The ST355A Digital Refractometer is a compact, accurate, and easy-to-use instrument for measuring sugar concentration in food, beverage, and agricultural applications. Featuring Automatic Temperature Compensation (ATC), this refractometer delivers stable and reliable readings across varying ambient conditions, making it ideal for both field and laboratory use.
It accurately measures 0–55% Brix, allowing precise evaluation of sugar content in fruit juice, honey, beverages, syrups, and liquid food products. The digital display eliminates manual interpretation, ensuring faster testing and reduced human error.
Key Features & Benefits
- Wide Measuring Range (0–55% Brix)
Suitable for fruit juices, honey, soft drinks, syrups, and food processing liquids. - Automatic Temperature Compensation (ATC)
Ensures accurate readings within 10–40°C, minimizing temperature-related deviations. - High Accuracy & Resolution
- Resolution: 0.1% Brix
- Accuracy: ±0.2% Brix
- Digital LCD Display
Clear, easy-to-read results for Brix percentage and refractive index. - Fast & Simple Operation
Just add a few drops of the sample and press the measurement button. - Portable & Lightweight Design
Handheld ABS housing is ideal for on-site inspections and mobile testing. - Low Sample Requirement
Only a small amount of liquid is needed for accurate measurement.
Typical Applications
The ST355A Digital Refractometer is widely used in:
- Fruit juice & beverage production
- Honey processing & quality testing
- Food & confectionery industries
- Agriculture & horticulture
- Sugar content inspection & quality control
- Research labs & educational institutions
Technical Specifications
- Material: ABS
- Measuring Range: 0–55% Brix
- Resolution: 0.1% Brix
- Accuracy: ±0.2% Brix / ±0.5℃
- Refractive Index Display: 1.333 – 1.426
- Automatic Temperature Compensation: 10–40℃
- Ambient Operating Temperature: 10–40℃
- Power Supply: 3 × 1.5V AAA batteries (not included)
- Item Size: 113 × 56 × 26 mm
- Item Weight: 110 g
- Package Weight: 187 g
Why Buy from kommullo.com
- Trusted supplier of laboratory and industrial testing instruments
- Verified, quality-checked products from reliable manufacturers
- Competitive B2B pricing for bulk and wholesale orders
- Technical support before and after purchase
- Secure packaging and reliable delivery
- Suitable for exporters, distributors, and professional buyers
The ST355A Digital Refractometer is a cost-effective, accurate, and user-friendly solution for professional sugar concentration testing—ideal for businesses that demand consistency, efficiency, and dependable performance.
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