SIARGO MF5712-N-200 Digital Gas Npt Flow Meter 0-200 L/min 1/2 5700

( Brand: Siargo ), ( Manufacturer Part Number: MF5712-N-200 ), ( Part Type: Digital Min ), ( Flow Meter Type: Mass Flow Meter ), ( Port Diameter: 12mm ), ( Minimum Flow Rate: 0.01 L/min ), ( Maximum Flow Rate: 200 L/min ), ( Country Of Origin: China ), ( California Prop 65 Warning: This Item May Contain Materials Known To The State Of California To Cause Cancer Or Reproductive Harm. )

Review SIARGO Mf5712 Digital Gas Mass Flow Meter 0-200 L/min 1/2 Inch Npt

The **Siargo MF5712-N-200** is a high-performance, digital gas flow meter designed for precision measurement and control in a wide range of industrial, laboratory, and commercial applications. Part of the **MF5700 series**, this compact yet robust device combines advanced thermal mass flow technology with a user-friendly interface to deliver accurate, real-time flow monitoring for gases within a flow range of **0 to 200 liters per minute (L/min)**. Engineered with a **1/2 NPT (National Pipe Thread) male connection**, the MF5712-N-200 ensures seamless integration into existing piping systems, making it ideal for applications such as **gas chromatography, laboratory gas supply, medical oxygen delivery, HVAC systems, and industrial process control**. Its **digital display** provides clear, easy-to-read readings, while the **high-precision thermal sensor** ensures consistent and reliable measurements across varying flow rates, temperature fluctuations, and pressure conditions.

What sets the MF5712-N-200 apart is its **versatile functionality**, including **cumulative and instantaneous flow readings**, a **pulse output signal** for data logging or automation, and **configurable units of measurement** (L/min, SCFM, or m /h) to accommodate different operational needs. The meter s **low-power consumption** and **durable construction** make it suitable for both bench-top and field deployments, while its **wide operating temperature range** (typically -20 C to 60 C) ensures dependable performance in diverse environments. Additionally, the **backlit LCD screen** enhances visibility in low-light conditions, and the **compact, modular design** allows for easy installation in tight spaces. Whether used for **calibration, leak detection, or process optimization**, the MF5712-N-200 delivers unmatched accuracy and efficiency, making it a trusted choice for professionals demanding precision in gas flow measurement.

### **Pros and Cons of buying a Siargo MF5712-N-200 Digital Gas Flow Meter**

1. **High Accuracy and Precision** The MF5712 series is known for its thermal mass flow measurement technology, which provides reliable and repeatable readings for gas flow rates. This ensures consistent performance in applications requiring precise control.

2. **Wide Flow Range (0 200 L/min)** The 0 200 L/min range makes it suitable for a variety of applications, including small-scale industrial processes, laboratory use, and HVAC systems where moderate gas flow monitoring is needed.

3. **Digital Display and Output** The digital interface allows for easy reading and real-time monitoring. It typically includes analog (4 20 mA) and digital (RS-485, Modbus RTU) outputs, enabling integration with PLCs, data loggers, or control systems.

4. **Compact and Durable Design** The NPT connection is standard for small piping systems, making it easy to install in tight spaces. The rugged construction ensures durability in moderate industrial environments.

5. **Low Power Consumption** Thermal mass flow meters generally operate efficiently with minimal power requirements, reducing operational costs.

6. **Multi-Gas Compatibility** While specific to air or certain gases (depending on calibration), it can often be recalibrated for other gases within its operating range, increasing its versatility.

7. **Maintenance-Free Operation** Unlike mechanical flow meters, thermal mass flow meters have no moving parts, reducing wear and tear and lowering long-term maintenance needs.

8. **Good for Laboratory and Research Use** Its precision and digital output make it ideal for experimental setups where accurate flow measurement is critical.

---

1. **Limited Flow Range** At 200 L/min, it may not be suitable for high-volume applications (e.g., large industrial gas pipelines or high-capacity HVAC systems). Users requiring higher flows may need a different model.

2. **Calibration Sensitivity** Thermal mass flow meters can be affected by changes in gas composition, temperature, or pressure. If the gas properties deviate significantly from calibration standards, accuracy may suffer.

3. **Higher Initial Cost** Compared to mechanical or ultrasonic flow meters, digital thermal mass flow meters can be more expensive upfront, though this may be justified by their precision and longevity.

4. **Temperature and Pressure Dependencies** Some models require compensation for temperature and pressure variations. If the application involves extreme conditions, additional sensors or adjustments may be needed.

5. **Limited Material Compatibility** The meter s internal components (e.g., sensor elements) may not be suitable for highly corrosive or abrasive gases without additional protection (e.g., special coatings or filters).

6. **Potential Drift Over Time** Like all electronic devices, thermal mass flow meters may experience slight drift in accuracy over extended use, requiring periodic recalibration.

7. **Power Dependency** Unlike mechanical meters, it requires a power source (typically 24V DC), which may be a drawback in applications with unreliable or no electrical supply.

8. **Limited Brand Support Outside Asia** Siargo is primarily a Chinese brand, and after-sales support, spare parts, or warranties may be harder to obtain in regions outside Asia.

---

### **Conclusion**

The **Siargo MF5712-N-200** is a solid choice for applications requiring **accurate, digital gas flow measurement in the 0 200 L/min range**, particularly in **laboratory, small industrial, or HVAC settings**. Its **thermal mass flow technology** ensures reliability, while its **digital outputs and compact design** make it easy to integrate into control systems. However, its **limited flow range, calibration sensitivity, and higher cost** may not make it ideal for high-volume or extreme-condition applications.

If your use case aligns with its specifications moderate flow rates, controlled environments, and need for precision this meter is a **reliable and cost-effective option**. For applications requiring **higher flows, extreme durability, or broader gas compatibility**, alternatives like **ultrasonic or turbine flow meters** may be more appropriate.

### **Recommendation**

- **Buy if:** You need a **precise, digital gas flow meter** for **0 200 L/min applications** (e.g., lab gas delivery, small-scale industrial processes, or HVAC monitoring) where **accuracy and integration with control systems** are priorities.

- **Consider alternatives if:** You require **higher flow rates (>200 L/min), extreme environmental conditions, or multi-gas compatibility without recalibration**.

- **Verify compatibility:** Ensure the meter is calibrated for the **specific gas** you intend to measure, and confirm power supply and installation requirements match your setup.

For most **moderate-flow, precision-oriented applications**, the MF5712-N-200 is a **well-suited and cost-effective choice**.

Details:

May have cosmetic wear and/or scuffs. See photos for more detail. Comes in original box with AC adapter and manual Chinese. Operates on included adapter or 4x AA batteries not.

Some scratches on meter housing. Includes only what is pictured. Complete in original box. Standard signs of use.

SIARGO MF5712 Digital Gas Mass Flow Meter MF5712-N-200 0-200 L/min 1/2 NPT 5700 - CIB Used, removed from a working environment.

part #: mf5712n200 prices

• $99.99-$250.00

specifications pneumativalv:

• brand: Siargo
• mpn: Mf5712-n-200
• part type: Digital Min
• flow meter type: Mass Flow Meter
• port diameter: 12mm
• minimum flow rate: 0.01 L/min
• maximum flow rate: 200 L/min
• country of origin: China
• california prop 65 warning: This Item May Contain Materials Known To The State Of California To Cause Cancer Or Reproductive Harm.

payments pneumativalv:

• other
• wallet: Paypal
• credit card: Visa

general pneumativalv:

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

offer pneumativalv:

• options: Ship-to-home
• sold: 0
• quantity: 1
• started: May 4, 2026
• availability: In Stock

seller pneumativalv:

• rating: 99.9%
• # reviews: 16942
• city: Coventry, Rhode Island

returns pneumativalv:

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

shipping pneumativalv:

• cost: $0.00
• type: Calculated
• transit: 3-8 Days
• service: USPS Ground Advantage, USPS Priority Mail, UPS 2nd Day Air, UPS Next Day Air Saver
• class: Standard, Expedited, One-day
• carrier: USPS, UPS

Siargo MF5712-N-200 Is Similar To:

• Siargo Mf5706-n-10 Mf5700 Mass Flow Meter Mf5700 Series 10 L m 2.6 Gal m Used Vgc (59.4% similar) With Siargo proprietary memes mass flow sensing technology and smart electronic circuitry, the products offer unprecedented cost-effectiveness with performance. It has 3/8 pipe npt connections and the display rotates 180 degrees to allow fluid enter from either left or right flow direction is marked...(December 23rd, 2023)