MKS 179B01234CR34M Flo Meter Sccm N2 20000

( Brand: Mks ), ( Manufacturer Part Number: 179B01234CR34M ), ( Part Type: Meter ), ( Flow Meter Type: Mass Flow Meter )

Review MKS Mass flo Meter N2 2000 Sccm

The **MKS 179B01234CR34M Mass-Flo Digital Mass Flow Controller (MFC)** is a high-performance, precision-engineered instrument designed for accurate and reliable gas flow regulation in demanding industrial, research, and manufacturing applications. Part of MKS Instruments renowned Mass-Flo series, this model combines advanced thermal mass flow technology with robust construction to deliver exceptional control over nitrogen (N ) and other compatible gases, with a specified flow range of up to **20,000 standard cubic centimeters per minute (sccm)**. Engineered for both laboratory and production environments, the 179B01234CR34M features a **digital interface** that provides real-time feedback on flow rates, pressure, and temperature, ensuring precise process optimization and repeatability. Its **compact yet durable design** incorporates a **ceramic sensor element**, which enhances stability and longevity while minimizing drift, making it ideal for applications requiring long-term accuracy, such as semiconductor manufacturing, chemical vapor deposition (CVD), or plasma etching. The unit s **CR (Corrosion-Resistant) housing** further protects against aggressive gases, while the **M (Modular) designation** allows for easy integration into automated systems via MKS s proprietary **SmartFlow software**, enabling seamless communication with PLCs, data loggers, or other control systems. Whether used in research-grade experiments or high-volume production lines, this MFC ensures consistent, repeatable gas delivery with minimal maintenance, making it a trusted choice for engineers and scientists demanding both performance and reliability.

**Pros and Cons of buying a MKS 179B01234CR34M Mass-Flo Meter (N2, 20,000 SCCM)**

### **Pros**

1. **High Precision and Reliability** The MKS Mass-Flo meter is known for its accuracy in measuring gas flow, particularly in applications requiring precise control such as semiconductor manufacturing, vacuum systems, or research labs. Its mass flow measurement (rather than volumetric) ensures consistent performance across varying pressure and temperature conditions.

2. **Wide Flow Range (20,000 SCCM)** The specified flow range (up to 20,000 standard cubic centimeters per minute) makes it suitable for medium to high-flow applications, such as nitrogen purging, process gas delivery, or leak testing in industrial settings.

3. **Compatibility with Nitrogen (N )** Since it is calibrated for nitrogen, it avoids the need for additional calibration adjustments when using this common gas, reducing potential errors in measurement.

4. **Durability and Build Quality** MKS Instruments is a reputable brand in precision gas control, and their products are generally built to last with robust construction, ensuring long-term reliability in demanding environments.

5. **Digital Output and Integration** Many MKS Mass-Flo meters offer digital interfaces (e.g., 4-20 mA, RS-232, or digital communication protocols), allowing easy integration with PLCs, data loggers, or process control systems.

6. **Low Maintenance Requirements** Thermal mass flow meters like this one typically require minimal maintenance compared to mechanical flow meters, reducing downtime and operational costs.

7. **Calibration Stability** Thermal mass flow meters maintain calibration over time better than some alternative technologies, provided they are used within specified operating conditions.

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### **Cons**

1. **High Initial Cost** MKS Mass-Flo meters are premium instruments, and the price may be prohibitive for small businesses, academic labs with limited budgets, or non-critical applications where lower-cost alternatives (e.g., mechanical flow meters) would suffice.

2. **Limited Lifespan Under Harsh Conditions** While durable, exposure to contaminants (e.g., dust, moisture, or corrosive gases) can degrade performance over time. Regular maintenance or filtration may be necessary in dirty environments.

3. **Sensitivity to Temperature Fluctuations** Although thermal mass flow meters are less affected by pressure changes than volumetric meters, extreme temperature variations can still introduce minor measurement errors if not accounted for.

4. **Potential for Drift Over Time** Like all precision instruments, the sensor may experience drift, requiring periodic recalibration (though this is less frequent than with some other technologies).

5. **Single-Gas Calibration** While calibrated for nitrogen, using other gases without recalibration may lead to inaccuracies, as mass flow meters rely on gas-specific thermal properties.

6. **Complexity for Non-Experts** Setting up, calibrating, or troubleshooting the meter may require technical expertise, especially when integrating it into a larger system.

7. **Replacement Parts and Support Costs** If the meter fails, replacement parts or service from MKS (or authorized dealers) can be expensive, and lead times may be longer than for generic components.

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### **Conclusion**

The **MKS 179B01234CR34M Mass-Flo Meter (N , 20,000 SCCM)** is an excellent choice for applications demanding **high precision, reliability, and integration with control systems**, particularly in industries like semiconductor manufacturing, vacuum technology, or research labs where gas flow accuracy is critical. Its thermal mass flow technology ensures consistent performance across varying conditions, and its digital outputs facilitate seamless automation.

However, the **high upfront cost, potential maintenance needs, and sensitivity to environmental factors** make it less ideal for budget-conscious or low-precision applications. If the budget allows and the application requires **accurate, repeatable gas flow control**, this meter is a strong recommendation. For less demanding or cost-sensitive uses, alternatives like **mechanical flow meters, ultrasonic flow meters, or lower-end digital mass flow meters** may be more practical.

### **Recommendation**

- You need **high-precision nitrogen flow control** in a critical application (e.g., semiconductor processing, vacuum systems, or research).

- Your system requires **digital integration** with PLCs or data acquisition systems.

- You can justify the **higher cost** based on long-term reliability and reduced measurement errors.

- Your environment is **relatively clean** (minimal dust, moisture, or corrosive gases).

- Your budget is limited, and a **lower-cost flow meter** (e.g., Brooks or Omega) would meet your needs.

- The application is **not highly sensitive to flow accuracy**, and a mechanical or ultrasonic meter would suffice.

- You anticipate **frequent exposure to contaminants**, which could shorten the meter s lifespan.

For most **industrial or research-grade applications requiring nitrogen flow control**, the MKS Mass-Flo meter is a **strong, well-supported choice** despite its cost. Always verify compatibility with your specific system and consult with MKS or a certified technician before purchase.

Details:

MKS MASS-FLO METER 179B01234CR34M N2 2000 SCCM Note this is a Mass Flow Meter, not Controller, Although it packaged, new and sold as-is.

part #: 179b01234cr34m prices

• $62.97-$300.00

specifications pneumativalv:

• brand: Mks
• mpn: 179b01234cr34m
• part type: Meter
• flow meter type: Mass Flow Meter

general pneumativalv:

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

seller pneumativalv:

• # reviews: 0
• rating: 0.0%
• city: Ballston Spa, New York

shipping pneumativalv:

• cost: $10.41
• type: Calculated
• class: Standard
• carrier: USPS
• transit: 4-10 Days
• service: USPS Ground Advantage

payments pneumativalv:

• wallet: Google-pay
• other
• credit card: Mastercard

returns pneumativalv:

• policy: No Returns

offer pneumativalv:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: April 5, 2026
• best offers: True

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