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Handheld Refractometers,Inline Process Refractometers,Digital Refractometers Manufacturer

Portable Gemstone Refractometer, Jewlery Refractometer

The RHG-181 Gemstone Refractometer is a portable optical instrument designed to measure refractive indices from 1.30 to 1.81, enabling fast identification of gemstone types, differentiation between natural, synthetic, and treated stones, and analysis of optical properties such as birefringence and crystal orientation—making it a practical tool for jewelers, gem traders, and inspection agencies. Specifications Measurement Range Resolution Dimensions Weight 1.30-1.81 0.01 30*70*130mm 0.4kg

Inline Refractometer for Ethylene Glyco / Antifreeze

The ZXRE0-90 inline refractometer measures the concentration of ethylene glyco or ethylene glyco based antifreeze. Widely used in automotive antifreeze production and related chemical processing; Sapphire prism, 316L stainless steel body, and IP65-rated; Equipped with automatic temperature compensation (ATC); Provides three readings: EG concentration, nD, and temperature. Specifications found below. Measurement Specifications Measurement Parameters Range Resolution Accuracy Ethylene Glyco Concentration 0.00-90.00% 0.01% ±0.01% Refractive Index (nD) 1.33299 - 1.43205 0.00001 ±0.00001 Temperature 5℃ to 100℃ 1℃ ±1℃

10x Gem Magnifier for Gemstone Inspection, Jewelry Magnifying Glass

The RHGX Gem Magnifier is a precision optical instrument designed for detailed observation of gemstone inclusions, surface features, and treatment indicators, widely used in gem identification, appraisal, processing, and quality inspection. - Magnification Range: 10X–80X total magnification for detailed inspection at varying levels. - Field of View Diameters: φ18, φ15, φ6, φ5, φ4, φ3 mm for different magnification settings. - Dimensions / Weight: 28 × 18 × 36 cm; 6.1 kg – suitable for desktop lab or appraisal use.

Bench Top Gem Polarimeter, Gemstone Polariscope

The gem polariscope is a non-destructive optical tool used to identify gemstone authenticity, distinguish between isotropic and anisotropic materials, and analyze optical properties such as refraction type, axiality, and optical sign.

Brix Refractometer with ATC, Standard Refractometer for Brix, Sugar Meter 0-32% Brix

The RHB-32A model handheld brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 0 to 32% Brix, with an accuracy of ±0.2%. It is suitable for measuring Brix levels in most common solutions, including fruit and vegetable juices, beverages, food products, and cutting fluids. The main body of the instrument is made of copper to maximize accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Range Resolution Accuracy Brix 0 to 32% 0.2% ±0.2%

3 in 1 Antifreeze Refractometer ATC, Coolant Tester for Ethylene Propylene Battery Fluid

The RHA-301A model handheld antifreeze and Battery acid refractometer measures the freezing temperature (in ℃) of ethylene glycol or propylene glycol based automobile antifreeze, and the specific gravity (SG) of battery acid. The specifications of which are listed in the table below. This model is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene -50℃ to 0℃ 5℃ ±5℃ Propylene -50℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.150 to 1.300 SG 0.01SG ±0.01SG

Low Concentration Brix Sugar Refractometer with ATC, Brix Meter for Low Sugar Content 0-5% Brix

The RHB-5A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 0 to 5% Brix, with an accuracy of ±0.1%. This model is suitable for measuring Brix levels in low sugar concentration solutions, such as low-sweetness juices and beverages. The main body of the instrument is made of copper to maximize accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Brix 0 to 5% 0.1% ±0.1%

Handheld Coolant Refractometer ATC for Ethylene Propylene Antifreeze Battery Fluid

The RHA-405A handheld coolant and battery fluid refractometer measures the freezing temperature (in ℃) of automotive antifreeze based on ethylene glycol or propylene glycol, as well as the specific gravity (SG) of battery fluid. This model is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene -50℃ to 0℃ 5℃ ±5℃ Propylene -50℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.150 to 1.300 SG 0.01sg ±0.01sg

Automotive Coolant DEF Refractometer ATC, Adblue Urea Concentration Meter for Ethylene Propylene Battery Fluid DEF

The RHAN-737A handheld coolant, DEF(Adblue) and battery fluid refractometer measures the freezing temperature (in ℃) of automotive antifreeze based on ethylene glycol or propylene glycol, the urea concentration in DEF (Adblue), and the specific gravity (SG) of battery fluid. This model is a universial tool that is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available for a lower cost. Measurement Specifications Scale(s) Ranges Resolution Accuracy Adblue 0-35% 1% ±1% Ethylene -50℃-0℃ 1℃ ±1℃ Propylene -50℃-0℃ 1℃ ±1℃ Battery Fluid 1.100-1.300SG 0.01SG ±0.01SG

Portable Coolant Refractometer ATC, Coolant Tester for Ethylene Propylene Battery Fluid Celcius

The RHA-303A handheld coolant and battery fluid refractometer can be used to measure the freezing point temperature (in ℃) of automotive antifreeze based on ethylene glycol or propylene glycol, as well as the specific gravity (SG) of battery fluid. This model is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene -70℃ to 0℃ 5℃ ±5℃ Propylene --60℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.100 to 1.400 SG 0.01SG ±0.01SG

Low Concentration Brix Sugar Refractometer with ATC, Brix Meter for Low Sugar Content 0-10% Brix

The RHB-10A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 0 to 10% Brix, with an accuracy of ±0.1%. This model is suitable for measuring Brix levels in low sugar concentration solutions, such as low-sweetness juices and beverages. The main body of the instrument is made of copper to maximize accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Brix 0 to 10% 0.1% ±0.1%

Automotive Antifreeze Refractometer ATC, Antifreeze Meter for Freezing Point Battery Fluid Cleaner

The RHA-504A handheld coolant and battery fluid refractometer is used to measure the freezing point temperature (in ℃) of automotive antifreezes based on ethylene glycol or propylene glycol, the freezing point of windshield cleaning fluids, and the specific gravity (SG) of battery fluids. This model is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene -60℃ to 0℃ 5℃ ±5℃ Propylene -50℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.100 to 1.400 SG 0.01sg ±0.01sg Cleaner -40 to 0℃ 5℃ ±5℃

Handheld Antifreeze Refractometer ATC for Antifreeze Freezing Battery Fluid

The RHA-800A handheld antifreeze and battery fluid refractometer measures the concentration percentage and freezing temperature (in ℃) of automotive antifreeze, and the specific gravity (SG) of battery fluid. The measurement parameters are shown in the following table. This model is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Antifreeze -0 to 100% 5% ±5% Freezing -60℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.100 to 1.400 SG 0.01sg ±0.01sg

Low Concentration Sugar Brix Refractometer with ATC, Sugar Meter for Low Sugar Content 0-18% Brix

The RHB-18A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 0 to 18% Brix, with an accuracy of ±0.1%. This model is suitable for measuring Brix levels in low to medium sugar concentration solutions, such as low-sweetness juices and beverages, and cutting/grinding fluids. The main body of the instrument is made of copper to maximize accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost. Measurement Specifications Scale(s) Range Resolution Accuracy Brix 0 to 18% 0.1% ±0.1%

Handheld Antifreeze DEF(Adblue) Refractometer ATC, Coolant Meter for DEF Urea Concentration, Battery Fluid

The RHAN-747A handheld antifreeze and DEF(Adblue) refractometer measures the freezing temperature (in ℃) of automotive antifreeze based on ethylene glycol or propylene glycol, the urea concentration in DEF (Adblue), and the specific gravity (SG) of battery acid. The specific parameters are shown in the following table. This model is a universial tool that is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available for a lower cost. Measurement Specifications Scale(s) Ranges Resolution Accuracy Adblue 20% to 40% 1% ±1% Ethylene -50℃ to -10℃ 1℃ ±1℃ Propylene -50℃ to -10℃ 1℃ ±1℃ Battery Fluid 1.200 to 1.300SG 0.01SG ±0.01SG

Automotive Coolant Refractometer with ATC, Coolant Tester for Freezing Point, Battery Fluid Concentration

The RHA-737A handheld coolant and battery fluid refractometer measures the concentration percentage of automotive coolant, the freezing point temperature (℃) of automotive coolant, and the specific gravity (SG) of battery fluid. The parameters of these measurement scales are shown in the table below. This model is commonly used in automotive maintenance and battery servicing. The instrument body is made of copper material to maximize measurement accuracy and durability. It also has an Automatic Temperature Compensation function (ATC), which can provide accurate readings under different ambient temperatures. Measurement Specifications Scale(s) Measurement Range Min. Division Accuracy Ethylene -60 to 0℃ 3℃ ±3℃ Propylene -50 to 0℃ 3℃ ±3℃ Battery Fluid 1.150 to 1.300 SG 0.005sg ±0.01sg

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