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For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
Features:
- NaCl calibration solution, 342 ppm
- Comes in lightweight HDPE plastic bottles
- Sealed with a coated foam liner
- 3 oz. bottles (90 ml)
Solution Conversions:
- 342 NaCl =
- 362 as KCl ; 478 as "442" ; 700 µS
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