美國Extech折射儀(Refractometers)
美國Extech中國代理商：上海益朗儀器有限公司
美國Extech折射儀（Refractometers）
美國Extech中國代理商：上海益朗儀器有限公司
| RF16 - Portable Sucrose Brix Refractometer （0 to 10%） Measures the concentration of sugar in fruit juice and industrial fluids |
| RF11 - Portable Sucrose Brix Refractometer （0 to 10%） with ATC Measures the concentration of sugar in fruit juice and industrial fluids |
| RF18 - Portable Brix Refractometer （0 to 18%） Measures the brix concentration in lubricants and cutting fluids |
| RF12 - Portable Brix Refractometer （0 to 18%） with ATC Measures the brix concentration in lubricants and cutting fluids |
| RF10 - Portable Sucrose Brix Refractometer （0 to 32%） Measures the concentration of sugar in fruit juice and industrial fluids |
| RF15 - Portable Sucrose Brix Refractometer （0 to 32%） with ATC Measures the concentration of sugar in fruit juice and industrial fluids |
| RF20 - Portable Salinity Refractometer （0 to 100ppt） with ATC Measures the concentration of dissolved salt in fluids |
| RF40 - Portable Battery Coolant/Glycol Refractometer with ATC （°F） Measures the freezing point of coolants and concentration of Ethylene/Propylene Glycol |
| RF41 - Portable Battery Coolant/Glycol Refractometer with ATC （°C） Measures the freezing point of coolants and concentration of Ethylene/Propylene Glycol |
| RF30 - Triple Range Sucrose Brix Refractometer （0 - 41%, 42 - 71%, 72 - 90%） |
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