Conductivity/TDS Standards

Photo of Oakton Conductivity Standards

All OAKTON Conductivity/TDS calibration solutions are cross checked using different test methods, premixed, and ready to use. Manufactured with NIST traceable materials ( ±1% accuracy at 25°C). Solution bottles are labeled with the name and CAS number for all ingredients to conform with “Right-to-Know” requirements, and includes an MSDS. Solutions come in one pint bottles. Dimensions: 7.75"H x 2.25" dia. Shpg wt: 1.1 lbs.

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Photo of Thermo Scientific Orion Conductivity Standards

Perform virtually any electrochemistry analysis with Thermo Scientific™ Orion™ Conductivity Standards and Solutions. Choose from a complete selection of conductivity accessories including conductivity standards and TDS (total dissolved solids) standards. All conductivity standards are traceable to NIST™ standard reference materials.

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Photo of Traceable® Conductivity Standard

(CRM) Traceable® Conductivity Standards, a Certified Reference Material, are 100% compatible with all makes of instruments and probes. Traceable® Conductivity Standards are the most accurate available. Accuracy at 25°C is (±0.25 microsiemens for 1, 5, 10 microsiemen solution or ±0.25% for other solutions) or the uncertainty shown on the certificate, whichever is greater. Each bottle is labeled for calibrating conductivity (microsiemens/micromhos), resistivity (ohms), and dissolved solids (parts per million).

Photo of Dissolved Solids Calibrating Solutions. Myron L
Your instruments will be kept most accurate by periodic recalibration with the appropriate Conductivity Standard Solution and pH Buffers.
Photo of Control Company 4170 Redi-Stor™ Conductivity Probe Storage Solution

Redi-Stor™ is the ideal solution for storing conductivity probes. It preserves probe’s cleanliness, eliminates growths found when storing in water only, and maintains the probe for immediate use with no conditioning.

Photo of Traceable® One-Shot® Conductivity Standards

Certified Reference Material Single-use conductivity standards calibrate all conductivity meters and probes for maximum accuracy. One-Shots™ eliminate concern about external container contamination. Calibration is made in the standard’s vial. Container fits all probes. Extra-large opening (1-3/4-inches diameter) and extra-large, 3-1/2-inches depth allow probe calibration to take place in the standard’s polyethylene container. One-Shot™ Traceable® standards accommodate all conductivity probes and are ideal for lab or field conditions.