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

The RHAN-605A handheld antifreeze, DEF(Adblue) and battery fluid refractometer can be used to measure the freezing temperature (in ℃) of automotive antifreezes and automotive windshield cleaning fluids, the urea concentration of DEF, and the specific gravity (SG) of battery fluids. 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. It also has an Automatic Temperature Compensation function (ATC), which can provide accurate readings at different ambient temperatures.   Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene  -50℃ to  -25℃ 5℃ ±5℃ Propylene -50℃ to  -25℃ 5℃ ±5℃ Battery Fluid 1.100 to 1.300 SG 0.01sg ±0.01sg Adblue  30 to 35% 0.5% ±0.5% Cleaner -40℃ to -10℃ 1℃ ±1℃

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%  

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

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%

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

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

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

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%

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℃

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

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%

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

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

The RHA-300FA model handheld coolant and battery acid refractometer measures the freezing point temperature (in ℉) of ethylene glycol or propylene glycol based automobile antifreeze, and the specific gravity (sg) of battery acid. The specifications of these scales 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  -60℉ to 32℉ 10℉ ±10℉ Propylene -50℉ to 32℉ 10℉ ±10℉ Battery Fluid 1.150 to 1.300 SG 0.01sg ±0.01sg

The RHB-20A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 0 to 20% Brix, with an accuracy of ±0.2%.   This model is suitable for measuring Brix levels in low to medium 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 20% 0.2% ±0.2%

The RHA-503FA handheld coolant and battery fluid refractometer can be used to measure the freezing temperature (in ℉) of automotive antifreezes based on ethylene glycol or propylene glycol, automotive windshield cleaning fluids, and the specific gravity (SG) of battery fluids. 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. It also has an Automatic Temperature Compensation function (ATC), which can provide accurate readings at different ambient temperatures.   Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene  -70℉ to 32℉ 5℉ ±5℉ Propylene -60℉ to 32℉ 5℉ ±5℉ Cleaner -40℉ to 32℉ 10℉ ±5℉ Battery Fluid 1.100 to 1.400 SG 0.01sg ±0.01sg

The RHAN-757A handheld coolant and DEF (Adblue) refractometer measures the freezing temperature (in ℉) of automotive antifreeze based on ethylene glycol or propylene glycol, the urea concentration of DEF, and the specific gravity (SG) of battery fluid. 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 0 to 40% 1% ±1% Ethylene  -60℉ to 32℉ 1℉ ±1℉ Propylene -60℉ to 32℉ 1℉ ±1℉ Battery Fluid 1.100 to 1.300SG 0.01SG ±0.01SG

The RHB-40A model handheld Brix refractometer measures sugar concentration level in the liquid. It features two sets of scales: Brix and Baume, the specifications of which are listed in the table below.   This model is suitable for measuring sugar concentration in most common solutions. 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 40% 0.2% ±0.2% Baume 0 to 20 0.2 ±0.2%

The RHA-100A model handheld coolant and battery fluid refractometer measures the freezing point temperature (in ℉) of ethylene glycol or propylene glycol based automobile antifreeze, and the specific gravity (sg) of battery acid. The specifications 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  -84℉ to 32℉ 5℉ ±5℉ Propylene -60℉ to 32℉ 5℉ ±5℉ Battery Fluid 1.100 to 1.400 SG 0.01sg ±0.01sg

The DEF-35A Handheld Adblue Refractometer measures the percentage of urea concentration in diesel exhaust fluid (DEF or Adblue). It  has a measurement range of 0-35% Adblue and an accuracy of ±1%.   This model is commonly used in the fields of automotive maintenance, vehicle emissions control, and diesel engine servicing. The main body of the instrument is made of copper materials 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 to 35% 1% ±1%

The RHA-501A model handheld coolant and battery acid refractometer measures the freezing point temperature (in ℃ and ℉) of ethylene glycol or propylene glycol based automobile antifreeze, and the specific gravity (SG) of battery fluid. The specifications 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℃-0℃ & to 60℉-32℉ 5℃ & 10℉ ±1℃ & ±2℉ Propylene -50℃-0℃ & to 50℉-32℉  5℃ & 10℉ ±1℃ & ±2℉ Battery Fluid 1.100-1.400 SG 0.01sg ±0.01sg

The RHA-787A handheld coolant and battery fluid refractometer can be used to measure the freezing temperature (in ℃ and ℉) of automotive antifreeze based on ethylene glycol or propylene glycol, as well as the specific gravity (SG) of battery fluid. The specific 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. It also has an Automatic Temperature Compensation function (ATC), which can provide accurate readings at different ambient temperatures.   Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene  -60℃ to 0℃  -70℉ to 32℉ 2.5℃  5℉ ±2.5℃  ±5℉ Propylene -70℃ to 0℃  -90℉ to 32℉  1℃  5℉ ±1℃  ±5℉ Battery Fluid 1.100-1.400 SG 0.01sg ±0.01sg

The RHW-25A handheld Alcohol refractometer is suitable for measuring the percentage of alcohol content in liquids, with a measurement range of 0-25% Alcohol.   The main body of the instrument is made of copper materials 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 Alcohol 0 to 25% 0.2% ±0.2%

The RHB-55A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 0 to 55% Brix, with an accuracy of ±1%.   This model is suitable for measuring Brix levels in medium to high sugar concentration solutions, including concentrated juices, beverages, and food products,  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 55% 1.0%  ±1%

The RHW-25A handheld alcohol and wine refractometer is suitable for measuring the Alcohol persentage and Baume value in wines, with a measurement range of 0-20% Baume and 0-25% Alcohol.   This model can be used in the wine-making process for grape maturity and wine quality control. The main body of the instrument is made of copper materials 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 Alcohol 0 to 25% 0.2% ±0.2% Baume 0 to 20 0.2 ±0.2

The RHB-62A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 28 to 62% Brix, with an accuracy of ±0.2%.   This model is suitable for measuring Brix levels in high sugar concentration solutions, such as concentrated juices and beverages, honey, and syrups. 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 28 to 62% 0.2%  ±0.2%

The RHW-25bA handheld alcohol and wine refractometer measures the sugar concentration and alcohol percentage in liquids, with a measurement range of 0-25% Brix and 0-25% Alcohol.   This model can be used in the wine-making process for grape maturity and wine quality control. The main body of the instrument is made of copper materials to maximize measurement accuracy and durability. This model has Automatic Temperature Compensation (ATC). Models without ATC are also available for a lower price.   Measurement Specifications Scale(s) Ranges Resolution Accuracy Alcohol 0 to 25% 0.2% ±0.2% Brix 0 to 40% 0.2% ±0.2%  

The RHB-82A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 45 to 82% Brix, with an accuracy of ±0.5%.   This model is suitable for measuring Brix levels in high sugar concentration solutions, such as syrup, concentrated juices and beverages, and other sweetening products. 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 45 to 82% 0.5%  ±0.5%

The RHA-403A handheld coolant and battery fluid refractometer measures the freezing point temperature (in ℃) of automotive antifreezes based on ethylene glycol or propylene glycol, automotive 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. It also has an Automatic Temperature Compensation function (ATC), which can provide accurate readings at different ambient temperatures.   Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene  -50℃ to 0℃ 5℃ ±5℃ Propylene -50℃ to 0℃ 5℃ ±5℃ Cleaner -40℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.150 to 1.300 SG 0.01sg ±0.01sg

The RHA-503A handheld coolant and battery fluid refractometer measures the freezing point temperature (in ℃) of automotive antifreezes based on ethylene glycol or propylene glycol, automotive windshield cleaning fluids, and the specific gravity (SG) of battery fluids. 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. It also has an Automatic Temperature Compensation function (ATC), which can provide accurate readings at different ambient temperatures.   Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Ethylene  -50℃ to 0℃ 5℃ ±5℃ Propylene -50℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.100 to 1.400sg 0.01sg ±0.01sg Cleaner -40 to 0℃  5℃ ±5℃ 

The RHB-080A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 0 to 80% Brix, with an accuracy of ±1%.   This model is suitable for measuring Brix levels in most common solutions, including fruit and vegetable juices, beverages, food products, and cutting oils. 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 80% 1.0%  ±1%  

The RHW-80aA Handheld Alcohol Refractometer measures the percentage of alcohol and sugar content in high alcohol solutions, with a measurement range of 0-80% Alcohol and 0-20% Brix. Ideal for quality control for spirits and liquors, as well as other high alcohol content solutions. Copper body for improved durability and accuracy. This model has Automatic Temperature Compensation(ATC). Models without ATC are also available for a lower cost.   Measurement Specifications Scale(s) Ranges Resolution Accuracy Brix 0 to 20% 0.2% ±0.2% Alcohol 0 to 80% 1% ±1%

The RHB-92A model handheld Brix refractometer measures sugar concentration level in the liquid. It features a measurement range of 58 to 92% Brix, with an accuracy of ±0.5%.   This model is suitable for measuring Brix levels in highly concentrated solutions, such as concentrated juices, honey and syrups, and concentrated 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) Range Resolution Accuracy Brix 58 to 92% 0.5%  ±0.5%

The RHW-1.10A Handheld Alcohol Refractometer is specifically designed for beer quality control. It measures the wheat concentration in beer, with a measurement range of 1.000 to 1.100 SG, and an accuracy of ±0.002 SG.   This model is ideal for quality control during beer brewing. The main body of the instrument 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 Bear wort 1.00 to 1.10SG 0.002SG ±0.002SG

The RHAN-504A handheld coolant, DEF(Adblue) and battery fluid refractometer measures the freezing temperature (in ℃) of ethylene glycol or propylene glycol bsed automotive antifreezes and windshield cleaning fluids, urea concentration in the viechle's DEF, and the specific gravity (SG) of battery fluids. 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) Measurement Range Resolution Accuracy Ethylene  -50℃ to  0℃ 5℃ ±5℃ Propylene -50℃ to  0℃ 5℃ ±5℃ Battery Fluid 1.100 to 1.400 SG 0.01sg ±0.01sg Adblue  0 to 40% 5% ±5% Wiper fluid -40 to 0℃ 10℃ ±5℃

The RHL35-80A Handheld Contact Lenses Refractometer is design specifically to measure the percentage of water content in contact lenses, with a measurement range of 35 to 80% and an accuracy of ±1%. The main body of the instrument is made of copper materials to maximize measurement accuracy and durability. This model is equipped with an Automatic Temperature Compensation function (ATC). We also offer an economical version without ATC.   Measurement Specifications Scale(s) Ranges Resolution Accuracy Water 35 to 80% 1.0% ±1%

The RHAN1.44-1.52A Handheld Refractive Index refractometer is used to measure the refractive index in liquids, with a measurement range of 1.435 to 1.52 nD, and an accuracy of ±0.001ND.   This model is suitable for measuring medium to high concentration solutions, including concentrated fruit and vegetable juices, beverages, and other food products. 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 Redolution Accuracy Refractive Index 1.435 to 1.52nD 0.001nD ±0.001nD

The RHD-25A model soymilk refractometer is design especially for the quality control of soymilk products. It measures the percentage of solids in soymilk, with a measurement range of 0-25% and an accuracy of ±1%.   The main body of the instrument is made of copper material to maximize measurement accuracy and durability.  This model is equipped with an Automatic Temperature Compensation function (ATC). We also offer an economical version without ATC.   Measurement Specifications Scale(s) Ranges Resolution Accuracy SM 0 to 25% 1.0% ±1%

The RHS-10A handheld Salinity refractometer is used to measure the salt concentration and density in liquids.    It is equipped with two sets of scales: salinity and density values, with specific parameters shown in the table below. 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) Range Resolution Accuracy Salinity 0 to 100‰ 1‰ ±1‰ Salt Density 1.000 to 1.070 g/mL 0.001 g/mL ±0.001 g/mL

• The RHH12-30A handheld honey refractometer is suitable for measuring the moisture content of honey, with a measurement range of 12% to 30% honey moisture and an accuracy of ± 0.1%. • The instrument body is made of copper material to maximize measurement accuracy and durability. • This model is equipped with Automatic Temperature Compensation (ATC) function, and we also offer an economy version without ATC.   Measurement Specifications Scale(s) Ranges Min. Division Accuracy Honey 12 to 30% 0.1 ±0.1

The RHC-200A Handheld Medical Protein Refractometer is a portable tool used in the medical and healthcare industry. measures the specific gravity of urine, serum protein and refractive index of human beings and animals. The measurement ranges can be found in the table below.   The main body of the instrument is made of copper material to maximize measurement accuracy and durability. This model is equipped with an automatic temperature compensation function (ATC). We also provide an economical version without ATC.   Measurement Specifications Scale(s) Ranges Resolution Accuracy  Serum P 0 to 12g/dl 0.2 ±0.2 Urine SP.G 1.000 to 1.500sg 0.05 ±0.05  Refactive Index 1.330 to 1.360 0.0005 ±0.0005

The RHS-28A handheld Salinity refractometer is used to measure the salt concentration in liquids, with a measurement range of 0 to 28% Salinity.   This model can be used in aquaculture, food processing, and laboratories. 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) Range Resolution Accuracy Salinity 0 to 28% 0.2% ±0.2%

The RHH13-25A handheld honey refractometer is suitable for measuring the moisture content of honey, with a measurement range of 13-25% Water and an accuracy of ±0.1%   The main body of the instrument is made of copper material to maximize measurement accuracy and durability. This model is equipped with Automatic Temperature Compensation (ATC). We also offer an economical version without ATC.   Measurement Specifications Scale(s) Measurement Range Resolution Accuracy Water 13 to 25% 0.1 ±0.1%

The RHB-90A Handheld Honey Refractometer is the ideal tool for honey quality control. It measures the moisture content, Baume degree and sugar content of honey.    This model is equipped with Automatic Temperature Compensation (ATC). We also offer an economical version without ATC. Highly Durable - main body is made of copper. Improved Accuracy - optical crown glass prism to maximize accuracy.   Measurement Specifications Scale(s) Ranges Min. Division Accuracy Brix 58 to 90% 0.5% ±0.5% Baume 38 to 43 0.5 ±0.5 Water 12 to 27% 1.0% ±1%

The RHA-200A model handheld antifreeze and Battery acid refractometer measures the freezing point temperature (in ℃) of ethylene glycol or propylene glycol based automobile antifreeze, and the specific gravity (SG) of battery fluid. The specifications of these measurement scales 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  -60℃ to 0℃ 5℃ ±5℃ Propylene -50℃ to 0℃ 5℃ ±5℃ Battery Fluid 1.100 to 1.400 SG 0.01SG ±0.01SG

The RHA-501TA model handheld coolant and battery acid refractometer measures the freezing point temperature (in ℃) of ethylene glycol or propylene glycol based automobile antifreeze, and the specific gravity (SG) of battery acid. The specifications of these measurement scales 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 1.100 to 1.400 SG 0.01SG ±0.01SG

The RHBS-28A handheld salinity refractometer is used to measure the concentration of liquids containing soluble Salts (sodium chloride), and it can also measure the Brix concentration of solutions. The measurement parameters are shown in the following table.   The main body of the instrument is made of copper material to maximize measurement accuracy and durability. This model is equipped with an Automatic Temperature Compensation function (ATC). We also provide an economical version without ATC.   Measurement Specifications   Scale(s) Range Resolution Accuracy Salinity 0 to 28% 0.2% ±0.2% Brix 0 to 30% 0.2% ±0.2%