Flow sensor

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Flow sensor Specification

Temperature
-10C to 60C

Application
Industrial Automation, Gas Flow Measurement

Resolution
0.01 L/min

Measuring Range
0.1-10 L/min

Gas Pressure
0-1 MPa

Power Supply
5V DC

Features
Compact, Lightweight, Easy to Install

Port Size
1/4 inch

Humidity
0-95% RH (non-condensing)

Operating Voltage
5V DC

Automation Grade
Automatic

Mounting Type
Inline

Accuracy
3%

Interface Type
Analog Output

Max Height
58 mm

Response Time
1 s

Display Type
LED/No Display

Equipment Type
Flow Sensor

Usage
Flow Rate Sensing

Machine Weight
250 g

Control Mode
Digital

Media Compatibility
Air, Inert Gases

Material
Plastic body, brass connectors

Protection Class
IP65

Repeatability
±0.5%

Cable Length
600 mm

Output Signal
0.5-4.5V (Linear)

Operating Principle
Thermal Mass Flow Sensing

About Flow sensor

The newly developed VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design. Due to its reasonable price and modern digital interfaces this compact in-line flow sensor is used when many machines (compressed air consumers) are to be integrated as easily as possible into an energy monitoring network.

The high-contrast, integrated display also displays the current values rotated by 180° if desired (very useful for overhead installation). Depending on the configuration, two of the following values can be displayed:

Current consumption in m³/h, l / min, ...
Total consumption (meter reading) in m³, l, kg
Temperature measurement
Optional: Pressure measurement

High-Precision Gas Flow Measurement

The flow sensors thermal mass sensing principle delivers accurate, repeatable results for air and inert gases. Designed for demanding industrial environments, it provides reliable data crucial for process control and automation with a clear linear analog output (0.5-4.5V) compatible with most readout systems.

Durable and User-Friendly Design

Constructed with a robust plastic body and brass connectors, the sensor resists challenging conditions. IP65 protection ensures safe operation even in humid or dusty settings. The compact, lightweight build and inline mounting simplify installation, while the 600 mm cable offers flexible connectivity in various setups.

FAQs of Flow sensor:

Q: How does the flow sensor measure gas flow rates?

A: The sensor utilizes a thermal mass flow sensing principle, where changes in temperature caused by passing gases are detected and converted into a linear analog signal (0.5-4.5V) indicating flow rate.

Q: What type of gases can be measured using this flow sensor?

A: This sensor is compatible with air and inert gases, making it suitable for various industrial automation and gas flow measurement applications.

Q: Where should the flow sensor be installed?

A: Installation is recommended on pipelines or systems requiring gas flow monitoring. Its inline mounting design and standard 1/4 inch port provide flexibility across diverse industrial environments.

Q: What are the benefits of using this flow sensor in automation systems?

A: Benefits include high accuracy (3%), excellent repeatability (0.5%), rapid response (1 s), and reliable operation in harsh conditions due to its IP65 protection and robust construction.

Q: How is the sensor connected and powered?

A: Power is supplied via a 5V DC source, and the analog output connects to control or monitoring equipment using the 600 mm cable, simplifying integration with most systems.

Q: When should maintenance be performed on the flow sensor?

A: Periodic visual inspection is recommended, especially in dusty or high-humidity environments, to ensure there is no accumulation around the sensor and that connections remain secure.

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