YSI Calibration Solutions and Standards
Need Help? Call us M-F 8 AM to 5:30 PM ET 1-800-884-4967
Freeze Warning 2-day shipping strongly recommended to reduce risk of freezing. Any damage caused by freezing is not covered by warranty.

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