The Hanna HI7030L is a premium 12880 µS/cm conductivity standard in a 500 mL bottle — the standard calibration point for high-range EC and TDS measurement.

Key features

• Prepared against NIST-traceable potassium chloride per ISO 3696/BS3978
• Temperature-vs-conductivity chart printed on each bottle; lot number and expiration date marked
• Air-tight, tamper-proof bottle; 5-year unopened shelf life

Use with: Hanna high-range EC/TDS meters (HI99301, HI98130, HI2030, HI6321). What's included: one 500 mL bottle of 12880 µS/cm standard.

Browse meters in our Hanna WQ Meters collection.

Estimated shipping weight: 1.3 lb.