A Bubbler Type Water Level Recorder (BTWLR) is a highly reliable and accurate water level monitoring system widely used in rivers, canals, reservoirs, tanks, and groundwater applications. This system operates on a simple yet effective principle—air is bubbled through a submerged tube, and the backpressure created is directly proportional to the water level. This non-contact sensing method ensures precise measurements while keeping sensitive electronic components safely above the water surface. Known for its robustness and long-term stability, the bubbler system performs efficiently even in challenging environments with debris, sediment, floating materials, or fluctuating flow conditions. The recorder automatically logs water level data at preset intervals and offers versatile communication options such as GSM, GPRS, telemetry, and cloud connectivity for real-time data access. Its durable construction, low maintenance requirements, and reliable performance make it ideal for hydrological studies, irrigation planning, flood monitoring, and water resource management.
Key Features
| Measurement Principle | Gas Purge (bubbler) Hydrostatic Level |
| Medium | Clean, Dry Air |
| Measurement Range | 0–15 M, 0–30 M |
| Bubble Rate Control | Automatic |
| Memory Type | Up To 16 MB |
| Purge Line Material | High-density Polyethylene (HDPE) |
| Antenna Type | External Whip Antenna Network |
| Output Signal | Digital (RS-485 / SDI-12) |
| Data Logging Interval | User-configurable (1 Min To 24 Hrs) |
| Finish | Matte |
| Application | Used For Recording Groundwater Levels, Or Water Temperature |
| Enclosure Protection | IP65 Or Higher |
| Material | Aluminum / Stainless Steel |
| Battery Backup | Min 15 Days Without Solar Charging |
| Installation Option | Open Channel, River, Well |
| Calibration | Factory Calibrated With Traceable Certificate |
| Manufacture By | Lakshmi Engineering Works |
| Origin | India |