Portable Dissolved Oxygen Meters Market

By Product Type;

Polarography and Galvanic Cell

By Calibration Type;

Automatic and Manual

By Application;

Aquariums, Industrial Processes, Water & Wastewater Treatment, Education, Aquaculture and Others

By Geography;

North America, Europe, Asia Pacific, Middle East & Africa and Latin America - Report Timeline (2021 - 2031)
Report ID: Rn298648060 Published Date: September, 2025 Updated Date: October, 2025

Portable Dissolved Oxygen Meters Market Overview

Portable Dissolved Oxygen Meters Market (USD Million)

Portable Dissolved Oxygen Meters Market was valued at USD 395.81 million in the year 2024. The size of this market is expected to increase to USD 1,055.29 million by the year 2031, while growing at a Compounded Annual Growth Rate (CAGR) of 15.0%.


Portable Dissolved Oxygen Meters Market

*Market size in USD million

CAGR 15.0 %


Study Period2025 - 2031
Base Year2024
CAGR (%)15.0 %
Market Size (2024)USD 395.81 Million
Market Size (2031)USD 1,055.29 Million
Market ConcentrationLow
Report Pages379
395.81
2024
1,055.29
2031

Major Players

  • Thermo Fisher Scientific Inc.
  • Hach Company (Danaher Corporation)
  • YSI (Xylem Inc.)
  • Hanna Instruments, Inc.
  • Oakton Instruments (Cole-Parmer)
  • HORIBA, Ltd.
  • Endress+Hauser AG
  • METTLER TOLEDO
  • Omega Engineering, Inc.
  • In-Situ Inc.

Market Concentration

Consolidated - Market dominated by 1 - 5 major players

Portable Dissolved Oxygen Meters Market

Fragmented - Highly competitive market without dominant players


The Portable Dissolved Oxygen Meters Market is expanding steadily, driven by the increasing need for precise water quality monitoring across industries. These meters are essential in aquaculture, wastewater treatment, and environmental testing. Rising emphasis on real-time water analysis has led to widespread adoption, with nearly 45% of water monitoring applications now relying on portable dissolved oxygen meters for fast and accurate results.

Growing Demand in Aquaculture and Fisheries
The aquaculture sector is a major contributor to market growth, as dissolved oxygen levels directly impact aquatic life health and productivity. Studies suggest that around 40% of aquaculture farms now integrate portable DO meters into daily operations. By ensuring optimal oxygen balance, these devices help reduce fish mortality and improve yield, making them indispensable in fisheries management.

Rising Adoption in Wastewater Treatment
With stricter environmental regulations, wastewater treatment facilities are increasingly deploying portable dissolved oxygen meters to maintain compliance. Over 50% of treatment plants utilize these devices to monitor oxygen levels during aeration processes, which are critical for effective breakdown of organic matter. Their portability and efficiency make them highly valuable for on-site inspections and regulatory reporting.

Technological Advancements Enhancing Accuracy
Innovations such as optical sensing technology and advanced digital interfaces are revolutionizing dissolved oxygen measurement. Nearly 35% of new devices launched feature optical sensors, offering higher accuracy, faster response times, and minimal maintenance compared to traditional electrochemical sensors. This shift toward advanced models is boosting operational efficiency and user convenience.

  1. Introduction
    1. Research Objectives and Assumptions
    2. Research Methodology
    3. Abbreviations
  2. Market Definition & Study Scope
  3. Executive Summary
    1. Market Snapshot, By Product Type
    2. Market Snapshot, By Calibration Type
    3. Market Snapshot, By Application
    4. Market Snapshot, By Region
  4. Portable Dissolved Oxygen Meters Market Dynamics
    1. Drivers, Restraints and Opportunities
      1. Drivers
        1. Technological advancements in sensor technology
        2. Increasing adoption in environmental monitoring
      2. Restraints
        1. High initial investment costs
        2. Limited accuracy in extreme conditions
      3. Opportunities
        1. Growing applications in aquaculture and wastewater treatment
        2. Rising demand for portable and handheld devices
    2. PEST Analysis
      1. Political Analysis
      2. Economic Analysis
      3. Social Analysis
      4. Technological Analysis
    3. Porter's Analysis
      1. Bargaining Power of Suppliers
      2. Bargaining Power of Buyers
      3. Threat of Substitutes
      4. Threat of New Entrants
      5. Competitive Rivalry
  5. Market Segmentation
    1. Portable Dissolved Oxygen Meters Market, By Product Type, 2021 - 2031 (USD Million)
      1. Polarography
      2. Galvanic Cell
    2. Portable Dissolved Oxygen Meters Market, By Calibration Type, 2021 - 2031 (USD Million)
      1. Automatic
      2. Manual
    3. Portable Dissolved Oxygen Meters Market, By Application, 2021 - 2031 (USD Million)
      1. Aquariums
      2. Industrial Processes
      3. Water and Wastewater Treatment
      4. Education
      5. Aquaculture
      6. Others
    4. Portable Dissolved Oxygen Meters Market, By Geography, 2021 - 2031 (USD Million)
      1. North America
        1. United States
        2. Canada
      2. Europe
        1. Germany
        2. United Kingdom
        3. France
        4. Italy
        5. Spain
        6. Nordic
        7. Benelux
        8. Rest of Europe
      3. Asia Pacific
        1. Japan
        2. China
        3. India
        4. Australia & New Zealand
        5. South Korea
        6. ASEAN (Association of South East Asian Countries)
        7. Rest of Asia Pacific
      4. Middle East & Africa
        1. GCC
        2. Israel
        3. South Africa
        4. Rest of Middle East & Africa
      5. Latin America
        1. Brazil
        2. Mexico
        3. Argentina
        4. Rest of Latin America
  6. Competitive Landscape
    1. Company Profiles
      1. Thermo Fisher Scientific Inc.
      2. Hach Company (Danaher Corporation)
      3. YSI (Xylem Inc.)
      4. Hanna Instruments, Inc.
      5. Oakton Instruments (Cole-Parmer)
      6. HORIBA, Ltd.
      7. Endress+Hauser AG
      8. METTLER TOLEDO
      9. Omega Engineering, Inc.
      10. In-Situ Inc.
  7. Analyst Views
  8. Future Outlook of the Market