Collections

Agriculture & Forestry

More Agriculture & Forestry ›

$127 Vee Gee BTX-1 0-32% Brix Refractometer with ATC 43002 VeeGee

$ 127⁰⁰ Save $ 33

$160 0-80% HD Brix Refractometer Maple Syrup Jam Sorbet Italian Ice Sauces Candy

$ 160⁰⁰ Save $ 27

$28.99 30.3% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 50.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 79.7% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

Antifreeze Refractometers

More Antifreeze Refractometers ›

$$169.99 ATC Lighted Glycol Antifreeze LED Refractometer Tester, Celsius$

$169.99 ATC Lighted Glycol Antifreeze LED Refractometer Tester, Celsius

$ 169⁹⁹

$169.99 ATC Lighted Glycol Antifreeze LED Refractometer Tester, Fahrenheit

$ 169⁹⁹

$Glycerin Refractometer$

$179.99 GRL-100, 0-100% Glycerin in Water; Antifreeze Glycerine w/ Lighted Daylight Plate

$ 179⁹⁹ Save $ 245

$205 Hanna HI96831 Digital Ethylene Glycol Refractometer HI 96831 Antifreeze

$ 205⁰⁰

$Misco Glycol Refractometer$

$249.99 MISCO 7084VP PG & EG Glycol Antifreeze Refractometer Tester 'F

$ 249⁹⁹

Beer & Wine Making

More Beer & Wine Making ›

$160 0-80% HD Brix Refractometer Maple Syrup Jam Sorbet Italian Ice Sauces Candy

$ 160⁰⁰ Save $ 27

$26.99 0-32.0% Brix & 1.000-1.130 Wort Must SG Refractometer Beer

$ 26⁹⁹ Save $ 38

$28.99 30.3% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 50.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 79.7% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

Beverage Refractometers

More Beverage Refractometers ›

$160 0-80% HD Brix Refractometer Maple Syrup Jam Sorbet Italian Ice Sauces Candy

$ 160⁰⁰ Save $ 27

$26.99 0-32.0% Brix & 1.000-1.130 Wort Must SG Refractometer Beer

$ 26⁹⁹ Save $ 38

$28.99 30.3% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 50.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 79.7% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

BOSS Refractometers

More BOSS Refractometers ›

$Boss Coffee Refractometer$

$89.99 TDS Coffee Tea & Espresso Refractometer Brix, Cold Press

$ 89⁹⁹

$28.99 79.7% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$Glycerin Refractometer$

BOSS BGR-200 Professional Grade 0-100% Glycerin Antifreeze Refractometer

$ 179⁹⁹

$28.99 50.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$Colostrum Refractometer$

$89.99 Boss 0-32.0% Professional Brix Colostrum IgG Refractometer BIG PRINT

$ 89⁹⁹

De-Icing Equipment

More De-Icing Equipment ›

$Glycerin Refractometer$

$179.99 GRL-100, 0-100% Glycerin in Water; Antifreeze Glycerine w/ Lighted Daylight Plate

$ 179⁹⁹ Save $ 245

$232 REFURBISHED ATAGO Master-S28M 0-28% Salinity (NaCl in water) Brine Salt

$ 282⁰⁰

$282 ATAGO Master-S28M 0-28% Salinity (Sodium Chloride in water) Brine

$ 282⁰⁰

$424.99 Atago PAL-a Alpha Digital ABBE 0-85% Brix Refractometer Maple Syrup Sap

$ 424⁹⁹

$Misco Brine Refractometer$

$439.99 Misco Digital Salinity Refractometer Sodium Chloride Salt Brine Celsius

$ 439⁹⁹ Save $ 5.01

Farming & Agriculture

More Farming & Agriculture ›

$160 0-80% HD Brix Refractometer Maple Syrup Jam Sorbet Italian Ice Sauces Candy

$ 160⁰⁰ Save $ 27

$232 REFURBISHED ATAGO Master-S28M 0-28% Salinity (NaCl in water) Brine Salt

$ 282⁰⁰

$28.99 30.3% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 50.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 79.7% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

Fish & Aquariums

More Fish & Aquariums ›

Sold Out

$345 HI96786 Nitrate Checker Photometer, Hanna Instruments

$ 345⁰⁰

$Sea Side Aquatics Refractometer$

$39.99 Sea Side Aquatics Refractometer Measures Salinity Saltwater Aquarium

$ 39⁹⁹

$Salinity Refractometer$

$44.99 Ocean Salinity Refractometer for Aquarium Sea Reef Water Heavy Duty, Dual Scale

$ 44⁹⁹

$Red Sea Refractometer$

$49.99 Red Sea Seawater Salinity Refractometer

$ 49⁹⁹ Save $ 15

Sold Out

(2) Hanna HI 775-26 Checker Fresh Water Alkalinity Reagent - (50) Tests

$ 56⁵⁰

Fish Pond Supplies

More Fish Pond Supplies ›

Automatic Solar Koi Carp Fish Feeder, Small

$ 154⁹⁹

Sold Out

Hanna HI 775-26 Checker Fresh Water Alkalinity Reagent - (25) Tests

$ 26⁰⁰

Hungry Koi Automatic Pond Feeder, Carp, Kitchen, Cafe, Fish

$ 169⁹⁹ Save $ 80

NI Supply Gift Card - Give the Gift of Refractometers!

$ 10⁰⁰

Gemological Tools

More Gemological Tools ›

$1.79nD Gem Refractometer Fluid$

$12.00 Chinese Made 1.79 GEM Gemstone Refractometer Refractive Index Fluid Liquid

$ 12⁰⁰

$Gem Refractive Index Fluid$

$19.99 1.800 12 Gram Gem Gemstone Refractometer Refractive Index Fluid Liquid

$ 19⁹⁹

$1.800nD Refractive Index Fluid$

$29.99 1.800 Refractive Index Fluid Gem Gemstone Refractometer 3.6ml Vial

$ 29⁹⁹

$Gem Refractometer Liquid$

$71 10 Gram Gem Gemstone Refractometer Refractive Index Fluid 1.81 nD

$ 71⁰⁰

$Gem Refractive Index Fluid$

$89 GEM Gemstone Refractometer Refractive Index Fluid 1.81nD 15 Gram Vial

$ 89⁰⁰ Save $ 23

Hanna Instruments

More Hanna Instruments ›

Brix Refractometer - Brix Scale - 0 to 56 Brix - MISCO PA201 - NO ARMOR JACKET

$ 354⁹⁹

Hanna HI 701 Checker Free Chlorine Photometer HI701 w/ HI701-25

$ 69⁰⁰ Save $ 20

Hanna Instruments FC202D pH electrode for Dairy Products HI99161 FREE S&H

$ 179⁰⁰

Hanna HI1270 Replaceable Probe Electrode for HI98103 Checker pH Meter

$ 27⁰⁰ Save $ 8

Sold Out

(2) Hanna HI 775-26 Checker Fresh Water Alkalinity Reagent - (50) Tests

$ 56⁵⁰

Honey, Syrup & Sweeteners

More Honey, Syrup & Sweeteners ›

$160 0-80% HD Brix Refractometer Maple Syrup Jam Sorbet Italian Ice Sauces Candy

$ 160⁰⁰ Save $ 27

$Honey Refractometer$

$169.99 LED ATC 58-90% Brix Refractometer, Honey Moisture, Specific Gravity Bees

$ 169⁹⁹ Save $ 70

$$19 1.4860nD Refractive Index Calibration Fluid Refrigeration Oil Refractometer$

$19 1.4860nD Refractive Index Calibration Fluid Refrigeration Oil Refractometer

$ 19⁰⁰ Save $ 25

$Kruss Refractometer$

$306 Krüss HR901 1.333-1.517 Refractive Index Refractometer

$ 306⁰⁰ Save $ 144

$330.99 USED Misco BKPR-1 Digital Honey Refractometer 13-30% Honey Moisture

$ 330⁹⁹ Save $ 29

Jams, Jellies & Preserves

More Jams, Jellies & Preserves ›

$160 0-80% HD Brix Refractometer Maple Syrup Jam Sorbet Italian Ice Sauces Candy

$ 160⁰⁰ Save $ 27

$28.99 30.3% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 50.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$28.99 79.7% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

Sold Out

$345 Atago PAL-1 Digital 0-53% Brix Refractometer 32 w/ PAL-CASE

$ 345⁰⁰ Save $ 20

Lab & Life Science Equipment

More Lab & Life Science Equipment ›

$127 Vee Gee BTX-1 0-32% Brix Refractometer with ATC 43002 VeeGee

$ 127⁰⁰ Save $ 33

$199 HI96742 Iron Low Range and Manganese Low Range Portable Photometer

$ 199⁰⁰ Save $ 36

$205 Hanna HI96831 Digital Ethylene Glycol Refractometer HI 96831 Antifreeze

$ 205⁰⁰

Sold Out

$28.99 Hanna TDS1, TDS Meter Tester, PPM DI RO Filter Water

$ 28⁹⁹ Save $ 11

Sold Out

$345 Atago PAL-1 Digital 0-53% Brix Refractometer 32 w/ PAL-CASE

$ 345⁰⁰ Save $ 20

Lab Equipment Cleaning

More Lab Equipment Cleaning ›

$18 Hanna HI7061L pH Meter General Purpose Cleaning Solution 500ml Bottle

$ 18⁰⁰

Hanna HI70642L Cleaning Solution for pH electrodes, Food Deposits, 500mL

$ 29⁹⁹

HI 700642P Cleaning solution for Cheese Deposits 20ml pouches

$ 1⁵⁰

MISCO Rubber Armor Jacket Case for Misco Palm Abbe Refractometer VST Brix

$ 34⁹⁹

NI Supply Gift Card - Give the Gift of Refractometers!

$ 10⁰⁰

Manufacturing & Metalworking

More Manufacturing & Metalworking ›

$232 REFURBISHED ATAGO Master-S28M 0-28% Salinity (NaCl in water) Brine Salt

$ 282⁰⁰

$Misco Glycol Refractometer$

$249.99 MISCO 7084VP PG & EG Glycol Antifreeze Refractometer Tester 'F

$ 249⁹⁹

$282 ATAGO Master-S28M 0-28% Salinity (Sodium Chloride in water) Brine

$ 282⁰⁰

$299.99 Atago PAL-1 Digital 0-53.0% Brix Refractometer 32

$ 299⁹⁹ Save $ 45

$Colostrum Refractometer$

$339.99 Misco PA201 0-56% Brix Refractometer, Milk Colostrum, Made in USA

$ 339⁹⁹ Save $ 10

Microscope Parts & Accessories

More Microscope Parts & Accessories ›

16oz Microscope Immersion Oil A, 1.5180nD Refractive Index Non-Drying Microscopy

$ 49⁰⁰ Save $ 18

1oz Microscope Immersion Oil A, 1.5180nD Refractive Index Non-Drying Microscopy

$ 11⁰⁰ Save $ 1.75

1oz Microscope Immersion Oil B, 1.5180nD Refractive Index, Non-Drying for Microscopy

$ 11⁰⁰

Disc Polarimeter Sodium (Na) Lamp, Replacement Light Bulb

$ 55⁰⁰ Save $ 80

Sold Out

$Everpure Mineral Oil Refractometer Brix 10 ~ 19%$

Everpure Mineral Oil Refractometer Brix 10 ~ 19%

$ 50⁰⁰

Milwaukee Instruments

More Milwaukee Instruments ›

Brix Refractometer - Brix Scale - 0 to 56 Brix - MISCO PA201 - NO ARMOR JACKET

$ 354⁹⁹

$129.00 MILWAUKEE INSTRUMENTS MA887 Digital Seawater Refractometer, MA887-BOX

$ 165⁰⁰

Sold Out

$17.95 MILWAUKEE INSTRUMENTS pH600-AQ pH Tester with 1 point manual calibration

$ 17⁹⁵ Save $ 2

$99.99 MILWAUKEE INSTRUMENTS MA887 Digital Seawater Refractometer, MA887 REFURBISHED

$ 99⁹⁹ Save $ 30

NI Supply Gift Card - Give the Gift of Refractometers!

$ 10⁰⁰

pH Meter and pH Buffer

More pH Meter and pH Buffer ›

$18 Hanna HI7061L pH Meter General Purpose Cleaning Solution 500ml Bottle

$ 18⁰⁰

$189.99 Hanna HI 98111 Piccolo pH Meter Tester HI98111 +/-0.01

$ 189⁹⁹

10.00pH Meter Calibration Buffer Solution - 10.00 pH 4oz (4 ounces)/120ml Bottle

$ 9²⁵

3-Pack pH Meter Calibration Buffer Solution - 4, 7 + 10pH - 4oz/125ml Bottles

$ 18⁵⁰ Save $ 3.97

4.00pH Meter Calibration Buffer Solution - 4.00 pH 4oz (4 ounces)/120ml Bottle

$ 9²⁵

Refractometer Accessories

More Refractometer Accessories ›

$2.99 10pcs 3mL Plastic Pipette for Refractometer, Salinity Brix Wort Honey Clinical Abbe

$ 2⁹⁹

$$28.99 MISCO Atago Case for Palm Abbe VST PAL Refractometers IP67$

$28.99 MISCO Atago Case for Palm Abbe VST PAL Refractometers IP67

$ 28⁹⁹ Save $ 5.96

Sold Out

$Misco Refractometer Case$

$34.99 MISCO Rugged Case for Misco Palm Abbe & VST Digital Refractometers IP67

$ 34⁹⁹

$Gem Refractive Index Fluid$

$89 GEM Gemstone Refractometer Refractive Index Fluid 1.81nD 15 Gram Vial

$ 89⁰⁰ Save $ 23

Economy Dry Box Case for Misco, VST, and Atago PAL Digital Refractometers

$ 19⁰⁰

Reichert Refractometers

More Reichert Refractometers ›

Brix Refractometer - Brix Scale - 0 to 56 Brix - MISCO PA201 - NO ARMOR JACKET

$ 354⁹⁹

Reichert Rhino Duo-Chek DC60 Ethylene Propylene Glycol Celsius 137564LO

$ 225⁰⁰

$Goldberg TS Refractometer$

$899 Reichert Goldberg Clinical Handheld TS Meter Refractometer w/ Stand

$ 899⁹⁹ Save $ 459

Sold Out

$Reichert Rhino Duo-Chek 70 Coolant / Battery Analog Refract Reichert 137584G0$

Reichert Rhino Duo-Chek 70 Coolant / Battery Analog Refract Reichert 137584G0

$ 89⁹⁹

Sold Out

$Reichert Rhino Series Handheld Brix Refractometer; 0 to 50%, 137531LO, Brix50$

Reichert Rhino Series Handheld Brix Refractometer; 0 to 50%, 137531LO, Brix50

$ 179⁹⁹

Spare Electrode Probes

More Spare Electrode Probes ›

$195 Hanna HI1131P Refillable, combination pH electrode

$ 195⁰⁰

Hanna HI 1285-5 Spare Electrode for Greenhouses, Hydroponics Environmental Monitoring

$ 142⁰⁰

Hanna HI1297D pH/ORP electrode, HI 1297D

$ 295⁰⁰

Hanna HI73127 Electrode (spare), pH Electrode with Pin Connection 0-14pH

$ 73⁷⁵

Hanna Instruments FC202D pH electrode for Dairy Products HI99161 FREE S&H

$ 179⁰⁰

Veterinary and Clinical Refractometers

More Veterinary and Clinical Refractometers ›

$s2020 Refractometer$

$139.99 LIGHTED ATC Clinical HYDRATION Refractometer for Veterinarians LED

$ 139⁹⁹

$$359.99 Atago PAL-10S, Digital Clinical Specific Gravity Refractometer, Urine Refurbished$

$359.99 Atago PAL-10S, Digital Clinical Specific Gravity Refractometer, Urine Refurbished

$ 359⁹⁹ Save $ 47

$JorVet Clinical Refractometer$

$79.99 Professional ATC Clinical Refractometer for Hydration Vets Veterinarians

$ 79⁹⁹ Save $ 124

$Goldberg TS Refractometer$

$899 Reichert Goldberg Clinical Handheld TS Meter Refractometer w/ Stand

$ 899⁹⁹ Save $ 459

$Atago Digital Dairy Milk Colostrum Refractometer, 0.0-85% Brix Pen$

Atago Digital Dairy Milk Colostrum Refractometer, 0.0-85% Brix Pen

$ 515⁹⁹ Save $ 194