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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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  • 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
  • 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
    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 Great Gravity Showdown - Homebrew Talk
    The most interesting thing from this result in my mind is how close the measurement was with each Hydrometer when using the Brewers Friend Refractometer Calculator with each refractometer’s respective original measurement
  • 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
  • Thoughts: Hydrometer vs. Refractometer? | Reef2Reef
    A refractometer is likely a better choice than a hydrometer Before the hydrometer crowd jumps in and claims that you can get perfectly good results using a hydrometer too, yes, that's also accurate
  • Calibrating a refractometer with distilled water? | Reef2Reef
    The instructions on my VEEGEE refractometer specifically calls for using distilled water for calibration There are some true seawater refractometers that require distilled water for calibration For those instruments, RO DI is fine
  • Refractometer question - Homebrew Talk
    A refractometer does not read accurately when alcohol is present Fortunately, the equations for conversion to SG numbers are pretty accurate within 0 001-0 002 gravity units as compared with a real hydrometer
  • 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
  • DIY Refractometer calibration fluid | Reef2Reef
    A brine refractometer, which most are, will not read zero correctly if perfectly calibrated to 35 ppt So I expect all is as expected Thank you for that It’s a DD H2ocean refractometer Is that what you would expect from that one?





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