
( Brand: Emi ), ( Model: 9659BM ), ( Part Type: Vacuum Tube ), ( Country/region Of Manufacture: United Kingdom )
The 9659BM EMI Electron Tube Scintillation Photomultiplier Vacuum is a high-performance device designed for use in various scientific applications, particularly in the field of particle physics and nuclear physics.
This vacuum photomultiplier tube features a bialkali photocathode with a peak sensitivity at around 420 nanometers, making it ideal for detecting ultraviolet and visible light photons. The tube is equipped with a 9-stage dynode chain, which provides a high gain of up to 106, ensuring that even the faintest signals can be detected and amplified.
The 9659BM is designed to operate in a high vacuum environment, which reduces the noise level and improves the resolution of the device. The tube is designed to operate at a voltage of 1.2 kV, and it requires a current of around 100 to 200 microamps to function properly.
The photomultiplier tube is made of high-quality materials, including a borosilicate glass envelope and a metal base, which makes it robust and durable. The tube is also designed to operate in a wide temperature range, from -20 to 60 degrees Celsius, ensuring that it can be used in a variety of experimental setups.
In summary, the 9659BM EMI Electron Tube Scintillation Photomultiplier Vacuum is a high-performance device that is ideal for detecting and amplifying ultraviolet and visible light photons in a high vacuum environment. It features a bialkali photocathode, a 9-stage dynode chain, and is made of high-quality materials, ensuring that it is robust and durable. The tube is designed to operate in a wide temperature range and requires a voltage of 1.2 kV and a current of around 100 to 200 microamps to function properly.
Pros of buying a 9659BM EMI Electron Tube Scintillation Photomultiplier Vacuum:1. High Sensitivity: The 9659BM photomultiplier tube has a high sensitivity, making it ideal for low-level radiation detection.
2. High Dynamic Range: It has a high dynamic range, which means it can detect a wide range of radiation levels.
3. Excellent Linearity: The photomultiplier tube has excellent linearity, ensuring accurate measurements.
4. Long Lifespan: Electron tube scintillation photomultipliers, like the 9659BM, have a longer lifespan compared to solid-state photomultipliers.
Cons of buying a 9659BM EMI Electron Tube Scintillation Photomultiplier Vacuum:1. Vacuum Maintenance: Vacuum-based photomultipliers require regular maintenance to ensure proper operation.
2. Fragility: Electron tube scintillation photomultipliers are more fragile than solid-state photomultipliers and can be damaged easily.
3. Size and Weight: The 9659BM is larger and heavier than some solid-state photomultipliers, making it less portable.
4. Requires Power Supply: It requires a specific power supply to operate, which may not be included in the purchase.
Conclusion:The 9659BM EMI Electron Tube Scintillation Photomultiplier Vacuum is a high-performance device with exceptional sensitivity, dynamic range, and linearity, making it an excellent choice for radiation detection applications that require high precision. However, its fragility, size, and weight, as well as the need for regular vacuum maintenance and a specific power supply, are important considerations. If these factors are not a concern, the 9659BM could be a valuable investment for your research or industrial needs.
Recommendation:If you are in the market for a photomultiplier tube for radiation detection and the 9659BM seems like a good fit for your needs, it is recommended to purchase from a reputable dealer to ensure you receive a high-quality product. Additionally, consider the cost of any necessary accessories, such as a vacuum pump and power supply, to ensure the overall cost of ownership is within your budget.
The device appear to be in great shape without any visible damage or other issues. Here is a vintage Emi 9659BM scintillation photomultiplier vacuum tube for the ones, who knows what it. I do not have means to test it so is sold as-is.
Are of the actual item and what you see is going to get.