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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
  • 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
  • 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?
  • 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
  • Refractometer | Reef2Reef
    Sorry what i meant is when I use Continuum Refractometer Reagent it says 1 026 however the next two days the refractometer says 1 025 is this a issue ? Are you calibrating, turning the screw on the refractometer, and then the next time it's reading different? If so, that's why you need to calibrate every time you use it
  • 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
  • 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
  • Reef Aquarium Salinity: DIY Calibration Standards | Reef2Reef
    For example, how can a hobbyist use a refractive index standard (such as a solution with a known refractive index of 1 3850) when the refractometer reads in units of specific gravity? This article describes a series of homemade calibration standards that can be made from sodium chloride (table salt) and purified fresh water
  • Refractometer - what am I doing wrong? | Reef2Reef
    I have a refractometer from brs with calibration fluid I have to calibrate before every use as it usually needs it Even from one day to the next I've gotten to the point of double checking calibration afterwards too to be sure it didn't adjust on me again which it has a couple of times





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