Online Multiparameter Sondes for Water Quality Monitoring

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Fuzhou Probest Intelligent Technology Co., Ltd.

Fujian, China

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1. The type of host access sensor is not limited; DO, turbidity, chlorophyll, and blue-green algae sensors are digital sensors, and the interface can be used universally; but the PH, conductivity, ORP, and ammonia nitrogen-nitrogen ion electrode interfaces cannot be used. After all the connected sensors are factory-set, unless the DO, turbidity, chlorophyll, and blue-green algae sensors are added. Other parameters couldn't be changed.
2. One-piece multi-parameters can connect up to 4 analog electrodes that cannot be repeated. That is to say, PH, ORP, conductivity (EC), ammonia nitrogen, nitrate nitrogen, fluoride ion, chloride ion electrodes, no more than 4 could be selected
3. So it is better to be confirmed what sensors need to be connected when you select the type.
4. As to salinity, which is calculated by conductivity. (Salinity = 5.572×10^(-4)×Conductivity + 2.02×10^(-9)×Conductivity^2).

MP301 multi-parameter online analyzer: suitable for long-term on-line online monitoring, measuring up to 7 parameters simultaneously, including Temperature, Depth, pH, ORP, Conductivity & Salinity & TDS, Turbidity, DO, Chlorophyll, Blue-green algae, Ammonia nitrogen, Nitrate nitrogen, Chloride ions, Fluoride ions. Optional accessories such as Bluetooth module, battery pack, and handheld communicator are also available for easy portable measurement.
HDC-100A Communicator: In order to make the MP301 integrated multi-parameter analyzer complete data reading, parameter setting, and calibration of the analyzer without a PC, it can be applied to handheld and portable applications. On this occasion, the company has developed an HDC-100A handheld device for use with it. Built-in GPS receiver; with Bluetooth function; USB interface and data storage function; designed with an ergonomic curve, and rubber gasket, suitable for hand-held operation, easy to grasp in a wet environment.

Software Functions
Operation software of Windows interface has the function of settings, online monitoring, calibration, and Historical data download.
Convenient and efficient parameter settings.
Real-time data and curve display can help users intuitively obtain the data of measured water bodies.
Convenient and efficient calibration functions.
Intuitively and accurately understanding and tracking the parameters’ changes of the measured water bodies in a certain period through the Historical data download and curve display.

Standard Electrode Parameters

Depth (Pressure)	Principle	Pressure-sensitive Method
	Range	0-61m (Maximum withstand pressure depth: 30M）
	Resolution	2cm
	Accuracy	±0.3%
Temperature	Principle	Thermistor method
	Range	0℃~50℃
	Resolution	0.01℃
	Accuracy	±0.5℃
pH sensor	Principle	Glass electrode method
	Range	0-14 pH
	Resolution	0.01 pH
	Accuracy	±0.1 pH
ORP Sensor	Principle	Glass electrode method
	Range	-1000mV ~+1000mV
	Resolution	1mV
	Accuracy	±5mV
Conductivity sensor	Principle	A pair of platinum gauze electrode
	Range	1us/cm-2000 us/cm（K=1） 100us/cm-100ms/cm（K=10.0）
	Resolution	0.1us/cm~0.01ms/cm（Depending on the range）
	Accuracy	±3%
Turbidity sensor	Principle	Light scattering method
	Range	0-1000NTU
	Resolution	0.1NTU
	Accuracy	± 5% or 0.3NTU, whichever is greater
DO sensor	Principle	Fluorescence
	Range	0 -20 mg/L；0-20 ppm；0-200%
	Resolution	0.1%/0.01mg/l
	Accuracy	±3% or ±0.3 mg/L, whichever is greater

Chlorophyll sensor	Principle	Fluorescence
	Range	0-500 ug/L
	Resolution	0.01 ug/L~0.1 ug/L, Depending on range
	Accuracy	±5% of the signal level corresponding value of 1ppb Rhodamine WT Dye
Blue-green algae sensor	Principle	Fluorescence
	Range	200-300,000cells/mL
	Resolution	25cells/mL
	Accuracy	±10% of the signal level corresponding value of 1ppb Rhodamine WT Dye
Ammonia nitrogen Sensor	Principle	Ion selection
	Range	0.1~100mg/L-N
	Resolution	0.01mg/L-N
	Accuracy	±10% or ±2mg/L
Nitrate nitrogen Sensor	Principle	Ion selection
	Range	0.5~100mg/L-N
	Resolution	0.01mg/L-N
	Accuracy	±10% or ±2mg/L
Chloride Sensor	Principle	Ion selection
	Range	3~1000mg/L
	Resolution	0.01~1mg/L
	Accuracy	±10% or ±2mg/L
Fluoride Sensor	Principle	Ion selection
	Range	0.5~1000mg/L
	Resolution	0.01~1mg/L
	Accuracy	±10% or ±2mg/L

                                                            Power Supply
                                                            12VDC
                                                        
                                                            Display
                                                            3.5-inch color display screen with adjustable backlight
                                                        
                                                            Measuring Temperature
                                                            0~45℃   （non-freezing）
                                                        
                                                            Data storage
                                                            8G data storage space
                                                        
                                                            Power Dissipation
                                                            3W
                                                        
                                                            Material
                                                            ABS+PC
                                                        
                                                            Size
                                                            203*100*43mm
                                                        
                                                            Weight
                                                            0.5KG
                                                        
                                                            Power supply
                                                            Built-in battery power, battery specifications: 4 3.7V   rechargeable   lithium  battery
                                                        
                                                            Storage temperature
                                                            -15~60℃
                                                        
                                                            Operating temperature
                                                            0~50℃（Non-freezing）
                                                        
                                                            Protection level
                                                            IP67
                                                        
                                                            Storage Temperature
                                                            0~50℃  （non-freezing）
                                                        
                                                            Communication protocol
                                                            MODBUS  RS485
                                                        
                                                            Protection Class
                                                            IP68
                                                        
                                                            Size
                                                            Diameter 90*Length 640.5mm
                                                        
                                                            Weight
                                                            3KG
                                                        
                                                            Maximum withstand   pressure depth
                                                            30 M
                                                        
                                                            Battery capacity
                                                            8 sections, 8C, 3.6V lithium battery

Multi-Parameter water quality online monitoring of rivers, lakes, and reservoirs.
Water quality online monitoring of drinking water source.
Water quality online monitoring of groundwater.
Water quality online monitoring of seawater.

The host can flexibly set the sampling interval, optimize the working/sleep time, and reduce the overall power consumption. It can be applied to battery power, solar power, and mains power supply.
With built-in battery, optional battery to achieve battery power in a short time; purchase in your local market
The host can select the Bluetooth communication function to realize data transmission via Bluetooth
Optional handheld communicator, and Bluetooth wireless communication mode with the handheld communicator, data viewing, and calibration is convenient and can realize handheld applications
The host has LED lights to display the current running status of the host and the working status of the Bluetooth
The host has a data storage function, and the amount of stored data is 100,000
Standard Modbus-485 digital signal output can be connected with third-party data loggers or remote devices for integration and networking
The electrode can be replaced directly in the field, and the maintenance is simple and fast
An optional self-cleaning system allows the product to obtain accurate data for a long time
Sensor power supply positive and negative reverse connection protection
SensorRS485 A/B terminal is connected to power supply protection.

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