I. Product overview
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This product is equipped with integrated temperature, water level, and conductivity acquisition in the measuring instrument and is stable and precise
- High degree of accuracy, low power consumption, small size, full-featured pressure-type hydrological water quality measurement instrument; the product uses high-precision
- Highly stable pressure sensors are used as pressure sensing elements, and the output data is corrected by internal intelligent linear correction and temperature control.
- The degree of compensation is good, meeting the user’s needs for high precision and high stability of the product.
- This product adopts RS485 digital output mode, which can simultaneously detect water level, water temperature, conductivity, and other kinds of
- Parameters, uses the standard MODBUS-RTU communication protocol, and has good compatibility, convenient for users of large-scale module networks.
This product has the following features.
- High accuracy: water level accuracy up to 0.05% F. S, resolution up to 1mm.
- Full-featured: real-time monitoring of water level, water temperature, and conductivity at the same time
- Low power consumption: intelligent power management design
- Compact size: one-piece design structure
- Transmission distance: RS485 digital output, transmission distance up to 1.2Km
- Networkable: Standard MODBUS-RTU protocol, supports network multi-point and addressable operation.
- Anti-jamming: integrated anti-reverse connection, anti-overvoltage circuit, and anti-jamming processing circuits
II. Areas of application
This product comprehensively realises the real-time monitoring and recording of hydrological and water quality parameters such as water level, water temperature, and conductivity.
The product can be widely used in groundwater monitoring, reservoirs, and other areas with its unique features of high precision, multi-functionality, and micro-power consumption.
Surface runoff water level monitoring, tank level monitoring, and many other occasions.
The main applications of this product:
➢Groundwater quality and level data monitoring
➢Real-time monitoring of water quality and water levels in dams and reservoirs
• Lake and surface runoff water quality and water level monitoring
➢Unmanned water quality and hydrological monitoring stations
➢Real-time monitoring of water quality and liquid level in tanks
➢Industrial control system on-site liquid level and water quality monitoring
III. Structure and working principle
1. Physical Dimensions
Wooden products adopt a body-design structure; each component is indirectly connected to the head, which is convenient and reliable, easy to disassemble, and easy to
Product installation and adjustment, use, and maintenance.
Fig. 1 Outline drawing of the product
2、Working Principle
The product adopts hydro-static level measurement principle, the central processing unit real-time acquisition or timed acquisition of pressure sensors, temperature sensors, and the use of complex algorithms within the pressure sensor data for linear correction and temperature compensation: the system adopts all the sensors for the high stability, high-precision sensors, to fundamentally ensure the stability and accuracy of the product: the product for the RS485 digital output interface, the data protocol for the Standard MODBUS-RTU protocol, support for networking.
This product has internal integration of anti-reverse connection, anti-overload and anti-interference processing circuits to ensure that the product works reliably in harsh environments.
IV. Main technical parameters
1、Water level measurement accuracy: 0.05%FS (0~50℃).
2、Range: 10m, 20m, 40m, 80m or customized.
3、Power supply voltage: 12~30VDC
4、Operating current: 30mA
5、Temperature compensation range: 0~50℃.
6、Operating temperature: -10~70 ℃.
7、Communication mode: RS485 interface MODBUS RTU protocol.
8 、 Temperature measurement accuracy: earth 0.1 ℃.
9. Temperature measurement resolution: 0. 01 ℃.
10、Measuring range of conductivity: 0~ 40mS/cm
11. Conductivity measurement accuracy: 1.5%F. S
12. Protection level: IP68