HI70080P is a premium quality 800 mg/L (ppm) TDS 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. Reported values are traceable to NIST Standard Reference Materials (SRMs).

Convenience of individual packaging

• Ideal for users that do not calibrate frequently
• Ideal for field use due to portability
• Every sachet is as fresh as the day it was packaged
• Light block packaging prevents oxidation from UV light that could alter the TDS value

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.