PAL-72S /Atago Digital Hand-Held Pocket Chemical Product Ingredient Refractometer The PAL-72S is designed for measuring sodium tungstate. This refractometer is light & compact, only 100g.
PAL-10S / ATAGO Digital Hand-held "Pocket" urine S. G. refractometer The PAL-10S is a digital hand-held refractometer that measures urine specific gravity.