Tramex RH Calibration Salt Check - SAL75The Tramex RH Calibration Salt Check SAL75 provides a precise and stable environment for verifying the accuracy of Tramex Hygro i2 and other RH probe types. Designed to maintain a consistent 75% relative humidity level, this calibration check ensures optimal performance and long term reliability of your humidity sensors. Each model in the SAL75 series is tailored for different Tramex probe configurations, including standard, short, and narrow