Humidity standards

Supplier: ROTRONIC INSTRUMENTS
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EA50-SCS EA80-SCS EA35-SCS EA10-SCS EA65-SCS EA95-SCS EA20-SCS EA00-SCS
620-2225EA 108 GBP
620-2225 620-2226 620-2224 620-2223 707-0044 707-0045 620-2758 620-2272
Humidity standards
Standards Environmental Analysis Standards

Although most relative humidity (RH) probes have excellent long-term stability, it is recommended that their calibration be checked regularly.


  • Traceable to national standard – SCS (Swiss Calibration Service) certificate included
  • Ampoules contain unsaturated salt solutions (~0,8 ml)
  • Inexpensive on-site calibration
  • Simple and safe to use
  • 10 year shelf life
  • Practical packs of five ampoules of the same humidity value


Delivery information: Each ampoule is labelled with the humidity value and serial number.


Caution: Values and accuracy (measurement uncertainty values) below are measured at 23 °C.

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