | 12VDC/1W |
| Level of protection | IP68 |
| Dimensions | 184 (W) x 85 (D) x 63 (H) mm |
Operating specifications of the flow cell
| Internal volume | Approximately 100 ml |
| Inlet/outlet pipe diameter | Outer diameter 8 mm, inner diameter 5 mm |
| The materials | Main body: polyurethane; viewing window: plexiglass |
| Dimensions | 184 (W) x 85 (D) x 63 (H) mm |
Product Applications
Environmental surface waters, municipal wastewater, industrial wastewater