RADIOACTIVITY / ATOMIC PHYSICS
::
147
Geiger-müller
counters
5135.55
5135.30-.35
Compatible
Geiger-müller counter
Geiger-Müller counter for use with Geiger-Müller tube
no. 5125.05 or 5125.25. Equipped with digital readout
and gate time options of 1 sec., 10 sec., 100 sec. and
infinitely. Adjustable G-M voltage 200 - 600 V with digital
display of voltage by means of push-button. Output for
digital scaler. Battery driven portable instrument to indi-
cate beta, gamma and high-energy alpha radiation. Size:
220 x 108 x 52 mm.
Ratemeter, analog
Adaptor no. 3550.00 can be used if desired to connect
This ratemeter is a battery operated portable GM-coun- to 220 V AC.
ter ideal for field use and equipped with a built-in GM-
5135.30 Geiger-müller counter
tube. The built-in GM-tube is sensitive to Alpha-, Beta-,
and Gamma-radiation.
Developed and designed especially for educational pur-
Geiger-müller counter
poses:
Same as 5135.30 but supplied with a RS232 port.
With analog moving coil meter: No flashing digits but
5135.35 Geiger-müller counter
continuous and stable readings, so students always
have a good idea about the level of radiation.
Output for TTL pulses. Analog output for external appli-
cations. Size: 205 x 109 x 53 mm. Mass: 720 g.
5135.55 Ratemeter, analog
Compatible
2002.50
Counter
be used. The counter is provided with an RS232 serial
This microprocessor controlled counter has a 25 mm
interface for connection to a PC and is compatible with
high LED display and is well suited for demonstration
the DATALYSE data collection program.
experiments in the classroom.
Counting times: 1 s, 10 s, 60 s, 100 s and manual. All of
The counter can be connected directly to GM Detectors
the fixed counting times can be selected for continuous
via a 6.3 mm jack receptacle. The following GM Detect-
or non-continuous measurements. See page 17 for a
ors are compatible: 5135.65 and 5135.70. TTL type sig-
more detailed description of the counter.
nals from other GM detectors or GM amplifiers can also 2002.50 Counter
®
Science Equipment for Education Physics
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