Industrial & Scientific

The Best Dissolved Oxygen Meter Accessories

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Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Maintaining optimal dissolved oxygen (DO) levels is critical for various scientific and industrial processes, from aquaculture to environmental monitoring. The accuracy and longevity of your DO meter depend heavily on the quality of its accessories. Selecting the right calibration solutions, probes, and storage solutions ensures reliable readings and extends the lifespan of your equipment.

No. 1
Dissolved Oxygen Meter Electrolyte Solution 4 * 30ml,Dissolved Oxygen Meter Accessories Electrolyte Solution
  • Dissolved Oxygen Meter Electrolyte Solution:Regular replacement of the new electrolyte can help the dissolved oxygen meter probe to stay in the best condition at all times, extending the service life of the tester.
  • GIDIGI provides detailed replacement instructions, with clear text and pictures, so that even beginners can quickly complete the replacement.
  • Please store in a ventilated and cool place,please tighten the bottle cap after use.
  • This electrolyte is suitable for GIDIGI dissolved oxygen meter and other similar products.
No. 2
Dissolved Oxygen Meter with ATC,DO Meter with Electrode Filling Fluid, 0.0-40.00 mg/L Measurement...
  • Dissolved oxygen refers to the concentration of molecular oxygen dissolved in water, generally expressed in mg/L (ppm) and saturation percentage (%), which is the percentage of dissolved oxygen in 1L of water. Dissolved oxygen meter can quickly and...
  • User-Friendly Design: Measure and calibrate effortlessly without needing to remove the electrode’s protective cover. Simply immerse the electrode for quick, hassle-free usage. The Automatic Temperature Compensation (ATC) function ensures precise results...
  • Clear Digital Display: The easy-to-read LCD screen provides clear readings at a glance. Plus, the device features auto power-off after 8 minutes of inactivity and a low battery indicator to ensure uninterrupted usage.
  • Convenient Functions:Dissolved oxygen meter adopts the digital screen display with backlight, which is more clear and convenient to read data. Auto power-off in 8 minutes if not using it. Low battery indication. Our instruments have temperature...
SaleNo. 3
EZTOCH Dissolved Oxygen Meter Pond Oxygen Meter Water, Aquarium Do Meter
  • Dissolved oxygen meter for Hydroponics: This oxygen meter is an essential tool for monitoring the oxygen content in various indoor gardening setup, such as DWC, hydroponic reservoir, aquaponics, hydroponic towers. Maintaining this level at a healthy...
  • Pond Water oxygen meter for Fish Tank: Monitors the aquatic environment for various fish species, including freshwater fish, koi ponds, aquariums, saltwater fish, and coral tanks; suitable for aquaculture; helps maintain the health of your...
  • 3.6ft Probe & Backlight: EZTOCH DO meter is equipped with a 3.6-foot/1.1-meter electrode line. The long probe can reach deeper water, which is especially useful when testing deeper tanks (DWC tanks) or outdoor installations (tank/ponds); the backlit...
  • APP Connection: Connects to the YINMIK app to store data, up to 1000 values, eliminating the need for note-taking; maximum and minimum values can be set in the app; when measured values exceed these ranges, they will be displayed in red to remind you to...
No. 4
EZTOCH Dissolved Oxygen Meters Accessories, Membrane Replace Kit
  • Package: Includes 9 replacement membrane cap and 3 bottles of electrolyte solutoin, meeting the consumable needs of customers who frequently use the dissolved oxygen meter
  • How to replace the electrolyte: Pour out the old electrolyte from the membrane cap add new electrolyte, clean the membrane cap, then pour out the old electrolyte again, and finally fill the membrane cap with new electrolyte
  • How to replace a membrane cap: Tighten the membrane cap thread to the left, discard the old membrane cap, and then tighten the membrane cap thread to the right to install the new membrane cap. When replacing or removing a membrane cap, do not touch the...
  • Replacement frequency for the following parts: Modules: Replace when damaged or inaccurate; Electrolyte: Replace with new electrolyte before each use
No. 5
LOHAND Digital Dissolved Oxygen Meter with ATC, 0-20mg/L Measurement Range
  • Professional Dissolved Oxygen Meter: LOHAND DO meter LH-D701 features a 0.00-20.00mg/L full dissolved oxygen measurement range with 0.01mg/L high resolution and ≤±0.3mg/L accuracy for ultra-reliable readings. It simultaneously tests dissolved oxygen...
  • Triple Compensation Technology: Equipped with manual atmospheric pressure compensation (60.0-110.0KPa) and manual salinity compensation (0.0-50.0g/L), paired with automatic temperature compensation (32-104℉). Effectively offsets environmental...
  • Ideal Design: Boasts a wide LCD screen with clear data display and intuitive operation prompts, plus high-brightness backlight for easy reading in dim light. Advanced 32-bit microprocessor technology enables one-click operation for data switching and...
  • Wide-Range Applications: High-Performance Portable Dissolved Oxygen Meter is an essential professional water quality testing tool for aquaculture, environmental monitoring, water supply & sewage treatment. Precisely tests tap water, swimming pool water...
No. 6
YINMIK Smart Dissolved Oxygen Meter Portable DO Meter for Pond Aquarium
  • Accurate Dissolved Oxygen Meter for Ponds: YINMIK dissolved oxygen meter offers two modes for measuring dissolved oxygen levels in water: mg/L mode (1 mg/L = 1 ppm) and % mode. It is a precise DO meter with a resolution of 0.01 mg/L and 1%, and a range of...
  • Portable Dissolved Oxygen Test Kit for Environmental Monitoring: YINMIK Dissolved Oxygen Reader features a portable packaging design (durable plastic shell, shock-resistant foam insert, and handle-style carrying design) for easy carrying and convenient...
  • Smart Dissolved Oxygen Meter: Connecting to the YINMIK APP via Bluetooth, the Bluetooth Dissolved Oxygen Meter can store 1000 dissolved oxygen readings and display changes in DO content via Excel. With ATC function, and salinity and altitude compensation...
  • Easy Calibration - Zero Oxygen Water: More convenient calibration mode requiring only 100% point calibration! ① For solution >2 mg/L, only 100% point calibration is needed.Testing the dissolved oxygen level of beer wort, 100% point calibration will...
No. 7
Yewhick Dissolved Oxygen Meter with ATC, 0-40.00 mg/L Measurement Range, DO Meter with Electrode Filling Fluid...
  • Dissolved Oxygen Tester Range Unit: The Dissolved Oxygen Tester allows you to view dissolved oxygen measurements in % or mg/L. The meter accurately measures dissolved oxygen (DO) in the range of 0.0-300.0% or 0-40 mg/l. The DO probe has a built-in...
  • Accurate and Stable Dissolved Oxygen Test Kit: Digital Dissolved Oxygen (DO) Meter with built-in temperature sensor, automatic temperature compensation, measuring range 0-50℃. Uses the latest chips and algorithms for faster readings and more stable...
  • Wide Range of Applications: The Yewick Dissolved Oxygen Meter is good for measuring dissolved oxygen levels and temperatures in a variety of environments including aquariums, fish tanks, koi ponds, beer brewing, aquaculture, wastewater treatment plants...
  • Easy to Use Oxygen Water Meter: The Yewhick dissolved oxygen (DO) meter With two-point automatic calibration of 0% and 100%, it is easy to calibrate; With a large LCD screen and polarographic probe with 1.1m cable. With the automatic shutdown, its battery...
No. 8
Dissolved Oxygen Meter with ATC, 0-40.00 mg/L Measurement Range, DO Meter with Electrode Filling Fluid and...
  • Extended Range: Our Dissolved Oxygen Meter features an expanded range of 0.0-40.0 mg/L, surpassing the standard 0.0-20.0 mg/L range. This broader range supports a wide variety of applications, from aquariums to industrial uses.
  • User-Friendly Design: Measure and calibrate effortlessly without needing to remove the electrode’s protective cover. Simply immerse the electrode for quick, hassle-free usage. The Automatic Temperature Compensation (ATC) function ensures precise results...
  • Clear Digital Display: The easy-to-read LCD screen provides clear readings at a glance. Plus, the device features auto power-off after 8 minutes of inactivity and a low battery indicator to ensure uninterrupted usage.
  • Complete Package: The kit includes 6 probe protective covers and anaerobic water calibration powder for your convenience and reliability. If you experience inaccurate readings and calibration over time, consider replacing the membrane sleeve. The...
SaleNo. 9
CHEMetrics K-7512 Dissolved Oxygen Kit, 1-12 ppm Range, 1 ppm MDL
  • Cost per test: $0.84
  • Analysis time: 2 minutes
  • Method: Indigo Carmine
  • Country of origin: China
No. 10
Oakton WD-35640-74 HDPE Replacement Membrane for Dissolved Oxygen Probe (Pack of 5)
  • Package length :5.7 cm
  • Package width :6.1 cm
  • Package height :12.2 cm
  • Made in Singapore

Last update on 2026-10-18 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Dissolved Oxygen Meter Accessories

Key Factors for Choosing Dissolved Oxygen Meter Accessories

When selecting accessories for your dissolved oxygen meter, consider these crucial factors to ensure performance and longevity:
  • Calibration Solutions: Regular calibration is essential for accurate DO readings. Ensure the calibration solutions you choose are fresh, properly stored, and compatible with your meter's specific calibration method (e.g., air calibration, zero-oxygen solution). Look for solutions from reputable manufacturers that provide certificates of analysis for traceability.
  • Replacement Probes: The DO probe is the heart of your meter. Consider the probe's material (e.g., membrane, optical), response time, and intended application. If you frequently work in harsh environments or with specific sample types, opt for probes designed for durability and resistance to fouling. Ensure the probe connector is compatible with your meter model.
  • Storage and Maintenance: Proper storage and maintenance are vital to prevent probe damage and ensure consistent performance. Choose appropriate storage solutions recommended by your meter's manufacturer. This often involves electrolyte solutions for membrane probes or specialized solutions for optical sensors. Regular cleaning and maintenance routines, supported by the right accessories, will prolong probe life.

Frequently Asked Questions

How often should I calibrate my dissolved oxygen meter?
Calibration frequency depends on your usage and the accuracy requirements of your application. For critical measurements, daily or even before each use calibration is recommended. For less demanding tasks, weekly calibration might suffice, but always refer to your meter's manual for specific guidance.
What is the difference between membrane and optical DO probes?
Membrane probes use a permeable membrane that allows oxygen to diffuse to a sensor, measuring the partial pressure. Optical probes use a luminescent dye that is 'quenched' by oxygen, and the intensity or lifetime of the luminescence is measured. Optical probes generally require less maintenance and are less affected by flow rates.
Can I use calibration solutions from a different brand?
While some solutions might be chemically similar, it is always best to use calibration solutions recommended by your meter's manufacturer. Using incompatible solutions can lead to inaccurate calibration and potentially damage the probe. Always check compatibility before purchasing.
How should I store my dissolved oxygen probe when not in use?
Proper storage is critical for probe longevity. Membrane probes typically require storage in a hydration or electrolyte solution to keep the membrane moist and the sensor active. Optical probes may have specific storage requirements, often involving a cap or protective cover. Never store a probe dry or in tap water.

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1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
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4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

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