Wuhan WTR Expert Technology Co., Ltd.
Automatic Radar Flow Measurement System SCJ-ZDLL01
The SCJ-ZDLL01 automatic radar flow measurement system comprises a cableway tower, an autonomous monitoring vehicle, a radar current meter, a telemetry terminal, a LORA radio, a water level sensor, a power supply system, and a charging station. Designed for low power consumption, the system allows configurable data acquisition intervals and supports continuous online operation, enabling on-demand remote data retrieval.
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Features
● Wide-channel multi-vertical-line dynamic measurement: Supports input of large cross-sectional data with up to 127 measurement points and enables configuration of 64 or more vertical lines (customizable)
● Intelligent cross-section compensation algorithm: Integrates an advanced irregular-section computation model, enabling real-time and accurate calculation of flow area based on dynamic water level data
● High-level intelligence: Achieves fully autonomous operation—from energy management to fault detection and response—ensuring true 7×24-hour unattended monitoring
● Fully automated operation: Equipped with infrared wake-up and position verification functions; measurement tasks can be triggered either on a scheduled basis or dynamically in response to water level fluctuations
● Efficient energy management: Automatically returns to the charging station when battery levels are low and disconnects power upon full charge, optimizing charging cycles and prolonging battery lifespan
● Dual-mode control and redundancy: Supports local serial interface debugging as well as remote configuration, firmware updates, and on-demand data retrieval—measurement commands can even be initiated remotely via mobile devices
● User-friendly local interface: Features a built-in 2.8-inch TFT display and keypad for convenient on-site setup, parameter adjustment, and troubleshooting
● Integrated compatibility and expandability: Seamlessly integrates radar-based surface velocity sensors and non-contact radar water level sensors within a unified system architecture
● Measurement accuracy and operational efficiency: Employs multi-vertical-line dynamic cross-section segmentation technology to effectively address the industry challenge of heterogeneous velocity distribution in wide river channels
● Comprehensive fault diagnosis: Incorporates slip detection, end-limit alarms, and a dual-rail anti-derailment mechanism (with standard rail spacing of 300 mm) to ensure mechanical reliability
● Robust fault-tolerant design: Automatically transitions into a safe standby mode under abnormal conditions, preserving system integrity and enabling rapid recovery
● Environmental adaptability: Engineered for reliable performance in extreme weather conditions, combining a dual-rail anti-derailment structure with non-contact sensing to maintain functionality during high-flow events and adverse environments
● Extended operational endurance: Designed for ultra-low power consumption, ensuring continuous operation unaffected by rain, wind, or grid outages, with dual power support from solar panels and AC mains
● System interoperability: Supports customizable communication protocols for seamless integration into third-party supervisory control and data acquisition (SCADA) or hydrological monitoring platforms
Parameter
| Parameter | Explanation |
| Power supply | DC 12V/24V 2A (limiting DC 6-28V) usually for DC12V 24W power supply |
| Working current | <5.5 mA @ DC12V 25℃ ① |
| Standby current | <0.6mA @ DC12V 25℃ ① |
| Operating Temperature | -30℃-70℃ |
| Storage temperature | -35℃-75℃ |
| RF conductance sensitivity | LTE FDD B1/B3/B5/B8/B34/B38/B39/B40/B41 <-99dBm ② |
| RF output power |
LTE FDD B1/B3/B5/B8 -44dBm ~ 23dBm (±2dBm) LTE TDD B34/38/B39/B40/B41 -42dBm ~ 23dBm (±2dBm) ② |
| Maximum output current | <2A @DC12V (the total current output to the sensor should not exceed 2A) |
| SIM card type | MicroSIM (full Netcom 4G SIM card) |
| Display screen | 2.8 inch TFT LCD 320*240 resolution |
| Short pass method | Wireless Lora |
| Transmission mode | Ethernet /4G/or 2G/3G/5G/WIFI |
| Waking method | Infrared wake-up, LORA air wake-up |
| Measurement method | Timed, triggered, on-demand |
Autonomous monitoring vehicle
| Battery parameters | 18.5V 20AH lithium battery |
| Charging voltage | DC24~28V |
| Charging current | <1.2A |
| Charging method | Automatic constant current and constant voltage charging with the capability to actively terminate the charging process. |
| Limiting method | Limit photoelectric sensing, charging position sensing |
| Operating Temperature | -30℃-65℃ |
| Wheel Gauge | 300mm |
| Transmission mode | Wireless Lora or 2.4G |
| Waking method | Infrared wake-up, LORA air wake-up |
| Current meter interface | DC12V RS485 |
| Communication distance | ≥3000m |
| Position accuracy | > 0.1% |
| Ingress Protection Rating | IP45 |
| Wind Resistance Class | Class 8 |
| Motor Power | ≤40W |
| Other functions | Slip detection, abnormal charging alarm, fault alarm |
| Size | 474x325x112mm |
Radar current meter
| Power supply | DC 12V/24V (limit DC 9-28 V) Recommended DC12V |
| Working current | Average current < 18 mA @ DC12V, 25℃ ① |
| Operating temperature | -30℃~70℃ |
| Storage temperature | -40℃~85℃ |
| Flow velocity range | 0 - 65 m/s (Settable range: 0 - 18 m/s; 0 - 36 m/s; 0 - 65 m/s), default: 0 - 18 m/s ② |
| Flow velocity accuracy | 1% (±1cm/s with 1 m) |
| Flow velocity resolution | 1mm/s |
| Waterproof grade | IP68 |
| Power supply protection | Anti-reverse connection protection, ESD protection |
| Limiting operating temperature | -35℃~80℃ |
| Communication interface | RS485 interface (baud rate 9600, 8, N, 1), effective transmission distance 1000m (external 150 Ω matching resistor is required for > 300m) ③ |
| Communication protocol | Standard Modbus-RTU protocol, function code 03H |
| Flow measurement radar frequency | 24GHz |
| Flow measurement antenna beam angle | Horizontal 12°, vertical 25° |
| Size | 100x100x38mm |
| weight | 0.55Kg(Excluding cables and brackets) |
Application Case
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FAQ
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Q: Are you trading company or manufacturer ?
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A: We are a manufacturer, committed to producing high accuracy, long-term stability, cost-efficient pressure/ level/ temperature measuring instruments.
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Q: What's your quality control system?
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A: All of our products are completed with inspection before shipment. And all of our products will be fully pre-inspection by QC departments before shipping to you . We have the certification of ISO, we could send the certification test of our company to you.
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Q: What is the warranty of your products?
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A: 2 years for level transmitter and pressure transmitter series others are 5 years from shipment date, for non-man-made damages.
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Q: What is your shipping method?
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A: Small orders are delivered with DHL, FedEx, TNT, UPS , EMS. Large orders are recommended to ship by sea.
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Q: Do you provide samples ?
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A: Yes,we have materials in stock to help you to get the samples as soon as we can.
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Q: How long will you give me the reply?
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A: We can support you 24Hours online service via email, skype, what'sapp, facebook etc within 1 hour.
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Contact Us
Contact Us
Add: Lianxiang Enterprise Center, No.11 Fenghuang Avenue, Canglong lsland, Jiangxia Distrlct, Wuhan City Hubei Province
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