
( Brand: Ludlum ), ( Model: 3-98 ), ( Type: Geiger Counter )
The Ludlum 3-98 Dual Geiger Counter Survey Meter is a sophisticated and reliable instrument designed for measuring radiation levels, making it an essential tool for various applications, including environmental monitoring, industrial safety, and radiation protection.
This dual geiger counter features two independent channel tubes, one for beta and gamma radiation and another for alpha radiation, allowing for accurate and simultaneous measurement of different radiation types. The high-sensitivity Geiger-M ller tubes ensure quick and responsive detection, while the digital display provides clear and precise readings, displaying both rate and dose information.
The Ludlum 3-98 is equipped with a built-in alarm system that activates when pre-set radiation levels are exceeded, providing an additional layer of safety. The device also features a multifunction control knob, allowing for easy switching between different functions, such as rate, dose, and alarm settings.
The meter is designed with a rugged and water-resistant housing, ensuring durability and reliability in harsh environments. It is also equipped with a built-in rechargeable battery, eliminating the need for frequent battery replacements, and a long-lasting backlit LCD screen, making it easy to read in low-light conditions.
The Ludlum 3-98 Dual Geiger Counter Survey Meter is a versatile and powerful tool for professionals in various fields, providing accurate and reliable radiation level measurements to ensure safety and compliance with regulatory standards.
Pros of buying Ludlum 3-98 Dual Geiger Counter Survey Meter:1. Versatility: This device can detect radiation in the beta, gamma, and alpha spectrum, making it suitable for a wide range of applications, including environmental monitoring, industrial safety, and nuclear physics research.
2. Reliability: Ludlum is a well-known brand with a reputation for producing high-quality, durable equipment. The Ludlum 3-98 is built to withstand harsh conditions and is designed for long-term use.
3. Accuracy: The Ludlum 3-98 features a highly sensitive detector and advanced electronics to provide accurate and reliable radiation readings.
4. Portability: The device is lightweight and compact, making it easy to carry and use in the field.
5. User-friendly: The Ludlum 3-98 has a simple and intuitive interface, making it easy for users of all skill levels to operate.
Cons of buying Ludlum 3-98 Dual Geiger Counter Survey Meter:1. Expensive: The Ludlum 3-98 is a high-end device and can be quite costly, which may be a barrier for some potential buyers.
2. Requires specialized knowledge: While the device is user-friendly, it requires a basic understanding of radiation and radioactivity to use effectively.
3. Calibration required: The Ludlum 3-98 needs to be calibrated periodically to ensure accurate readings, which can add to the cost and time required to maintain the device.
4. Limited range: While the Ludlum 3-98 can detect radiation from a wide range of sources, it has a limited detection range, which may be a limitation for some applications.
Conclusion:The Ludlum 3-98 Dual Geiger Counter Survey Meter is a high-quality, versatile, and reliable device that is well-suited for a wide range of applications. Its accuracy, portability, and user-friendliness make it an excellent choice for professionals and enthusiasts alike. However, its high cost and the requirement for specialized knowledge and calibration may be a deterrent for some potential buyers. Ultimately, whether the Ludlum 3-98 is a good fit for you depends on your specific needs and budget.
Recommendation:If you are in need of a high-quality geiger counter for professional or research purposes and have the budget to invest in a top-of-the-line device, the Ludlum 3-98 is an excellent choice. Its versatility, reliability, and accuracy make it a valuable tool for detecting and measuring radiation in a variety of environments. However, if you are on a tighter budget or only need a basic geiger counter for hobbyist purposes, there are other more affordable options available that may better suit your needs. It is always important to do your research and compare different devices to find the one that best meets your specific requirements.
1, x1, x10, x100 linearity: reading within of true value with detector connected audio: built-in uni morph speaker on off switch greater than 60 db at. 9 x mg cm window stainless steel protective screen 79 open area: active: 15. This detectors face can be exposed via a slide located along the bottom of instrument, thus making it sensitive to alpha and beta as well.
The internally-housed gm pancake detector can be used to read gamma. The dual detector design allows user to select for task at hand. 51 cm the rate meter is Ludlum venerable model 3 series, which employs a robust aluminum cast instrument housing with separate battery compartment for long-lasting protection and long life.
26 cm m 2 ft calibration controls: accessible from front of instrument protective cover provided high voltage : adjustable volts threshold: 30 MTV 10 response: toggle switch for fast 4 seconds or slow 22 to 90 final reading reset: push button zero meter power:cell batteries housed in sealed compartment that is externally battery life: typically 600 hours with alkaline batteries, condition can be checked on meter: 6.
5 for 125i based on 129i efficiency of 18 background r hr: 350 Com sensitivity: 675 energy range: recommended Kiev to 60 connector: series c others available meter dial: kc pm, bat test multipliers: x0. 9 in efficiency 4 geometry: 5 for 14c 23 90sr 90y 19 99tc 33 32p 15 239pu sensitivity: typically 3300 Com Mr hr 137cs gamma alpha-beta shield: retractable 211 mg cm phenol slide external detector: model 44-3 type: 125i and low-energy scintillate. 6 lb including batteries and detector.
The front-panel controls include a rotary switch for selecting 4-decade range, instrument shut-off and battery test, audio on off switch, fast slow response count reset button, internal external detector. Arc, 1 ma analog type construction: cast and drawn aluminum with beige powder coat finish temperature range: 20 to 50 c 4 f size: 22. The external Nair detector, Ludlum model 44-3, is optimized for low-energy gamma from 125i. 4 in open: 12.
Specifications indicated use: alpha, beta, low-energy gamma survey detectors: two, user-selected by switch internal detector: type: pancake-style gm detector with Ludlum 3-98 dual survey meter geiger counter is in good working condition and has been tested on the pulse for accuracy, responds well to cesium source.