| As part of USP <645>, meter calibration must be verified by replacing the conductivity cell with NIST-traceable precision resistors (accurate to +/- 0.1% of the stated value). The Certificate of Analysis provided with each Orion conductivity calibration kit documents the NIST-traceability, the 0.1% tolerance, and actual conductance values for each resistor. Meter readings must agree with actual conductance values to within +/- 0.1 uS/cm.
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9 Artikel Summe 7,992.00 USD 