Measures Temperature Volumetric Liquid Flow Switches
Description
Measures Temperature Volumetric Liquid Flow Switches are devices designed to monitor and control the flow of liquid within a system. They are capable of detecting changes in flow rate and temperature, providing critical data to ensure the efficient operation of various processes. These switches can indicate flow, temperature, and level sensing in a single unit, making them versatile tools in fluid management systems.
Working Principle
The working principle of these switches often involves thermal dispersion technology. This technology uses two platinum RTD (Resistance Temperature Detector) thermowells as sensors. One RTD is heated while the other measures the process temperature. The difference in temperature between the two RTDs is used to monitor the flow rate. A high voltage output indicates a low flow or no flow condition, while a lower voltage value suggests increasing flow. This method allows for accurate monitoring and setting of switch trip points, making these switches useful for maintaining system integrity and preventing failures.
Applications
Measures Temperature Volumetric Liquid Flow Switches are used in a variety of applications. For instance, they are employed in cooling systems to protect against pump failures by ensuring adequate flow rates are maintained. They are also used in natural gas fractionation process facilities for monitoring relief valve leaks, where precise flow and temperature monitoring are crucial for safety and efficiency.
Advantages over other Materials - Metals
These switches often utilize materials like brass or bronze, which offer resistance to corrosion and rusting, making them suitable for water systems. In contrast, metals like steel may not provide the same level of corrosion resistance in certain environments. Additionally, the use of plastic in some applications offers lightweight and durable alternatives that are resistant to rust, unlike metals.
Limitations
One limitation of these switches is their potential unsuitability for extreme temperature conditions, as indicated by the non-linearity and calibration changes that can occur due to environmental factors. Additionally, while thermal flow switches are generally low maintenance due to the lack of moving parts, they may still require periodic calibration to maintain accuracy.
Considerations
When selecting Measures Temperature Volumetric Liquid Flow Switches, several factors should be considered. Initial costs can vary depending on the materials and technology used. Operating expenses are generally low due to the minimal maintenance required, but accuracy and repeatability should be evaluated to ensure they meet the specific needs of the application. Durability is enhanced by the choice of corrosion-resistant materials, but replacement and maintenance costs should be factored into the overall cost of ownership.
from Fluid Components Intl. (FCI)
The FS10A is a universal flow monitor and switch specifically designed for gas and liquid process analyzer sampling systems. The FS10A is a fast responding, highly repeatable sensor which installs easily into a standard tube tee fitting or new SP76 (NeSSI) modular manifold. The FS10A utilizes proven... [See More]
- Meter Technology: Thermal
- Mounting: Insertion
- Pipe Diameter: 0.25 to 0.50
- End Fittings: In-line Flanged; In-line Threaded
from Fluid Components Intl. (FCI)
The FLT93C insertion and inline type FlexSwitches for sanitary flow, level and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. This product is specifically designed for sanitary 3A process applications. FCI is the only thermal... [See More]
- Meter Technology: Thermal
- End Fittings: In-line Flanged
- Mounting: Insertion
- Meter Type: Mass Flow Meter; Volumetric Flow Meter; Velocity Flow Meter
from Fluid Components Intl. (FCI)
The FLT93L inline type FlexSwitch for flow and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. FCI is the only thermal manufacturer providing temperature compensation to ensure set point accuracy for process temperatures that vary... [See More]
- Meter Technology: Thermal
- Mounting: In-line
- Pipe Diameter: 0.75 to 1.00
- End Fittings: In-line Flanged (optional feature); In-line Threaded
from Fluid Components Intl. (FCI)
The FLT93B BASIC insertion type FlexSwitch for flow and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. FCI is the only thermal manufacturer providing temperature compensation to ensure set point accuracy for process temperatures... [See More]
- Meter Technology: Thermal
- Mounting: Insertion
- Pipe Diameter: 0.75
- End Fittings: In-line Threaded
from Bionetics
Rheotherm flow meters are an excellent, and often times the only choice for reliable liquid flow measurement at low flow rates. For flow rates from 1 gallon/year (10 cc/day) to a few GPM, they provide repeatable liquid flow measurement with little or no maintenance. Options for hazardous locations... [See More]
- Meter Technology: Thermal
- Mounting: In-line
- Pipe Diameter: 0.06 to 1.00
- End Fittings: In-line Flanged (optional feature); In-line Threaded (optional feature); Tube End/Hose Nipple; Sanitary
from Invotec Solutions Ltd.
The Tracer Electronic Switching Flowmeter is designed for permanent installation to closely monitor water flow andtemperature conditions. Selectable analogue signal transmits 0 to 5 or 0 to 10 Volts; signal is scaleable for flow and temperature. The SPDT switch in the Tracer flow meter can be wired... [See More]
- Meter Technology: Turbine
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Type: Volumetric Flow Meter