200,000 umhos Standard-Accuracy at 25 deg C is Ā±0.25 micromhos for 1, 5, and 10 umhos solutions and Ā±0.25% for other solutions or the uncertainty shown on the certificate, whichever is greater.
150,000 umhos Standard-Accuracy at 25 deg C is Ā±0.25 micromhos for 1, 5, and 10 umhos solutions and Ā±0.25% for other solutions or the uncertainty shown on the certificate, whichever is greater.