If you choose a mass meter, it is indeed capable of measuring various units of mass and volume simultaneously, including liters, gallons, and kilograms (kg). 

Product Features:

1. Automatic Proportion Adjustment: The product automatically adjusts the ratio of butane and propane, ensuring precise and efficient fuel blending according to the desired specifications.

2. Optional Printer: An optional printer feature allows for easy and accurate record-keeping of fuel transactions, providing a physical receipt for customers.

3. Integer Sale Stop: It stops fueling automatically once the desired quantity in integer units is reached, simplifying the sales process and preventing overfilling.

4. Touch Screen Display: Equipped with a touch screen interface, the product offers a user-friendly and intuitive operation experience, making it easy to navigate through various settings and functions.

5. Automatic Temperature Compensation: This feature automatically adjusts fuel volume measurements based on ambient temperature changes, ensuring accurate and consistent fuel delivery regardless of weather conditions.

6. Electronic Calibration: The product allows for electronic calibration, eliminating the need for manual adjustments and ensuring long-term accuracy and reliability.

7. Fueling Times Limit: It can be configured to limit the number of fueling transactions within a specific time frame, helping to manage fuel usage and prevent abuse.

8. Solar Power Option: An optional solar power function allows the product to operate using renewable energy sources, reducing electricity costs and environmental impact.

9. Configurable Decimal Point Display: The display can be set to show decimal points, making it suitable for use in countries with different currency rates and fuel pricing systems.

10. Communication Ports: Equipped with communication ports, the product can seamlessly integrate with gas station management systems, facilitating data transfer and remote monitoring.

11. GPRS Connectivity: With the optional GPRS function, users can connect the product to their mobile phones, enabling remote access to data and the ability to set unit prices anytime, anywhere.

12. OEM Customization: The product can be customized according to specific requirements (OEM), allowing for tailored solutions that meet unique business needs and branding requirements.