Drainage network liquid level conductivity monitor HD-LEW120

Product Introduction

HD-LEW120 series drainage network level conductivity monitor, is the sensor, RTU, communication, power supply system, etc. integrated together, with high-performance low-power micro-controller as the core, with multiple sensor interfaces and multi-channel reporting function, is the collection of data acquisition, storage, communication and remote management and other functions in one of the intelligent telemetry digital sensors. The product adopts high-performance industrial-grade 32-bit communication processor and industrial-grade wireless module, with embedded real-time operating system as the software support platform, regularly collects the water level and transmits the information to the platform, which can satisfy the needs of various different industry applications.
Drainage pipe network level conductivity monitor, integrated conductivity sensor and pressure level sensor, can be through the 4G/GPRS and other means of network communication, especially suitable for no utility power supply conditions, waterproof requirements of the monitoring site, mainly used in rainwater outfall monitoring, rainwater pipe network monitoring, sewage network monitoring and other monitoring scenarios.

Functional characteristics

※ Integration of conductivity sensor, pressure type water level sensor, RTU, shell, battery, to realize water level and conductivity measurement, data storage and transmission functions.
※ Two sensors integrated measurement, identify whether there is sewage smuggling phenomenon, found abnormal timely alarm.
※ 4G (full network) remote communication, backward compatible with 3G/2G.
※ Abnormal automatic warning, timely detection of accidents and hidden dangers.
※ The working mode supports two modes: timed wake-up and real-time online.
※ Wide temperature design, high and low temperature resistance, strong electromagnetic interference resistance. Wide temperature design, high and low temperature resistance, strong electromagnetic interference resistance, applicable to a variety of harsh sites.
※ Provides FLASH data storage space, adopts complete system protection mechanism and anti-drop mechanism to ensure that the terminal is always online.
※ Supports a variety of operating modes (including self-reporting, query, etc.), minimizing power consumption.
※ Configuration mode: serial port configuration, Bluetooth configuration, remote configuration.

Technical Parameters

Conductivity sensor parameters

Measurement rang：0~5000uS/cm，0~200mS/cm

Resolution：1uS/cm，0.1mS/cm

Measurement accuracy：±1.5%F.S.

Output signal：RS485 (standard Modbus- RTU protocol)

Protection class：IP68

Parameters of Pressure Level Gauge

Range：0~10m

Accuracy：0.1%FS

Output Signal：RS485 (standard Modbus- RTU protocol)

Cable length：10m

Protection class：1P68

Parameters of Pipe Network Monitoring Mainframe

Communication mode：4G/GPRS

Setting mode：Serial setting, remote setting

Waterproof grade：IP68

Working Mode：Self-annunciation, idle sleep, wake-up timer

Battery Type：Lithium-ion battery

CPU：32-bit processor, running frequency 100MHZ

Dimension：170D×175H