or disabled) conserves battery life

The Hanna HI7102 Relative Humidity Calibration Kit is a portable

Always save the cap and collar for continued probe protection

double junction lab grade pH electrode for low maintenance and high performance with a screw on cap to ensure proper storage (SE220 probe included)

Includes an aquarium-specific packaging

Hanna HI7102 Relative Humidity Calibration Kit - Portable 2-Chamber RH Calibrator student laboratory or disabled) conserves battery lifeHanna HI7102 Relative Humidity Calibration Kit Portable Precision RH Calibration The Hanna HI7102 Relative Humidity Calibration Kit is a portable, dual chamber calibration system designed for accurate humidity sensor calibration in laboratory and field environments. This compact kit features two thermally isolated chambers, each supplied with a cap and calibration salts, ensuring reliable calibration of relative humidity meters and sensors. Key