"HANNA INSTRUMENTS"

NIST traceable and contained in portable single-use sachets.

It is a set of premium quality 1.413 µs/cm conductivity standards and pH 7.01 buffers that are NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of conductivity solutions and pH buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. This package of calibration sachets are for 20 sachets (10 each) containing 20 ml of solution.

NIST traceable and contained in portable single-use sachets.