All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(260 products available)
Ready to Ship
Ready to Ship
Ready to ShipRod-type level sensors come in various types, each designed to suit specific applications and environments.
These are the most straightforward implementations of a rod-type level sensor. A float moves up or down on a vertical rod, activating electrical contacts at preset levels. Mechanical float switches are often used in simple water and oil applications for their low cost and reliability.
Capacitive rod-type sensors measure changes in capacitance caused by the presence or absence of a target material. They can be used with liquids and solids and are often employed where ultrasonic level sensors cannot be, such as in containers with foamy surfaces.
Resistive level sensors, also known as conductive sensors, use the principle of electrical resistance to measure liquid levels. These sensors consist of multiple electrodes set at different levels on a rod. When a liquid rises to an electrode level, it completes an electrical circuit, allowing current to flow. Commonly used for conductive liquids like water, these sensors effectively detect levels in tanks and pipes. They are simple to use and very affordable.
TDR sensors use short pulses of electromagnetic energy along a waveguide (the sensor rod). The time it takes for the pulses to return indicates the distance to the product surface. TDR sensors are highly accurate, ideal for challenging conditions, and suitable for liquids and solids.
These sensors utilize a tuning fork-shaped resonance chamber. As the fork vibrates, the frequency changes when the fork comes into contact with the liquid/solid. Fork devices provide accurate level detection and work well in harsh environments.
Understanding the specifications and maintenance requirements for Rod-type level gauges is critical for their optimal performance and longevity.
Technical specifications for rod-type level gauges can vary widely depending on the industry and environmental conditions.
Monitoring parameters such as tank pressure, temperature, and fluid type can help determine the best sensor.
Rod-type level sensors offer versatile solutions across diverse industrial applications.
Reactive chemicals often found in chemical processing plants can be corrosive or hazardous. TDR and capacitive sensors can withstand these challenging environments while providing accurate level measurements.
In water treatment facilities, resistive sensors are commonly used to measure water and wastewater levels. Simple in design, these sensors are effective for detecting water levels in tanks or ponds.
The food and beverage industry requires sensors that meet hygiene standards. Vibrating fork sensors and ultrasonic liquid level sensors provide accurate liquid level measurements in storage tanks and production vessels while adhering to sanitary requirements. Sensors help maintain essential levels of ingredients and finished products.
Tank sensors equipped with TDR are designed for high pressure and temperature resistance. The sensors measure oil, gas, and petroleum product levels in storage tanks and pipelines.
Manufacturing facilities use rod-type sensors to monitor the levels of lubricants, cooling fluids, and other liquids in small tanks or sumps. These sensors ensure that critical fluids are always at the required levels for uninterrupted equipment operation and production.
Capacitive and resistive sensors are used to measure fuel, water, and bilge levels in ships and submarines. These sensors provide reliable measurements in the challenging marine environment of high salinity and motion.
Rod-type sensors, including vibrating fork sensors, help measure liquid levels in highly controlled environments. Pharmaceuticals are sensitive to contaminants, thus requiring sensors that meet strict standards. Rod-type sensors are equally effective in silos, bins, and hoppers containing dry bulk materials in solids.
Selecting the appropriate rod-type level sensor involves several key considerations.
The nature of the liquid being measured significantly impacts the choice of sensor. Resistive sensors are well-suited for conductive liquids like water. Capacitive sensors work effectively with both conductive and non-conductive liquids. TDR sensors are versatile and can measure various liquids.
The material and size of the container where the sensor will be installed also matters. Tank level sensors are designed for different container materials. Stainless steel and PVC are ideal for heavy duty, chemical-resistant sensors. PVC sensors are better for non-metal containers due to lower conductivity. In this case, the sensor should have a longer rod to reach the required depth.
Consider the conditions around the sensor. Immersion level switches are ideal for favorable conditions, while ultrasonic liquid level sensors are suited for extreme temperatures, pressures, or exposure to chemicals. Vibrating fork sensors provide reliable measurements in harsh and turbulent environments.
Identify the needs of the application. Such factors as precision needed, response time, and whether the application requires continuous measurement or point detection. Continuous sensors provide a constant level measurement, while point level sensors trigger alerts or actions when the liquid reaches a specific height.
When choosing a sensor, consider the power supply and output type. Vibration alarm sensors require different power sources, such as AC or DC, while output types vary, ranging from analog signals to digital outputs. These factors ensure that the sensor integrates seamlessly with existing monitoring systems.
Simplified installation and low maintenance are always preferred. Rod-type sensors with mounting brackets ensure easy installation. Resistance to wear and tear, along with high durability, work to minimize maintenance requirements.
A. Rod-type level sensors measure liquid or solid material levels in tanks, silos, or containers. They provide continuous or point-level detection based on the sensor's design.
A. Most rod-type sensors are made of stainless steel, PVC, and sometimes coated materials for chemical resistance. They are designed to withstand harsh industrial environments.
A. These sensors are commonly used in such industries as water treatment, chemical processing, food and beverage, oil and gas, and manufacturing.
A. The liquid or solid being measured, container material, environmental conditions, and application requirements are key factors in selecting the most suitable sensor.
A. Rod-type sensors are durable and require little maintenance. Regularly cleaning and inspecting them, followed by routine calibration, is important for ensuring long-term performance.
