Sixteen ounces of liquid for frequent calibration needs Highest accuracy available Units labeled (micromhos/millisiemens, ohms, parts per million/TDS) Includes step-by-step calibration instructions and temperature chart 100% compatible with all makes of equipment …

Traceable to NIST standards Accuracy: ±0.25% 100% compatible with all makes of equipment For use in the lab and the field Single-use standards eliminate concerns about external container contamination. Each container is labeled for calibrating conductivity…

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.