
( Brand: Wm B Johnson Associates ), ( Manufacturer Part Number: GSM-110 ), ( Part Type: Geiger Meter )
The GSM-110 Johnson Geiger Counter is a versatile and reliable tool for measuring radiation levels. This device is compact and portable, making it easy to carry around for various applications. The GSM-110 features a high-sensitivity Geiger-Muller tube, which is capable of detecting a wide range of radiation types, including alpha, beta, and gamma radiation.
The digital display on the GSM-110 is easy to read and provides accurate readings in counts per minute (cpm). The device also has an adjustable sensitivity control, allowing users to fine-tune the sensitivity of the Geiger-Muller tube to suit their specific needs. This feature is particularly useful in environments with varying radiation levels.
The GSM-110 is equipped with a built-in alarm system that activates when radiation levels exceed a pre-set threshold. This feature is an essential safety feature for users working in high-radiation environments, as it provides an early warning system to prevent overexposure.
The device is powered by two AA batteries, which are easily replaceable. The GSM-110 also has an automatic shut-off feature to conserve battery life when not in use. The device is also equipped with a test button, allowing users to check the device's functionality and calibration.
The GSM-110 is built to last, with a durable and water-resistant casing. The device is also lightweight and compact, making it easy to transport and store. The device comes with a protective carrying case, which can be easily attached to a belt or backpack.
Overall, the GSM-110 Johnson Geiger Counter is a powerful and reliable tool for measuring radiation levels. Its high sensitivity, adjustable sensitivity control, built-in alarm system, and automatic shut-off feature make it an excellent choice for users working in various environments, from industrial settings to outdoor activities.
Pros of buying a GSM-110 Johnson Geiger Meter:1. Affordable: The GSM-110 is one of the most budget-friendly Geiger counters on the market, making it an accessible option for individuals who are interested in radiation detection but don't want to break the bank.
2. Portable: The compact size and lightweight design of the GSM-110 make it easy to carry around, making it a good choice for outdoor activities or travels.
3. Durable: The GSM-110 is made of high-quality materials and is built to withstand harsh environmental conditions, ensuring that it can last for a long time.
4. Simple to use: The GSM-110 has a user-friendly interface, making it easy for anyone to use, even those without any prior experience with Geiger counters.
Cons of buying a GSM-110 Johnson Geiger Meter:1. Limited range: The GSM-110 has a limited range of detection, which means it may not be able to detect low levels of radiation or radiation sources that are far away.
2. Limited accuracy: While the GSM-110 is generally accurate, it may not be as precise as more expensive Geiger counters, which can affect its reliability.
3. Lack of features: The GSM-110 is a basic Geiger counter and does not come with many additional features, such as data logging or the ability to connect to a computer.
Conclusion:The Johnson GSM-110 Geiger counter is a good choice for individuals who are looking for an affordable and portable Geiger counter for basic radiation detection. Its durability and user-friendly interface make it an ideal option for beginners or for those who need a reliable Geiger counter for outdoor activities. However, its limited range and accuracy may not be suitable for more advanced users or for professionals who require more precise and advanced features.
Recommendation:If you are looking for a basic Geiger counter for personal use or for occasional radiation detection, the Johnson GSM-110 is a great option. However, if you require a more advanced and precise Geiger counter for professional use or for detecting low levels of radiation, you may want to consider investing in a more expensive model with additional features.
Cosmetically in good condition the inside is very clean-see pictures. Sold as pictured. 9v battery will need to be replaced not included. Wm b Johnson Associates geiger meter GSM-110 in good used condition, recently removed from working environment-untested further.