ALICAT SCIENTIFIC MCS-5SLPM-D-5M Flow Controller Display MCS-5SLPM-D/5M

( Brand: Alicat Scientific ), ( Manufacturer Part Number: MCS-5SLPM-D/5M ), ( Part Type: Flow Display Controller ), ( Country Of Origin: United States )

Review ALICAT SCIENTIFIC Mcs-5slpm-d/5m Mass Flow Controller Inch Display

The **ALICAT Scientific MCS-5SLPM-D/5M Flow Controller** is a high-performance, mass flow controller designed to deliver precise and reliable gas flow regulation in a wide array of industrial, laboratory, and research applications. Engineered with ALICAT s proprietary thermal mass flow technology, this digital flow controller ensures exceptional accuracy, repeatability, and stability across a broad range of gases, including air, nitrogen, argon, hydrogen, and specialty gases. The device operates within a flow range of **0.01 to 5 standard liters per minute (SLPM)** with an impressive **accuracy of 1% of reading 0.5% of full scale**, making it ideal for applications requiring meticulous control, such as semiconductor manufacturing, medical device testing, aerospace component calibration, and precise laboratory experiments.

Featuring a **5-inch color touchscreen display**, the MCS-5SLPM-D/5M provides intuitive, real-time monitoring and control with customizable parameters, including flow setpoints, alarm limits, and data logging capabilities. The display offers clear, high-resolution visuals for easy operation, while its **backlit interface** ensures visibility in low-light environments. The controller supports **RS-232 and USB communication interfaces**, enabling seamless integration with PLCs, data acquisition systems, or laboratory software for automated process control and remote monitoring. Additionally, the device includes **configurable alarm outputs** (relay or analog) to alert operators of flow deviations, ensuring operational safety and consistency.

Constructed from durable **316 stainless steel** and high-grade polymers, the MCS-5SLPM-D/5M is built to withstand harsh conditions, offering **IP65-rated protection** against dust and water ingress. Its **compact, modular design** allows for easy installation in tight spaces, while the **integrated pressure compensation** feature ensures accurate flow measurement even with varying downstream pressures. The controller s **wide gas compatibility** supporting gases with thermal conductivities ranging from helium to sulfur hexafluoride makes it versatile for diverse applications, including gas mixing, leak testing, and process optimization. With its **low power consumption** and **long-term stability**, this flow controller is not only efficient but also cost-effective for both short-term and continuous operation.

Ideal for both research and industrial settings, the ALICAT Scientific MCS-5SLPM-D/5M combines cutting-edge technology with robust engineering to deliver unmatched performance. Whether used in **semiconductor fabrication, medical device sterilization, or environmental testing**, this flow controller provides the precision, reliability, and flexibility required to meet the most demanding flow control requirements. Its **user-friendly interface, advanced diagnostics, and robust construction** make it a superior choice for professionals seeking high-accuracy gas flow regulation in critical applications.

### **Pros and Cons of buying a Alicat Scientific MCS-5SLPM-D/5M Mass Flow Controller**

1. **High Precision and Accuracy** Alicat mass flow controllers are known for their high-precision measurements, typically offering accuracy within 1% of reading or better, depending on the gas. This ensures reliable flow control for critical applications.

2. **Wide Flow Range** The MCS-5SLPM-D/5M model supports a flow range from **0.01 to 5 standard liters per minute (SLPM)**, making it suitable for both low-flow and moderate-flow applications. The **5-meter cable** provides flexibility in installation.

3. **Digital Display and Control** The built-in **LCD display** allows real-time monitoring of flow rate, pressure, and temperature, improving usability. The controller can be adjusted via the front panel or remotely via **RS-232 or USB communication**.

4. **Multi-Gas Compatibility** Alicat controllers are designed to work with **multiple gases** (air, nitrogen, argon, etc.) without requiring recalibration, provided the gas properties are accounted for in the software.

5. **Compact and Modular Design** The unit is **small and lightweight**, making it easy to integrate into existing systems. The **digital output** (4-20 mA) allows for easy interfacing with PLCs or data acquisition systems.

6. **Low Power Consumption** Operates efficiently with minimal power requirements, reducing operational costs.

7. **Durable and Reliable** Alicat controllers are built for **industrial use**, with robust construction and long-term stability. They require minimal maintenance compared to mechanical flow meters.

8. **Software and Calibration Support** Alicat provides **calibration services** and software tools (e.g., **Alicat Control Software**) for advanced monitoring and control via PC.

9. **No Moving Parts (in Some Models)** While this specific model may have internal moving components, Alicat s design minimizes wear, extending the lifespan of the device.

10. **Good Customer Support and Warranty** Alicat Scientific offers **technical support** and typically provides a **limited warranty**, ensuring reliability in case of defects.

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1. **Higher Upfront Cost** Alicat mass flow controllers are **more expensive** than basic mechanical flow meters or simple electronic controllers. The price may be a barrier for small labs or budget-conscious users.

2. **Limited Flow Range for Some Applications** While the **0.01 5 SLPM range** is useful, it may be **too low** for high-volume industrial applications (e.g., large-scale manufacturing). For higher flows, a different model (e.g., MCS-50SLPM) would be needed.

3. **Learning Curve for Advanced Features** While the basic operation is straightforward, **RS-232/USB programming** and **software integration** may require some technical knowledge to fully utilize.

4. **Pressure Dependence** Like most mass flow controllers, performance can vary slightly with **pressure fluctuations**, though Alicat models compensate for this better than some competitors.

5. **No Built-in Overpressure Protection (Standard)** Some Alicat models require **additional safety components** (e.g., pressure regulators) to prevent damage from excessive backpressure.

6. **Calibration May Be Required for Specific Gases** While Alicat controllers work with multiple gases, **custom calibration** may be needed for **high-precision applications** with unusual gases.

7. **Limited Physical Portability** Due to the **5-meter cable**, the unit is not as portable as smaller, battery-powered flow meters.

8. **Potential for Signal Noise in Low-Flow Applications** At very low flows (near 0.01 SLPM), some users report **minor signal fluctuations**, though this is generally stable for most applications.

9. **Dependence on Power Supply** Unlike some mechanical meters, Alicat controllers **require an external power source**, which may not be ideal for field applications without access to electricity.

10. **Resale Value May Be Low** Specialized lab equipment like Alicat controllers may **depreciate over time**, especially if newer models with better features are released.

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### **Conclusion**

The **Alicat Scientific MCS-5SLPM-D/5M** is an **excellent choice** for applications requiring **high-precision, digital mass flow control** in a **moderate flow range (0.01 5 SLPM)**. It excels in **laboratory, research, and industrial settings** where accuracy, reliability, and ease of integration are critical.

- **High-volume industrial applications** (requires a higher-range model).

- **Extremely budget-sensitive users** (due to higher cost).

- **Applications needing extreme portability** (due to power and cable requirements).

- **Users unfamiliar with digital flow control systems** (may require training).

If **precision, digital control, and multi-gas compatibility** are priorities, this controller is a **strong recommendation**. For **lower-cost or simpler applications**, a **mechanical flow meter or a basic electronic controller** might suffice.

### **Final Recommendation**

You need **high-precision mass flow control** (better than thermal or mechanical meters).

Your application requires **0.01 5 SLPM flow rates** with **digital monitoring**.

You want **easy integration** with PLCs, data loggers, or PCs via RS-232/USB.

You work with **multiple gases** and need consistent performance.

You can justify the **higher upfront cost** for long-term reliability.

You need **higher flow rates** (e.g., >5 SLPM).

Your budget is **very limited** (cheaper mechanical or basic electronic meters may work).

You require **maximum portability** (battery-powered or handheld meters may be better).

You lack **technical expertise** to set up and maintain digital controllers.

For most **lab, R&D, or controlled industrial applications**, the Alicat MCS-5SLPM-D/5M is a **highly recommended purchase** due to its **accuracy, durability, and versatility**.

Details:

REFURBISHED units have been cleaned, inspected, and repaired as needed. NEW SURPLUS These items are in new condition with zero or very minimal operating hours. NJT provides a 1-year comprehensive warranty. Compatibility: Unsure if this part will work for you.

SHIPPING Domestic. About NJT: At Nathan Johnson Technologies, we buy and sell industrial electronics, sourcing parts from manufacturing facilities asset recovery businesses. USED Our used components are fully guaranteed to be in working condition, though they may display signs of use and cosmetic wear. The original manufacturers warranty is not included.

WE BUY SELL REPAIR Industrial Automation Electronics.

part #: mcs5slpmd5m prices

• $599.99-$1977.05

specifications pneumativalv:

• brand: Alicat Scientific
• mpn: Mcs-5slpm-d/5m
• part type: Flow Display Controller
• country of origin: United States

general pneumativalv:

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

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• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: May 6, 2026
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• # reviews: 4187
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• city: Milwaukee, Wisconsin

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• policy: Returns Accepted
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• time: 60 Days

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