GRANVILLE-PHILLIPS 307090 Vacuum Gauge Controller

( Brand: Granville-phillips ), ( Manufacturer Part Number: 307090 ), ( Type: Vacuum ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review GRANVILLE PHILLIPS Used 307 Vacuum Gauge Controller

The **Granville-Phills 307090 307 Vacuum Gauge Controller** is a precision-engineered instrument designed to provide accurate, reliable, and versatile monitoring of vacuum levels in industrial, laboratory, and research applications. Built with Granville-Phillips reputation for high-performance instrumentation, this gauge controller is a robust solution for systems requiring precise pressure regulation, whether in semiconductor manufacturing, vacuum furnaces, freeze-drying processes, or scientific research. The 307 series operates on the principle of thermal conductivity, utilizing a hot-filament sensor to measure pressure within a wide range from ultra-high vacuum (UHV) to rough vacuum making it adaptable to diverse environments. Its modular design allows for seamless integration with various vacuum pumps and gauges, ensuring compatibility with both new and existing systems. The controller features a high-precision analog output, enabling real-time monitoring and control via external devices, while its digital display provides clear, user-friendly readings with adjustable units (Torr, mbar, Pa, etc.). Engineered for durability, the 307090 is constructed with corrosion-resistant materials and a rugged housing, ensuring long-term reliability in demanding environments. Whether used for process optimization, safety monitoring, or experimental precision, this vacuum gauge controller delivers consistent performance with minimal maintenance, making it an indispensable tool for professionals who demand accuracy and dependability in their vacuum applications.

### Pros and Cons of buying a Granville-Phills 307090 307 Vacuum Gauge Controller

1. **High Precision and Reliability** The 307 series is known for its accuracy in measuring vacuum levels, making it suitable for applications requiring precise control, such as industrial processes, research labs, or semiconductor manufacturing.

2. **Durability and Build Quality** Granville-Phillips is a well-established brand with a reputation for robust instrumentation. The 307090 is designed to withstand demanding environments, reducing the need for frequent replacements.

- **Semiconductor manufacturing** (for process control in etching, deposition, and sputtering)

- **Vacuum furnaces** (for heat treatment and material processing)

- **Research laboratories** (for scientific experiments requiring controlled vacuum conditions)

- **Industrial vacuum systems** (for filtration, drying, or material handling)

4. **Compatibility with Multiple Sensors** The 307 series supports various vacuum sensors, including ionization gauges, Pirani gauges, and cold cathode gauges, allowing for flexibility in system design.

5. **Digital Display and Readout** The gauge provides clear, digital readings, making it easier to monitor vacuum levels in real time without manual adjustments.

6. **Modular Design** Some models in the 307 series allow for easy upgrades or modifications, extending the lifespan of the equipment.

7. **Industry Standard Compliance** Granville-Phillips products often meet industry standards, ensuring compatibility with existing systems and regulatory requirements.

8. **Long-Term Availability of Parts** Due to its legacy status, spare parts and technical support may remain available for extended periods, reducing long-term maintenance costs.

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1. **High Initial Cost** Compared to newer or generic vacuum gauge controllers, the Granville-Phillips 307090 can be expensive, which may be a barrier for small businesses or budget-conscious buyers.

2. **Complexity for Beginners** The advanced features and settings may require training or technical expertise to operate effectively, making it less ideal for users without prior experience in vacuum systems.

3. **Limited Modern Connectivity** Unlike newer digital controllers, the 307090 may lack advanced connectivity options such as Ethernet, USB, or direct integration with modern SCADA systems, which could be a drawback in automated environments.

4. **Maintenance Requirements** While durable, vacuum gauge controllers still require periodic calibration and maintenance to ensure accuracy. Some users may need to invest in training or hire specialists for upkeep.

5. **Potential for Obsolescence** As technology evolves, newer vacuum gauge controllers may offer superior features (e.g., touchscreens, wireless communication, or AI-assisted diagnostics). The 307090, being an older model, may not benefit from these advancements.

6. **Dependence on Legacy Support** Since Granville-Phillips is no longer the dominant player in the market, finding authorized service centers or technical support may be more challenging than with newer brands.

7. **Size and Installation Constraints** The physical size of the unit may require careful installation planning, especially in space-limited environments.

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The Granville-Phills 307090 307 Vacuum Gauge Controller is a **high-quality, reliable, and precise** instrument well-suited for industries where vacuum control is critical, such as semiconductor manufacturing, research, or industrial processing. Its durability, accuracy, and compatibility with various sensors make it a strong choice for applications where legacy systems or long-term performance are priorities.

However, its **high cost, complexity, and lack of modern connectivity** may not justify the purchase for users seeking budget-friendly, user-friendly, or highly automated solutions. If you require cutting-edge features like digital integration or touchscreen interfaces, newer alternatives may be more appropriate.

- You operate in an industry (e.g., semiconductor, research labs) where precision and reliability are non-negotiable.

- You already have a compatible vacuum system and need a proven, long-lasting controller.

- You prioritize durability over modern connectivity and are willing to invest in maintenance or training.

- You require a gauge controller with a strong track record of performance in demanding environments.

- You need a more affordable option with modern features (e.g., digital interfaces, wireless communication).

- Your application requires frequent updates or integration with automated systems.

- You lack in-house expertise to maintain or calibrate the equipment.

- You are working on a tight budget and can find comparable performance from newer brands at a lower cost.

For users who need a balance between legacy reliability and modern functionality, exploring newer models from brands like **Leybold, Pfeiffer Vacuum, or Edwards** (which offer digital upgrades) may be worth evaluating. However, if you are committed to a proven, high-performance vacuum gauge controller, the Granville-Phillips 307090 remains a solid choice.

Details:

Used Granville Phillips 307 Vacuum Gauge Controller 307090.

part #: 307090 prices

• $2995.00-$3595.00

specifications valvplu:

• brand: Granville-phillips
• mpn: 307090
• type: Vacuum
• unit type: Unit
• country of origin: United States

offer valvplu:

• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: May 2, 2026
• sold: 0

seller valvplu:

• city: Malden, Massachusetts
• rating: 100.0%
• # reviews: 39

returns valvplu:

• policy: No Returns

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps
• condition: Used

payments valvplu:

• wallet: Apple-pay
• other
• credit card: Diners-club

shipping valvplu:

• transit: 7-13 Days
• class: Standard
• type: Calculated
• cost: $86.90
• carrier: USPS
• service: USPS Ground Advantage

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