MKS GRANVILLE-PHILLIPS 275600-2-GD-T Mini Convectron Vacuum Philips Gauge

( Brand: Mks Granville-phillips ), ( Manufacturer Part Number: 275600-2-GD-T ), ( Part Type: Vacuum Gauge )

Review MKS GRANVILLE PHILLIPS Mini convectron Vacuum Gauge

The **MKS Granville-Phillips 275600-2-GD-T Mini-Convectron Vacuum Gauge** is a precision-engineered, compact yet highly versatile vacuum measurement instrument designed for applications requiring reliable, high-accuracy pressure readings across a broad range of environments. Part of the renowned **Convectron** series, this gauge leverages advanced thermal conductivity principles to deliver exceptional performance in both research and industrial settings, where space constraints or portability is a priority. The **275600-2** model features a **hot-filament sensor** housed in a rugged, corrosion-resistant **316 stainless steel** body, ensuring durability in demanding conditions such as semiconductor fabrication, thin-film deposition, or vacuum system calibration. Its **miniature design** measuring just **1.5 inches in diameter and 3.5 inches in length** makes it ideal for integration into compact chambers, glove boxes, or portable vacuum systems without sacrificing functionality.

At the heart of the gauge lies a **highly sensitive thermal conductivity sensor**, which measures pressure by detecting the rate of heat transfer between the filament and the surrounding gas. This principle allows the **Mini-Convectron** to operate effectively across a **wide pressure range of 10 to 10 Torr (1 mTorr to 100 mTorr)**, making it particularly well-suited for medium-vacuum applications where other gauge types may struggle. The **GD-T** variant includes a **digital output (0-5V or 4-20mA)** alongside its analog signal, providing flexibility for direct interfacing with data acquisition systems, process controllers, or PLCs. This dual-modality output ensures seamless integration into automated workflows, enabling real-time monitoring and precise control of vacuum conditions.

The gauge s **compact yet robust construction** incorporates a **ceramic-to-metal seal** for enhanced reliability, while its **low-power consumption** (typically under 10W) minimizes operational costs and heat generation, reducing the risk of thermal interference in sensitive environments. The **Mini-Convectron** is also equipped with a **built-in temperature compensation circuit**, which automatically adjusts readings for variations in ambient or filament temperature, ensuring consistent accuracy regardless of environmental fluctuations. For added convenience, the gauge includes a **front-panel display** (optional) or can be paired with external readout devices, depending on the application s requirements.

Beyond its technical specifications, the **275600-2-GD-T** stands out for its **long-term stability and low maintenance demands**, thanks to its **filament lifetime of approximately 1,000 hours** under normal operating conditions. This longevity, combined with its **quick response time** (typically under 1 second), makes it an excellent choice for dynamic vacuum processes where rapid adjustments are necessary. Whether used in **semiconductor manufacturing, materials research, or vacuum system diagnostics**, this gauge delivers the precision, reliability, and adaptability required to maintain optimal operating conditions. With its **MKS engineering pedigree**, the **Mini-Convectron** remains a trusted workhorse for engineers and scientists seeking a dependable, high-performance vacuum measurement solution in a compact form factor.

**Pros and Cons of buying a MKS Granville-Phillips 275600-2-GD-T Mini-Convectron Vacuum Gauge**

### **Pros**

1. **Precision and Reliability** The Mini-Convectron is known for its high accuracy and stability in measuring low to medium vacuum pressures (typically from 10 -3 to 10 -1 Torr). Its convectron design provides consistent readings over time, making it suitable for applications requiring repeatable measurements.

2. **Compact and Portable Design** As a "mini" version, it is more compact than larger vacuum gauges, making it easier to integrate into smaller systems or portable setups. This can be advantageous for research labs, educational institutions, or industrial applications with space constraints.

3. **Wide Pressure Range** The gauge covers a broad range of pressures, from rough vacuum (low 10 -3 Torr) to high vacuum (down to 10 -1 Torr), which makes it versatile for various applications, including leak detection, system characterization, and process monitoring.

4. **Durability and Longevity** MKS (now part of Scientific Instruments) is a well-established manufacturer with a reputation for building robust instrumentation. The Mini-Convectron is designed for long-term use in demanding environments, such as semiconductor manufacturing, thin-film deposition, or materials research.

5. **Compatibility with MKS Systems** If you already use other MKS instruments or software, this gauge may integrate seamlessly with your existing setup, reducing compatibility issues and simplifying data logging or control.

6. **Low Maintenance Requirements** Convectron gauges generally require minimal maintenance compared to other types of gauges (e.g., ionization gauges), as they lack moving parts or filaments that can degrade over time. This can translate to lower operational costs.

7. **Good for Educational and Research Purposes** Its balance of accuracy, simplicity, and cost-effectiveness makes it a practical choice for academic labs or research projects where budget constraints are a factor.

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### **Cons**

1. **Limited Low-Pressure Range** While the Mini-Convectron performs well in the mid-vacuum to high-vacuum range, it is not suitable for ultra-high vacuum (UHV) applications (below 10 -6 Torr). For such applications, you would need a different gauge type (e.g., ionization gauge or Bayard-Alpert gauge).

2. **Slower Response Time Compared to Ionization Gauges** Convectron gauges typically have a slower response time than ionization gauges, which can be a drawback in dynamic systems where rapid pressure changes need to be monitored.

3. **Sensitivity to Contaminants** Like many vacuum gauges, the Mini-Convectron can be affected by residual gases or contaminants in the system. If the vacuum environment is heavily contaminated (e.g., with reactive gases or particulates), the gauge s performance may degrade over time.

4. **Higher Cost Relative to Simpler Gauges** While it is more affordable than some high-end UHV gauges, the Mini-Convectron is still more expensive than basic mechanical or thermal conductivity gauges (e.g., Pirani or Penning gauges). For rough vacuum applications, these alternatives may suffice at a lower cost.

5. **Calibration Requirements** Like all precision instruments, the Mini-Convectron may require periodic calibration to maintain accuracy. This adds to the long-term cost of ownership, though it is generally straightforward to perform.

6. **Limited Digital Output Options** Depending on the model and configuration, some Mini-Convectrons may lack advanced digital interfaces or communication protocols (e.g., no built-in USB or Ethernet). This could require additional hardware for data acquisition or automation.

7. **Potential for Outgassing in Poorly Baked Systems** If the vacuum chamber or system has not been properly baked or outgassed, the gauge s readings may be affected by desorbing gases, leading to less reliable measurements.

---

### **Conclusion**

The MKS Granville-Phillips 275600-2-GD-T Mini-Convectron vacuum gauge is a solid choice for applications requiring **mid-vacuum to high-vacuum measurements with moderate accuracy and reliability**. Its compact size, durability, and broad pressure range make it well-suited for **research labs, educational settings, or industrial processes where UHV is not required**. However, if your application demands **ultra-high vacuum, rapid response times, or extreme sensitivity**, you may need to consider alternative gauge types.

For users already invested in the MKS ecosystem or those needing a **versatile, mid-range vacuum gauge**, this is a worthwhile purchase. For budget-conscious users or those working in rough vacuum environments, a simpler gauge might be more cost-effective.

### **Recommendation**

- **Buy it if:** You need a **reliable, mid-range vacuum gauge** for applications like **semiconductor processing, thin-film deposition, or leak detection** where the pressure range of 10 -3 to 10 -1 Torr is sufficient. It is also a good fit for **academic labs or small-scale research** where space and budget are considerations.

- **Avoid it if:** You require **ultra-high vacuum (below 10 -6 Torr)**, need **ultra-fast response times**, or are working in **highly contaminated environments** where gauge longevity could be compromised. In such cases, an ionization gauge or a different convectron model may be more appropriate.

- **Consider alternatives:** If your budget is tight, a **Pirani gauge** (for rough vacuum) or a **Bayard-Alpert ionization gauge** (for UHV) might be better suited. For portability, some digital vacuum meters with multiple sensors could offer flexibility.

Details:

MKS Granville-Phillips 275600-2-GD-T Mini-Convectron Vacuum Gauge. 10-42A4-111519-BR-GX. Shipping Services. This item is being sold as is, pictured.

part #: 2756002gd price

• $254.99

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• brand: Mks Granville-phillips
• mpn: 275600-2-gd-t
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