Best Salinity Refractometer With Internal Light

QIANJINL Salinity Meter Aquarium Hydrometers Salinity Tester Hydrometer Saltwater Aquarium Pool Fish Tank Water Tester Sea Water Salinity Specific Gravity Test(Rectangle)

  • ▶Material: The salinity tester is made of plastic, transparent, robust and durable structure..
  • ▶Simple to use:Keep your hands clean, insert the hydrometer into the water tank or fish pond 15 cm (6 inches) below, avoid air bubbles adhering to the hydrometer during the test..
  • ▶Precision:Accuracy can reach + (-) 0.002 specific gravity units, the highest accuracy is when the water temperature is 18-28 degrees..
  • ▶Safety zone indication: read the specific gravity according to the inner scale, and read the salinity (PPT) according to the outer scale. The safe and healthy proportion of seawater is between 1.020-1.023(ppt value: 27-31 degrees)..
  • ▶Wide Usage:The aquarium hydrometers suitable for measuring salinity in aquariums, fish tank, ponds, pool,etc,can be used for the salinity test of fresh water and sea water..
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SMARTSMITH Car Antifreeze Refractometer °F Dispay 4 in 1 Ethylene Glycol, Propylene Glycol in Antifreeze Liquids Freezing Point Temperature and Freezing Point Concentration, Automotive Battery Liquid

  • °F UINT,US BASED DESIGN:You may already got frustrated with those °C display or not American unit.Unlike most other companies,as a US designed brand,our refractometer designed showing °F,only one unit system.With the indication you may easily know the freezing point of either ethylene glycol or propylene glycol based cooling systems,check the window washer Fluid..
  • 4 IN 1 DISPLAY&EASY TO USE:Ethylene Glycol: -60°F-32°F,Propylene Glycol: -60°F-32°F,Battery SG: 1.100-1.400sg,Urea:30%-35%,Windshield Washer Fluid: Ethanol + water :32°F to -40°F, propylene glycol + water (SRF1): 32°F to -40°F。With the 4 in 1 display,you can master full condition of your car,track.A must have item for your cars.Only takes about 2 drops of solutions to get your readings easily.Designed for simple use,No look up table,only 2 steps ,2 drops and even 1 glances to know your reading..
  • ATC(AUTOMATIC TEMPERATURE COMPENSATION):Handheld antifreeze refractometerr with Automatic Temperature Compensation(ATC),no more worry about the temperature change will influence the reading accuracy.the refractometer will account for changes in ambient temperature and automatically compensate accordingly to provides accurate and repeatable measurements..
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Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Refractometer with Electric Torch, Reflective Index Fluid for Gemologists

  • Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones..
  • Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones..
  • This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI..
  • The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial)..
  • In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face..
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Seawater Salinity Refractometer,V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity

  • Automatic Temperature Compensation: 10℃~30℃.
  • Measuring range: salinity: 0-100 ‰, Specific Gravity : 1.000 to 1.070.
  • Minimum scale: salinity: 1 ‰, Specific Gravity : 0.001.
  • Resolution: salinity: ±1‰, Specific Gravity : 0.001 mm.
  • Perfect for salty water tank and aquarium, seafood water tank, salty pools & spas and etc.
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Anpro Brix Refractometer with ATC, ATC Digital Handheld Refractometer for Wine Making and Beer Brewing, Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32%, Homebrew Kit

  • Wort Refractometer-- It's designed for testing the suger content and specific gravity of liquid. For the brix measurement of ferment for brandy, beer worth, sugar solutions, fruit juice or milk beverages..
  • Accurate Reading-- The Brix refractometer can measure brix between 0-32%±0.2% and Specific Gravity between 1.000-1.130, Brix Accuracy: +/-0.2%..
  • Easy Use-- Automatic Temperature Compensation makes it easier to get fast results. Just need 2-3 drops of solution, you can get accurate readings..
  • Durable-- The main part is made of chromium, it's light but durable..
  • Good Service--If you have any questions after receiving the product, you can contact us anytime. We will patiently answer for you. Until you are satisfied. Please rest assured to buy it..
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Digital Brix Refractometer, Brix Meter for Sugar, Food, Beverage, Fruit, Beer, Honey, Various Sauces, Tomato Sauce and Etc Range 0-55%

  • 【Fast and Accurate Readings】The digital Brix refractometer only needs to drop 2 drops of sample, and then press the measuring key to display the value in 2 seconds. Accurately and quickly measure the refractive index, concentration, and other parameters of various aqueous solutions, avoiding subjectively wrong numerical read. Accuracy ±0.2%/±1℃..
  • 【Precision Optical Instruments】The Brix Meter is a precision optical instrument with a digital LCD display panel. And the Brix refractometer has an automatic temperature compensation function, compensation 10-40°C, which is faster, more accurate, and clearer than traditional handheld refractometers..
  • 【Easy to Use and Carry】One key boot, one key zero-setting, the touch buttons are comfortable and beautiful, only need 2*1.2V AA battery, and the weight is 113g can be easily put in the pocket and can be accurately measured anytime anywhere. Automatic backlight can be measured day or night, easy to read..
  • 【IP65 waterproof 】for the safety of the instrument, the instrument panel and prism part are waterproof, and the solution can be flushed to flow into the instrument (the body is not waterproof, do not soak the body in water). Equipped with a high crystal prism, built-in interference fi....
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ACCURATECH Nautical Brass Bulkhead Wall Light, Retro Wall Sconce Lampshade Fixture Path Light for Marine/ Wall / Ceiling Antique IP64 Waterproof, Lampshade Only

  • Strong Enough, Durable, Anti-Rust—Rustproof forged solid brass construction and S90 glass lightshade, IP64 dustproof and waterproof. Screws included- Easy installation and decoration for home DIY..
  • Spec.: 7.87" x 3.93" x 3.54" Height / Bronze Lacquered. Stain resistant, rainproof and waterproof, strong enough, durable, anti-rust, salinity resistance. Perfect for humid, highly salinity places, and ideal for environments near the sea, on a boat or near the coast..
  • UL & cUL Listed E27 Porcelain Lamp Holder, lightbulb not Included..
  • SPEC.: 250V 660W, 230V~50Hz, Wattage: LED 10W.
  • Decoration Application--Wall, Ceiling, Porch, Passway, Patio, Indoor, Outdoor, Bathroom, Bedroom, Kitchen, Nautical, Marine, Industrial Vintage Style, Wall Mount Light Fixture for retro decoration and atmosphere creation..
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Extech DO700 Portable Dissolved Oxygen Meter

  • Measures dissolved oxygen concentration/saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature.
  • Automatic salinity compensation and manual barometric pressure compensation for DO measurements.
  • One button pH calibration (4, 7, and 10pH).
  • Choice of 3 point pH calibration for better accuracy.
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Antifreeze Refractometer in Fahrenheit, 4-in-1 Anti-Freeze Coolant Refractometer Tester for Checking Freezing Point of Automobile Antifreeze System, Battery Fluid, Glycol, Coolant, Antifreeze Tester

  • 4-in-1 Tester - Measuring Freezing of automoblie antifreeze based on ethylene glycol or propylene glycol -60℉ to 32℉. Measuring Specific Gravity of battery acid 1.10 to 1.40Kg/L. Measuring of Windshield Washer Fluid based on ethanol or isopropyl alcohol -40℉ to 32℉. Measuring Urea Concentration in automobile diesel exhauset fluid (DEF) 30% to 35%.
  • Display In Fahrenheit - Updated antifreeze coolant refractometer in Fahrenheit (℉) display, allow you easy to read measured results by ℉ unit, no need to units conversion and save your time.
  • ATC Function - Coolant refractometer Fahrenheit can automatically compensate temperature when ambient temperature changes, eliminate the deviation, you can get the accurate results fast and easier.
  • Easy To Use - Only need 2 or 3 drops of solution and wait for few seconds, then you get the accurate results. These antifreeze tester needs less sample solution than tradistional hydrometer and less expensive then digital refractometer.
  • Durable And Portable - Antifreeze coolant tester is made of aluminum and ABS rubber, non-staining, anti-rust and stury for long perfermance. Comes with durable plastic box, portable and easy to take with you.
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AMTAST Digital Coolant Refractometer for Car Antifreeze Urea Tester Hand-Held Anti Freeze Refractometer Antifreezing Solution Cleaner

  • Antifreeze Refractometer for car. Designed for measuring coolant and antifreeze based on ethylene glycol or propylene glycol.
  • Requires only a few drops of sample Measurement in 2 seconds.
  • Power off: Meter will power off within one minute if no any operation.
  • With temperature display, freely switch operating. Automatic Temperature Compensation is an absolute necessity for refractometer.
  • Portable and Exquisite, Low power consumption, Anti-loss design.
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