SLDF2595 Time‑Difference Ultrasonic Open‑Channel Flowmeter
SLDF2595 Time‑Difference Ultrasonic Open‑Channel Flowmeter Mainly applied for flow velocity and flow measurement of cross‑sections in open channels, irrigation districts, river courses and water‑transfer projects.
- Product Introduction
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SLDF2595 Time‑Difference Ultrasonic Open‑Channel Flowmeter
SLDF2595 Time‑Difference Ultrasonic Open‑Channel Flowmeter Mainly applied for flow velocity and flow measurement of cross‑sections in open channels, irrigation districts, river courses and water‑transfer projects.
Product Characteristics
· The velocimeter is simple and easy‑to‑use, capable of acquiring data such as flow velocity profile and water level.
· Adopts advanced digital signal‑processing technology; multi‑group probes realize layered flow‑velocity measurement.
· It can simultaneously measure the vector angle of layered water‑flow velocity and output forward/reverse flow direction.
· Compatible with multiple liquid‑level meters for flow calculation.
· Communication interfaces: RS485 (Standard Modbus Protocol), SDI‑12, RS‑232, RS‑422.
· Various parameters and irregular river‑section drawings can be input according to site conditions for calculating water‑cross‑section area and water flow.
· Anti‑theft function: Built‑in GPS+4G communication module. When the device is powered off or displaced, it will automatically send location information · to pre‑set mobile clients. Alarm messages with GPS position help device recovery.
· Low‑power‑consumption design ensures long‑term field operation.
· User‑friendly configuration, diagnosis and debugging software interface.
· Adopts military‑grade high‑temperature‑resistant chips.
TECHNICAL PARAMETERS
| Item | Specification |
| Product Model | SLDF2595 |
| Measuring Principle | Ultrasonic Time‑Difference Method |
| Channel Quantity | 1‑8 channels |
| Operating Frequency | 200KHZ |
| Acoustic Range | 20m |
| Flow Velocity Range | 0.01‑10m/s (Max. 30m/s) |
| Flow Velocity Accuracy | ±1.0%FS |
| Water Level Measuring Range | 0‑10M / 0‑20M / 0‑35M |
| Water Level Measurement Accuracy | ±1.0%FS (varies with liquid‑level change) |
| Water‑Level Resolution | 1mm |
| Flow Measurement Accuracy | 3‑5% (depends on water‑level measurement accuracy) |
| Temperature Measuring Range | -25℃ ~ 75℃ |
| Temperature Measurement Accuracy | ±0.4℃ |
| Measuring Cycle | 5‑60s adjustable (customizable) |
| Data Display | 5.0‑inch TFT touch screen |
| Parameter Setting | 5.0‑inch TFT touch screen or RS485 |
| Liquid‑Level Measurement | Electronic scale, ultrasonic liquid‑level meter |
| Liquid‑Meter Connection | 4‑20mA, RS485 |
| Transducer Protection Grade | IP68 |
| Totalizer Protection Grade | IP65 |
| Data Output | Water level, layered flow velocity, average flow velocity, cross‑section area, flow rate, etc. |
| Communication Protocol | RS485 (Standard Modbus Protocol), SDI‑12, RS‑232, RS‑422 |
| Power Supply Voltage | DC8‑30V (12V or 24V optional) |
| Whole‑unit Power Consumption | Main unit: ＜2.2WTFT screen: Backlight on＜1.4W, Backlight off＜0.4WSound‑channel power consumption: 0.5W per channel |
| Voltage Output | DC12V or DC24V |
| Operating Temperature | -20℃ ~ 70℃ |
| Medium Temperature | -20℃ ~ 80℃ |
| Totalizer Relative Humidity | 95% |
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