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Shandong Hengmei Electronic Technology Co., Ltd
Radar rainfall and water level monitoring station
NegotiableUpdate on 02/18
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Overview
Product Details Radar Rainfall and Water Level Monitoring Station Product Introduction: HM-SW2 Online Automatic Radar Water Level and Rainfall Monitoring System is a high-precision surface water level measurement and rainfall monitoring system with water surface fluctuation filtering processing
Product Details
product details
Radar rainfallwater levelMonitoring station
Product Introduction:
The HM-SW2 online automatic radar water level and rainfall monitoring system is a high-precision surface water level measurement and rainfall monitoring system with water surface fluctuation filtering processing. It adopts a horn antenna design, reduces power consumption, and has a wide range of input voltages. It is specifically designed for unmanned field automatic station applications, measuring without being affected by atmospheric temperature, pressure, air density, wind, precipitation, and relative humidity, and has extremely high stability. Low power consumption and maintenance free design. The product has flexible working mode configuration.
The superiority of radar measurement principle makes it suitable for the following working environments: water level monitoring of lakes, rivers, reservoirs, open channels, wetlands, tidal water levels, water level monitoring where water quality is prone to change, ditches containing a large amount of floating debris and sediment, places producing a large amount of aquatic plants, solar power supply, remote field work, and areas prone to flash floods.
Basic principle:
The radar pulse is emitted from the radar water level sensor antenna, which receives the reflected pulse from the water surface and records the time (T). Since the propagation speed of electromagnetic waves (C) is a constant, the distance to the water surface (D) can be obtained. The time it takes for electromagnetic waves to be emitted and received is directly proportional to the distance to the water surface, converting nanosecond level time measurements into millisecond level time measurements, greatly improving measurement accuracy.
Measurements are taken 55 times per second, followed by digital filtering to minimize the impact of water waves on the measurement results. The measurement results are equivalent to static water level measurements.
Characteristics of monitoring platform
1. Can store and query historical data; Can save historical data for more than 5 years,
2. The data collection cycle can be set by oneself, either once per minute or once every 10 minutes, as needed
3. The query results can be converted into tables, curve charts, and bar charts;
4. Simultaneously equipped with data import and export functions (Excel);
5. At the same time, it can display multi-point water level record data and wirelessly transmit data nationwide.
Function Introduction of HM-SW2 Online Automatic Radar Water Level and Rainfall Monitoring System:
The water level acquisition instrument has functions such as water level and rainfall data acquisition, real-time clock, timed storage, parameter setting, parameter historical data power-off protection, etc
Standard RS232/485 communication function, supporting MODBUS communication protocol, 4G wireless remote communication method and monitoring platform to form a monitoring system.
There are multiple power supply methods for power systems, including mains, DC, and solar systems.
Characteristics of HM-SW2 Online Automatic Radar Water Level and Rainfall Monitoring System
Reliable operation in various harsh outdoor environments, low power consumption, high stability, high precision, and can be unmanned.
Complete lightning protection, anti-interference and other protective measures.
Both hardware and software adopt modular open design, which can be flexibly combined and used.
The communication method can be selected as needed.
Adopting a field protection box, it has a beautiful appearance, corrosion resistance, and anti-interference.
Characteristics of HM-SW2 Online Automatic Radar Water Level and Rainfall Monitoring System
Not affected by atmospheric temperature, pressure, air density, wind, rainfall, and relative humidity;
Not affected by pollutants and sediments in water;
Not affected by changes in water quality;
No need for anti wave wells, no impact on water flow;
The measurement accuracy can reach millimeter level;
The measurement range can reach 30 meters;
Continuous online collection, powered by solar energy;
Non contact measurement method, not affected by floating debris;
Low maintenance cost, simple installation and maintenance, long lifespan;
Main technical parameters of HM-SW2 online automatic radar water level and rainfall monitoring system:
Range: 30m;
Measurement accuracy:± 1-2mm；
Antenna material: Stainless steel 316L horn/PTFE oscillator;
Antenna structure: conical oscillator;
Frequency range: 26GHz;
Signal output: RS485/MODBUS protocol;
Power supply: (6-26) V DC
Process connection: G1/2 thread or 11/2NPT
Medium temperature:- 40-120℃
Process pressure:- 1.0-3bar
Repeatability:& plusmn; 2mm
Accuracy:< 0.1%
Frequency range: 26GHz
Explosion proof/protection level: Exia II CT6/IP67
There are 5 types of radar water level scoring, namely: measurable distance of 30 meters, measurable distance of 25 meters, measurable distance of 15 meters, measurable distance of 10 meters, and measurable distance of 5 meters.
after-sale service
Service and after-sales introduction
Our company provides a two-year free warranty service for the entire machine; Within two years, all accessories will only be replaced without repair, and lifelong whole machine maintenance will be provided. Within five years, cost price accessories will be provided. After receiving the repair notice, our company should promptly dispatch technical personnel for maintenance.
Service and after-sales include:
1. Free product transportation to the customer's designated location.
2. Product installation. Each device is provided with one installation and debugging.
3. Two year warranty for the product.
4. Customer use and maintenance.
5. Discounted warranty outside the warranty period.
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