0 ratings
YSI DO Cap Membrane Kit: 6 Blue Screw-on Cap Membranes (2 mil PE), Bottle of Electrolyte, and Sanding Disc
Optimize the performance of YSI meters with convenient screw-on cap membranes.
YSI DO Cap Membrane Kit: 6 Blue Screw-on Cap Membranes (2 mil PE), Bottle of Electrolyte, and Sanding Disc

Item #: 54427559

YSI DO Cap Membrane Kit: 6 Blue Screw-on Cap Membranes (2 mil PE), Bottle of Electrolyte, and Sanding Disc

Item #: 54427559
0 ratings Write a review
Out of stock
us Imported from USA store
Our Top Logistics Partners
  • fedex
  • dhl
Optimize the performance of YSI meters with convenient screw-on cap membranes.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Complete Kit
Includes six blue screw-on cap membranes, electrolyte solution, and sanding disc for comprehensive maintenance and optimal performance of YSI 5909 DO meters.
Durable Materials
Constructed from 2 mil PE, the membranes are designed for longevity, ensuring consistent measurements in various environmental conditions without frequent replacements.
User-Friendly
The simple screw-on design allows for easy installation and replacement, reducing downtime and enhancing user experience for both professionals and hobbyists.

Product Details

Enhance YSI water analysis meter performance with the YSI 5909 DO Cap Membrane Kit. Find replacement electrodes, cables, power adapters, and more to optimize your measurements. Easy screw-on cap membranes for quick changes. Shop now at Ubuy Malawi.
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Environmental Researchers

    Ideal for researchers conducting fieldwork requiring precise dissolved oxygen measurements in various water bodies.

  • Aquaculture Professionals

    Useful for aquaculture operations needing consistent monitoring of dissolved oxygen levels for fish health management.

  • Water Quality Technicians

    Perfect for technicians who routinely check water quality parameters, ensuring accurate and reliable test results.

Not Suitable For
  • Occasional Users

    Not suitable for users who rarely measure dissolved oxygen; it requires consistent use for optimal performance.

  • Home Experimenters

    May not meet needs for home users or hobbyists who require simpler, more basic testing equipment.

  • Budget-Conscious Buyers

    Less ideal for those looking for inexpensive solutions; investment in this kit may not be justified economically.

Product Description

YSI DO Cap Membrane Kit: 6 Blue Screw-on Cap Membranes (2 mil PE), Bottle of Electrolyte, and Sanding Disc

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is included in the YSI 5909 DO Cap Membrane Kit?

    Answer: The YSI 5909 DO Cap Membrane Kit includes six blue screw-on cap membranes made from 2 mil PE, a bottle of electrolyte, and a sanding disc. These components are essential for maintaining and replacing parts of your dissolved oxygen sensor, ensuring accurate and reliable readings in various water conditions. Regularly replacing the membranes helps enhance the sensor's longevity and performance, making it ideal for environmental monitoring, aquaculture, and water quality testing.
  • Question: How do you install the cap membranes from the kit?

    Answer: To install the cap membranes from the YSI 5909 DO Cap Membrane Kit, first, ensure that the sensor is clean and dry. Gently screw the new membrane onto the sensor, ensuring a tight seal for optimal functionality. Proper installation helps maintain a consistent interface between the sensor and the water, allowing you to make precise measurements. This process is commonly utilized in labs and field tests to maintain sensor accuracy during routine checks.
  • Question: How often should I replace the membranes from this kit?

    Answer: Membrane replacement frequency largely depends on usage and the conditions of the water being tested. Typically, it’s recommended to inspect and possibly replace the membranes every few weeks or after frequent use. Maintaining well-functioning membranes ensures the dissolved oxygen sensor operates accurately, especially in environments with fluctuating water quality, such as lakes and aquaculture farms. Keeping an eye on membrane wear will help guarantee the reliability of your measurements.
  • Question: Can I use the YSI 5909 DO Cap Membrane Kit with other YSI models?

    Answer: The YSI 5909 DO Cap Membrane Kit is specifically designed for YSI 5909 dissolved oxygen sensors. While it may fit some other YSI models, it is best to consult the product specifications or your device’s manual for compatibility information. Using the correct parts is critical to ensure proper sensor function and accuracy, especially in demanding monitoring tasks in environmental science and water studies.
  • Question: What is the function of the electrolyte included in this kit?

    Answer: The electrolyte included in the YSI 5909 DO Cap Membrane Kit serves as a conductive fluid that facilitates the necessary electrochemical reactions within the sensor. This solution maintains the internal environment of the sensor, enhancing measurement accuracy for dissolved oxygen levels. It is crucial for precise field measurements in freshwater and marine environments, making it an essential part of water quality assessments and environmental research projects.
  • Question: Why is the sanding disc included in the kit important?

    Answer: The sanding disc included in the YSI 5909 DO Cap Membrane Kit is important for preparing the sensor surface prior to membrane installation. It aids in ensuring that the sensor is clean and provides a roughened surface for better adhesion of the new membrane. This preparation is vital for optimal sensor functionality, particularly in professional and research applications where accurate oxygen level readings are critical for monitoring aquatic environments.
  • Question: Is the YSI 5909 DO Cap Membrane Kit suitable for field use?

    Answer: Yes, the YSI 5909 DO Cap Membrane Kit is suitable for field use. Its robust design and included components are specifically engineered to withstand outdoor conditions and frequent handling. This makes it ideal for environmental scientists and field researchers conducting water quality monitoring in various ecosystems. Whether you are testing lakes, rivers, or coastal waters, this kit ensures your sensor continues to perform accurately.
  • Question: How should I store the components of the cap membrane kit?

    Answer: It’s advisable to store the YSI 5909 DO Cap Membrane Kit components in a cool, dry place, away from extreme temperatures and direct sunlight. Proper storage helps to maintain the integrity of the membranes and the electrolyte solution, preventing degradation before use. This is particularly important for professionals in laboratories or researchers conducting longitudinal studies, where consistent, reliable measurements are required over time.
  • Question: What are the applications of the YSI 5909 DO Cap Membrane Kit?

    Answer: The YSI 5909 DO Cap Membrane Kit is primarily used in aquaculture, environmental monitoring, and research applications that require accurate dissolved oxygen measurements. It is essential for assessing water quality in lakes, rivers, and aquifers, making it valuable for studies on aquatic life. This kit is utilized by scientists, water treatment facilities, and educational institutions to ensure the health of ecosystems and compliance with environmental standards.
  • Question: Where can I buy the YSI 5909 DO Cap Membrane Kit in Malawi?

    Answer: You can purchase the YSI 5909 DO Cap Membrane Kit from Ubuy. Ubuy offers a wide selection of laboratory and scientific equipment, making it a reliable source for maintaining your dissolved oxygen sensor and ensuring the quality of your water testing needs in Malawi.

YSI Dissolved Oxygen Meters & Accessories Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.