Introduction to Sensor
The CS547A probe monitors the electrical conductivity (EC) and temperature of water. EC is measured with three cylindrical stainless-steel electrodes mounted in an epoxy housing. The electrode configuration eliminates ground loop problems associated with sensors in electrical contact with earth ground. The electrodes are ac coupled, and a bipolar excitation is applied. This reduces electrochemical reactions, minimizes corrosion, and extends the probe’s life. Temperature is sensed with a thermistor.
Specifications
Specifications
| Output | Analog (requires A547 interface) |
| Conductivity Measurement Range | ~0.005 to 7 mS/cm |
| Temperature Measurement Range | 0° to 50°C |
| Conductivity Accuracy |
|
| Temperature Polynomial Linearization Error | Typically < 0.1°C (over 0° to 48°C) |
| Thermistor Interchangeability | Typically < 0.2°C (over 0° to 50°C) |
| Wetted Materials | Epoxy housing, 316 stainless-steel rings, polyurethane cable |
| pH Operating Range | Solution pH of less than 3.0 or greater than 9.0 may damage the stainless-steel housing. |
| Operating Temperature Range | 0° to 50°C |
| Depth Rating | 305 m (1000 ft) maximum |
| Dimensions | 8.9 x 2.54 x 1.9 cm (3.5 x 1 x 0.75 in) |
| Weight |
|
| Weighted Cable Weight | 80 g (2.8 oz) |
Features
Applications
Environmental Monitoring
Hydrological Studies
Agricultural Irrigation
Water Management
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