Portable & field testing
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These humidity standards from ROTRONIC are supplied in packs of five hermetically sealed ampoules of the same humidity level. Each ampoule is labeled with the humidity value and a serial number. With the humidity standards, a calibration device and the HW4 software, this can be done easily at a PC. Without the software it is also possible to calibrate and adjust probes with the handheld instrument HP23-A.
The values most commonly used are 35%rH and 80%rH. These are used for 2-point calibrations and bring the following advantage:
Learn more about our Humidity Standards EAxx-SCS on our website.
IET 36.5 Sept/Oct 2026
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