• Water Quality Testing & Monitoring Manufacturer

    Reliable Water Analysis Solutions for Industrial and Environmental Applications.

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  • Water Quality Testing & Monitoring Manufacturer

    Over 20 years of expertise in delivering high-precision sensing solutions for global water challenges.

    Get Instant Quote
Delfino

We Specialize in Manufacture & Supply Professional Water Quality Instruments.

Our Products

Professional Water Quality Testing and Production

At present, our products cover many technical fields, including electrochemistry, optics, and acoustics. The main products include pH/ORP, dissolved oxygen, conductivity, turbidity, suspended solids, chlorophyll, blue-green algae, residual chlorine, COD, ammonia nitrogen, temperature and pressure, electromagnetic flow, radar, and ultrasonic level analysis instruments.

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Featured Products

Innovation & Technology

Advanced Manufacturing

Explore Our Products

Discover our diverse range of water quality solutions, featuring our latest innovations and high-value options for every budget.

Measured Parameters

Products for Every Applications

Leveraging decades of industry expertise to provide reliable, field-proven water quality monitoring for your most demanding applications.

  • Water & Wastewater
  • Agriculture & Hydroponics
  • Aquaculture
  • Electroplating
  • Energy & Power Generation
  • Food & Beverage
  • Iron & Steel
  • Metals & Mining
  • Oil & Gas
  • Pulp & Paper
  • Pharma & Medical
  • Semiconductors & Electronics

Suggested Products

  • Multiparameter Controller MCC 500
  • pH Sensor DPH790
  • Conductivity Sensor DEC790
  • Dissolved Oxygen Sensor OPD790

Benefit

We deliver proven monitoring solutions for industrial wastewater, backed by extensive experience in handling hazardous waste and complex processes. By providing stable, real-time data in demanding environments, we help facilities ensure discharge compliance, optimize chemical usage, and reduce operational risks.

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Suggested Products

  • pH/ORP Controller & Transmitter APX1-C1
  • pH Sensor ASP400
  • Conductivity Controller & Transmitter AEC1-T1
  • Conductivity Sensor ASC300-T

Benefit

Our specialized monitoring solutions are designed to optimize nutrient delivery and crop yield in hydroponic and greenhouse environments. By providing precision control over pH, EC, and ion concentrations, we help growers maintain the perfect balance for plant uptake while preventing nutrient waste.

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Suggested Products

  • NH4-N sensor NH351
  • pH Sensor DPH790
  • Dissolved Oxygen Sensor OPD790
  • Conductivity Sensor DEC360

Benefit

Designed for continuous measurement of dissolved oxygen, pH, and other key water quality parameters in aquaculture systems, our online sensors provide stable and accurate real-time data. They help you maintain optimal water conditions, reduce operational risk, and improve productivity with reliable, low-maintenance monitoring.

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Suggested Products

  • pH/ORP Controller & Transmitter APX1-C2
  • pH Sensor ASP120E
  • Turbidity Sensor OPTU850H
  • COD Sensor COD351L

Benefit

Our robust monitoring systems are engineered to perform reliably in the highly corrosive environments of electroplating and surface finishing, tracking critical ions and pH levels to ensure optimal bath chemistry and prevent defective plating. The IP66 design resists chemical vapors, reducing downtime and ensuring production.

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Suggested Products

  • pH/ORP Controller & Transmitter APX2-C3
  • Conductivity Sensor ASC-K-0.01
  • pH Sensor ASP123E
  • Turbidity Sensor OPTU850H

Benefit

Checking the accuracy of boiler feedwater and steam cycles stops small amounts of silica or sodium from damaging turbine blades. High-stability monitoring of ion exchange processes and cooling tower blowdown minimizes scaling risks and optimizes water reuse. These digital solutions protect important heat transfer efficiency and maintain the strength of power equipment.

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Suggested Products

  • pH/ORP Controller & Transmitter APX2-C3
  • pH Sensor ASP100E-YS
  • Turbidity Sensor OLTU600
  • Conductivity Sensor ASC-HK-0.01

Benefit

Advanced monitoring ensures product consistency and food safety by precisely controlling pH and conductivity during CIP (Clean-in-Place) processes. Real-time digital tracking eliminates contamination risks and reduces water consumption, meeting stringent global hygiene standards.

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Suggested Products

  • Ion Controller & Transmitter APIS2
  • pH Sensor ASP400
  • Ion Sensor ASP-X4130
  • Conductivity Sensor ASC300-T

Benefit

Online sensors track silica and hardness to prevent scaling in high-pressure boilers and cooling staves. Integrated digital controllers automate blowdown and chemical dosing, extending asset life while reducing water consumption in harsh smelting environments.

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Suggested Products

  • Multiparameter Controller MCC200-A4
  • pH Sensor DPH790
  • Dissolved Oxygen Sensor OPD790
  • TSS Sensor OPSS301

Benefit

Rugged sensors provide real-time ion analysis to optimize mineral flotation and manage cyanide levels in gold processing. Automated monitoring ensures safety in tailings water treatment while maximizing metal recovery rates in harsh, remote environments.

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Suggested Products

  • pH Sensor ASP400
  • Dissolved Oxygen Sensor OPD790
  • Oil-in-Water Sensor OWA361
  • Oil-in-Water Sensor OWA351

Benefit

Intelligent analyzers monitor chloride and sulfide levels in produced water and refinery desalter wash to prevent equipment corrosion. Real-time digital tracking ensures environmental compliance and optimizes wastewater injection, maintaining operational uptime in explosive and high-pressure environments.

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Suggested Products

  • pH/ORP Controller & Transmitter APX1-C2
  • pH Sensor ASP400
  • Conductivity Sensor ASC300-T
  • Turbidity Sensor OLTU600

Benefit

Digital sensors track conductivity and pH in white water loops to minimize fiber loss and chemical over-dosing. Real-time monitoring of residual chlorine in bleaching stages prevents pulp degradation, ensuring high-brightness quality and environmental compliance in closed-loop systems.

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Suggested Products

  • Conductivity Sensor ASC-HK-0.01
  • Turbidity Sensor OLTU600
  • Chlorine Sensor CL4.2-1
  • pH Sensor ASP121E

Benefit

Analytical sensors track conductivity and TOC in purified water systems to guarantee compliance with global pharmacopeia standards. Digital data logging eliminates manual errors in fermentation and sterilization cycles, securing sterile integrity and full batch traceability.

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Suggested Products

  • Ion Sensor ASP-X4110
  • pH Sensor ASP124E
  • Conductivity Sensor ASC-K-0.01
  • Turbidity Sensor OLTU600

Benefit

Designed for continuous measurement of dissolved oxygen, pH, and other key water quality parameters in aquaculture systems, our online sensors provide stable and accurate real-time data. They help you maintain optimal water conditions, reduce operational risk, and improve productivity with reliable, low-maintenance monitoring.

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Looking for Water Quality Analysis Solutions?

Online sensors and analyzers designed for accurate, real-time water quality testing across diverse applications.

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Why Do Global Customers Choose Delfino?

Our mission is to focus on the R&D and manufacturing of analytical instruments; our corporate philosophy is to create value for our customers.

  • Real Factory

    We manufacture, develop, and install our products ourselves, allowing us to offer you the most competitive prices.

  • 10+ Years of Expertise

    Founded in 2015, the brand has established mature manufacturing systems and reliable production and service capabilities.

  • Quality Assurance

    Equipped with complete production, calibration, and testing facilities to ensure consistent performance and quality control.

  • Global Partners

    Partnerships with hundreds of clients worldwide: we have accumulated cases, making us a suitable choice for you.

  • Wide Variety of Products

    We offer a wide variety of equipment for monitoring water quality online for you to choose from.

  • Worry-Free After-Sales

    Provide professional technical support and responsive after-sales service to ensure long-term, stable operation, freeing you.

Mature and Stable Water Quality Testing Solutions

Swimming Pool Water Quality Testing - Integrated Multi-Parameter 

Swimming pool water must be clean, safe, disinfected, and chemically balanced to protect your health and ensure continuous operation.

  • Simultaneously measures residual chlorine, pH, ORP, turbidity, and other parameters.
  • Real-time monitoring improves efficiency.
  • Alarms reduce manual troubles and complaint risks.
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Manhole Water Quality Monitoring Solution

Manholes—including storm drains and sanitary sewers—serve as critical nodes within urban drainage networks. However, these assets present severe operational challenges, characterized by confined spaces, high humidity, unpredictable water chemistry, and strict maintenance constraints.

  • Space-Saving Design
  • Cloud-Based Transmission
  • Solar-Powered Operation
  • Flow Meter Compatible
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The commonly used comprehensive surface water quality testing—integrated multi-parameter testing

Surface water involves various parameters that need to be tested, including pH, dissolved oxygen, conductivity, turbidity, and temperature.

  • Multi-Parameter Simultaneous Detection
  • Higher Efficiency and Reduced Labor Costs
  • Early Detection of Pollution Risks
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Our Industry Solutions

We offer you water quality testing solutions and product requirements for any industry.

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