Ohaus
0 ratings
Ohaus 30073971 ST20 Pen Meter
genuine image
Ohaus 30073971 ST20 Pen Meter
Accurate Electrochemistry Measurement At Your Fingertips. OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.
Ohaus 30073971 ST20 Pen Meter
Item #: 27056207

Ohaus 30073971 ST20 Pen Meter

Item #: 27056207

NAD 2702

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, August 13
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Accurate Electrochemistry Measurement At Your Fingertips. OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.
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

Compact Design
The Ohaus ST20 Pen Meter's slim profile ensures portability, making it ideal for on-the-go testing without sacrificing accuracy or ease of use.
Fast Readings
This meter delivers quick and reliable measurements, significantly reducing testing time and improving efficiency for lab professionals and field testers alike.
User-Friendly Interface
With its intuitive controls and clear display, users can perform tests with confidence, catering to both experts and beginners in various environments.

Product Details

Shop for Ohaus 30073971 ST20 Pen Meter at Ubuy Namibia. Get accurate measurement of pH, ORP, conductivity, salinity, and TDS. Explore now!
  • Package dimensions: 1.77 H x 7.28 L x 1.5 W (inches)
  • Package weight: 1.0 pounds
  • Country of origin: United States
  • Unit count: 1.0
  • Accurate measurement of pH, ORP, conductivity, salinity, and TDS
  • Economical option for accurate measurement
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Laboratory Technicians

    Ideal for precise measurement of pH and conductivity in various laboratory tests and experiments.

  • Educational Institutions

    Perfect for students learning about chemistry and biology with hands-on experience in measuring solutions.

  • Field Researchers

    Great for outdoor fieldwork, providing accurate readings of water quality parameters in different environments.

Not Suitable For
  • Heavy Industrial Use

    Not suitable for rugged environments where extensive durability and resilience to damage are required.

Product Description

Ohaus 30073971 ST20 Pen Meter

About This Item

Introducing the Ohaus 30073971 ST20 Pen Meter: Accurate Electrochemistry Measurement At Your Fingertips. Experience the precision and reliability of Ohaus weighing products now available in a handy pen meter - the Ohaus 30073971 ST20 Pen Meter. This pen meter offers accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS), making it perfect for various electrochemistry applications. Whether you're a scientist, researcher, or simply someone who needs precise measurement without any restrictions, the Ohaus 30073971 ST20 Pen Meter is the economical option for you. With its user-friendly design and easy-to-use interface, you can effortlessly measure and monitor various parameters with just a few clicks. Featuring advanced technology, this pen meter ensures accurate and reliable results every time.

It allows you to measure pH levels, ORP, conductivity, salinity, and TDS with confidence and precision. Say goodbye to guesswork and inaccurate readings - the Ohaus 30073971 ST20 Pen Meter is here to provide you with the most accurate and consistent measurements. Made by Ohaus, a renowned name in the world of measurement, this pen meter brings you the best in terms of quality, durability, and performance. With over a century of experience, Ohaus has perfected the art of measurement, and their expertise is now available in this compact and portable pen meter. Whether you're conducting experiments in a laboratory, testing water quality in a pool, or monitoring pH levels in a hydroponic system, the Ohaus 30073971 ST20 Pen Meter is your go-to device.

Its compact size and lightweight design make it easy to carry around, allowing you to perform measurements on the go. Invest in the Ohaus 30073971 ST20 Pen Meter today and take your electrochemistry measurements to the next level. Experience the precision, reliability, and convenience that Ohaus is known for. Get accurate results at your fingertips with this exceptional pen meter.

Upgrade your measurement game and make your work more efficient with the Ohaus 30073971 ST20 Pen Meter. Don't settle for less when it comes to measurement accuracy. Trust Ohaus and choose the Ohaus 30073971 ST20 Pen Meter for all your electrochemistry measurement needs.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the primary use of the Ohaus 30073971 ST20 Pen Meter?

    Answer: The Ohaus 30073971 ST20 Pen Meter is primarily used for measuring pH levels in liquids accurately. It's ideal for various applications including educational laboratories, aquariums, and hydroponics. With its compact design, this meter sits comfortably in the hand, enabling users to easily take measurements in different settings such as fieldwork or controlled environments. The pen-style design makes it highly portable, allowing you to monitor water quality in situ.
  • Question: How accurate is the Ohaus 30073971 ST20 Pen Meter?

    Answer: The Ohaus 30073971 ST20 Pen Meter offers high accuracy with a measurement range of 0.00 to 14.00 pH units. This precision is crucial for applications where exact pH levels are necessary, such as in laboratories or aquaculture. The meter includes advanced electrode technology that helps in stabilizing measurements quickly, providing reliable data for your projects or experiments. Users often appreciate its consistent performance for both research and practical usage.
  • Question: How do I calibrate the Ohaus 30073971 ST20 Pen Meter?

    Answer: Calibrating the Ohaus 30073971 ST20 Pen Meter is straightforward and ensures optimal accuracy. You should use standard buffer solutions, typically at pH 4.00 and 7.00, to calibrate the meter. Simply immerse the probe in a buffer solution and follow the prompts on the display to set the reading. Regular calibration is vital for maintaining accurate measurements, especially if you are using it for sensitive applications like soil or water testing. This process ensures that your readings remain reliable over time.
  • Question: Can the Ohaus 30073971 ST20 Pen Meter be used in high-temperature liquids?

    Answer: The Ohaus 30073971 ST20 Pen Meter is designed to withstand temperatures of up to 60°C (140°F) when measuring liquids. It's suitable for applications involving hot water, such as food processing or chemical reactions. However, prolonged exposure to extreme heat can affect the durability of the sensor, so it's important to monitor the temperature range. This capability allows professionals to gain insights into pH levels during experiments that involve temperature variations.
  • Question: Is the Ohaus ST20 Pen Meter waterproof?

    Answer: Yes, the Ohaus 30073971 ST20 Pen Meter is waterproof, making it a great choice for both indoor and outdoor applications. Its IP67 rating indicates that it can be submersed in water without damage, ideal for scenarios like field testing in lakes or puddles. This feature not only enhances its durability but also adds convenience for users who may need to measure pH levels in adverse conditions. Waterproofing ensures it stands up to occasional splashes or accidental drops in liquids.
  • Question: What is the battery life of the Ohaus 30073971 ST20 Pen Meter?

    Answer: The Ohaus 30073971 ST20 Pen Meter boasts an impressive battery life, allowing for extended use without frequent replacements. Typically, you can expect several months of usage from a single set of batteries, depending on the frequency of measurements. This efficiency is especially valuable for professionals who conduct multiple tests daily, like in environmental monitoring or scientific research. The meter includes a low-battery indicator, ensuring you can easily monitor its status and avoid interruptions.
  • Question: Can this pen meter be used for soil testing?

    Answer: While the Ohaus 30073971 ST20 Pen Meter is primarily designed for liquid measurements, it can also be utilized for soil testing with proper techniques. By extracting soil samples and suspending them in water or a suitable solution, users can effectively determine the pH levels of the soil. This feature is useful for gardeners, farmers, and researchers studying soil health. Ensuring an accurate mixture is key for obtaining reliable readings.
  • Question: What types of solutions can I measure with the Ohaus ST20 Pen Meter?

    Answer: The Ohaus 30073971 ST20 Pen Meter can measure the pH of a wide variety of solutions, including drinking water, soil extracts, and chemical solutions in labs. Its versatility makes it suitable for different fields such as agriculture, aquaculture, and food safety. Users frequently employ it to assess water quality in fish tanks or to verify the effectiveness of cleaning solutions. This adaptability enhances its utility in numerous environments.
  • Question: How should I maintain the Ohaus 30073971 ST20 Pen Meter?

    Answer: To maintain the Ohaus 30073971 ST20 Pen Meter, it is essential to keep the electrode clean and properly stored. After each use, rinse the probe with distilled water and gently blot it dry with a soft cloth. Additionally, you should store it in a protective cap filled with storage solution when not in use. This practice prevents the electrode from drying out, ensuring longevity and precision in your measurements. Regular maintenance helps you achieve consistent and reliable results.
  • Question: Where can I buy Ohaus 30073971 ST20 Pen Meter in Namibia?

    Answer: You can conveniently purchase the Ohaus 30073971 ST20 Pen Meter at Ubuy, a trusted online retailer that provides a wide selection of quality products. By shopping at Ubuy, you can explore various options and ensure that you are getting an authentic product delivered right to your location. Their user-friendly website makes it easy to navigate and find exactly what you need.

Ohaus pH Meters 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 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 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.

NAD 2702

Order now and get it around Thursday, August 13

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • OHAUS pen meters provide accurate measurement of pH, ORP, conductivity, salinity, and TDS.
  • Starter pen meters are an economic option for accurate measurement without restriction.
  • Dimensions: 1.77 H x 7.28 L x 1.5 W (inches) and 1.0 pounds in weight.
  • Country of Origin: United States.
  • Unit count: 1.0.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.