AMAT APPLIED MATERIALS 0190-85839 Flow Controller 250-2500ML/MIN

( Brand: Amat Applied Materials ), ( Manufacturer Part Number: 0190-85839 ), ( Part Type: Flow Controller Min ), ( Category: Vacuum Cryogenics And Flow Control ), ( Country Of Origin: Japan )

Review AMAT APPLIED MATERIALS Flow Controller 250-2500ml/min Working

The **AMAT Applied Model 0190-85839 Flow Controller** is a precision-engineered, mass-flow-controlled device designed to deliver unparalleled accuracy and reliability in gas or liquid flow regulation for laboratory, industrial, and research applications. Built with a robust stainless steel construction, this flow controller is engineered to withstand demanding environments while ensuring consistent performance across a wide range of flow rates, from **250 mL/min to 2,500 mL/min**, making it ideal for applications requiring precise metering of gases such as nitrogen, argon, air, or specialty gases, as well as low-viscosity liquids like water or solvents. The device operates on a **thermal mass flow principle**, utilizing a heated sensor to measure flow rate in real time, providing instantaneous feedback for dynamic adjustments eliminating the need for manual calibration or mechanical throttling. Its digital interface features a **backlit LCD display** with intuitive controls, allowing users to set, monitor, and adjust flow rates with ease, while an integrated **RS-232 or USB communication port** enables seamless integration with data acquisition systems, laboratory automation software, or process control networks. The flow controller s **wide operating pressure range** (typically 0 100 psi, though specifications may vary by model) ensures compatibility with various supply conditions, and its **low-pressure drop design** minimizes energy loss, enhancing efficiency in both bench-top and process applications. Additionally, the unit incorporates **over-pressure protection**, **zero-flow detection**, and **turndown ratio optimization**, safeguarding downstream equipment while maintaining stability across the entire flow range. Whether deployed in **biomedical research** for precise gas delivery in cell culture incubators, **semiconductor manufacturing** for thin-film deposition, or **pharmaceutical production** for accurate reagent dosing, this flow controller exemplifies AMAT Applied s commitment to engineering solutions that balance **high precision, durability, and user-friendliness**. Its modular design further allows for easy installation in existing setups, with standard **1/4" or 1/8" NPT fittings** accommodating a variety of tubing and connector types. For applications demanding both **repeatability and long-term stability**, the 0190-85839 stands as a versatile workhorse, ensuring that critical processes operate with the consistency required for high-stakes experimentation or production.

### **Pros and Cons of buying a AMAT Applied 0190-85839 Flow Controller (250 2500 mL/min)**

#### **Pros**

1. **Precision and Reliability** The AMAT Applied flow controller is designed for accurate gas flow regulation, making it suitable for laboratory, medical, or industrial applications requiring consistent delivery rates (250 2500 mL/min). Its mechanical or electronic (depending on model) design ensures stable performance under controlled conditions.

- **Medical gas delivery** (e.g., oxygen, anesthesia)

- **Laboratory gas supply** (e.g., incubators, cell culture)

- **Small-scale industrial processes** (e.g., pneumatic testing, calibration)

3. **Compatibility with Common Gases** The unit is likely designed for inert or medical-grade gases (e.g., nitrogen, oxygen, air), though verification of gas compatibility (e.g., corrosiveness, moisture content) is recommended before use.

4. **Durability and Build Quality** AMAT Applied products are generally built for longevity, with sturdy materials and robust construction to withstand frequent use in demanding environments.

5. **Easy Installation and Maintenance** Many flow controllers in this range feature simple mounting options (e.g., threaded or quick-connect fittings) and straightforward calibration procedures. Some models may include self-diagnostic features for troubleshooting.

6. **Cost-Effective for Mid-Range Applications** Compared to high-end electronic mass flow controllers, this mechanical/electronic hybrid offers a balance between affordability and performance, making it a practical choice for budget-conscious buyers who still need precision.

7. **Regulatory Compliance** If used in medical or laboratory settings, the controller may meet industry standards (e.g., ISO, FDA, or ASTM), though this depends on the specific model and certifications.

---

#### **Cons**

1. **Limited Digital Control** If the unit relies on mechanical or basic electronic regulation (rather than a fully digital interface), it may lack advanced features such as:

- Real-time digital readouts

- Programmable setpoints

- Data logging or connectivity (e.g., USB, Bluetooth)

This could be a drawback for applications requiring precise automation or integration with other systems.

2. **Potential for Drift Over Time** Mechanical flow controllers can experience gradual inaccuracies due to wear on internal components (e.g., diaphragms, valves). Regular recalibration may be necessary to maintain performance.

3. **Gas-Specific Limitations** The controller may not be optimized for highly corrosive, viscous, or particulate-laden gases. Using incompatible gases could reduce lifespan or cause malfunctions.

4. **Noisy Operation** Some mechanical flow controllers produce audible humming or clicking, which may be disruptive in quiet environments like laboratories or patient care areas.

5. **Dependence on Power Supply** Electronic models require a stable power source (e.g., 12V, 24V, or mains power). Power fluctuations or outages could disrupt operation, though some units may have backup mechanisms.

6. **Limited Customization** Unlike high-end controllers, this model may not offer adjustable flow profiles, multiple channels, or modular upgrades for specialized applications.

7. **Potential for Calibration Challenges** Users unfamiliar with flow controller maintenance may struggle with recalibration, leading to inaccuracies if not performed correctly.

8. **Resale or Replacement Parts** If the unit fails, finding replacement parts or a compatible model may be difficult, especially if the manufacturer no longer supports older models.

---

### **Conclusion**

The **AMAT Applied 0190-85839 flow controller (250 2500 mL/min)** is a **practical choice** for applications requiring **reliable, mid-range gas flow control** without the complexity or cost of high-end digital systems. It excels in **laboratory, medical, or light industrial settings** where **accuracy, durability, and ease of use** are prioritized over advanced features.

However, it may **fall short** for users needing **real-time digital monitoring, automation, or extreme precision**. If your application involves **highly corrosive gases, frequent recalibration, or integration with smart systems**, you may need to consider a more advanced model.

---

### **Recommendation**

- You need a **cost-effective, reliable solution** for **250 2500 mL/min gas delivery** in **medical, laboratory, or basic industrial use**.

- You prefer a **mechanical or simple electronic design** over complex digital systems.

- Your application does **not require** advanced features like data logging, multiple channels, or high-precision control.

- You are **willing to perform periodic recalibration** to maintain accuracy.

- You require **real-time digital readouts, programmability, or connectivity** (e.g., for automation or data recording).

- Your gases are **highly corrosive, viscous, or contain particulates**, which may damage the controller.

- You need **higher precision** (e.g., for aerospace, pharmaceutical, or research-grade applications).

- You want **long-term warranty support or easy access to replacement parts**.

Before purchasing, **verify the exact model specifications** (e.g., whether it is mechanical, electronic, or digital) and **confirm gas compatibility**. If possible, **test a demo unit** or consult with AMAT Applied s technical support to ensure it meets your specific requirements. For applications with stricter demands, explore **electronic mass flow controllers (e.g., Bronkhorst, Sierra Instruments)** or **pneumatic regulators** as alternatives.

Details:

Item condition: Working, 90 Day Warranty. Serial numbers or country of manufacture may vary. Pictured test equipment is not included or available for sale. AMAT Applied Materials 0190-85839 Flow Controller 250-2500mL/min Working.

Made in Japan This item is working surplus. Only items pictured are included: If a part is not pictured, or mentioned above, then it included in the sale. The physical condition is good, but there are signs of previous use and handling. Model No: 250-2500mL/min.

Part No: 0190-85839. Sale Details.

part #: 019085839 prices

• $750.00-$1802.26

specifications pneumativalv:

• brand: Amat Applied Materials
• mpn: 0190-85839
• part type: Flow Controller Min
• category: Vacuum Cryogenics And Flow Control
• country of origin: Japan

shipping pneumativalv:

• transit: 3-9 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• cost: $0.00
• type: Calculated

payments pneumativalv:

• credit card: Diners-club
• wallet: Paypal
• other

offer pneumativalv:

• best offers: True
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: February 10, 2026

returns pneumativalv:

• paid by: Buyer
• policy: Returns Accepted
• method: Money back
• time: 60 Days

seller pneumativalv:

• rating: 99.6%
• # reviews: 10079
• city: Albuquerque, New Mexico

general pneumativalv:

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

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