How accurate is the fuel dispenser

The accuracy of fuel dispensers is an important indicator for measuring their measurement accuracy, and the accuracy requirements for fuel dispensers in different countries and regions may vary due to differences in laws, regulations, and technical standards. The following is a detailed analysis of the accuracy of fuel dispensers:

1、 Definition of Fuel Dispenser Accuracy

The accuracy of a fuel dispenser usually refers to its error range when measuring fuel. The smaller the error range, the more accurate the measurement of the fuel dispenser. The accuracy parameters of a fuel dispenser mainly include the oil delivery accuracy and the oil inlet accuracy, which respectively refer to the accuracy of the fuel dispenser's oil delivery flow rate and oil inlet flow rate.

2、 Accuracy requirements for fuel dispensers in different countries and regions

China:

According to the provisions of the Measurement Law and the Verification Regulations for Measuring Instruments, the accuracy requirement for Chinese fuel dispensers is ± 0.5%. This means that during the refueling process, the error between the fuel quantity measured by the fuel dispenser and the actual fuel quantity should not exceed ± 0.5%.

In addition, some places have higher precision requirements for fuel dispensers, such as the accuracy requirement of ± 0.2% for fuel dispensers in Shanghai.

U.S.A:

The accuracy requirements for fuel dispensers in the United States are based on the American Metrology Act and the Scale Regulations. Generally speaking, the accuracy requirement for fuel dispensers is between ± 0.3% and ± 0.5%, depending on the model, accuracy level, and usage scenario of the dispenser.

Europe:

European countries have high precision requirements for fuel dispensers, and fuel dispensers that meet EU technical standards can achieve an accuracy requirement of ± 0.1%. This indicates that Europe has stricter standards for the accuracy of fuel dispenser measurements.

3、 Factors affecting the accuracy of fuel dispensers

Equipment aging: After prolonged use, the internal Flow meters, sensors, and other components of the refueling unit may wear or age, thereby affecting the accuracy of the measurement.

Improper operation: If the fuel dispenser is not operated correctly according to the regulations during the operation process, it may also lead to measurement errors.

Environmental factors, such as temperature and pressure, may also have a certain impact on the measurement accuracy of fuel dispensers.

4、 Measures to ensure the accuracy of fuel dispensers

Regular maintenance: The fuel dispenser needs to be regularly inspected and maintained, including cleaning the oil and gas recovery device, adjusting the metering pump, calibrating the oil level display, etc., to ensure that its metering accuracy meets the requirements.

Calibration of measuring instruments: Regularly calibrate the fuel dispenser according to the prescribed calibration cycle and method to ensure its accuracy meets the requirements. This is one of the important means to ensure the accuracy of fuel dispenser measurement.

Integrity management: Gas stations should strengthen management, establish a good reputation, and prevent fraudulent behavior from occurring. This helps to safeguard the rights of consumers and the image of gas stations.

5、 Conclusion

The accuracy of a fuel dispenser is an important indicator for measuring its measurement accuracy, and the accuracy requirements may vary in different countries and regions. In order to ensure the accuracy of the fuel dispenser, measures such as regular maintenance and calibration of measuring instruments need to be taken, and honest management needs to be strengthened. Consumers should also pay attention to the measurement of the fuel dispenser when refueling to protect their rights.

Wenzhou Jiahao Petroleum Machinery Co, Ltd is a professional manufacturer of petroleum machinery products since 2010. The main products are Fuel dispenser components including Automatic Fuel nozzle, Adblue DEF Nozzle, Vapor Recovery Nozzle, Flowmeter and Fuel pumps.