Online Water Quality Monitoring | RS485 / Modbus Sensors | IP68 Field Instruments
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Water Quality Monitoring Analyzers

AARVI ENVIRO TECH offers online water quality sensors, analyzers, controllers, and monitoring systems for ETP, STP, rivers, lakes, groundwater, aquaculture, wastewater, and industrial process applications.

Online COD Sensor

DS500 Online COD Sensor

Reagent-free UV254 COD sensor with turbidity compensation and online continuous monitoring.

COD/BOD/TSS/TOCRS485 ModbusSelf-cleaning
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Online BOD Sensor

DS500-B Online BOD Sensor

Environmental protection type BOD sensor for tap water, ETP, STP outlet, natural waters, and industrial process control.

UV2540-5000 mg/LIP68
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Online TOC Sensor

DS500-C Online TOC Sensor

TOC and temperature monitoring with automatic compensation for optical path attenuation and turbidity effects.

TOC/TSS12VDCSS316/Titanium
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Ammonia Nitrogen Sensor

DSN260 Online NH4-N Ammonia Nitrogen Sensor

Online ammonia nitrogen monitoring for lakes, streams, groundwater, and wastewater with pH and temperature compensation.

0-1000 mg/LIP68MODBUS
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PAHs Sensor

DS810 PAHs Sensor

UV fluorescence PAHs sensor for trace aromatic hydrocarbon monitoring in drinking water, cooling water, and marine applications.

0-1000 ppbFluorescenceSS316/Titanium
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Self-cleaning Color Sensor

DS660 Self-cleaning Color Sensor

Online color sensor using optical absorption measurement with automatic brush cleaning and turbidity compensation.

0-500 HazeIP68RS485
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Online Nitrate Sensor

DSX260 Online Nitrate Sensor

Reagent-free nitrate sensor with pH and temperature compensation for real-time online monitoring.

0-800 mg/LSubmersiblePOM Body
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Oil in Water Sensor

DS530 Online Oil in Water Sensor

UV fluorescence oil-in-water sensor for industrial circulating water, condensate, wastewater treatment, and surface water stations.

Early warningSelf-cleaningMODBUS
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Fluorescence Dissolved Oxygen Sensor

DS380 Fluorescence Dissolved Oxygen Sensor

Optical dissolved oxygen sensor for online water monitoring with low maintenance and stable long-term operation.

Optical DOIP68RS485
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Portable Dissolved Oxygen Meter

DYS-1 Portable Dissolved Oxygen Meter

Portable DO meter for field inspection, aquaculture, water treatment, and on-site water quality checks.

PortableField useDO Meter
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TSS Sensor

DST435 Online Total Suspended Solids Sensor

Online TSS sensor for suspended solids monitoring in wastewater, treatment plants, and process streams.

TSSOnlineIP68
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Turbidity Sensor

DS410 Fiber Optic Turbidity Sensor

Fiber optic 90-degree scattered light turbidity sensor with strong anti-interference performance.

0-1000 NTUFiber opticSelf-cleaning option
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Chlorophyll Sensor

DS430 Fiber Optic Chlorophyll Sensor

Fluorescence chlorophyll-a monitoring for seawater, river water, drinking water, and wastewater applications.

0-400 ug/LFluorescenceMODBUS
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MLSS Sensor

DSS450 Online Sludge Concentration MLSS Sensor

135-degree back light MLSS sensor for sludge concentration measurement with automatic cleaning support.

MLSS3-9999 mg/LOptical fiber
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Multi-parameter Water Quality Sensor

D2100 Online Multi-parameter Water Quality Sensor

All-in-one sonde supporting up to 8 digital sensors and 9 parameters for rivers, lakes, oceans, and groundwater.

Multi-parameterAuto-cleaning24VDC
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TDS Salinity Conductivity Sensor

TDS, Salinity & Conductivity Sensors

DS285 TDS, DS280 salinity, and DS480 conductivity sensors with four-electrode technology and temperature compensation.

Wide rangeNo polarizationRS485
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Blue-green Algae Sensor

DS206 Online Blue-green Algae Sensor

Fluorescence sensor for cyanobacteria detection with automatic cleaning for long-term online monitoring.

0-270,000 cells/mLFluorescenceIP68
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pH and ORP Sensors

DS510 pH & DS525 ORP Sensors

Digital pH and ORP sensors with built-in temperature support for online long-term monitoring environments.

pH 0-14ORP -999 to 999mVMODBUS
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Industrial Controller

DSMC5100 Industry Controller

Intelligent online controller with automatic sensor recognition, display, alarms, 4-20mA output, and RS485 communication.

1-4 sensorsRelay alarmsPanel mount
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