

KH.WTU-V 4G Solar Telemetry RTU for Remote Environmental Monitoring
Solar-Powered 4G Wireless Data Logger & Remote Telemetry Terminal for Hydrology, Flood Warning, and Smart Agriculture IoT Systems
Product Introduction (pdf)
Product Introduction
The KH.WTU-V 4G Solar Telemetry RTU is an integrated remote monitoring terminal designed for hydrological stations, flood early warning systems, smart agriculture, irrigation networks, and environmental IoT applications.
Combining data acquisition, 4G wireless communication, solar power management, and remote telemetry functions in one compact device, the KH.WTU-V enables real-time transmission of field monitoring data from remote and unattended locations.
The RTU supports connection with various environmental monitoring devices, including:
- Water level sensors for rivers, reservoirs, and dams
- Flow monitoring instruments for hydrological stations
- Rainfall and meteorological sensors
- Soil moisture sensors for smart agriculture
- Water quality monitoring devices
Through integration with IoT platforms, SCADA systems, and cloud-based monitoring platforms, the KH.WTU-V provides reliable remote data transmission and centralized management for water resources, agriculture, and environmental monitoring projects.
With solar power supply, low-power operation, and outdoor protection design, the KH.WTU-V is ideal for long-term deployment in remote areas without stable power infrastructure.
Key Features
Integrated 4G Remote Telemetry Solution
Combines RTU data acquisition, 4G wireless communication, power management, and remote monitoring functions into a single device, simplifying field deployment.
Multi-Device Sensor Integration
Supports connection with various monitoring equipment through standard communication interfaces, enabling flexible configuration for different applications.
Solar-Powered Off-Grid Operation
Designed for remote field environments with solar charging management, battery monitoring, and intelligent power control for continuous operation.
Low Power Consumption Design
Optimized for unattended monitoring stations, reducing maintenance frequency and extending operational time in remote locations.
Reliable Outdoor Protection
Rugged enclosure design with protection against outdoor environmental conditions, suitable for rivers, reservoirs, irrigation fields, and agricultural areas.
Lightning & Surge Protection
Built-in protection design improves system stability during thunderstorms and harsh weather conditions.
IoT & SCADA Integration Ready
Supports connection with:
- IoT monitoring platforms
- SCADA systems
- Cloud-based data platforms
- Remote telemetry networks
Application Scenarios
River & Reservoir Hydrological Monitoring
Provides remote data transmission for water level monitoring, reservoir management, and water resource observation.
Flood Early Warning Systems
Supports mountain flood, flash flood, and urban waterlogging monitoring networks with real-time remote telemetry.
Irrigation District & Smart Agriculture
Enables remote monitoring of soil moisture, rainfall, weather conditions, and agricultural environmental data for precision irrigation management.
Environmental Monitoring Networks
Integrated into hydrological, meteorological, and ecological observation systems for long-term field data collection.
Water Infrastructure Monitoring
Supports monitoring applications for pumping stations, sluice gates, hydropower facilities, and other water management infrastructure.
Remote Meteorological Stations
Provides reliable communication and power management for weather stations and environmental monitoring sites.
Technical Parameters
| Parameter | Specification |
|---|---|
| Supply Voltage | 10–30 VDC |
| Multiplexing Interface | 1 channel (configurable RS485 / RS232) |
| Static Power Consumption | ≤1 mA (basic type, 12 V power supply) |
| Working Current | ≤6.5 mA (basic type, 12 V power supply) |
| RF Operating Frequency | 433 MHz (visible transmission distance up to 3 km) |
| Gray Code Input | 14-bit |
| Analog Input | 2 channels (4–20 mA) |
| Analog Acquisition Accuracy | 0.1% FS |
| Switch Input | 2 channels (low level valid) |
| Switching Output | 2 channels (12 V / 500 mA driving capability) |
| RS485 Interface | 2 channels (for digital sensors) |
| RS232 Interface | 2 channels |
| Clock Accuracy | Better than ±1 s/day |
| Operating Temperature | -45 to +70 ℃ |
| Storage Temperature | -45 to +80 ℃ |
| Ambient Humidity | <98% RH |
| MTBF | ≥50,000 hours |

