
( Brand: Sierra Instruments ), ( Manufacturer Part Number: 640S-FM ), ( Part Type: Flow Meter )
The Sierra Instruments 640s-FM-L18-E2-P3-V4-DD-GC Flow Meter is a high-performance, versatile instrument designed for measuring the flow of gases and air. This model, specifically the 640-FM-L13-E2-PS-V4-NR variant, is part of Sierra's renowned 640 series, known for their accuracy, reliability, and durability.
The 640s-FM features a thermal mass flowmeter design, which utilizes the principle of heat transfer to measure the flow rate of gases. This design ensures high accuracy, even in the most challenging applications, such as those with high pressure drops, turbulent flow, or non-ideal gas behavior. The L18-E2-P3-V4-DD-GC variant is specifically designed for low flow rates, making it an excellent choice for applications where precise measurement of small gas or air flows is crucial.
The 640s-FM is equipped with a digital display, which provides real-time flow rate data in various units of measurement (e.g., standard cubic feet per minute, liters per minute, etc.). The display is highly customizable, allowing users to adjust the brightness, unit of measure, and other settings to suit their specific needs. The meter also includes a 4-20mA output, which can be used to integrate the flow data into larger control systems.
The 640s-FM is constructed from high-quality materials, including stainless steel and PTFE, ensuring it can withstand harsh environments and long-term use. The meter's compact size and lightweight design make it easy to install and maintain, reducing downtime and maintenance costs.
In summary, the Sierra Instruments 640s-FM-L18-E2-P3-V4-DD-GC Flow Meter is a reliable, accurate, and versatile instrument for measuring the flow of gases and air. Its thermal mass flowmeter design, digital display, and customizable output make it an excellent choice for a wide range of applications, from basic flow monitoring to complex control systems. Its robust construction and compact design ensure long-term reliability and ease of use.
Pros of buying a 640s-FM:1. High Accuracy: The flow meter is known for its high accuracy, making it suitable for industries that require precise measurements for their operations.
2. Durable Construction: The device is built to withstand harsh environmental conditions, ensuring its longevity and reducing the need for frequent replacements.
3. Wide Range of Applications: The 640s-FM is suitable for measuring both gases and air, making it a versatile option for various industries.
4. Easy Installation and Maintenance: The device is easy to install and maintain, reducing downtime and saving costs associated with complicated setup procedures.
Cons of buying a 640s-FM:1. Higher Cost: The device may be more expensive compared to other flow meters in the market, which could be a disadvantage for businesses with limited budgets.
2. Limited Advanced Features: While the 640s-FM is a reliable and accurate flow meter, it may not offer advanced features such as data logging and remote monitoring, which some users may require.
In conclusion, the 640s-FM is a reliable and accurate flow meter with a durable construction. Its wide range of applications makes it suitable for various industries. However, its higher cost and limited advanced features may be a disadvantage for some users. Ultimately, the decision to buy the 640s-FM should depend on the specific needs and budget of the user. If the user requires a high-accuracy flow meter for their operations and can afford the higher cost, then the 640s-FM is a good option to consider. If the user is looking for a more affordable option with advanced features, they may want to explore other options in the market.
Brand - Sierra Instruments condition new surplus box was damaged and instrument has gotten a few minor scratches on it. We threaded conduit onto this item but never installed it. Opera temp - 80 output 4-20ma pipe size ref 70f press 1atm.
Part fm-l13-e2-ps-v4-nr units - lb hr gas air input power 115vac opera press w.