YSI Calibration Solutions and Standards
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Full range of calibration solutions and standards for YSI analytical meters.

Description Ranges Notes
Conductivity standards 1,000 to 100,000umhos/cm NIST traceable, freshness dated
Zobell ORP solution Freshness dated
pH buffer solution 4, 7, 10pH Freshness dated
Ammonium calibration solution 1, 10, 100mg/L Freshness dated
Confidence solution Not for calibration, verifies conductivity, pH, ORP
Nitrate standard 1, 10, 100mg/L Freshness dated
Turbidity standards 0, 12.4, 124 or 1010 FNU 1 gallon size