Hanna 1500 mg/L (ppm) TDS Calibration Solution (25 x 20 mL) (HI70442P)

HI70442P is a premium quality 1,500 mg/L (ppm) TDS calibration solution that is 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 TDS calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI70442P is for 25 sachets containing 20 mL of solution. 1,500 mg/L (ppm) TDS calibration solution Temperature chart of the actual ppm value at various temperatures printed on each bottle Convenient packaging for one time use 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 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. Specifcations: TDS Value @25°C: 1500 mg/L (ppm) Package: sachets Size: 20 mL Quantity: 25