VS905D Hydrological Measuring Device
The VS905D Hydrological Measuring Device is a high-precision, rugged instrument engineered for continuous environmental and water resource monitoring. Designed for use in diverse aquatic environments—ranging from open rivers and irrigation canals to coastal zones and groundwater wells—the VS905D delivers reliable, real-time data for hydrological analysis, flood forecasting, and ecological management.
Available in Stock
Nationwide Delivery
30 Days Returns
Product Specifications
| Parameter / Feature | Specification Details |
| Device Model | VS905D |
| Primary Applications | Surface water monitoring, rivers, open channels, lakes, reservoirs, and hydro-meteorological stations |
| Measured Parameters | Water Level, Flow Velocity, Water Temperature, Electrical Conductivity (EC) |
| Water Level Measurement | |
| • Technology | Vented pressure transducer / Radar option available |
| • Range | 0 to 20 meters (Standard); custom ranges available up to 50 meters |
| • Accuracy | pm 0.05 FS (Full Scale) |
| • Resolution | 1 mm |
| Flow Velocity Measurement | |
| • Technology | Micro-Acoustic Doppler or Electromagnetic velocity sensing |
| • Range | -0.5 m/s to +5.0 m/s |
| • Accuracy | pm 1 of measured value pm 0.005 m/s |
| Water Temperature | |
| • Range | -5^ C to +50^ C |
| • Accuracy | pm 0.1^ C |
| Electrical Conductivity (EC) | |
| • Range | 0 to 100 mS/cm |
| • Accuracy | pm 0.5 of reading |
| Data Interface / Communication | SDI-12, RS-485 (Modbus RTU), optional 4–20 mA analog output |
| Power Supply | 9 to 28 VDC |
| Operating Temperature Range | -20^ C to +70^ C |
| Ingress Protection (IP) Rating | IP68 (Submersible for underwater/long-term deployment) |
| Enclosure Material | Marine-grade stainless steel / Engineered engineering-grade polyurethane |
| Dimensions & Weight | Length: ~320 mm, Diameter: ~48 mm; Weight: ~1.8 kg (varies by cable length) |