Calibration Salts
$86.25
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Calibration Salt Solutions for Pen Style Thermo-Hygrometer Calibration Solutions for Sper Scientific Pen Style Thermo-Hygrometer #800127. HR33 - MgCl Humidity Calibration Standard: 33% RH HR75 - NaCl Humidity Calibration Standard: 75% RH
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$60
$86.25
(+$26.25)