Sper Scientific
HR-33
Calibration Salts
Regular price
$60.00
Description
Calibration Salt Solutions for Pen Style Thermo-Hygrometer
Calibration Solutions for Sper Scientific Pen Style Thermo-Hygrometer #800127.
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HR33 - MgCl Humidity Calibration Standard: 33% RH
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HR75 - NaCl Humidity Calibration Standard: 75% RH
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