Cummins DEF Quality Sensors And Their Effectiveness

Cummins DEF Quality Sensors are revolutionary pieces of equipment designed to help ensure the quality of diesel exhaust fluid (DEF). This article will discuss how these high-quality sensors work and why they are crucial for the trucking, construction, and tractor markets.

What is a DEF Quality Sensor?

DEF Quality Sensors detect the presence of contamination in DEF before it is used in engines. Since DEF is 32.5% urea (or aqueous ammonia solution) and 67.5% deionized water, the sensors are designed to detect other compounds that could be present in the fluid.

The sensors measure the conductivity, pH, and temperature of the DEF solution and its chemical composition. If any of these measurements are outside the normal range, it signals a possible issue with the quality of the fluid.

How does the DEF quality sensor work?

Diving deeper, the sensors use optical and electrical technologies to sense the quality of DEF fluid. The sensor can determine whether or not contamination is present by analyzing the turbidity, total dissolved solids (TDS), and temperature levels.

The sensors also provide an early warning system for emissions-related issues, as they can detect tailpipe exhaust signs indicating an engine problem. These early signs allow operators to address any issues quickly and efficiently before they become more serious.

What are DEF Tanks?

DEF tanks are plastic containers that store DEF fluids. These tanks must be properly maintained and regularly tested to ensure the quality of the fluid inside them.

Where are DEF sensors located?

The DEF quality sensor location is typically near the DEF tank to ensure that contaminated fluid is detected quickly. Some Cummins DEF Quality Sensors can also be mounted directly onto the engine to provide real-time data on DEF quality and contamination.

Working On DEF Quality Sensors

All diesel engine manufacturers must include tiered warning systems and gauges on the dashboard to let drivers of their vehicles understand precisely how low the fuel level is in the tank.

A warning light will turn on if the levels fall below 10%. If levels fall to 5%, the lamp will start blinking; if levels fall to 2.5%, the light will turn orange. If the truck completely empties its tank, then the vehicle speed drops to five miles per hour until the tank is filled again.

The Role of DEF Quality Sensors in Environment Protection

DEF Quality Sensors are an essential part of reducing emissions from diesel engines. By detecting contamination in DEF before it is added to the engine, these sensors can help reduce pollution caused by inefficient combustion and other emissions-related issues.

When diesel fuel is passed through the DEF quality sensor, the toxic component of diesel fumes - ammonia - is converted back into safer nitrogen gas to release into the atmosphere. This makes for a reduction in air pollution.

Cummins DEF Sensors Benefits

Cummins DEF Quality Sensors provide several significant benefits, including:

• Quality control - Ensures the quality of DEF before it is added to engines, reducing the risk of engine damage and costly repairs

• Cost-effectiveness - Monitors and maintains DEF quality cheaply

• Emission control - Helps reduce emissions from diesel engines by detecting contamination in DEF and alerting users before it enters the engine

• High System Accuracy - Provides accurate readings of the DEF fluid’s conductivity, pH, temperature, and chemical composition

Frequently Asked Questions

Are you looking to learn more about Cummins DEF Quality Sensors? Here are some frequently asked questions.

How much does it cost to replace a DEF sensor?

The cost to replace a DEF sensor can vary, but they typically cost around $300. However, due to global computer chip shortages causing a backlog in sensor production, the part may be offered for sale on digital retail sites such as eBay for as much as $7,000 , according to some industry technicians.

How do DEF fluids degrade?

DEF fluids can degrade due to contamination, exposure to extreme temperatures (direct sunlight or temperatures above 86° F (30° C)), or long-term storage. Contaminants such as water, fuel, and oil can all lead to reduced performance of the DEF fluid.

What are the requirements for DEF?

The International Organization for Standardization (ISO) sets DEF purity and cleanliness requirements. ISO 22241 and Cummins Service Bulletin 4021566 define the standards to meet DEF requirements.

What is the DEF sending unit?

The DEF sending unit does two things. It integrates liquid levels and temperature measurements and controls the DEF fluid through a heating system that uses the engine’s coolant for heat.

What are the components of a DEF sending unit?

The components of a DEF sending unit include the sensor, wiring harness, and mounting bracket.

When do I need a DEF sensor replacement?

You should replace all Cummins DEF Quality Sensors every two years or when the warning light activates. These sensors can become clogged and lead to inaccurate readings of the DEF level in your tank. And if the sensor is not working correctly, it could lead to an inaccurate reading of your DEF tank levels and cause you to run out of fluid while driving, leading to a significant drop in engine performance.

What is the SCR system?

The SCR system, also known as the Selective Catalytic Reduction (SCR) system, is a device that reduces emissions from diesel engines. It uses DEF fluid to convert harmful emissions into harmless nitrogen and water vapor.

Is there a Cummins DEF quality sensor bypass?

A sensory bypass allows the engine to run without replacing the sensor every time it goes bad. However, this bypass should only be used as a last resort as it can cause severe damage to your vehicle’s engine if not done correctly and monitored closely.

Understanding Your DEF Quality Sensor Needs at Heavy Duty Pros

Cummins DEF Quality Sensors have become an important part of the construction, trucking, and tractor markets. These sensors help ensure the quality of DEF used in engines and reduce emissions by detecting contamination before it enters the engine. Cummins DEF Quality Sensors are cost-effective and provide accurate readings for optimal system performance.

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