Offering analog, Modbus, and SDI-12 communications
Overview
The ClariVue™20 is an ISO 7027-compliant, submersible, 90-degree, side-scatter turbidity sensor in a rugged titanium housing, making it the ideal choice for highly corrosive environments. The side-scatter turbidity measurement can be used as a surrogate for suspended sediment concentration (SSC) in aquatic ecosystems. The sensor returns data via SDI-12, analog, or Modbus to a data logger or controller for easy integration into your new or existing system.
Read MoreBenefits and Features
- Accurate measurement of suspended solids and turbidity to the industry standard 4000 FNUs
- Field-proven performance and reliability in a compact, low-power probe
- Compatible with modern Campbell Scientific data loggers and third-party systems
- Titanium housing for long-term deployment in the harshest of environments
- Wet-mateable connector allows for flexible installation without the worry of water ingress
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Detailed Description
The ClariVue 20 is designed to operate in fresh and saline environments. The sensor face is made from titanium to slow biological growth over the optical windows; however, the sensor requires regular maintenance to keep the optical window clean in high bio-fouling environments.
Caution: The ClariVue 20 may become damaged if it is encased in frozen liquid.
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Specifications
| Standards | Meets ISO 7027-1:2016 (side scatter) standard for turbidity measurements |
| Signal Type | SDI-12 v1.4, Modbus through RS-485, or analog |
| Operating Temperature Range | -2° to +40°C (28° to 104°F) |
| Analog Signal Output | 0 to 1 Vdc |
| Power Requirements | 9.6 to 18 Vdc |
| Measurement Range | 0 to 4000 FNU |
| SDI-12 Measurement Response Time |
12 to 28 s depending on the SDI-12 command (Refer to the manual for more information.) |
| Resolution | 0.2 FNU |
| Particle Size | 0.1 to 0.5 μm |
| Accuracy | ±2% or 0.5 FNU, whichever is greater |
| Housing Material | Titanium |
| Head Material | Titanium |
| Optics | Sapphire lens |
| Connector Description | MCBH-5-FS, titanium, six gold-plated pins, wet-mateable |
| Cable Type | Six-conductor, polyurethane jacket with water block |
| Optical Assembly | Sealed with double O-rings |
| Internal Temperature Measurement | ±0.2°C (±0.4°F) accuracy |
| Maximum Depth | 500 m (1,640 ft) |
| Sensor Diameter | 3.0 cm (1.2 in.) |
| Sensor Length | 16.6 cm (6.5 in.) |
| Sensor Weight | 200 g (0.44 lb) |
Power Consumption |
|
| Initial Measurement | 32 mA (30 s) |
| Idle | 0.75 mA |
| Measurement | 32 mA |