True Sense Technologies

The True Sense RM-32 Brix Refractometer is a portable optical instrument designed to measure sugar concentration in liquids from 0–32% Brix. It features Automatic Temperature Compensation (ATC), an aluminium body, rubberized grip and adjustable calibration, making it suitable for fruit, wine, beer, brewing and food & beverage testing.

• 0–32% Brix Measuring Range

• Automatic Temperature Compensation (ATC)

• Approx. ±2% Accuracy

• Manual Optical Measurement

• Lightweight Aluminium Body

• Comfortable Rubber Grip

• Adjustable Calibration

• Easy-to-Read Optical Scale

• Few-Drop Sample Testing

• Compact & Portable Design

• No Battery Required

• Fruit & Vegetable Juice Testing

• Wine & Beer Testing

• Brewing Wort Measurement

• Sugar Solution Testing

• Fruit Sweetness Measurement

• Food & Beverage Quality Control

• Agriculture & Horticulture

• Laboratory Testing

• Beverage Processing

• Water-Soluble Glue & Liquid Testing

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The True Sense RM-92 Brix Hand Refractometer is a portable optical instrument designed for measuring high-concentration sugar solutions from 58–92% Brix. It is suitable for condensed milk, vegetable oils, sugar syrups, fruit jams, molasses, water-based adhesives and other concentrated liquids. Its optical scale, compact design and easy calibration make it suitable for laboratory and industrial applications.

• 58–92% Brix Measuring Range

• 0.2 °Bx Resolution

• ±0.5% Brix Accuracy

• 38–43 °Bé Baume Scale

• 12–27% Water Scale

• Analog Optical Display

• Automatic Temperature Compensation (ATC)

• Aluminium Body with Rubber Grip

• Easy Manual Calibration

• Compact & Portable Design

• Few-Drop Sample Testing

• No Battery Required

Specifications are based on the current True Sense product listing.

• Sugar Syrup Testing

• Condensed Milk Testing

• Fruit Jam & Jelly Testing

• Molasses Testing

• Vegetable Oil Testing

• High-Concentration Sugar Solutions

• Food & Beverage Quality Control

• Water-Based Adhesive & Glue Testing

• Industrial Liquid Testing

• Laboratory Concentration Measurement

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The True Sense RM-55 Brix ATC Refractometer is a handheld optical instrument designed to measure the concentration of sugar and non-sugar solutions. It is suitable for soybean milk, sugar manufacturing, food and beverages, honey, ketchup, jam, soybean sauce and fruit sweetness testing. It can also help monitor the concentration of various industrial solutions.

• 0–55% Brix Measuring Range

• Automatic Temperature Compensation (ATC)

• Optical / Analog Measurement

• Suitable for Sugar & Non-Sugar Solutions

• Few-Drop Sample Measurement

• Easy-to-Read Optical Scale

• Compact & Portable Design

• Suitable for Food & Beverage Testing

• Useful for Fruit Sweetness & Ripeness Testing

• Suitable for Industrial Solution Monitoring

• Blue Box Packaging

• Made in India

• No Battery Required

Specifications are based on the current True Sense listing.

• Sugar Concentration Measurement

• Honey Testing

• Fruit Sweetness Testing

• Fruit & Vegetable Testing

• Soybean Milk Testing

• Jam & Jelly Testing

• Ketchup & Sauce Testing

• Food & Beverage Quality Control

• Sugar Manufacturing

• Fruit Harvesting & Ripeness Classification

• Industrial Solution Concentration Monitoring

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The True Sense RM-18 Brix Refractometer is a handheld optical instrument designed for measuring low-concentration solutions in the 0–18% Brix range. It features an easy-to-read analog scale and provides readings in approximately 3 seconds. The instrument is suitable for fruit juices, soft drinks, wine, tomato products, lubricating oils, emulsion oils and other low-concentration liquids.

• 0–18% Brix Measuring Range

• Analog Optical Display

• Approx. 3-Second Analysis Time

• High-Resolution Brix Scale

• Designed for Low-Concentration Solutions

• Easy-to-Read Scale

• Compact & Portable Design

• Suitable for Food & Industrial Applications

• Blue Box Packaging

• No Battery Required

Specifications are based on the current True Sense product listing.

• Fruit & Vegetable Juice Testing

• Soft Drink Testing

• Wine & Beverage Testing

• Maple Syrup Testing

• Tomato Product Testing

• Low-Concentration Sugar Solutions

• Lubricating Oil Testing

• Emulsion Oil Testing

• Food & Beverage Quality Control

• Laboratory Testing

• Industrial Liquid Concentration Testing

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The True Sense RM-82 Optical Brix Refractometer is a portable analog refractometer designed for measuring high sugar concentrations from 45–82% Brix. It requires only a few drops of liquid on the prism and provides a direct optical reading, making it suitable for sugar syrups, honey, jams, jellies, concentrated fruit products and other high-sugar solutions. The compact aluminum construction makes it convenient for laboratory, food-processing and field applications.

• 45–82% Brix Measuring Range
• Optical / Analog Measurement
• Suitable for High Sugar Concentration
• Requires Only a Few Drops of Sample
• Direct Optical Scale Reading
• Compact & Portable Design
• Lightweight Aluminum Construction
• Easy to Operate
• Suitable for Laboratory & Food Testing
• No Battery Required

The current True Sense listing identifies RM-82 as a laboratory refractometer with a 45–82% range, analog display, approximately 250 g weight, blue-box packaging and Made-in-India origin. It specifically describes the instrument for measuring sugar content in honey, jams and syrups, using only a few drops placed on the prism for direct reading.

• Sugar Syrup Testing
• Honey Testing
• Jam & Jelly Testing
• Concentrated Fruit Products
• Food & Beverage Quality Control
• Sugar Processing
• Laboratory Testing
• Food Processing
• High Brix Solution Measurement
• Fruit Product Testing

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The True Sense RM-10 Brix Refractometer is a handheld optical instrument designed for measuring low-concentration sugar solutions and industrial liquids in the 0–10% Brix range. It is suitable for low-sugar fruit and vegetable juices, maple sap, soft drinks, wine and selected synthetic or semi-synthetic machining coolants. Its analog optical scale provides a simple and convenient method for concentration monitoring in laboratory, food-processing and industrial applications.

• 0–10% Brix Measuring Range

• 2% Accuracy

• Analog Optical Display

• Designed for Low-Concentration Solutions

• Suitable for Sugar & Non-Sugar Liquids

• Compact Handheld Design

• Easy Optical Reading

• Suitable for Food & Beverage Testing

• Useful for Industrial Coolant Concentration Monitoring

• Blue Box Packaging

• Made in India

• No Battery Required

Specifications are based on the current True Sense listing.

• Low-Sugar Fruit & Vegetable Juice Testing

• Maple Sap Testing

• Soft Drink Testing

• Wine Testing

• Sugar Concentration Measurement

• Food Harvesting & Processing

• Food & Beverage Quality Control

• Synthetic Coolant Monitoring

• Semi-Synthetic Coolant Testing

• Machining & Grinding Coolant Applications

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The True Sense RM-90 Brix Refractometer is a handheld optical instrument designed for measuring sugar concentration from 0–90% Brix. It is suitable for testing sugar, food, fruits, beverages, honey and other liquid samples. With Automatic Temperature Compensation (ATC) from 10–30°C, compact construction and simple optical operation, it is ideal for laboratory, food-processing and general-purpose concentration testing.

• 0–90% Brix Measuring Range

• Automatic Temperature Compensation (10–30°C)

• Optical / Analog Measurement

• Suitable for Sugar & Honey Testing

• Few-Drop Sample Measurement

• Easy-to-Read Optical Scale

• Compact & Lightweight Design

• Easy Calibration

• Portable Handheld Construction

• No Battery Required

The True Sense listing also indicates that the package includes a pipette, screwdriver, cleaning cloth and plastic case.

• Sugar Concentration Measurement

• Honey Testing

• Fruit & Vegetable Testing

• Beverage Testing

• Food Quality Control

• Coffee & Food Processing

• Sugar Syrup Testing

• Fruit Sweetness Measurement

• Laboratory Testing

• Industrial Liquid Testing

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• 0–80% Brix Refractometer for Professional & General Purpose Use, RHB-80

  The True Sense RHB-80 Brix Refractometer is a compact optical refractometer designed for measuring 0–80% Brix sugar concentration in liquid samples. It provides 0.1% accuracy and operates within a 10–30°C temperature range. Its simple operation, portable design and wide measuring range make it suitable for sugar testing in factories, laboratories, food processing and general-purpose liquid concentration applications.

  Key Features

  • 0–80% Brix Measuring Range

  • 0.1% Accuracy

  • Temperature Range: 10–30°C

  • Optical / Analog Measurement

  • Compact & Portable Design

  • Easy-to-Use Operation

  • Few-Drop Sample Testing

  • Suitable for Wide Range of Liquid Sugar Applications

  • Easy to Carry and Store

  • No Battery Required

  Technical Specifications

  Parameter	Specification
  Brand	True Sense
  Model	RHB-80
  Product Type	Brix Refractometer
  Measurement Range	0–80% Brix
  Accuracy	0.1%
  Temperature Range	10–30°C (50–86°F)
  Display	Optical / Analog
  Measurement Method	Refractive Index
  Design	Compact & Handheld
  MOQ	2 Pieces

  Specifications are based on the current True Sense product listing.

  Applications

  • Liquid Sugar Testing

  • Sugar Concentration Measurement

  • Food & Beverage Processing

  • Sugar Manufacturing

  • Factory Quality Control

  • Laboratory Testing

  • Syrup Testing

  • Fruit & Beverage Testing

  • Industrial Liquid Concentration Testing

  • General-Purpose Refractometry

  Keywords

  RHB-80, 0-80 Brix Refractometer, 0-80% Brix Meter, Brix Refractometer, Sugar Refractometer, Optical Refractometer, Sugar Concentration Tester, Liquid Sugar Tester, Sugar Testing Instrument, Portable Brix Meter, Handheld Refractometer, Analog Brix Meter, Food Testing Refractometer, Laboratory Refractometer, Industrial Refractometer, Syrup Tester, Sugar Factory Testing, Brix Measurement Instrument, Liquid Concentration Meter, General Purpose Refractometer.

The Real Instruments Smart Sensor ST355A Digital Refractometer is a portable digital instrument designed for quick measurement of 0–55% Brix sugar concentration and refractive index in liquid samples. It features Automatic Temperature Compensation (ATC), a clear LCD display and an optical refractive sensor for fast, accurate readings. Its compact ABS construction and battery operation make it suitable for laboratories, food processing, agriculture, beverage production and field testing.

• 0–55% Brix Measuring Range

• Digital Optical Measurement

• Refractive Index Measurement

• ±0.2% Brix Accuracy

• 0.1% Resolution

• Automatic Temperature Compensation

• ATC Range: 10–40°C

• Clear LCD Display

• Fast Digital Readings

• Low Sample Volume

• Compact & Portable ABS Body

• Battery Operated

Specifications are based on the current True Sense listing and the corresponding ST355A product information.

• Fruit Juice Sugar Testing

• Fruit Sweetness Measurement

• Honey Testing

• Beverage Production

• Wine & Beer Production

• Sugar Syrup Testing

• Food Processing

• Agriculture & Horticulture

• Quality Control Laboratories

• Research & Scientific Testing

• Industrial Liquid Testing

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The Real Instruments Smart Sensor ST335A Digital Honey Refractometer is a portable digital instrument designed for measuring 0–35% Brix sugar concentration in honey, fruit juices, beverages and other liquid samples. It offers 0.1% resolution, ±0.2% accuracy and Automatic Temperature Compensation (ATC), with a clear digital display for quick and convenient testing.

• 0–35% Brix Measuring Range

• 0.1% Resolution

• ±0.2% Accuracy

• Digital Brix Measurement

• Refractive Index Measurement

• Automatic Temperature Compensation

• 1.5-Inch Backlit LCD Display

• Fast & Easy Readings

• Low Sample Volume

• Compact & Lightweight Design

• Durable ABS Construction

• Battery Operated

• Honey Sugar Content Testing

• Fruit Sweetness Measurement

• Fruit Juice Testing

• Sugar Solution Testing

• Beverage Quality Control

• Food Processing

• Agriculture & Horticulture

• Sugar Processing

• Laboratory Testing

• Food & Beverage Manufacturing

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• 0–100% Salinity Refractometer, RHS-100

  The RHS-100 Salinity Refractometer is a portable optical instrument designed for measuring salinity concentration in salt water and other liquid samples. It features a 0–100% salinity scale, Automatic Temperature Compensation (ATC), optical glass lens and a durable aluminum-and-rubber body. It requires only a few drops of sample on the prism, making it suitable for quick laboratory, food, beverage, aquarium and marine testing.

  Key Features

  • 0–100% Salinity Measuring Range

  • ±0.2% Accuracy

  • Automatic Temperature Compensation (ATC)

  • ATC Range: 10–30°C

  • Optical Glass Lens

  • Few-Drop Sample Measurement

  • Easy Calibration

  • Aluminum & Rubber Construction

  • Portable Handheld Design

  • Easy-to-Read Optical Scale

  • No Battery Required for Optical Measurement

  Technical Specifications

  Parameter	Specification
  Model	RHS-100
  Product Type	Salinity Refractometer
  Measuring Range	0–100%
  Accuracy	±0.2%
  Brix Value	0.2%
  ATC Range	10–30°C
  Display	Optical / Analog Scale
  Measurement Method	Optical
  Sample Volume	Few Drops
  Lens	Optical Glass
  Body Material	Aluminum & Rubber
  Length	Approx. 170 mm
  Weight	Approx. 250 g
  Calibration	Manual / Adjustable
  MOQ	2 Pieces

  Specifications are based on the current True Sense listing.

  Applications

  • Salt Water & Brine Testing

  • Aquarium Water Testing

  • Marine Applications

  • Aquaculture

  • Food & Beverage Testing

  • Fruit Juice & Soft Drink Testing

  • Jam & Jelly Testing

  • Wine & Beer Testing

  • Laboratory Quality Control

  • Salinity Concentration Monitoring

  Keywords

  RHS-100, Salinity Refractometer, 0-100% Salinity Refractometer, Optical Salinity Meter, Salt Water Refractometer, Brine Refractometer, Aquarium Salinity Tester, Marine Refractometer, Aquaculture Refractometer, Salinity Tester, Portable Refractometer, Handheld Salinity Meter, ATC Refractometer, Optical Salinity Meter, Salt Concentration Tester, Brine Salinity Tester, Aquarium Water Tester, Marine Water Testing Instrument.

The ERMA RHB-10 Brix Refractometer is a portable handheld optical instrument designed for measuring low-concentration sugar solutions and industrial liquids in the 0–10% Brix range. It features Automatic Temperature Compensation (ATC) from 10–30°C and is suitable for beverages, fruit products, maple sap, machining coolants and other concentration-monitoring applications.

• 0–10% Brix Measuring Range

• Automatic Temperature Compensation (ATC)

• ATC Range: 10–30°C

• Manual Optical Measurement

• Suitable for Low-Concentration Solutions

• Few-Drop Sample Testing

• Easy-to-Read Optical Scale

• Compact & Portable Design

• Suitable for Food & Industrial Applications

• Durable Handheld Construction

• No Battery Required

• Maple Sap Testing

• Fruit & Vegetable Testing

• Sugar Concentration Measurement

• Beverage & Soft Drink Testing

• Wine Testing

• Confectionery & Jam Applications

• Fruit Ripeness Testing

• Antifreeze & Coolant Concentration

• Cutting Lubricant Testing

• Industrial Fluid Concentration Monitoring

• Laboratory Quality Control

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The ERMA RHB-90 Brix Refractometer is a handheld optical instrument designed for measuring sugar concentration from 0–90% Brix. It is suitable for sugar, food, fruits, vegetables, beverages, honey and brewing applications. Its rugged aluminium body, rubber grip and manual calibration provide convenient and reliable testing for laboratory, food-processing and beverage applications.

• 0–90% Brix Measuring Range

• Automatic Temperature Compensation (ATC)

• ATC Range: 10–30°C

• Analog Optical Display

• Manual Optical Measurement

• Rugged Lightweight Aluminium Body

• Comfortable Rubber Grip

• Easy Calibration with Mini Screwdriver

• Compact & Portable Design

• Suitable for Food & Beverage Testing

• Few-Drop Sample Measurement

• Blue Box Packaging

The current True Sense listing specifies 0–90% Brix, analog display, laboratory use, approximately 250 g weight, ERMA branding, RM-90 model number and Made in Japan. It also describes the product for brewing, fruits, vegetables, wine and beer applications.

• Sugar Concentration Measurement

• Fruit & Vegetable Testing

• Honey Testing

• Beverage Testing

• Wine & Beer Brewing

• Sugar Solution Testing

• Food Quality Control

• Agricultural Testing

• Laboratory Testing

• Food & Beverage Processing

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The ERMA RHB-55 Brix Refractometer is a portable optical instrument designed for measuring 0–55% Brix sugar concentration in sugar solutions and other liquids. It is suitable for soybean milk, sugar manufacturing, food and beverage testing, honey, jam, ketchup, soybean sauce and fruit products. Its ATC design helps compensate for temperature variations, making it useful for quality control and concentration monitoring in food, agricultural and industrial applications.

• 0–55% Brix Measuring Range

• Automatic Temperature Compensation (ATC)

• Optical / Analog Measurement

• Suitable for Sugar & Non-Sugar Solutions

• Designed for Food & Beverage Testing

• Suitable for Honey, Jam & Fruit Products

• Useful for Soybean Milk & Sauces

• Compact Handheld Design

• Easy Optical Reading

• Manual Calibration

• Blue Box Packaging

• Made in Japan

Specifications are based on the current True Sense listing.

• Sugar Concentration Measurement

• Soybean Milk Testing

• Honey Testing

• Fruit Sweetness Measurement

• Fruit Juice Testing

• Jam & Jelly Testing

• Ketchup & Sauce Testing

• Food & Beverage Quality Control

• Sugar Manufacturing

• Agricultural Fruit Testing

• Industrial Liquid Concentration Monitoring

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The ERMA RHB-82 Brix Refractometer is a portable analog optical instrument designed for measuring high sugar concentrations from 45–82% Brix. It requires only a few drops of liquid on the prism and provides a direct reading, making it suitable for honey, sugar syrups, jams, jellies and other concentrated food products.

• 45–82% Brix Measuring Range

• Analog Optical Display

• Suitable for High Sugar Concentrations

• Few-Drop Sample Testing

• Direct Optical Scale Reading

• Easy & Quick Operation

• Compact Handheld Design

• Suitable for Food & Laboratory Testing

• No Battery Required

• Honey Sugar Content Testing

• Sugar Syrup Testing

• Jam & Jelly Testing

• Concentrated Fruit Products

• Food & Beverage Quality Control

• Sugar Processing

• Laboratory Testing

• High-Brix Solution Measurement

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The ERMA RHB-92 Brix Refractometer is a portable optical instrument designed for measuring high-concentration sugar solutions in the 58–92% Brix range. It features an analog optical scale, automatic temperature compensation (ATC), durable aluminium construction and a rubber grip for convenient laboratory and field use.

• 58–92% Brix Measuring Range

• Automatic Temperature Compensation (ATC)

• Analog Optical Display

• Manual Optical Measurement

• Few-Drop Sample Testing

• Easy Manual Calibration

• Durable Aluminium Body

• Comfortable Rubber Grip

• Compact & Portable Design

• No Battery Required

• High-Concentration Sugar Testing

• Sugar Syrup Testing

• Honey & Food Product Testing

• Fruit & Beverage Testing

• Food Quality Control

• Laboratory Concentration Measurement

• Industrial Liquid Testing

• Sugar Processing

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The ERMA RHS-100 Salinity Refractometer is a portable optical instrument designed to measure and monitor salt concentration in salt water and brine. Its dual-scale design measures specific gravity and parts per thousand (PPT), making it especially suitable for aquarium, marine and aquaculture applications.

• 0–100% Salinity Measurement

• Dual Scale: Specific Gravity & PPT

• Automatic Temperature Compensation (ATC)

• Optical / Analog Measurement

• Requires Only a Few Drops of Sample

• Easy Manual Calibration

• High-Quality Optical System

• Durable Aluminium Body

• Rubber Grip for Comfortable Handling

• Portable Handheld Design

• No Battery Required for Optical Measurement

The current listing specifically describes the RHS-100 as a dual-scale salinity refractometer for salt water and brine, with particular suitability for aquarium and marine applications.

• Salt Water & Brine Testing

• Aquarium Water Testing

• Marine Applications

• Aquaculture

• Salt Concentration Monitoring

• Specific Gravity Measurement

• Laboratory Quality Control

• Water Quality Testing

• Marine Water Testing

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The ERMA RHB-62 Brix Refractometer is a handheld optical instrument designed for measuring sugar concentration in the 28–62% Brix range. It is suitable for fruit juices, soft drinks, wine, food and beverage processing, as well as selected industrial liquids. Its manual operation and compact design make it convenient for laboratory and field testing.

• 28–62% Brix Measuring Range

• Manual Optical Measurement

• ATC for Temperature Compensation

• Suitable for Sugar-Related Liquids

• Easy-to-Read Optical Scale

• Few-Drop Sample Testing

• Compact & Portable Design

• Durable Handheld Construction

• Easy Manual Calibration

• No Battery Required

The listing also identifies applications in sugar-related liquids, fruit juices, soft drinks, wine, food and beverage processing, and certain industrial fluids.

• Sugar Concentration Measurement

• Fruit Juice Testing

• Soft Drink Testing

• Wine & Beverage Testing

• Food Quality Control

• Fruit Ripeness Testing

• Sugar Processing

• Food & Beverage Manufacturing

• Laboratory Testing

• Industrial Liquid Concentration Testing

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The ERMA RHB-32 Brix Refractometer is a portable optical instrument designed to measure sugar concentration in the 0–32% Brix range. With a 0.2% minimum scale division, Automatic Temperature Compensation (ATC), adjustable focus and a comfortable rubberized grip, it is suitable for food, beverage, fruit and industrial liquid testing.

• 0–32% Brix Measuring Range

• 0.2% Minimum Scale Division

• Automatic Temperature Compensation (ATC)

• Manual Optical Measurement

• Few-Drop Sample Testing

• Adjustable Focus

• Easy-to-Read Optical Scale

• Rubberized Non-Slip Grip

• Compact & Portable Design

• Easy Calibration

• Fruit Juice & Fruit Sweetness Testing

• Wine & Beer Brewing

• Brewing Wort Testing

• Soft Drink Testing

• Sugar Solution Measurement

• Milk Beverage Testing

• Food & Beverage Quality Control

• Industrial Fluid Testing

• Cutting Liquid Testing

• Water-Soluble Glue Testing

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The True Sense RM-62 Brix Refractometer is a handheld optical instrument designed for measuring sugar concentration in the 28–62% Brix range. It provides a clear optical reading with 0.2% Brix resolution/reading and features Automatic Temperature Compensation (ATC) from 10–30°C. Its durable aluminium construction and compact design make it suitable for food, beverage, agricultural and laboratory testing.

• 28–62% Brix Measuring Range

• 0.2% Brix Reading Resolution

• ±0.2% Brix Accuracy

• Automatic Temperature Compensation (10–30°C)

• Optical / Analog Measurement

• Durable Aluminium Construction

• Easy Manual Calibration

• Few-Drop Sample Testing

• Compact & Portable Design

• Sturdy Storage Case

• No Battery Required

Included Accessories: Refractometer, pipette, mini-screwdriver, manual, storage case and soft cleaning cloth.

• Sugar Concentration Measurement

• Fruit Juice Testing

• Soft Drink Testing

• Wine & Beverage Testing

• Food Quality Control

• Agriculture & Fruit Ripeness Testing

• Sugar Processing

• Laboratory Testing

• Food & Beverage Manufacturing

• Industrial Solution Testing

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The True Sense GR-701B Gem Refractometer is a compact precision instrument designed to measure the refractive index (RI) of gemstones and solid materials. With a 1.30–1.81 RI range and 0.01 RI minimum division, it is suitable for gemstone identification, jewelry inspection and gemological testing.

• Refractive Index Range: 1.30–1.81 RI

• Minimum Division: 0.01 RI

• High-Precision Gemstone Testing

• Designed for Gemstones & Solid Materials

• Compact & Lightweight Design

• Easy-to-Read Display

• Quick Gemstone Identification

• Suitable for Transparent & Opaque Gems

• ABS Construction

• Low Battery Consumption

• Gemstone Identification

• Jewelry Testing

• Diamond & Moissanite Testing

• Colored Gemstone Testing

• Gemological Laboratory Testing

• Synthetic Gem Screening

• Gemstone Sorting & Inspection

• Jewelry Quality Control

• Precious Stone Examination

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The ERMA RHB-20 Brix Refractometer is a handheld optical instrument designed for measuring sugar concentration from 0–20% Brix. It requires only a few drops of sample and provides a clear optical reading through the eyepiece. With a 0.2% minimum scale division and Automatic Temperature Compensation from 10–30°C, it is suitable for food, beverage, fruit juice, honey, milk and sugar-related testing.

• 0–20% Brix Measuring Range

• 0.2% Minimum Scale Division

• Automatic Temperature Compensation (10–30°C)

• Optical / Analog Measurement

• Few-Drop Sample Testing

• Easy-to-Read Brix Scale

• Adjustable Eyepiece Focus

• Compact Handheld Design

• No Battery Required

• Suitable for Food & Beverage Testing

Specifications are based on the current True Sense listing.

• Honey Sugar Content Testing

• Fruit Juice Testing

• Milk & Dairy Testing

• Beer & Beverage Testing

• Sugar Solution Measurement

• Fruit Sweetness Testing

• Food Quality Control

• Beverage Processing

• Laboratory Testing

• Sugar Concentration Monitoring

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The ERMA RHB-40 Dual Scale Refractometer is a portable optical instrument designed for measuring 0–40% Brix and alcohol concentration in wine and aqueous solutions. It is suitable for winemakers, grape growers, laboratories and beverage quality testing, requiring only a few drops of sample.

• 0–40% Brix Measuring Range
• Dual-Scale Brix & Alcohol Measurement
• Suitable for Wine & Grape Testing
• Designed for High-Sugar Musts
• Optical / Manual Measurement
• Few-Drop Sample Testing
• Easy-to-Read Scale
• Compact Handheld Design
• Easy Manual Calibration
• No Battery Required

• Wine & Grape Testing
• Grape Ripeness Measurement
• Wine Must Sugar Testing
• Potential Alcohol Estimation
• Sugar Concentration Measurement
• Winemaking & Beverage Production
• Food & Beverage Quality Control
• Laboratory Testing
• Agricultural & Harvest Testing

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The Erma RHB-18 Brix Refractometer is a compact handheld optical instrument designed for measuring 0–18% Brix in low-concentration sugar solutions and various industrial liquids. It requires only 2–3 drops of sample and provides a clear, repeatable reading through its optical prism and lens system. The instrument is suitable for fruit juices, soft drinks, maple syrup, wine, lubricating/emulsion oils and machining coolant applications. The ATC version helps compensate for temperature variations during measurement.

• 0–18% Brix Measuring Range

• Optical / Analog Measurement

• Requires Only 2–3 Drops of Sample

• Easy-to-Read Scale

• Automatic Temperature Compensation (ATC)

• Simple Focus Adjustment

• Compact & Portable Design

• Accurate & Repeatable Readings

• Suitable for Sugar & Industrial Liquid Testing

• Blue Box Packaging

The True Sense listing specifies 0–18% Brix, RHB-18, approximately 250 g weight, laboratory use and a sales package containing the refractometer, manual, pipette, cleaning cloth, mini screwdriver and retail box.

• Fruit Juice & Vegetable Juice Testing

• Maple Syrup Testing

• Soft Drink Testing

• Wine & Beverage Testing

• Low-Sugar Solution Measurement

• CNC Machining Coolant Testing

• Synthetic & Semi-Synthetic Coolants

• Lubricating & Emulsion Oil Testing

• Food & Beverage Quality Control

• Laboratory & Industrial Testing

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The True Sense RFA-70 Refractometer (Model RHS-70A) is a portable precision optical refractometer designed for checking antifreeze and coolant freezing points, urea/DEF concentration, battery electrolyte and glycol-based fluids. It uses a high-quality optical system with smooth focusing for quick and convenient testing. The corrosion-resistant construction also allows testing of various industrial liquids when properly cleaned after use.

• Portable Optical Refractometer

• Suitable for Urea & DEF Testing

• Measures Ethylene & Propylene Glycol

• Antifreeze Freezing Point Testing

• Battery Electrolyte Testing

• High-Quality Optical System

• Smooth Focus Adjustment

• Abrasion & Corrosion Resistant

• Suitable for Industrial Fluids

• Compact & Easy to Carry

• Blue Box Packaging

• Made in India

The True Sense listing identifies the product as RHS-70A, while the listing title uses RFA-70. It specifically describes applications including urea/DEF, exhaust fluids, antifreeze, battery acid, and propylene/ethylene glycol.

• Diesel Exhaust Fluid (DEF) Testing

• Urea Concentration Checking

• Antifreeze Testing

• Ethylene Glycol Testing

• Propylene Glycol Testing

• Coolant Concentration Testing

• Battery Electrolyte Testing

• Automotive Maintenance

• Industrial Fluid Testing

• Chemical & Laboratory Testing

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