HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments

HI50021P is a premium quality calibration check solution produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. It is specially formulated for use with the HI9813-6 portable pH/EC/TDS/Temp. meter. It allows the user to check the meter’s calibration status at any time by simply rinsing the probe with water and immersing it in the solution. The meter will indicate the probe’s condition.

Convenience of individual packaging

• Ideal for field use due to portability
• Every sachet is as fresh as the day it was packaged

Each sachet marked with lot number and expiration date.

• Hanna solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.

Light block packaging

• Prevents any oxidation from UV light that could affect quality