Uji Emisi Gas Buang dengan Gas Analyzer || Membaca Hasil Ukur Emisi Gas || Ujian Praktik Kejuruan

Summary

This tutorial demonstrates how to use a gas analyzer to measure the emission levels of a vehicle's exhaust gases. The process involves setting up the device, calibrating it, and connecting it to a vehicle's exhaust pipe. The tutorial also covers the steps to perform the measurement, hold results, input vehicle information, and print the results. Finally, it explains how to interpret the results, comparing them with specifications for various gases like CO, HC, CO2, and O2. The tutorial concludes with advice on what to do if emissions do not meet standards.

Takeaways

• 😀 Gas analyzers are used to measure emissions from vehicle exhaust gases during combustion processes.
• 😀 To use the gas analyzer, connect the power cable and turn on the device by pressing the power button on the back.
• 😀 The device automatically calibrates before measuring emissions, with the calibration process being visually indicated as a number gradually decreasing to zero.
• 😀 Ensure the vehicle engine reaches operating temperature for accurate emission measurements.
• 😀 Properly position the probe into the vehicle’s exhaust pipe, making sure there are no obstructions or twists in the hose for reliable readings.
• 😀 After calibration, ensure the device displays 'ready' before beginning the emission measurement.
• 😀 Start the reading by pressing the appropriate button and wait until the data stabilizes before locking it with the 'hold' button.
• 😀 Input the vehicle's plate number using the on-screen arrows to adjust the digits one by one.
• 😀 The results can be printed once the data is stable and locked, showing emission levels for each measured gas.
• 😀 After testing, disconnect the probe, turn off the vehicle engine, and reset the gas analyzer for future use by pressing the 'zero' button to remove any remaining gas residues.
• 😀 The emission results are compared to standard specifications to determine if the vehicle passes the emission test, indicating whether the combustion process is efficient.

Q & A

What is the purpose of a gas analyzer in vehicle emissions testing?

A gas analyzer is used to measure the emissions from the exhaust gases of a vehicle. It helps to determine the levels of various gases, such as carbon monoxide (CO), hydrocarbons (HC), and carbon dioxide (CO2), which are produced during the combustion process in a vehicle's engine.

What is the first step in using the gas analyzer?

The first step is to connect the gas analyzer to a power source. This involves plugging in the cables and ensuring the device is properly powered on by pressing the power button located at the back of the analyzer.

What happens during the automatic calibration of the gas analyzer?

During automatic calibration, the gas analyzer adjusts itself to ensure accurate readings. This process involves the analyzer setting its internal readings to zero, which can be monitored on the screen as the values decrease until they reach zero.

Why is it important to let the vehicle's engine reach optimal temperature before taking measurements?

It is important because a warm engine provides more accurate emission readings. The combustion process stabilizes at the vehicle's operating temperature, ensuring that the emissions measurements reflect normal conditions.

How should the probe be positioned when measuring emissions?

The probe should be inserted into the vehicle’s exhaust pipe, ensuring that it is fully inserted without any kinks or blockages in the hose. This ensures accurate measurement and prevents interference with the readings.

What does the 'Hold' button do on the gas analyzer?

The 'Hold' button locks the current reading on the display. After the emissions readings stabilize, pressing 'Hold' ensures that the values remain on screen for further review or recording.

How do you input the vehicle’s license plate number into the gas analyzer?

To input the license plate number, use the arrow buttons on the analyzer's screen to adjust each digit of the number, moving through the numbers and entering them one by one until the full plate number is displayed.

What is the significance of the 'Zero' button on the gas analyzer?

The 'Zero' button is used to reset the analyzer and clear any residual gases in the system. Pressing this button prepares the analyzer for the next measurement by ensuring that no previous gas readings affect the new test.

What can cause a vehicle to fail an emissions test?

A vehicle can fail an emissions test if the combustion process is incomplete. This can be caused by factors like incorrect fuel mixture, insufficient oxygen, or malfunctioning components that affect engine performance and exhaust emissions.

How are the results of the emission test interpreted based on the carbon monoxide (CO) level?

The result for carbon monoxide (CO) is compared to the specification. In the example, a CO reading of 0.45% is well below the specification of 1.50%, meaning the emissions are within acceptable limits.