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refractometer    
n. 折射计

折射计

refractometer
n 1: measuring instrument for measuring the refractive index of
a substance


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  • Refractometers And Salinity Measurement | Reef2Reef
    Refractometer Calibration Assuming that a refractometer is made correctly for the fluid it is intended to measure, the way to calibrate a refractometer is to put a liquid of known refractive index on it, and adjust the scale’s position by turning the calibration screw (Figure 3) until it reads correctly
  • The Best Refractometer?: My experience with several popular devices
    Since getting into the hobby, I've been down the rabbit hole on salinity specific gravity measuring devices I've had the Hanna HI98319 Salinity Pen, a $20 Amazon White-Label refractometer, the Milwaukee MA887 digital refractometer, a VeeGee STX-3 now the Misco Aquar-H2O digital refractometer
  • HOW DO I USE THIS REFRACTOMETER!? | Reef2Reef
    I have a very expensive, lab quality refractometer that I got for someone who used it for other things It has the following options for readout: BRIX% TA 1990 TA 1971 Oe (GER) Oe KMW Baume which would be best for measuring salinity and how?? I made up saltwater to manufacturer specifications
  • Which refractometer? | Reef2Reef
    Vee Gee Scientific STX-3 Handheld Salinity Refractometer with ATC, Industrial-Grade, 0-100% Salinity Range, 1 000-1 070 Specific Gravity Range, 5-Year Warranty https: a co d 15uuDhd Getting pricey, but quality tester These have gotten too expensive to be relevant for hobbyists imo… hence my Sybon recommendation
  • Refractometers And Salinity Measurement | Reef2Reef
    Refractometers And Salinity Measurement Salinity is one of the most important parameters measured in reef aquaria It controls not only the salt balance between an organism and its surrounding environment, but also the levels of a host of ions in seawater that aquarists neither measure nor
  • DIY Salinity calibration solutions | Reef2Reef
    For a refractometer: Use 3 65 weight percent sodium chloride solution to match 35 ppt (sg = 1 0264) It can be made by dissolving 3 65 grams of sodium chloride in 96 35 grams (mL) of purified freshwater For a rougher measurement in the absence of an accurate water volume or weight measurement: 1 Measure ¼ cup of Morton's Iodized Salt (about
  • Should I use distilled or RODI water to calibrate a handheld . . .
    My RODI water says that my refractometer is a little off However, I usually calibrate with distilled water Should I use distilled or RODI water to calibrate a handheld refractometer?
  • What refractometer to buy? | Reef2Reef
    The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation Each scale is temperature compensated PSU - The newest type scale standard – Letters stand for Practical
  • Reef Aquarium Salinity: DIY Calibration Standards | Reef2Reef
    The effluent typically has a salinity close to aquarium salinity, so if the fluid is not replaced by a similar volume of salt water, the salinity will decline This large skimmer is on the system of Reef2Reef member WVNed Refractometer Standard It is widely believed that only pure water is required to calibrate refractometers
  • Reading a refractometer after fermentation - Homebrew Talk
    Hello homebrew community! I've been brewing for about a year now and I keep running into the same problem: reading my refractometer during after fermentation Here are some things I understand: 1 Refractometer readings need to be adjusted when alcohol is present 2 Final readings are best





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