-10%
معيار معايرة مقياس الانكسار من Brightwell Aquatics، مرجع دقيق لمعايرة أجهزة قياس انكسار مياه البحر، وأجهزة قياس كثافة السوائل وغيرها من معدات قياس الكثافة، RES60
مميزات خاصة
35 ppt Salinity
1. 0264 Specific Gravity
1. 3394 Refractive Index
53 uS/cm at 25 deg c
وصف
Accurate reference for the calibration of seawater refractometers, hydrometers & other density measuring equipment. 35 ppt Salinity1. 0264 Specific Gravity1. 3394 Refractive Index53 uS/cm at 25 deg c
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