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Do you need help with consistent and reliable results in your water analysis?

Liberty Scales introduces the Ohaus 120mm x 12mm Starter Electrodes STREF1, a cornerstone in laboratory precision and reliability. Designed to tackle the challenges of accurate measurements in diverse laboratory environments, these electrodes are engineered to deliver precise pH, reference, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), and temperature measurements. Ideal for both novice and professional users, these electrodes integrate seamlessly with Ohaus bench and portable meters, ensuring high-performance and easy operation.

Key Benefits:

  • Versatile Applications: Tailored for multiple measurements including pH, ORP, conductivity, DO, and temperature, making them a versatile addition to any laboratory setup.
  • High Durability: Constructed with robust glass and plastic shafts to withstand daily use and extend lifespan.
  • Integrated Temperature Sensor: Features an in-built temperature sensor for automatic temperature compensation, guaranteeing accurate readings under varying conditions.
  • Optimal Compatibility: Perfectly fits Ohaus bench meter holders and portable meter clips, enhancing convenience and usability.
  • Precision Manufacturing: Backed by Ohaus's commitment to precision, these electrodes are crafted to deliver exact results consistently.
  • 5-Year Warranty: Enjoy peace of mind and long-term reliability with a comprehensive 5-year warranty on your investment.

By choosing the Ohaus Starter Electrodes, you are not just purchasing laboratory instruments but investing in peace of mind. The assurance that every measurement is accurate and reliable will boost your confidence in your analytical results. These starter electrodes, brought to you by Liberty Scales, will solve your measurement inconsistencies and enhance the overall efficiency of your water analysis, meter, and electrodes operations. Experience the satisfaction of flawless operation and dependable results, which are essential for any scientific endeavor.

Reach out to our dedicated team for further information and personalized assistance. Call us at (661) 888-1919 or email us at We're here to help you every step of the way!


  • Electrode Type: Reference

  • Cable: 1.1 m

  • Shaft Material: Glass

  • Dimensions: 4.7 in x 0.47 in (120 mm x 12 mm) (LxØ)

  • Net Weight: 2.5 oz (70 g)

  • Temperature Sensor: No

  • Working Environment: 50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
  • Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
  • Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
  • Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
  • Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
  • Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
  • Customer Support: Contact at (661) 888-1919 or for queries or concerns about shipping.