HANNA GroLine Quick Calibration Solution for GroLine pH and EC Meters (120 ml)
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Optimize both pH and conductivity calibration in one efficient step with this dual-purpose solution. Designed for use with GroLine pH and/or EC/TDS meters using the Quick Cal function, it contains pH 6.86 buffer and 5,000 µS/cm conductivity standard in a single bottle. Each 120 mL container is hermetically sealed to preserve freshness, clearly labeled with its lot number and expiration date for traceability. With a precision of ±0.02 pH, this solution is produced under strict ISO standards using high-purity components. Unopened bottles remain reliable for up to five years—perfect for both field and lab use.
Key Features
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Dual-action formula: one-point calibration for both pH 6.86 and EC (5,000 µS/cm)
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High accuracy: ±0.02 pH
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Airtight, tamper-proof packaging protects solution quality
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Clearly marked with lot number and expiration for traceability
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Manufactured to ISO standards with premium-grade ingredients
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Up to 5-year shelf life when unopened
