AALBORG DFC36S-VAN5-C5 Argon Flow Meter 0-30 L/min RS485 0-5VDC

( Brand: Aalborg ), ( Manufacturer Part Number: DFC36S-VAN5-C5 ), ( Part Type: Min ), ( Port Diameter: 1/4 In ), ( Gas Media: Ar Argon )

Review AALBORG Mass Flow Meter 0-30 L/min Argon Rs485 0-5vdc Output

The **Aalborg DF-C36S-VAN5-C5** is a high-performance, digital flow meter engineered for precision measurement and control in industrial, laboratory, and process automation applications, particularly where accurate gas flow monitoring is critical. Designed with a robust stainless steel construction, this inline turbine flow meter is built to withstand demanding environments, ensuring long-term reliability and durability in both clean and slightly contaminated gas streams. The unit is specifically calibrated for **argon gas**, delivering exceptional accuracy across its operating range of **0 to 30 liters per minute (L/min)**, with a repeatability of 0.5% of the measured value and a linearity of 1% of the full scale. Its compact yet sturdy design features a **3/8" (10mm) male NPT inlet and outlet**, making it versatile for integration into existing piping systems without excessive space requirements.

At the heart of the DF-C36S-VAN5-C5 is its **RS-485 communication interface**, which enables seamless integration with PLCs, SCADA systems, or data acquisition platforms via Modbus RTU protocol, facilitating real-time monitoring, logging, and control. This digital output, combined with its **0-5V DC analog signal**, provides flexibility for applications requiring both digital and analog control signals. The flow meter s **pulse output** (configurable via the built-in keypad) further enhances its utility in applications demanding discrete event counting, such as process sequencing or batch control. The **5-digit LCD display** offers real-time readouts of flow rate, totalized volume, and diagnostic information, while the intuitive menu-driven interface allows for easy calibration, unit conversion (e.g., L/min to SCFM), and parameter adjustments directly on-site.

To ensure optimal performance, the DF-C36S-VAN5-C5 incorporates a **high-precision turbine wheel** housed within a smooth, low-friction bearing assembly, minimizing wear and maintaining consistent accuracy over extended periods. The meter s **temperature compensation** feature automatically adjusts for variations in ambient or gas temperature, reducing the impact of thermal drift on measurement integrity. Additionally, its **self-diagnostic capabilities** alert operators to potential issues such as low flow conditions, turbine wear, or communication errors, enhancing system uptime and reducing downtime. The unit is rated for **operating pressures up to 100 psi (6.9 bar)** and is compatible with a wide range of gases, though its argon-specific calibration ensures peak performance for this noble gas in applications like plasma etching, welding, or semiconductor manufacturing.

Ideal for industries requiring **high-precision gas flow control**, such as **semiconductor fabrication, medical gas delivery, laboratory research, or industrial gas processing**, the Aalborg DF-C36S-VAN5-C5 combines **industrial ruggedness with advanced digital functionality**. Its modular design allows for easy installation and maintenance, while its **IP65-rated enclosure** protects against dust and water splashes, making it suitable for both cleanroom and harsh industrial settings. Whether deployed in a **critical manufacturing process** or a **research laboratory**, this flow meter delivers the **accuracy, reliability, and connectivity** needed to optimize gas flow management with confidence.

### **Pros and Cons of buying a Aalborg DF-C36S-VAN5-C5 Flow Meter (0-30 L/min, Argon, RS485, 0-5V DC)**

1. **High Accuracy and Reliability**

The Aalborg DF-C36S series is known for its precision in measuring gas flow, particularly in applications requiring consistent performance. The thermal dispersion design ensures stable readings even with variations in gas composition (such as argon).

2. **Wide Compatibility with Argon**

The unit is specifically calibrated for argon, making it ideal for applications like semiconductor manufacturing, welding, or laboratory processes where argon flow control is critical. This reduces the need for additional calibration or compensation.

3. **Digital Output (RS485) and Analog Signal (0-5V DC)**

The RS485 interface allows for easy integration into industrial control systems, enabling remote monitoring and data logging. The 0-5V DC output provides a simple analog signal for basic instrumentation or PLCs, offering flexibility in system design.

4. **Compact and Robust Design**

The VAN5 variant is designed for compact installation, which is beneficial in space-constrained environments. The stainless steel construction ensures durability in harsh industrial settings.

5. **Low Maintenance Requirements**

Thermal mass flow meters like this one typically have fewer moving parts compared to mechanical meters, reducing wear and tear. The sensor is sealed, minimizing exposure to contaminants.

6. **Calibration and Traceability**

Aalborg meters are often factory-calibrated and may come with documentation for traceability, which is important for industries with strict quality control standards (e.g., medical or aerospace).

7. **Compatibility with Aalborg s Software and Accessories**

Aalborg offers companion software (e.g., FlowView) for configuration and data analysis, and additional accessories like signal conditioners or repeaters can extend functionality.

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1. **Limited Flow Range (0-30 L/min)**

The 0-30 L/min range may be insufficient for high-volume applications. If future scaling is needed, a different model with a higher range (e.g., 0-100 L/min or higher) would be required, potentially necessitating a replacement.

2. **Cost Considerations**

Aalborg flow meters are premium-priced compared to basic mechanical or ultrasonic meters. The cost may be justified for high-precision applications but could be prohibitive for low-budget setups.

3. **Dependency on Power Supply**

The unit requires a stable power source (likely 24V DC, though not explicitly stated here). Power fluctuations or failures could disrupt measurements, though this is common with electronic meters.

4. **Potential Sensitivity to Gas Conditions**

While calibrated for argon, extreme variations in temperature, pressure, or gas purity (e.g., impurities in argon) could affect accuracy. Additional filtration or conditioning may be needed in dirty environments.

5. **Learning Curve for Configuration**

The RS485 and 0-5V outputs require proper wiring and configuration, which may demand technical expertise, especially for users unfamiliar with industrial instrumentation.

6. **Limited Local Support in Some Regions**

Aalborg s global presence is strong, but local technical support or authorized service centers may not be readily available in all markets, potentially delaying troubleshooting or repairs.

7. **No Built-in Display**

Unlike some flow meters, this model lacks a local display, meaning users must rely on external devices (e.g., PLCs, computers) for real-time readings, which may add complexity.

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The **Aalborg DF-C36S-VAN5-C5** is an excellent choice for applications requiring **high-precision argon flow measurement** with **digital and analog outputs** for seamless integration into control systems. Its **reliability, compact design, and low maintenance** make it suitable for industrial, laboratory, or manufacturing environments where accuracy is critical. However, its **narrow flow range, higher cost, and dependency on proper setup** may pose challenges for users with budget constraints or varying flow demands.

- You need **precise argon flow measurement** in a controlled environment (e.g., semiconductor, welding, or gas analysis).

- Your system requires **RS485 or analog (0-5V) outputs** for automation or data logging.

- You prioritize **durability and minimal maintenance** over cost savings.

- Your flow rates exceed **30 L/min** regularly (opt for a higher-range model).

- You require **local display or additional features** (e.g., pulse output, higher pressure ratings).

- Budget constraints make this model unaffordable (explore lower-cost thermal or ultrasonic meters from other brands).

For most **high-precision argon applications**, this meter is a **strong, long-term investment** despite its limitations. Ensure compatibility with your existing infrastructure before purchase.

Details:

This is a surplus item. Valve Material: Stainless Steel. Specifications: model #: DFC36S-VAN5-C5. Input Signal: 0-5VDC 4-20mA.

Output signal: 0-5VDC. Applicable Gas: Argon. Communication: RS485.

part #: dfc36svan5c5 prices

• $1500.00-$1930.00

specifications pneumativalv:

• brand: Aalborg
• mpn: Dfc36s-van5-c5
• part type: Min
• port diameter: 1/4 In
• gas media: Ar Argon

shipping pneumativalv:

• type: Calculated
• service: USPS First Class, USPS Priority Mail Padded Flat Rate Envelope, UPS Next Day Air
• transit: 3-7 Days
• carrier: USPS, UPS
• class: Standard, Expedited, One-day
• cost: $0.00

seller pneumativalv:

• city: Osseo, Minnesota
• rating: 100.0%
• # reviews: 43261

general pneumativalv:

• condition: Used
• Pump Flow Controllers > Flow Controllers Meters > Mass Flow Controllers

offer pneumativalv:

• availability: In Stock
• started: February 2, 2026
• best offers: True
• quantity: 2
• sold: 0
• options: Ship-to-home

payments pneumativalv:

• other
• cash
• wallet: Google-pay
• credit card: Discover

returns pneumativalv:

• method: Money back
• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

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