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Digital Seawater...

$199.00
Drs. Foster & Smith Digital Seawater Refractometer 7-1/2 x 4 x 2-5/8
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Drs. Foster & Smith
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Digital refractometer for extremely fast and accurate results Optical device measures refractive index of marine aquarium water Displays result in PSU, salinity or specific gravity units in just seconds Measuring salinity of marine aquariums does not get any easier OR faster than this! Now professional measurement is as simple as dripping sample water onto the prism surface and pressing the READ key. In less than 2 seconds, this outstanding precision device will display the results in clear, digital numbers on the LCD screen. Dual-level LCD shows measurements in Practical Salinity Units (PSU), Salinity in Parts Per Thousands (PPT) or Specific Gravity S.G. (20/20). Automatically compensates for temperature for accurate research-grade analysis. Rugged, water-resistant unit boasts compact... Less
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Digital Seawater...

$199.00
Drs. Foster & Smith Digital Seawater Refractometer 7-1/2 x 4 x 2-5/8
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Drs. Foster & Smith
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Digital refractometer for extremely fast and accurate results Optical device measures refractive index of marine aquarium water Displays result in PSU, salinity or specific gravity units in just seconds Measuring salinity of marine aquariums does not get any easier OR faster than this! Now professional measurement is as simple as dripping sample water onto the prism surface and pressing the READ key. In less than 2 seconds, this outstanding precision device will display the results in clear, digital numbers on the LCD screen. Dual-level LCD shows measurements in Practical Salinity Units (PSU), Salinity in Parts Per Thousands (PPT) or Specific Gravity S.G. (20/20). Automatically compensates for temperature for accurate research-grade analysis. Rugged, water-resistant unit boasts compact... Less
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Marine Depot Aquarium...

$49.99
MarineDepot.com Marine Depot Aquarium Refractometer
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MarineDepot.com
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The Refractometer is a must have for all aquarium hobbyists. The proper salinity is crucial for the survival and health of your fish and corals.This high quality refractometer is extremely accurate and easy to use and calibrate. Calibration is simply done with a few drops of distilled water. This model also features ATC (automatic temperature compensation). Adjustable eyepiece Carrying case Pipette Calibration screw driver Range for Testing: 0-28% Division: 0.
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REICHERT 13940014 Digital...

$407.34
Zoro REICHERT 13940014 Digital Refractometer, Accuracy 0.5 Deg.
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Zoro
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Digital Refractometer, Automatic Digital, Range 32 deg to 70 deg F Ethylene Glycol, 32 deg to 60 deg F Propylene Glycol, 1.0001.463 Battery Electrolyte SG, 32 deg to 65 deg F Windshield Fluid, Automatic Temperature Compensation Y, Accuracy 0.5 deg F Glycol, 0.003 SG battery electrolyte, 2 deg F Winshield Fluid, Resolution 0.5 deg F Glycol, 0.003 SG battery electrolyte, 2 deg F Windshield Fluid
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Milwaukee Seawater Digital...

$114.49
MarineDepot.com Milwaukee Seawater Digital Refractometer
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MarineDepot.com
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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. 1. PSU - The newest type scale standard - Letters stand for Practical Salinity Units and is fast become the universal standard for seawater measurement 2. ppt - The old standard of Parts Per Thousand of saturated salt.
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Milwaukee Instruments...

$119.99
Drs. Foster & Smith Milwaukee Instruments Seawater Digital Refractometer Seawater Digital Refractometer (Mfg# MA 887)
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Drs. Foster & Smith
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Make routine salinity measurement in marine aquariums extremely fast and easy. Milwaukee Instruments Seawater Digital Refractometer is a precision digital refractometer that displays test results in approximately 1.5 seconds! Smartly priced unit is great for all saltwater aquarium hobbyists, beginner or experienced, that require precision marine aquarium testing. For use with all marine (saltwater) aquariums and brackish setups. Milwaukee Instruments Seawater Digital Refractometer measures and displays temperature compensated results in Practical Salinity Units (PSU), Salinity in parts per thousand (ppt), or Specific Gravity (S.G. (20/20)). Professional optical instrument delivers the highest accuracy possible for the measurement of these three seawater specific scales for a much more... Less
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General Tools Ref113atc...

$102.95
Global Industrial General Tools Ref113atc Hand-Held Refractometer - High Range Brix 0-32%
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Global Industrial
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Hand-Held Refractometer - High Range Brix 0-32% All refractometers have a metal body w/ cushioned eyepiece, a rubber hand grip, and a calibration screen. Included with each is a calibration screwdriver, a plastic pipette and a carrying case. High Range Brix 0-32%For ATC, industrial fluids, fruit juice and soft drinksIncludes: Calibration ScrewdriverPlasti c PipetteCarrying Case 9.00 L. 3.13 W. 2.38 H.
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REICHERT 137528L0...

$132.03
Zoro REICHERT 137528L0 Refractometer, High Precision, Accuracy 2
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Analog Refractometer, High Precision, Alog Manual, Range 0200 Oe, 045 Brix, 040 KI, Automatic Temperature Compensation Y, Accuracy 2.0 Oe, 0.5 Brix, 0.5 KI, Resolution 2.0 Oe, 0.5 Brix, 0.5 KI, Function Wine Concentration, Solids, Features Ip67 Water Resistant And Dustproof Design In Durable Sealed Body, Length 9.7, Width 1.5, Height 1.5, Dia. 1.5, Manufacturers Warranty Length 12 Months
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Red Sea Seawater Refractometer

$59.99
MarineDepot.com Red Sea Seawater Refractometer
+ $6.99 shipping
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MarineDepot.com
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High Accuracy Seawater Refractometer! Red Sea's Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25øC/77øF. Most refractometers used within the aquarium hobby are not specifically designed for reef aquariums and use an algorithm for the measurement of brine (NaCl - rather than seawater) and at a temperature of 15øC/59øF rather than 25øC/77øF. Thus, a measurement deviation of up to 1.
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Extech Battery Coolant/Glycol...

$99.99
Northern Tool Extech Battery Coolant/Glycol Refractometer - Model RF40
+ $5.99 shipping
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Northern Tool
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Automotive coolant refractometer measures the freezing point of coolants plus battery charge condition. Requires only a few drops of solution to use. Measures the freezing point of coolants Measures battery charge condition Provides accurate and repeatable measurements of ethylene glycol and propylene glycol and F on easy to read scale Propylene range -60F 63 to 32F 12 Glycol range -60F 59 to 25F 16 Specific gravity of battery acid 1.15 to 1.30 Automatic temperature compensation Requires only 2 to 3 drops of solution Prism and lens with a simple focus adjustment provides repeatable results Includes calibration screwdriver, calibration solution and case Model RF40 1-year limited warranty. Model Number: RF40
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General Tools Ref500cot...

$90.95
Global Industrial General Tools Ref500cot Hand-Held Refractometer - Oil, Water & Fluid
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Global Industrial
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Hand-Held Refractometer - Oil, Water & Fluid Cutting and grindingCoolantsO il/water concentrationsFlu id/water ratiosCleaning solutionsFire extinguishersChro mating solutionsPlating and acid bathsAnodizing solutionsIncludes : Calibration ScrewdriverPlasti c PipetteCarrying Case 8.63 L. 3.00 W. 2.00 H.
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Central Refractometer

$58.36
Walmart.com Central Refractometer
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Walmart.com
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ZTZ1020 Features Refractometer Protect your engine block from damage Product Type: Meters Dimensions Overall Product Weight: 1 Pounds
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REICHERT 13740000...

$485.43
Zoro REICHERT 13740000 Refractometer, Heavy Duty,Accuracy 0.001 G4626571
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Analog Refractometer, Heavy Duty, Alog Manual, Range 1.0001.050 USG, 0.012.0 g/100 mL, 1.33301.3570, Automatic Temperature Compensation Y, Accuracy 0.001 USG, 0.2 g/100 mL, 0.0004, Resolution 0.001 USG, 0.2 g/100mL, 0.0001, Function Clinical Serum Protein And Urine Specific Gravity Measurement, Features High Precision Temperature Compensation Roller Bearing Mechanism, Length 8.2, Width 1.9, Height 1.8, Dia. 1.5, Includes Durable Storage Case, Manufacturers Warranty Length 12 Months
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ATAGO 2311 Analog...

$281.91
Zoro ATAGO 2311 Analog Refractometer,8 in. L,ATC G9620852
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Analog Refractometer, Hand Held, Range 0 to 33 Percent, Automatic Temperature Compensation Y, Accuracy +/0.2 Percent, Resolution 0.1 Percent, Function Brix, Features Water Resistant, Automatic Temperature Compensation, Length 8 In., Width 111/32 In., Height 117/64 In., Manufacturers Warranty Length 24 Months
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Marine Depot Aquarium Pro...

$64.99
MarineDepot.com Marine Depot Aquarium Pro Refractometer
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MarineDepot.com
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Designed specifically for aquarium use to measure the salinity of natural sea water (NSW). Most handheld saltwater refractometers available in the hobby are designed and calibrated for testing brine solution, i.e. sodium chloride, and are not calibrated for the refractive index of natural sea water.
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ATAGO 4403 Digital...

$374.84
Zoro ATAGO 4403 Digital Refractometer, ATC,211/64 in. W G9620597
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Digital Refractometer, Hand Held, Range 0 to 28 Percent, Automatic Temperature Compensation Y, Accuracy +/0.2 Percent, Resolution 0.1 Percent, Function Sodium Chloride, Features Water Resistant IP65, Ideal for Measuring DeIcing Fluids, Brines, Salt Water, Length 419/64 In., Width 211/64 In., Height 17/32 In., Manufacturers Warranty Length 24 Months
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Liquidynamics Diesel Exhaust...

$759.99
Northern Tool Liquidynamics Diesel Exhaust Fluid Refractometer, Model 195605
+ $9.49 shipping
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Northern Tool
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Liquidynamics Diesel Exhaust Fluid Refractometer is a simple means of checking DEF quality in the field. It has two electronic digital scales that provide readings of urea concentration as a percent of weight or refractive index. U.S.A. Dimensions L x W x H in. 6 x 12 x 4. Helps meet ISO 222241-1. Model Number: 195605
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ATAGO 2340 Analog...

$752.07
Zoro ATAGO 2340 Analog Refractometer,0 to 90,Brix G9620326
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Analog Refractometer, Hand Held, Range 0 to 90 Percent, Automatic Temperature Compensation N, Resolution 0.2 Percent, Function Brix, Features Brix, Wide Range, Three Step Scale, Length 77/8 In., Width 137/64 In., Height 137/64 In., Manufacturers Warranty Length 24 Months
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Portable Handheld Polariscope...

$22.00
eBay Portable Handheld Polariscope Gems Gemstone Tools Gemvue Gem Vue
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A polariscope is one of a series of tools that facilitates the process of gemstone and mineral identification. It is used in conjunction with other gemological tools to narrow the range of possibilities. The primary purpose of a polariscope is the determination of optic character. Gemstones (and minerals) commonly exhibit different structural forms. Some may be singly refractive, doubly refractive, or an aggregate of numerous microscopically small crystals. Each of these structures responds dif
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TEST PRODUCTS INTL. 395...

$89.45
Walmart.com TEST PRODUCTS INTL. 395 REFRACTOMETER
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REFRACTOMETER Features Item : Refractometer Type : Hand-Held
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Salinity Refractometer - Ref...

$69.99
eBay Salinity Refractometer - Ref 211
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Heavy-Duty Portable Salinity Refractometer Ranges: 0-100 ppt of NaCl and 1.000 to 1.070 Specific Gravity Accuracy: +/- 1 ppt / 0.001 Specific Gravity Divisions: 1 ppt / 0.001 Specific Gravity Built-In Automatic Temperature Compensation Sturdy design, made of Aluminum Packing List Hand held refractometer x 1 Cleaning cloth x 1 Suction tube for dropping test fluids onto the prism x 1 Mini screwdriver for scale calibration x 1 Carrying case with belt loop x 1 Distilled water for calibration User M
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Milwaukee Seawater Digital...

$146.99
MarineDepot.com Milwaukee Seawater Digital Refractometer with Protective Hardshell Case
+ $8.99 shipping
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MarineDepot.com
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Milwaukee Seawater Digital Refractometer with Protective Hardshell Case 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. 1. PSU - The newest type scale standard - Letters stand for Practical Salinity Units and is fast become the universal standard for seawater measurement 2.
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Portable Refractometer 0-100...

$44.99
Drs. Foster & Smith Portable Refractometer 0-100 ppt salinity and 1.000-1.070 specific gravity
+ $5.99 shipping
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Drs. Foster & Smith
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Test concentration of salt in several aquariums with this portable, economical, and lightweight refractometer. Featuring the same accuracy as more expensive models, this optical device provides a direct reading of specific gravity and salinity in water. Requires no batteries and automatically compensates for temperature. Temperature Correction: Automatic from 50-86 degreeF (10-30 degreeC) Reading: Dual scale, 0-100 ppt salinity and 1.000-1.070 specific gravity Weight: 10 oz. Warranty: 6-month manufacturer's warranty. Pinpoint 53.0 mS Calibration/Refer ence Fluid sold separately. Please click on More Information for maintenance instructions. Why do you need a Portable Refractometer? Professional testing device at an affordable price - easiest and most accurate way to measure salinity and... Less
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Handheld Refractometer,...

$92.88
eBay Handheld Refractometer, Glycol Tester (1 Per Quantity)
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The most accurate way of testing the concentration of acid and ethylene glycol or propylene glycol levels in antifreeze is with a refractometer. The refractometer uses just one drop of solution and allows the inspection of battery charge. Handheld refractometer comes complete with screwdriver eyedropper and padded case. Has an adjustable lens focus and a calibration adjustment screw. Reads in both Fahrenheit and Centigrade. Powered by eBay Turbo Lister The free listing tool. List your items fas
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Oe Tester Refractometer

$59.99
eBay Oe Tester Refractometer
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Range: Brix: 0-32% Oechsle: 0-140'Oe KMW: 0-25'Min.Div. Brix: 0.2% Oechsle: 1.0'Oe KMW: 0.2'Accuracy: Brix: +/-0.2% Oechsle: +/-1.0'Oe KMW: +/-0.2'Without ATC ONE YEAR WARRANTY
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BALDWIN FILTERS CTK5028...

$400.72
Zoro BALDWIN FILTERS CTK5028 Correcting Refractometer, CTK5028 G5554656
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Correcting Refractometer, For Use With Measures Ethylene and Propylene Glycol Based Fluids, Includes Internal Light Source, Syringe Dip Stick
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Westward 1EFX8 Refractometer

$159.98
Walmart.com Westward 1EFX8 Refractometer
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Refractometer, Handheld, Includes Screwdriver, Eyedropper, and Padded Case Features Includes : Screwdriver, Eyedropper, and Padded Case Type : Handheld Item : Refractometer Accuracy : - Depth (In.) : - Height (In.) : - Width (In.) : - Construction : - Display : - Probe : - Resolution : - Manufacturers Warranty Length : - Cold Cranking Amps : - Works With : - Load Ranges : -
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Red Sea Seawater Refractometer

$74.08
eBay Red Sea Seawater Refractometer
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Red Sea Seawater Refractometer Item Description Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25oC/77 0F. Most refractometers used within the aquarium hobby are not specifically designed for reef aquariums and use an algorithm for the measurement of brine (NaCl – rather than seawater) and at a temperature of 15oC/59 0F rather than 25oC/77 0F. Thus, a measurement deviation of up to 1.5ppt is possible, which c
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GENERAL REF201 Refractometer,...

$103.96
Walmart.com GENERAL REF201 Refractometer, Salinity, 0 to 100 Pct
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Refractometer, Type Salinity, Range 0 to 100 Percent (Salinity), Auto Temp. Compensation No, Accuracy +/-0.1 Pct, Resolution 0.1 Pct, Length 6.2 In., Dia. 1.8 In., Includes Calibration Screwdriver, Plastic Pipette and Carrying Case, Manufacturers Warranty Length 1 yr. Features Accuracy : +/-0.1% Dia. : 1.8 Features : Metal Body, Rubber Hand Grip Blocks Hand Heat, Calibration Screen, Cushioned Rubber Eyepiece, For Seawater and Brine Includes : Calibration Screwdriver, Plastic Pipette and Carrying Case Item : Refractometer Length : 6.2 Type : Salinity Function : Measures the Concentration of An Aqueous Solution By Measuring Its Refractive Index Range : 0% to 100% (Salinity) Resolution : 0.1% Manufacturers Warranty Length : 1 yr. Automatic Temperature Compensation : No
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OTC Tools - (OTC5025) OTC DEF...

$80.99
ToolTopia.com OTC Tools - (OTC5025) OTC DEF Refractometer # 5025, Coolant Refractometer
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ToolTopia.com
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SCR and EPA 2010 EPA regulations require all diesel engines manufactured on or after January 1, 2010 to meet lowered NOx emissions standards. Most heavy duty engine (Class 7-8 trucks) manufacturers, have chosen to utilize SCR. This Includes Detroit Diesel (DD13, DD15, and DD16 models), Cummins (ISX line), PACCAR, and Volvo/Mack. SCR-equipped engines require the periodic addition of Diesel Exhaust Fluid (DEF, a urea solution) to enable the process. DEF is available in a bottle from most truck stops, and some have installed bulk DEF dispensers near the Diesel Fuel pumps. However, to ensure the proper operation of the SCR system, operators must ensure the DEF in their vehicle consists of a 32.5% Urea / Water solution. The OTC 5025 makes this a simple and quick process for an operator or... Less
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GENERAL REF202 Refractometer,...

$77.70
Walmart.com GENERAL REF202 Refractometer, Salinity, 0-28Pct, +/-0.2Pct
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Refractometer, Type Salinity, Range 0 to 28 Percent (Salinity), Auto Temp. Compensation No, Accuracy +/-0.2 Pct, Resolution 0.2 Pct, Specific Gravity 1.00 to 1.0211, Freezing Point 32 to 23 Degrees Fahrenheit (Salt Water), Length 6.2 In., Dia. 1.8 In., Includes Calibration Screwdriver, Plastic Pipette and Carrying Case, Manufacturers Warranty Length 1 yr. Features Accuracy : +/-0.2% Dia. : 1.8 Features : Metal Body, Rubber Hand Grip Blocks Hand Heat, Calibration Screen, Cushioned Rubber Eyepiece, For Oils and High MV Polymers Includes : Calibration Screwdriver, Plastic Pipette and Carrying Case Item : Refractometer Length : 6.2 Type : Salinity Function : Measures the Concentration of An Aqueous Solution By Measuring Its Refractive Index Range : 0% to 28% (Salinity) Resolution : 0.2%... Less
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GENERAL REF401 Refractometer,...

$78.88
Walmart.com GENERAL REF401 Refractometer, Glycol Fluid, -60 to 32F
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Refractometer, Type Glycol Fluid, Range -60 to 32 Degrees Fahrenheit, 1.15 to 1.3 s/g, Auto Temp. Compensation No, Accuracy +/-0.2 Pct, Resolution 10 Degrees Fahrenheit, 0.01 s/g, Specific Gravity 1.15 to 1.3, Freezing Point -60 to 32 Degrees Fahrenheit (Propylene Glycol), Length 6.2 In., Dia. 1.8 In., Includes Calibration Screwdriver, Plastic Pipette and Carrying Case, Manufacturers Warranty Length 1 yr. Features Accuracy : +/-0.2% Dia. : 1.8 Features : Metal Body, Rubber Hand Grip Blocks Hand Heat, Calibration Screen, Cushioned Rubber Eyepiece, Non-Roll Stand, Prism Mounted in High Impact Plastic, Freezing Points of Ethylene and Propylene Glycol Coolants and Battery Acid Level Includes : Calibration Screwdriver, Plastic Pipette and Carrying Case Item : Refractometer Length : 6.2 Type :... Less
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Portable Refractometer 0-100...

$44.99
Drs. Foster & Smith Portable Refractometer 0-100 ppt salinity and 1.000-1.070 specific gravity
+ $5.99 shipping
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Drs. Foster & Smith
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Economical, lightweight Easily monitor your pond's salinity Same accuracy as the expensive models Koi enthusiasts know that a consistent low level of salt in your pond helps ensure a healthy slime coat, reduces stress, and fights disease. This optical device provides a direct reading of specific gravity and concentration of salt in your pond water. Measures 0-100 PPT salinity and 1.000-1.070 specific gravity. Pinpoint 53.0 �S Calibration/Refer ence Fluid sold separately. Please click on More Information for maintenance instructions.
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Battery/antifree ze/cleaning...

$59.99
eBay Battery/antifree ze/cleaning Fluid Refractometer
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Range Ethylene Glycol: -84-32'F; Propylene Glycol: -60-32'F; Battery: 1.100-1.400sg Min.Div. Ethylene Glycol: 5'F; Propylene Glycol: 5'F; Battery: 0.01sg Accuracy Ethylene Glycol: +/-5'F; Propylene Glycol: +/-5'F; Battery: +/-0.01sg with ATC Heavy-Duty Portable Refractometer Sturdy design, made of Aluminum
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Digital Brix Refractometer...

$261.99
Hayneedle Digital Brix Refractometer Range - 0 to 85 - MIMA871
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Hayneedle
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About Hydrofarm, Inc.Celebrated as the nation's oldest and largest manufacturer of hydroponic equipment and grow lights, Hydrofarm has made professional- grade equipment available to all since 1977. All grow lights and electric components are UL listed, unlike many competitor products, meaning you get years of reliable and safe use out your high-intensity lights. All products are covered by a one year warranty, at the least. In some cases Hydrofarm ensures the performance of their products for five years.
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Thexton Prof Refractometer

$91.99
Walmart.com Thexton Prof Refractometer
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IGB1115 Features Prof refractometer Has calibration adjustment and adjustable focus Requires just one drop to measure refractive index of solution Tests anti-freeze (EG/PG) protection and battery electrolyte (state of charge) Fahrenheit and Centigrade scales for anti-freeze plus a scale showing degree of battery charge Includes small screwdriver, eye dropper and padded case Product Type: Vehicle Starting Systems Dimensions Overall Product Weight: 0.65 lbs
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Sugar/honey Refractometer, 58...

$36.00
eBay Sugar/honey Refractometer, 58 To 90% Brix
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Sugar/honey refractometer, 58 to 90% Brix Item Description 1 year warranty SPECIFICATIONS Ade Advanced Optics Brix Refractometer Durable units provide quick and easy measurements Range: 58 to 90% Brix Accuracy: ±0.5%Resolution: 1.00% ADDITIONAL FEATURES Manufacturer: MAGNUM_MEDIA Shipping Weight: 50 Product Dimensions: width: 3.30 length: 8.00 depth: 2.20 SHIPPING INFORMATION Our stock all ships from our US-based warehouses. Shipped via USPS or UPS (depending on location and package weight) Un
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General Tools Ref101...

$82.95
Global Industrial General Tools Ref101 Hand-Held Refractometer - Brix 0-10%
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Global Industrial
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Hand-Held Refractometer - Brix 0-10% All refractometers have a metal body w/ cushioned eyepiece, a rubber hand grip, and a calibration screen. Included with each is a calibration screwdriver, a plastic pipette and a carrying case. Brix 0-10%For industrial fluids and low concentration juicesIncludes: Calibration ScrewdriverPlasti c PipetteCarrying Case 9.00 L. 3.00 W. 2.00 H.
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Battery/antifree ze/cleaning...

$57.99
eBay Battery/antifree ze/cleaning Fluid Refractometer
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eBay
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Range Ethylene Glycol: -60-32'F; Propylene Glycol: -50-32'F; Battery: 1.15-1.30sg Min.Div. Ethylene Glycol: 10'F; Propylene Glycol: 10'F; Battery: 0.01sg Accuracy Ethylene Glycol: +/-10'F; Propylene Glycol: +/-10'F; Battery: +/-0.01sg Without ATC Heavy-Duty Portable Refractometer Sturdy design, made of Aluminum
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