à¤Ã×èͧÇÑ´¤ÇÒÁà¤çÁ Salinity Refractometer à¤Ã×èͧ·´Êͺ¤ÇÒÁà¢éÁ¢é¹¢Í§à¡Å×Íã¹¹éÓ ãªé㹡ÒÃà¾ÒÐàÅÕé§ÊѵÇì·ÐàÅ àªè¹ ¡Øé§ ËÍ »Ù »ÅÒ ËÃ×;ת à¤Ã×èͧÇÑ´¤ÇÒÁà¤çÁ MASTER-S/MillM Salinity Refractometer This instrument measures the salinity and specific gravity of seawater, and utilizes a new material that is durable against salty samples, The salinity of seawater is displayed in parts per mill (‰). The MASTER-S/MillM is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Specifications Model MASTER-S/MillM Cat.No. 2493 Scale Salinity Specific gravity Measurement Range Salinity : 0 to 100‰ Specific gravity : 1.000 to 1.070 Minimum Scale Salinity : 1‰ Specific gravity : 0.001 Dimensions & Weight 3.2×3.4×20.7cm, 110g Options * Calibration Certificate : Contact an ATAGO representative for details. Parts · Milky White Daylight Plate : RE-2471-56M Atago MASTER-S/MillM Salinity Refractometer Salt Meter à¤Ã×èͧÇÑ´¤ÇÒÁà¢éÁ¢é¹¢Í§à¡Å×Í à¤Ã×èͧÇÑ´¤ÇÒÁà¤çÁ