Introduction
An alcohol and grape refractometer is a hand-held optical instrument used to measure the sugar content of the grapes, the musts, and the wines, and the alcohol content of the finished wines, and it is used in the viticulture, the winemaking, the food, and the quality control applications. The refractometer measures the refractive index of the sample, which is related to the concentration of the dissolved solids, such as the sugars, and it provides the readings in the Brix, the Oechsle, the KMW, or the alcohol percentage scales, and it is calibrated for the grape and the wine measurements; the alcohol and grape refractometer consists of the optics with the prism and the scales, the sample well, and the eyepiece, and it is used by the placement of a few drops of the sample on the prism and the observation of the scale, with features such as the automatic temperature compensation; the alcohol and grape refractometer is used for the measurement of the sugar content of the grapes before and during the harvest, for the monitoring of the fermentation, for the measurement of the alcohol content of the wines, for the quality control, for the blending, and for many other applications, and it is available in various models, with the different scales and the resolutions; the alcohol and grape refractometer is an essential instrument for the winemaking. Alcohol and grape refractometers are used in the vineyards, in the wineries, in the laboratories, in the quality control, and for many other applications. With their refractive index measurement, alcohol and grape refractometers are essential for the winemaking and the quality control.
Alcohol & Grape Refractometer T-S263RFM
Alcohol & grape is a refractometer equipped with automatic temperature compensation(ATC) that adjusts itself to correct temperature discrepancies during usage. Features vivid and sharp re...
Alcohol & Grape Refractometer T-S264RFM
Alcohol & grape is a refractometer equipped with automatic temperature compensation(ATC) that adjusts itself to correct temperature discrepancies during usage. Features vivid and sharp re...
Alcohol & Grape Refractometer T-S261RFM
Alcohol & grape is a refractometer equipped with automatic temperature compensation(ATC) that adjusts itself to correct temperature discrepancies during usage. Features vivid and sharp re...
Alcohol & Grape Refractometer T-S262RFM
Alcohol & grape is a refractometer equipped with automatic temperature compensation(ATC) that adjusts itself to correct temperature discrepancies during usage. Features vivid and sharp re...
Alcohol & Grape Refractometer T-S260RFM
Alcohol & grape is a refractometer equipped with automatic temperature compensation(ATC) that adjusts itself to correct temperature discrepancies during usage. Features vivid and sharp re...
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 designed for measuring alcohol content and grape must density in winemaking applications.
2. Dual-scale reading displays alcohol percentage and Brix or Oechsle value simultaneously for quick field assessment.
3. Automatic temperature compensation maintains reading accuracy across ambient temperature variations in the vineyard.
4. Rugged rubberized body and splash-proof design support outdoor use during harvest and fermentation monitoring.
5. Calibration screwdriver and instruction manual are included for user-performed zero adjustment with distilled water.
FAQ
Q1: What testing scenarios is this instrument mainly applied to?
A: The alcohol grape refractometer is used by winemakers, vineyard technicians and small-scale distillers to monitor grape must sugar content before fermentation and estimate alcohol potential during winemaking. It supports harvest timing decisions, fermentation progress tracking and final alcohol content verification in small production settings where laboratory density meters are not available.
Q2: What standards does the instrument comply with?
A: The measurement principle follows refractometric methods referenced in OIV International Organisation of Vine and Wine recommendations and GB/T 15038 general analytical methods for wine and fruit wine. Readings are indicative and should be confirmed by laboratory methods for official reporting.
Q3: What is the warranty period for the whole machine and key components?
A: The refractometer is covered by a 12-month warranty against manufacturing defects. The optical prism and scale are covered under the standard warranty, while the calibration screwdriver and protective case are accessories not covered by warranty. Damage from dropping or corrosive liquid exposure is excluded.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation is simple: place a drop of sample on the prism, close the cover and read the scale against a light source. No professional training is required, but users should follow the cleaning and calibration instructions to avoid cross-contamination between samples.
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: Zero calibration with distilled water should be checked before each use session, especially after temperature changes or transport. Full accuracy verification against a reference sucrose solution is recommended every 6-12 months depending on usage frequency.
Q7: Are supporting consumables universal? What about the long-term procurement cost?
A: There are no recurring consumables. The only maintenance item is the protective case and cleaning cloth, which are standard accessories. The long-term ownership cost is very low for a handheld field instrument.
Q8: Can I customize parameters or supporting accessories?
A: Customization options include scale range, dual-scale combination and branded packaging for winery supply programs. Custom orders require minimum quantity and extend production lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: No installation is required for a handheld refractometer. The package includes a calibration screwdriver, instruction manual and protective case. On-site training is not included but can be arranged for large winery supply contracts.
Q10: What types of samples are compatible with this equipment?
A: The refractometer is designed for grape must, wine and clear fruit juices. Opaque, highly viscous or particle-laden samples may produce inaccurate readings and should be filtered or clarified before measurement. Strong acid or alkali samples can damage the optical prism.
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