
( Brand: Thorn Emi ), ( Manufacturer Part Number: 9781-RA ), ( Type: Extended Red Range Photo Multiplier Tube ), ( Material: Quartz Envelop ), ( Color: Clear Quartz Top With Blue 11 Pin Base ), ( Country/region Of Manufacture: United Kingdom )
The Multiplier RA 9781 Enhanced EMI Tube 700 PMT NM Thorn is a high-performance photomultiplier tube designed for use in scientific applications that require excellent sensitivity and low noise. This tube features a high gain multiplier, which allows it to amplify weak signals up to millions of times, making it ideal for use in applications such as particle physics, astronomy, and spectroscopy.
The Multiplier RA 9781 Enhanced EMI Tube 700 PMT NM Thorn is equipped with an enhanced EMI shield to protect it from electromagnetic interference, ensuring that it can deliver accurate and reliable results even in noisy environments. The tube also features a photocathode made of a special material that is highly sensitive to photons in the near-ultraviolet (NUV) and visible (VIS) range, making it ideal for use with light sources such as lasers and LEDs.
The Multiplier RA 9781 Enhanced EMI Tube 700 PMT NM Thorn is constructed using high-quality materials and advanced manufacturing techniques to ensure long-term reliability and stability. The tube is housed in a sturdy metal casing that is resistant to vibration and shock, and it is equipped with a high-voltage power supply that is easy to adjust and calibrate.
Overall, the Multiplier RA 9781 Enhanced EMI Tube 700 PMT NM Thorn is a powerful and versatile photomultiplier tube that is well-suited for use in a wide range of scientific applications. Its high gain, enhanced EMI shield, and sensitive photocathode make it an excellent choice for researchers and engineers who need to detect and analyze weak signals in noisy environments.
Pros of buying Multiplier RA 9781 Enhanced EMI Tube 700 PMT NM Thorn:1. High Performance: The Multiplier RA 9781 is known for its excellent performance, making it a popular choice for professional use.
2. Enhanced EMI Shielding: The enhanced EMI shielding feature ensures that the tube operates efficiently in electromagnetically noisy environments.
3. PMT (Photomultiplier Tube): The PMT in this tube provides high sensitivity, making it suitable for low-light applications.
4. NM (Negative Medium) Thorn: The Thorn NM design ensures a long tube life, reducing the need for frequent replacements.
Cons of buying Multiplier RA 9781 Enhanced EMI Tube 700 PMT NM Thorn:1. High Cost: The Multiplier RA 9781 is a high-end product, which can be quite expensive compared to other tubes on the market.
2. Maintenance: While the Thorn NM design ensures a long tube life, it requires regular maintenance to maintain its performance.
3. Availability: Due to its high demand and specialized nature, the Multiplier RA 9781 may not be readily available in all markets.
In conclusion, the Multiplier RA 9781 Enhanced EMI Tube 700 PMT NM Thorn is a high-performance product that is well-suited for professional applications. Its enhanced EMI shielding, PMT, and NM Thorn design make it a reliable and durable choice. However, its high cost and maintenance requirements may make it less suitable for budget-conscious consumers or those with less demanding applications.
If you are looking for a high-performance tube for professional use and can afford the cost, the Multiplier RA 9781 is a worthy investment. If you have a tighter budget or require a tube for less demanding applications, there may be other options available that are more suitable for your needs.
The photos are of the actual pmt for sale herein.
The 9871 b has a range of 190 nm to about 650 nm. Whereas this 9871 ra pmt has an enhanced range from 190 nm to about 730 nm near infra red range.
Take a look at the photos and the tech data on this tube. Up for sale is a used Thorn Emi pmt photo multiplier tube type 9781 ra with enhanced red response in excellent condition this pmt has been tested and is a direct physical replacement for the 9871 b. Enough said.
The pmt is the heart of your spectrometer, if it goes out, your spectrometer is down and out.