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Do you need help to achieve accurate and reliable measurements in your water quality assessments?

Solve this with the OHAUS 120mm x 12mm Starter Electrodes STORP1, a pivotal part of your laboratory instruments collection. Perfectly designed for professionals in water analysis, these electrodes deliver precise measurements from -1000 to 1000 mV, ensuring detailed water quality analysis in various applications. Whether you're dealing with pH, ORP, conductivity, dissolved oxygen (DO), or temperature measurements, this tool is equipped to handle them all.

Key Benefits:

  • Broad Measurement Range: From -1000 to 1000 mV, capable of handling diverse water analysis needs.
  • Integrated Temperature Sensor: Ensures accurate measurements with automatic temperature compensation.
  • Versatile Applications: Ideal for pH, ORP, conductivity, DO, and temperature measurements.
  • Durable Construction: Made with sturdy plastic or glass shafts designed to withstand daily use.
  • Perfect Compatibility: Fits perfectly in electrode holders on OHAUS bench meters and clips on all OHAUS portable meters.
  • 5-Year Warranty: Enjoy peace of mind and long-term reliability with a comprehensive 5-year warranty on your investment.

Imagine no longer worrying about the accuracy of your water analysis results. With the OHAUS Starter Electrodes, you're not just buying a product but securing a partnership with precision. Each measurement brings you closer to adequately understanding your water's quality. Enhanced with the reliability of OHAUS and tailored to fit seamlessly with Liberty Scales equipment, these electrodes will meet and exceed your laboratory expectations, allowing you to conduct thorough and efficient water analysis effortlessly. Feel confident in your measurements and empowered by the precision of OHAUS Starter Electrodes.

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: ORP

  • Measurement Range: -1000 – 1000 mV

  • Cable: 1.1 m

  • Shaft Material: Plastic

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

  • Measurement Range: -1,000 mV – 1,000 mV

  • Net Weight: 2.5 oz (70 g)

  • Temperature Range: 0 °C – 80 °C

  • 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.