Humidity and Temperature Calibration Services


Rotronic’s Calibration laboratory in Hauppauge, New York is Accredited by A2LA to ISO/IEC 17025:2017 and ANSI/NCSL Z540-1-1994 standards for the Calibration of humidity and temperature.

Located in a separate, climate controlled area, the environment inside of the Calibration laboratory is constantly monitored and maintained. Throughout the Calibration process Rotronic’s proprietary software and algorithms ensure stable and reliable Calibrations.

Contact Us

Phone: +1-631-427-3898


Rotronic Lifetime Warranty

When using Rotronic's Calibration facility in the United States, all probes calibrated at least once every 12 months will receive a lifetime warranty against manufacturing defects.  

Rotronic offers prepaid Calibration service plans with significant price advantages.  Be sure to ask your Rotronic Sales Representative about our prepaid Calibration plans



Standard %RH Calibration for Rotronic probes producing even performance across the %RH range at ambient temperatures. Four points %RH and one point temperature at ambient.

Relative Humidity: 0, 10, 35, 80%RH @23°C
Temperature: ~23°C

  • Accredited Calibration 
  • Traceable Calibration*



Calibration consisting of nine points %RH and one point temperature.
Lowers the accuracy specification of HC2 devices from ±0.8%RH to ±0.5%RH.

Relative Humidity: 10, 20, 30, 40, 50, 60, 70, 80%RH @23°C, 90%RH @20°C
Temperature: 23°C

  • Accredited Calibration



Three customer specified humidity points and one temperature point at 23°C

Relative Humidity: 5 ... 85%RH @23°C, 86 ... 95%RH @20°C
Temperature: 23°C

  • Accredited Calibration
  • Traceable Calibration*



Add a humidity or temperature point to a CUSTOM Calibration

Relative Humidity: 5%RH ... 85%RH @23°C, 86%RH ... 95%RH @20°C
Temperature: 10°C ... 45°C

  • Accredited
  • Traceable*



Calibration at five standard aw points. As found data optional
Results reported as %RH

Water Activity: 0, 0.1, 0.35, 0.8, 0.95aw

  • Traceable Calibration includes As Found Data
  • Traceable Calibration*



Nine points aw. Adjustment tolerance lowered to report an error of ±0.005aw or less. Includes As Found data
Results reported as %RH

Water Activity: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9aw

  • Traceable Calibration includes As Found Data



*All Traceable Calibrations only include "As Left" data unless otherwise noted

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