Hanna Instruments TDS Calibration Solution 1500 mg/L (ppm) TDS value @25°C

price per unit: liter & gallon

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

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

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HI70442P is a 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. Additional equipment used in preparation of the solutions include certified weight-checked balances, Class A glassware and certified thermometers.

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.