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  • Oakton Combination Single-Junction Epoxy-Body Gel-Filled pH Electrode
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by Oakton

Oakton Combination Single-Junction Epoxy-Body Gel-Filled pH Electrode

Available in multiple versions


Price: $38.00 - $146.11
Product Specifications
Brand Name Oakton
UNSPSC Code 60104500

The Oakton combination pH electrode is a single junction elec... Read full product description



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Product Features

  • pH electrode with a single junction for measuring pH levels in general clean water applications
  • Combination electrode contains both the measuring half-cell and the reference half-cell to minimize electrostatic interference and provide consistent readings
  • Epoxy body is impact resistant and durable, and is sealed for minimal maintenance
  • Available in models that measure pH from 0 to 12 or 0 to 14
  • Electrode has a BNC connector for attaching to meters with a BNC connection

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0078Q42OY
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (4 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

The Oakton combination pH electrode is a single junction electrode for measuring the pH of solutions in clean water applications, and its epoxy body is impact resistant, durable, and sealed and filled with an electrolyte solution gel for minimal maintenance. This combination electrode contains both the measuring half-cell and the reference half-cell to minimize electrostatic interference and provide consistent readings. The pin-type junction allows low electrolyte flow to help prevent premature electrode failure. The electrode comes in standard models and all-in-one models; all-in-one models have a built-in temperature sensor for automatic temperature compensation (ATC) and a mini phone plug connector for attaching the electrode to meters with temperature-reading capabilities. It is available in models with a pH range of 0 to 12, as well as models with a pH range from 0 to 14 for high sodium/high pH solutions. The electrode has a Bayonet Neill-Concelman (BNC) connector for attaching to meters with a BNC connection. A storage bottle is included to prevent damage to the electrode. pH electrodes measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists in hydroponics, aquaculture, agriculture, and winemaking, among other applications.

An electrode, also called a sensor or probe, is an instrument used with a meter to test and measure parameters of a substance. All electrodes are probes or sensors, but not all probes are electrodes or sensors. Probes, such as temperature probes, are used to penetrate a material for measurement. Common electrode types are pH, total dissolved solid (TDS), oxidation reduction potential (ORP), and ion selective electrode (ISE). They come in standard models or in all-in-one (sometimes called 3-in-1) models, which have a built-in temperature sensor for automatic temperature compensation (ATC). Electrodes can be half-cell or full- (also called combination) cell type. They can be refillable or non-refillable. Housing material is typically glass or epoxy, and sensors are commonly made with stainless steel or a glass bulb. pH electrodes, which measure the pH of a substance, often have a glass bulb. The bulb senses hydrogen ions, and generates a millivoltage that is picked up by the filling solution and transferred to a wire that connects to the pH meter. ORP, also known as redox, electrodes measure dissolved oxygen in aqueous solutions to determine the level of contaminants and their ability to act as oxidizing or reducing agents. Ion selective electrodes (ISEs) respond selectively to ions in the presence of other ions. Electrodes are commonly used by researchers, manufacturers, and hobbyists in a wide variety of industries, such as aquaculture, agriculture, chemistry, food and beverage, wine-making and water-testing, and for scientific applications. An electrode can be used with a datalogger to assist in temperature measurement.

Oakton Instruments manufactures scientific instruments for research, industrial, and educational uses. The company, founded in 1991 and headquartered in Vernon Hills, IL, specializes in meters, electrodes, and transmitters.

What’s in the Box?

  • Oakton pH electrode
  • Electrode storage bottle


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Most Helpful Customer Reviews

2 of 2 people found the following review helpful By Rick on February 9, 2012
Size: 3-foot cable Verified Purchase
Bought this to replace a pH meter in the lab in which I work. Worked great and the price could not be beat. Please note that this is not a stand alone pH meter. You need the portable unit (where you plug this into) to be able to use it.
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1 of 1 people found the following review helpful By muddocktor on January 7, 2013
Size: 3-foot cable Verified Purchase
This is a high quality replacement probe for my Oakton Acorn pH6 meter that won't break your wallet. Delivered securely wrapped and in great shape.
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Size: 3-foot cable
We are really pleased with this electrode. We could not find a replacement thru our typical ordering systems, but we had no problem thru Amazon. It was brand new and works well. Now we can continue to make compounded medications. Grandpa's Compounding Pharmacy- Placerville California.
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Size: 3-foot cable Verified Purchase
Found a very nice discontinued Ph meter on ebay for dirt cheap and needed to pick up the probe to complete the package. The only thing I could find was almost twice the price of this unit. So far so good though, been taking weekly measurements with this guy for over a year now and I expect it will last me another 10 years at least, just make sure you keep the probe in calibration solution! Otherwise Oakton makes quality products and I can't complain at all.

If you need a new probe and need a great price then I wouldn't hesitate to consider this unit.
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