All pH measurements are performed within the electrode and transferred digitally to the meter

Includes an aquarium-specific packaging

With up to 3 point calibration and 7 standard buffer choices

Reduced water softening performance

Add the Hanna HI746 Low Range Iron Colorimeter to your cart and start monitoring Fe levels with professional accuracy today

Hanna HI7102 Relative Humidity Calibration Kit - Portable 2-Chamber RH Calibrator student laboratory All pH measurements are performedHanna 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