200,000 umhos Standard-Accuracy at 25 deg C is ±0.25 micromhos for 1, 5, and 10 umhos solutions and ±0.25% for other solutions or the uncertainty shown on the certificate, whichever is greater.
473mL brown glass bottle of reagent grade solution with an accuracy of 0.25% and compatible with all equipment. Conductivity: 100 micromhos. Resistivity: 0.01 megohms. Dissolved Solids: 66 ppm. NIST traceable.
150,000 umhos Standard-Accuracy at 25 deg C is ±0.25 micromhos for 1, 5, and 10 umhos solutions and ±0.25% for other solutions or the uncertainty shown on the certificate, whichever is greater.