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Gas Volume Analyzer

PRODUCTS > ANALYTICAL INSTRUMENTS > Gas Volume Analyzer
This measuring instrument automatically measures gas volume / internal gas pressure, air content and oxygen concentration for quality control in the bottling process of carbonated drinks, etc.
Gas Volume Analyzer GVA-700

Download Brochure

(EN; 3.89 MB)
Applications

Soft drinks and brewery: it can automatically measure gas volume / internal gas pressure, air content and oxygen concentration for quality control in the bottling process of soft drinks, etc.

Features:

  • Only by setting a sample container on the sample stage, all the procedures are performed automatically; punching, depressurizing, stirring of a sample, absorption of measurement gas and so on.
  • By continuously rotating a sample container, the balance pressure of gas and sample temperature in the container are measured and calculated into gas volume / internal gas pressure, which are displayed on the LCD.
  • Furthermore, carbon dioxide in the sample gas is absorbed into alkaline solution to leave only nitrogen and oxygen, and then calculate air content using the residual gas volume and oxygen concentration, which are displayed on the LCD.
  • Data printing is available by connecting an external printer to the RS-232C port and 100 measurement results can be recorded in a USB flash drive via the USB port.
Technical Specifications
Measuring items:
  1. Gas volume / internal gas pressure of carbonated drink
  2. Gas volume / internal gas pressure of carbonated drink, air content & oxygen concentration
  3. Inside gas pressure of non-carbonated drink
Measuring Range:
  1. Pressure：55 to 10cmHg and 9.8kPa to 0.490MPa (0.1 to 5.0kgf/cm2G)
  2. Temperature：0 to 50℃
  3. Residual Gas Volume: 0 to 30mL (Residual gas volume after the absorption of alkaline aqueous solution)
  4. Oxygen Concentration：0 to 21%(Oxygen concentration measurement is not available when the residual gas volume is 8mL or less.)
Measurement Accuracy:
  1. Pressure: ±0.001MPa （±0.01kgf/cm2G）
  2. Temperature: ±0.05℃
  3. Residual gas volume: ±2% (for 5mL or over and 30mL or less) for the measured value; ±0.1mL (for 0mL or over and 5mL or less) for the measured value
  4. Oxygen Concentration：±0.2%
Calibration:
Gas volume:
Calculation of gas volume / internal gas pressure by using the balance pressure inside the sample container and sample temperature.
Calculation formula for the soft drink standard(*1) or the EBC standard (*2) can be selected.
*1 According to “Chart 13-2 Table of absorption coefficients of carbon dioxide” in revised Soft drinks overseen by Japan Soft Drink Association
*2 According to ASBC Methods of Analysis -Beer-13: Dissolved Carbon Dioxide
Air Content：
Calculation of air content by using the residual gas volume and oxygen concentration after absorbing carbon dioxide in the alkaline aqueous solution
Please refer to the brochure for more information.
 
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