What factors affect the accuracy of fuel dispensers

The accuracy of fuel dispensers is affected by various factors, which can be roughly classified into three categories: equipment factors, environmental factors, and human factors. The following is a detailed analysis of these factors:

1、 Equipment factors

Quality of measuring components:

The measuring components of a fuel dispenser mainly include metering pumps, meters, and Flow meters. The accuracy and stability of these components directly affect the measurement accuracy of the fuel dispenser. For example, the relationship between the speed and flow rate of the metering pump, as well as the accuracy of the metering meter, are key factors.

If the quality of the measuring components is poor or there are problems such as wear and aging, it will lead to an increase in measurement errors and affect the accuracy of the fuel dispenser.

Working status of oil and gas separator:

The oil and gas separator is an important component of the fuel dispenser, used to discharge the gas mixed in the oil and reduce the error of flow measurement. If the oil and gas separator works abnormally, such as poor separation effect or damage, it will directly affect the measurement accuracy of the fuel dispenser.

Other equipment malfunctions:

Damage to the computer motherboard, damage to the optical slot inside the sensor, and malfunction of the measurement converter can all lead to a decrease in the accuracy of the fuel dispenser. These faults may lead to issues such as lost counting pulses and incorrect fuel quantity calculations.

2、 Environmental factors

Temperature variation:

Temperature has a significant impact on the viscosity and fluidity of fuel, which in turn affects the measurement accuracy of fuel dispensers. The measurement results of fuel may vary at different temperatures. Modern fuel dispensers are typically equipped with temperature and pressure sensors to calibrate measurement results, but under extreme temperature conditions, accuracy may still be affected.

Humidity and air pressure:

Meteorological factors such as humidity and air pressure may also affect the density and fluidity of fuel, thereby having a certain impact on the measurement accuracy of fuel dispensers. Although this impact is relatively small, it still needs to be noted in certain specific environments.

Vehicle vibration:

When refueling a vehicle while in motion, the refueling machine is affected by vehicle vibrations. This vibration may increase the high and low pressure errors of the metering pump and meter, thereby affecting the metering accuracy of the fuel dispenser.

3、 Human factors

Operational error:

The operational skills and proficiency of refueling personnel have a certain impact on the measurement accuracy of fuel dispensers. For example, refueling personnel may experience an increase in measurement errors due to improper operation during the refueling process. In addition, the maintenance and upkeep of fuel dispensers by refueling personnel can also affect their measurement accuracy.

Fraudulent behavior:

Some gas stations may engage in fraudulent behavior to reduce the measurement accuracy of fuel dispensers in order to make huge profits. For example, reducing the actual fuel volume by controlling the metering pump speed of the fuel dispenser and using low-quality oil. This behavior not only harms the interests of consumers, but also violates relevant laws and regulations.

4、 Other factors

Calibration and maintenance status:

Fuel dispensers require regular calibration and maintenance to ensure their measurement accuracy. If calibration is not timely or maintenance is not in place, it will lead to an increase in the measurement error of the fuel dispenser.

Fuel quality:

Impurities and moisture in fuel may also affect the measurement accuracy of fuel dispensers. If the fuel quality is poor, it will increase the burden on the filtration system and may affect the accuracy of the meters and Flow meters.

In summary, the accuracy of fuel dispensers is affected by various factors. In order to ensure the accuracy of fuel dispenser measurement, it is necessary to comprehensively consider these factors and take corresponding measures for improvement and optimization. At the same time, consumers should also pay attention to choosing gas stations with high reputation and good equipment conditions for refueling.

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.