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01Temperature MeasurementTemperature measurement uses temperature sensors, thermocouples, RTDs and other instruments to accurately detect and monitor process temperatures. 02Level MeasurementLevel measurement uses ultrasonic level meters, radar level meters, and other instruments to detect and monitor the level or height of materials in tanks, vessels, and process equipment. 03Pressure MeasurementPressure measurement uses pressure transmitters, differential pressure transmitters, and other instruments to detect and monitor pressure and pressure changes in pipelines, tanks, and process equipment. 04Flow measurementFlow measurement uses electromagnetic, ultrasonic, vortex, and mass flow meters to detect and monitor the flow of liquids, gases, or steam in pipelines. 05DCSYokogawa DCS cards are core modules of a distributed control system, used to acquire field signals such as temperature, pressure, and flow, while providing control, output, and communication functions. 06Water Quality AnalysisWater quality analysis uses water quality analyzers and online monitoring instruments to detect and monitor key parameters such as pH, dissolved oxygen, turbidity, conductivity, and residual chlorine in water. MODELYOKOGAWA A2EE3A-TN | ESB Bus Adapter Connector UnitThe YOKOGAWA A2EE3A-TN ESB Bus Adapter is engineered for Yokogawa CENTUM VP system architecture to connect and terminate the ESB bus at ANT522 optical repeater slave modules. Built for secure terminal connection and signal stability, this component ensures seamless communication extension across industrial automation networks. MODELE+H Levelflex FMP56 Guided Wave Radar Level TransmitterDesigned for continuous level measurement of powdery to granular bulk solids in tall silos and storage vessels, this cost-effective guided wave radar transmitter remains unaffected by heavy dust, filling noise, or thermal stratification. Featuring a high-tensile rope probe capable of withstanding pulling forces up to 12 kN, it integrates HistoROM data management and optional Bluetooth functionality for safe and efficient operation. MODELE+H Proline Promass X 300 Coriolis Mass FlowmeterThe Endress+Hauser Proline Promass X 300 is a maximum-capacity Coriolis mass flowmeter engineered for high-volume measurement of crude oil, refined hydrocarbons, chemicals, and industrial gases up to 4,100 t/h. Featuring a patented four-tube sensor system and integrated Heartbeat Technology, it offers exceptional operational efficiency, minimal pressure drop, and custody-transfer precision for large-scale energy and industrial processing applications. MODELChongqing Chuanyi MS22PSB2D10B0060DMZ Magnetostrictive Level GaugeEngineered for ultimate reliability and high-accuracy fluid monitoring, the MS Series Magnetostrictive Liquid Level Transmitter delivers continuous, real-time measurements for total liquid level and interface positions in demanding industrial environments. Utilizing advanced magnetostrictive sensing technology, this versatile transmitter provides precise, non-contact signal processing with a measurement accuracy up to ±1mm, making it an ideal solution for critical process controls across chemical processing, oil and gas, power generation, and water treatment applications where long-term stability and explosion-proof durability are paramount. MODELE+H FMU30 Non-Contact Ultrasonic Level TransmitterThe Prosonic FMU30 Non-Contact Ultrasonic Level Transmitter provides highly accurate, maintenance-free continuous level and open-channel flow measurement for liquids, pastes, and coarse bulk solids across municipal and industrial applications. Featuring an integrated temperature sensor for automatic sound velocity compensation, a user-friendly 4-line plain text display with 32-point linearization, and a rugged IP68-rated weatherproof enclosure, this compact 2-wire transmitter delivers dependable real-time tank monitoring, pump control, and overflow protection in sewage treatment plants, process water storage, and chemical buffer tanks. MODELE+H Deltabar PMD55B High Precision Smart Differential Pressure TransmitterThe PMD55B High Precision Smart Differential Pressure Transmitter delivers exceptionally accurate differential pressure, flow, and hydrostatic level measurements for industrial liquids, gases, and steam. Featuring a robust metallic diaphragm, ultra-low long-term drift, optional wireless Bluetooth operation, and SIL2/3 functional safety certifications, this versatile instrument provides stable, error-free process monitoring across harsh chemical, oil, and water treatment environments. MODELE+H Waterpilot FMX11 Submersible Hydrostatic Level TransmitterThe Waterpilot FMX11 is a high-precision, heavy-duty submersible hydrostatic level transmitter engineered for continuous liquid level and depth monitoring in fresh water, groundwater wells, drinking water reservoirs, and surface water bodies. Featuring an ultra-compact 22mm stainless steel 316L housing, an integrated atmospheric pressure compensation tube with a protective Teflon filter, and international drinking water certifications, this compact dip cell sensor delivers exceptional long-term stability and precise 4–20 mA signal output even in narrow 1-inch pipes and demanding environmental conditions. MODELChongqing Chuanyi WZGPK-73DH-GB/1P2-AJ150G-M20XC6-AXX-I5/2AM20 Explosion-proof RTDThe WZGPK is a heavy-duty explosion-proof armored Pt100 RTD temperature sensor engineered for accurate thermal monitoring in hazardous industrial environments. Equipped with a high-precision Class A platinum sensing element, a 3-wire connection, a 6mm diameter sheath made of durable 321 stainless steel, and a 150mm insertion length, this flameproof sensor delivers exceptionally fast thermal response, vibration resistance, and long-term stability across a wide temperature range from -200°C to 600°C. Designed with an M20x1.5 process thread and an explosion-proof junction box, it provides reliable flameproof protection and continuous signal accuracy for chemical plants, oil refineries, and automated process control systems. MODELYokogawa ADV151-P50/D5A00 Digital Input Module ExstockEngineered for reliable industrial automation, the Yokogawa ADV151-P50/D5A00 Digital Input Module provides high-density 32-channel, 24 V DC isolated signal processing alongside dedicated connection adapters, ensuring optimal signal integrity, robust noise immunity, and seamless integration into distributed control systems (DCS). MODELYokogawa AAI143-H50 Analog Input Module ExstockThe Yokogawa AAI143-H50 is a high-performance 16-channel isolated analog input module designed for process automation systems, capable of handling 4 to 20 mA standard signal inputs with exceptional stability and accuracy. Supplied with its matching terminal block adapter, this module offers seamless integration, superior noise immunity, and reliable data acquisition for demanding industrial environments. MODELYokogawa S2CP471-01 Controller Module Spare Part ExstockThe Yokogawa S2CP471-01 Controller Module Spare Part provides reliable, real-time control performance and high-speed VNET/IP communication connectivity to optimize your industrial DCS automation system with seamless integration and reduced operational downtime. MODELChongqing Chuanyi PDS843MH-1CS11-D1DA Differential Pressure TransmitterThe PDS843 Smart Differential Pressure Transmitter is a high-performance industrial instrument engineered with advanced monocrystalline silicon composite sensor technology, delivering an exceptional accuracy of up to ±0.025% FS and long-term stability of ≤±0.1% FS over 10 years. Designed for rigorous process automation, it seamlessly measures differential pressure, flow, and liquid level across harsh environments in chemical processing, oil and gas, power generation, and water treatment plants. Supporting HART 7.0, PROFIBUS-PA, and FOUNDATION Fieldbus protocols along with global explosion-proof certifications (ATEX, IECEx, NEPSI, EAC, SIL2/3), the PDS843 provides reliable realtime diagnostics, local three-button LCD configuration, and robust surge protection to optimize your industrial control systems. SOLUTIONSmart water network monitoringCombine verified flow and pressure data for distribution monitoring and operational review. SOLUTIONHydrogen pressure measurementReview materials, pressure range and safety requirements for hydrogen process measurement. SOLUTIONProcess measurement selectionStart from the medium, operating window, installation and required signal before selecting an instrument.

Industry Focus

Water and wastewater

Distribution, treatment and discharge monitoring

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Aerial view of a water treatment facility with clarifiers, aeration basins, and wastewater processing systems

Water Treatment & Wastewater Process Instrumentation

Water and wastewater treatment systems depend on reliable process measurement to control flow, tank levels, pressure, temperature and water quality.

FUGUI Automation supplies industrial instrumentation for municipal water treatment, industrial wastewater treatment, sewage treatment, water recycling, pumping stations and related utility systems.

Instrumentation Applications in Water Treatment

Typical measurement points include:

  • Raw water intake
  • Pump stations
  • Filtration systems
  • Sedimentation tanks
  • Equalization tanks
  • Chemical dosing systems
  • Sludge treatment
  • Treated-water pipelines
  • RO and desalination systems
  • Reclaimed-water systems

Flow Measurement

Flow measurement is required throughout water and wastewater plants.

Electromagnetic flow meters are commonly considered for conductive water and wastewater because the measurement principle does not require mechanical moving parts.

Typical applications include:

  • Raw water
  • Drinking water
  • Process water
  • Wastewater
  • Sludge-related applications
  • Chemical dosing
  • Reclaimed water

Selection should consider pipe diameter, flow velocity, conductivity, temperature, pressure and the characteristics of suspended solids.

Level Measurement

Level instruments can monitor:

  • Raw-water tanks
  • Equalization tanks
  • Chemical tanks
  • Sedimentation basins
  • Sludge tanks
  • Clear-water tanks
  • Storage tanks

Radar and ultrasonic level instruments can provide non-contact measurement where the process conditions are suitable.

For wastewater applications, foam, vapor, turbulence and surface conditions should be considered during selection.

Pressure and Differential Pressure Measurement

Pressure transmitters can monitor pump discharge and pipeline pressure.

Differential pressure transmitters can be applied to:

  • Filters
  • Membrane systems
  • Pressure-loss monitoring
  • Pump systems
  • Process equipment

Water Quality Measurement

Water treatment processes may require monitoring of:

  • pH
  • ORP
  • Conductivity
  • Dissolved oxygen
  • Turbidity
  • Chlorine
  • Temperature

The required parameters depend on the treatment process and water chemistry.

RO and Desalination Instrumentation

Reverse osmosis and desalination systems require measurement of pressure, flow and water quality at different stages.

Typical points include:

  • Feed water
  • High-pressure pump discharge
  • Membrane inlet
  • Permeate
  • Concentrate
  • Pretreatment systems

Instrument Selection Checklist

Provide:

ParameterExample
MediumRaw water / wastewater / chemical
Pipe sizeDN50, DN100, etc.
FlowMinimum / normal / maximum
PressureOperating pressure
TemperatureOperating range
ConductivityμS/cm or mS/cm
Tank heightIf level measurement
Output4-20 mA / pulse / Modbus
ConnectionFlange / thread
InstallationCompact / remote

FUGUI Water Treatment Instrumentation

Our product range includes:

  • Electromagnetic flow meters
  • Ultrasonic flow meters
  • Radar level transmitters
  • Ultrasonic level transmitters
  • Pressure transmitters
  • Differential pressure transmitters
  • Temperature sensors
  • pH sensors
  • Conductivity sensors
  • ORP sensors
  • Water quality analyzers

Related Products

Electromagnetic Flow Meters
Level Measurement Instruments
Pressure Transmitters
Water Quality Sensors

FAQ

What flow meter is commonly used for wastewater?

For conductive wastewater, electromagnetic flow meters are frequently considered. The final selection should be based on the actual medium, conductivity, solids content, flow range and installation conditions.

Can you supply instruments for large-diameter water pipelines?

Yes. Pipe size and installation configuration should be provided so the appropriate meter configuration can be selected.

Can you quote from a water treatment instrument list?

Yes. Send your instrument list, P&ID or datasheets for technical and commercial review.

Request a Water Treatment Instrumentation Quote

Send your pipe size, flow range, medium and process conditions, or send the existing instrument model.

FUGUI Automation supports water and wastewater treatment instrumentation projects worldwide.

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