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"I apologize..... :)
I totally doubted these microscopes when I got the email and thought "whatever! They're going to sit in the closet like the other ones because they'll be too hard to use.."
I was totally wrong....they ARE super EASY! :)" -- Library Media Specialist by
Amy -- Maryland
Geiger Muller
Product Code: 3265
Price: $449
Housed in a robust casing this self-contained sensor detects radiation from Alpha, Beta and Gamma particles.
The Geiger Muller sensor is very simple to use, as it does not require an external power source, deriving its power from the datalogger unit.
More Product Information
Applications
Physics:
Half life Random events
Environmental Science:
Radioactivity exposure due to natural radon
Range 1 Counts per second: 0 - 10,000 cps
Resolution: 1 cps
Range 2 Accumulative count with zero reset: 0 - 65,535 count
Resolution: 1 count
Range 3 Pulse Output 10 - 100%
The Geiger Muller Counter is supplied with a steel rod for fixing to a clamp (ring) stand. It is equipped with a built-in GM tube and integral high tension power supply.
A yellow LED power indicator shows that an operating voltage is supplied to the Counter, and a buzzer that emits an audible signal for each radioactive pulse that is recorded. The GM tube's window is made of a very thin and delicate material, which is easily destroyed. For this reason it has been equipped with a protective cap that may be left on except when measuring Alpha radiation.
Technical specification for the GM Tube window:
Thickness: 1.5 to 2.0 mg/cm2
Useful diameter: 9.14mm
Material: Mica
Gas filling: Neon, Argon, and Halogen
Use the Counts per second range for investigations to determine half life and absorption of radiation by different materials.
Use Open Count for recording background count. Pressing the button on the sensor housing starts the count. Pressing the button again, hold for a second and release, resets the count to zero.
Pulse Output - Each radioactive particle will generate one voltage pulse. The occurrence of the pulse is recorded to show the randomness of atomic decay. This range requires fast data capture.
Measurement procedure: Radioactive sources used in schools are usually weak, but care must be taken in handling them. An authorised person must be in attendance. Ensure all local rules and recommendations made in any relevant Safety Data Sheets are complied with. Prepare a risk assessment before the experiment or activity is carried out.
Product Item Contents
Geiger Muller
0 to 10,000 counts per sec
0 to 65,535 accum count
0 to 100% pulse output
NOTE: A Sensor Cable is required to connect this sensor to the ONE Link, SOLUS, or VISION datalogger.
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