Pack of 25 premium quality 1,500 mg/L (ppm) TDS calibration solution standardized with a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696/BS3978.
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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. Hannaâ€™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 @25Â°C: 1500 mg/L (ppm) Package: sachets Size: 20 mL Quantity: 25