For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
NaCl calibration solution, available in 1000 ppm.
Comes in lightweight HDPE plastic bottles.
Sealed with a coated foam liner.
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NaCl solution
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Available in 1000 ppm
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3 oz. bottles (88.7 ml)
Solution Conversions
1000 NaCl = 1060 as KCl ; 1450 as "442" ; 2000 µS |