HANNA
HANNA HI98319 Salinity Tester for Marine Aquariums
Milwaukee
Milwaukee MA871 digital glucose refractometer with automatic temperature, yellow LED, 0 to 85% Brix, +/- 0.2% accuracy, 0.1% solution
Atago
ATAGO Digital Urea Refractometer PAL-Urea, To measure Urea concentration of Diesel Exhaust Fluid (DEF), also known as AdBlue
Milwaukee
Milwaukee Instruments MA887-BOX Digital Refractometer for Seawater Measurements with Protective Padded Hardshell
Atago
ATAGO PAL-2 Digital Hand-held "Pocket" Refractometer
Atago
【Limited time Sale】ATAGO Official site - PAL-22S Digital Honey Refractometer,Hand-held Refractometer, Honey Moisture Meter for Beekeeper,for Keeping Safe Moisture, for preventing Fermentation.
VeeGee
Vee Gee Scientific STX-3 Handheld Refractometer, with Salinity Scale, 0-100, -1.0 Accuracy, 1.0 Resolution
AUNMAS
Yosoo Refractometers Salinometer, Seawater Salinity Meter Aquarium Optics Refractometer Temperature ATC Digital 0-10% Refractometers Salinometers Aquarium Sea Water Brine Hydrometer Measurement Tool