Water Quality Monitor

Model：FT-QSZ2

Brand：fengtu

Water Quality Monitor samples the water source and analyzes it in real time. It is usually used in various situations where water quality needs to be monitored....

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1、Water Quality Monitor Product Introduction

1. Overview

Water Quality Monitor samples the water source and analyzes it in real time. It is usually used in various situations where water quality needs to be monitored.Water Quality Monitor is a water quality monitoring micro-system based on Internet of Things (IoT) technology. It consists of a flow stabilization and venting unit, an analysis and testing unit, a system control unit, and a remote communication unit, possessing comprehensive power supply, lightning protection, and network communication functions.

2. Product Positioning

Water Quality Monitor features automatic monitoring capabilities. This integrated, extractive micro-water quality automatic monitoring station primarily monitors: pH, temperature, turbidity, conductivity, dissolved oxygen, COD, ammonia nitrogen, and suspended solids. It employs highly integrated technology, achieving automatic water quality monitoring within a single cabinet.

Water Quality Monitor can be widely used for online water quality monitoring in rivers, urban or rural waterworks, water supply networks, secondary water supply systems, end-user systems, indoor swimming pools, large-scale water purification equipment, and direct drinking water systems. It is an indispensable online analysis device in water plant process control, water conservancy and water affairs management, and health supervision.

3. Functions and Features

· GPRS/4G network connectivity

· Supports extended RJ45 network connectivity

· Supports extended sensor remote transmission

· Supports 7.0-inch LED screen display and touch control screen

· Supports extended Android screen display and storage

· Extended Android screen supports 2G data storage and USB flash drive data export

· Complementary IoT data display, storage, and analysis platform

· Platform supports multiple protocol data forwarding, including TCP short connections and HTTP.

2、System Composition

The water quality monitoring microsystem consists of a power supply unit, a pump control unit, an analysis and testing unit, a display unit, a pump unit, a remote communication unit, and an integrated box main unit.

1. Power Supply Unit

200W photovoltaic panel, photovoltaic controller, 12V/100Ah battery, DC contactor (DC12V)

Power inverter (DC12V to AC220V)

2. Pump Control Unit

Intelligent self-priming pump, maximum head: 25m, open flow rate: 1.8m³/h

3. Analysis and Testing Unit

The analysis and testing unit mainly consists of pH, dissolved oxygen, conductivity, turbidity, ORP, and temperature sensors. These sensors are fixed to the flow cell via threads or tight-fitting fasteners. The main parameters of the sensors are as follows:

Serial number	Name	Measurement Range	Measurement Principle	Measurement accuracy	Is it standard?	Notes
1	Temperature	0~85℃	High-precision digital sensor	±0.1℃
2	pH	0~14 (pH)	Electrochemistry (Salt Bridge)	±0.1PH		±0.1℃
3	ORP	-1500mv~1500mv	Electrochemistry (Salt Bridge)	±6mv
4	Conductivity	0~10000 uS/cm	Contact electrode method	±1.5%
5	Turbidity	0~1000NTU	Light scattering method	±1%		±0.3℃
6	Dissolved oxygen	0~20mg/L	Fluorescence lifetime method	±2%		±0.3℃
7	Ammonia nitrogen	0~1000mg/l	Ion-selective electrode method	10% of the reading, ±0.5℃		Ammonia Nitrogen pH Integrated
7	pH	0~14 (pH)	Electrochemistry (Salt Bridge)	±0.1PH, ±0.1℃		Ammonia Nitrogen pH Integrated
8	cod	0~1000mg/L	UV254 Absorption Method	±5%, ±0.3℃		Cod turbidity integrated; equipped with an automatic cleaner to prevent biofouling and avoid optical window contamination, ensuring long-term monitoring remains stable; automatic cleaning time and frequency can be set, power consumption is 0.7W.
8	Turbidity	0~400NTU	Light scattering method	±1%, ±0.3℃
9	Suspended matter	0~2000mg/L	Light scattering method	±5% (depending on sludge homogeneity)
10	Chlorophyll	0~400ug/L	Fluorescence method	R2>0.999		Equipped with an automatic cleaner to prevent biofouling and avoid light window contamination, ensuring long-term monitoring remains stable; the automatic cleaning time and frequency can be set, with a power consumption of 0.7W.

Note: The sensor must not be installed upside down or horizontally; it must be installed at an angle of at least 15 degrees. The above water quality sensor operates in an environment of 0-50℃ and <0.3Mpa.

4. Display Unit

Multi-parameter monitor, installed at the cabinet door, performs data acquisition, analysis, display, communication, and data storage operations.

· Android version: 4.4.2 · CPU: Quad-core Cortex™-A7 · RAM/ROM: 512M/4G · Screen: 7-inch capacitive touchscreen · Power supply: 12V/1A · Supports USB flash drive expansion and memory card expansion

5. Equipment Box Main Unit

Installation method	Cabinet floor-standing installation, base.
External dimensions	1684mm560mm510mm 50-100mm adjustable
Casing material	201 stainless steel.
Protection rating	IP54
Power supply	Solar Photovoltaic Power Supply System 200W/12V/100aH Water Pump AC220V
Inlet	4-inch PE pipe
Outflow	6-inch water purifier PE pipe
Outfall	3-minute water purifier hose, (can also be manually drained periodically)
Self-priming pump	Motor power: 250W
	Rated voltage: AC220V/50hz
	Water pump size 210145245/mm
	Maximum suction range: less than 5 meters
	Flow rate: Peak 10 m3/h