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VAISALA 19730HM MGCL2 HUMIDITY CALIBRATION SALT WITH CERTIFICATE, FOR HMK15 HUMIDITY CALIBRATOR
Certified magnesium chloride salt for generating 33%RH humidity in HMK15 calibrators. 1 dose. Weight: 30 g. Shelf life for unopened salt bags is two years. Prepared salt solution stays good for 6-12 months depending on conditions. Certificate of calibration of same salt batch included.