Introduction
A handheld refractometer is a portable optical instrument used to measure the refractive index of liquids, and it is commonly used to determine the concentration of dissolved solids, such as the sugar content in foods and beverages, the concentration of solutions, and other properties, and it is used in food processing, agriculture, beverages, and many other industries. The refractometer measures the refractive index of the liquid, which is related to the concentration of dissolved substances; in operation, a small drop of the sample is placed on the prism of the instrument, the instrument is held up to the light, and the reading is observed through the eyepiece, with the boundary line in the field of view indicating the refractive index or the corresponding concentration, and handheld refractometers are available with various scales, such as Brix for sugar content, and scales for specific applications, such as salt content, alcohol content, and coolant concentration, and digital handheld refractometers display the reading on an LCD screen. Handheld refractometers are used for measuring the sugar content of fruits, juices, wines, and other beverages, for checking the concentration of syrups and sauces, for measuring the salinity of water and brines, for checking the concentration of cutting fluids and coolants, for measuring the alcohol content of spirits, for monitoring the concentration of cleaning solutions, for testing urine specific gravity, for measuring the concentration of antifreeze, and for many other applications, in food, agriculture, automotive, chemical, and medical fields, and they are rugged, simple to use, and portable. With their simplicity and portability, handheld refractometers are essential instruments for concentration measurement in the field and in the laboratory.
Handheld Refractometer LHRF-T2011
Handheld Refractometer is a compact and lightweight brix meter with a measuring range of 45 to 82%brix. It allows for accurate testing of liquids by utilizing light rays. It aids in the ...
Handheld Refractometer LHRF-T2010
Handheld Refractometer with automatic temperature compensation () is ideal for measurement of refractive index of material under varying temperature conditions during a production proces...
Standards
ISO 2173:2003-Fruit and vegetable products-Determination of soluble solids content-Refractometric method
Complies with the above standards, but is not limited to them.
Features
1. Handheld refractometer for portable, on-site refractive index and concentration measurement.
2. Compact, battery-free analog design for field and industrial use.
3. Suitable for agriculture, food, beverage, automotive, marine and industrial.
4. Includes refractometer, pipette, calibration screwdriver and operation manual.
5. Supports Brix, salinity, coolant, urine and other concentration measurements.
FAQ
Q1: What testing scenarios is this refractometer mainly applied to?
A: The handheld refractometer is used in agriculture, food and beverage production, automotive maintenance, marine aquarium, industrial quality control and field applications to rapidly measure the refractive index or concentration of liquids including sugar content (Brix), salinity, coolant concentration, urine specific gravity and industrial fluids in a portable, battery-free analog instrument. It supports fruit and crop sweetness assessment in agriculture, juice and beverage sugar content testing, wine and beer fermentation monitoring, automotive coolant and battery fluid testing, marine aquarium salinity monitoring, and industrial fluid concentration checks. The handheld analog design provides immediate, reliable measurement without batteries or power, making it ideal for field and on-site use. It is essential for agriculture, food, beverage, automotive, marine and industrial applications requiring portable, battery-free refractive index or concentration measurement for sugar content, salinity, coolant, urine specific gravity and industrial fluids, where the handheld analog design provides immediate, reliable on-site measurement without power, supporting agricultural field testing, food and beverage quality, automotive maintenance, marine aquarium and industrial applications requiring simple, durable, portable testing capability.
Q2: What standards does the refractometer comply with?
A: The handheld refractometer supports methods referenced in ICUMSA for sugar, ISO 1743 for glucose syrup, ASTM standards for specific applications, and relevant GB/T standards. The instrument follows applicable measurement standards. Calibration should use distilled water for routine zero verification. Specific scales (Brix, salinity, etc.) follow applicable measurement standards.
Q3: What is the warranty period for the whole machine and key components?
A: The whole handheld refractometer is covered by a 12-month warranty. The optical prism, body and scale are covered, while calibration tools, pipettes and cases are accessories. Damage from improper cleaning, dropping or unauthorized repair is excluded.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation is very simple: place a few drops of sample on the prism, close the cover, hold to light, and read the scale through the eyepiece. No professional training is required, but users should follow proper sample application, calibration and cleaning procedures. We provide an operation manual and remote guidance.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration with distilled water should be performed periodically, typically before each use session for critical measurements. Prism condition and cleanliness verified regularly. For precision instruments, full calibration with reference standards annually. Routine cleaning after each use.
Q7: Are supporting consumables universal?
A: Calibration tools and pipettes are available from general suppliers. Long-term consumable cost is very low for a handheld refractometer.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes measurement scale (Brix, salinity, coolant, urine, etc.), precision level, automatic temperature compensation (ATC), language and accessories. Additional pipettes and cases can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: No installation is required. The package includes the handheld refractometer, calibration tool and instruction manual. On-site service is not included for this type of handheld instrument.
Q10: What types of samples are compatible with this equipment?
A: The handheld refractometer measures refractive index or concentration of transparent liquids within the measurement range and scale specification. Opaque or highly colored samples may not be suitable for some models. Very viscous samples require proper spreading on the prism. Corrosive samples may damage the prism and require special handling. Users should ensure the prism is clean and dry before each measurement, apply sufficient sample to cover the prism, allow temperature equilibration or use ATC, calibrate regularly with distilled water, and clean the prism thoroughly after each use to prevent residue buildup. The appropriate scale should be selected for the specific application (Brix for sugar, salinity for salt, etc.), and results should be reported with the scale and temperature specified for accurate comparison. The refractometer should be handled carefully to avoid scratching the prism, and should be stored in a protective case when not in use. For field use, the instrument should be protected from extreme temperatures and direct sunlight that could affect the reading.
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