20250-30 Thermo Hygrometer, Cole-Parmer, Digi-Sense Precalibrated Temperature Humidity Indicator,, مقياس الرطوبة, ஈரப்பத அளவி
20250-30 Thermo Hygrometer, Cole-Parmer, Digi-Sense Precalibrated Temperature Humidity Indicator,, مقياس الرطوبة, ஈரப்பத அளவி