All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(1746 products available)
Sensors that detect fuel levels based on capacitance are available in numerous varieties. These varieties are meant for diverse fuel types and industrial situations. They measure fuel levels using the dielectric constant of fuels.
Capacitive Fuel Level Sensors
Capacitive fuel level sensors utilize the dielectric constant of the fuel to ascertain its level. The sensor incorporates two conductive plates. One is the sensor's base, and the other is the insulating material. The plates generate an electrical charge. When the fuel level rises or fluctuates, the fuel displaces the dielectric liquid. This causes a change in capacitance. The altered capacitance value is then interpreted into fuel level. The sensors are perfect for measuring non-conductive liquids, including fuel, oil, and water.
Ultrasonic Fuel Level Sensors
Ultrasonic sensors are distance sensors that utilize sound waves to measure fluid levels, including fuel. The sensor emits sound waves that travel through the air and hit the fuel's surface. The waves bounce back to the sensor. The return time is used to determine the distance between the sensor and the fuel's surface. Ultrasound technology uses sound waves with a frequency over 20 kHz, beyond the range of human hearing. Ultrasonic sensors are advantageous in measuring a broad range of liquid levels. These sensors are ideal for corrosive or hazardous liquids because they are non-contact.
Inductive Fuel Level Sensors
Inductive fuel level sensors work well for fuel with electrical conductivity. Measurements with these sensors are based on the dielectric constant, an aspect that differs from capacitive sensors. An electromagnetic field is generated between the sensor's electrode and the tank wall. The sensor emits a signal frequency. When the fuel level fluctuates, the conductivity changes the frequency of the emitted signal. The frequency change is inversely proportional to the fluid level. This allows the sensor to measure fuel levels accurately.
Radar-Based Fuel Level Sensors
A radar-based fuel level sensor uses microwave radar waves to measure fuel levels. The sensor emits microwave radar waves that travel through the atmosphere and hit the fuel's surface. The waves reflect back to the sensor. The time interval between emission and reflection is measured. This time interval is used to determine the distance between the sensor and the fuel surface. Radar sensors are greatly effective for measuring fuel levels in most situations. They are perfect for situations with high temperatures and pressures.
The principle of operation of the capacitance fuel level sensor 1000 mm entails measuring the fuel level using electrical capacitance.
Strong Materials
The capacitance fuel level sensor uses a premium 1000 mm stainless steel material. The material possesses durability and resistance to corrosion. Corrosion resistance enables excellent performance in several conditions, including adverse weather. This prolongs the sensor's lifespan and minimizes maintenance needs.
IP68 Rating
The IP68 rating guarantees that the sensor is dust-tight and can operate at a depth of 1.5 meters in constant water for over 30 minutes. This characteristic indicates that the sensor continues to work in harsh conditions, including submerged environments, without losing functionality.
Measurement Range
Capacitance fuel level sensors effectively measure fuel levels within a range of 500 mm to 1000 mm. This versatility allows the sensor to work for a broad range of tank sizes. The effective measurement range ensures great accuracy throughout the sensor's operation.
Strong Temperature and Pressure Features
The sensor can tolerate temperature levels between 20° C and 70° C. It can also work under pressure levels of up to 0.6 MPa. This allows the sensor to operate normally in adverse conditions, such as high-temperature environments.
DC Power Supply
The sensor operates with a DC power supply of 12-36 V. The sensor can use electrical energy from car electrical systems, gasoline generators, or solar panels. It operates under various conditions and in places where conventional power systems might not exist.
Sensing Accuracy
The sensing accuracy of the sensor is ±2 mm. This grants a high degree of accuracy when measuring fuel levels. Thus, it allows users to make well-informed decisions based on real-time data. The high accuracy also minimizes the chances of overfilling or running out of fuel.
Ensures Effective Fleet Management
At the commercial level, businesses with fleets of vehicles use capacitance fuel level sensors to monitor fuel levels in real time. This information helps businesses optimize fuel usage, reduce wastage, and lower operating costs.
Minimizes Downtime
Sensors help monitor fuel levels in real time and notify the users when they need to refill. This feature prevents fuel shortages that cause equipment or vehicle breakdowns and enables businesses to plan refueling without experiencing interruptions.
Enhances Safety and Compliance
Capacitance fuel level sensors help detect leaks, which may cause fire hazards, environmental damage, and unsafe working conditions. Detecting leaks early helps businesses address safety issues and comply with environmental regulations.
Data-Driven Decision Making
Data-driven decision-making refers to the practice of collecting and analyzing data from fuel level sensors to make decisions about fuel management. These decisions may include when and how to reorder fuel to minimize costs and maximize efficiency.
Improve Inventory Management
Fuel managers in logistics and transportation industries use the data from sensors to manage fuel inventory efficiently. Tracking fuel levels helps businesses avoid stockouts or overstock situations, which negatively impact operational costs.
Durability
The sensor should be robust enough to withstand external impacts from rough handling or adverse environmental conditions. A durable sensor ensures reliability and lowers the chances of failure in crucial situations.
Meter Readings
Customers should consider the display type of the sensor system, as its type and clarity can significantly affect its usability. Also, different fuel types will require users to choose different fuel level sensors. Capacitive fuel level sensors are meant to work with non-conductive liquids, while inductive sensors are suitable for conductive fuels.
Installation and Maintenance
To cut future costs, buyers should look for sensors that are easy to install and require a minimum upkeep. Wireless and uncomplicated sensors in design can help monitor fuel levels more efficiently.
Budget
Sensors come in a wide range of prices; knowing one's budget can help narrow the choices. Buyers should also consider the long-term advantages of high-quality sensors even though their initial cost may be high.
Technical Support and Warranty
Buyers should ensure that the manufacturer or supplier offers strong technical support and a reasonable warranty period for the sensor. A good warranty signifies the reliability of the product. Conversely, technical support can help resolve future issues and uncertainties with the sensor.
Compatibility
Customers should ensure that the sensor is compatible with their fuel system. They should look for sensors with well-matched measurement ranges, tank materials, and environmental conditions without much hassle.
The capacitance fuel level sensor detects fuel level by measuring the diesel fuel tank's variation in capacitance as the level of the fuel fluctuates. It consists of two metal probes (insulated from each other) that act as capacitor plates. The fuel between them acts as a dielectric medium.
A capacitance fuel gauge operates based on the principle of capacitance variation between the two electrodes as the level of the fuel changes. Compensation for temperature effects is used during this process. Temperature compensation is applied through an internal circuit or by modifying the capacitors.
The three types of fuel level sensors are ultrasonic, capacitive, and piezoelectric fuel level sensors. Ultrasonic fuel level sensors use sound waves to measure fluid levels. Capacitive fuel level sensors change capacitance the diesel fuel changes its dielectric constant. Piezoelectric sensors utilize the piezoelectric effect to detect fuel levels.
While a capacitive fuel level sensor measures the fuel level by detecting the variance in capacitance, a resistive fuel level sensor uses conductive liquid to pass an electric current through it, determining the fuel level. In addition, capacitive sensors are accurate and low-maintenance; resistive sensors are cost-effective and simple.
