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We offer 6 very different models of Pocket Geiger
Counters, along with additional
meter or detector configurations for 2 of those 6, totaling a dozen different selections.
Click on the links or pictures
below for detailed information and specifications on each of these models:
DX-1 & 2
Monitor 4
Radalert 100
$289 to $309
$239 to $389 $359 to
$429

PRM-8000
Inspector
PRM-9000
$469
$549
$595
Which Pocket Model is right for me?
 | DX-1 - Detects Beta, Gamma, and X-rays on an analog
meter to 10 mR/hr.
An affordable and simple to use Geiger counter for general
purposes or for the hobbyist - adequate for a basic determination of whether or not something is
radioactive. Price: $289 |
 | DX-2 - Identical to the DX-1, but with a
higher
ranging meter, up to 100 mR/hr. If you want to not
only detect radioactivity, but also to quantify higher levels, for instance at 15 mR/hr versus 60 mR/hr,
then the DX-2 would be preferable to the DX-1.
Price: $309 |
 | Monitor 4 - An excellent all-around pocket Geiger
counter that detects Alpha, Beta, Gamma,
and X-rays up to 50 mR/hr, and offers switchable operating ranges, an especially nice feature
for low levels of radioactivity - you can set it to the
most sensitive operating range so the analog meter is easier to read, i.e. the
needle will "jump" that much farther for the same level of
radioactivity. Price: $349 |
 | Monitor 4 Kit - For those who want to save
money off the factory built and calibrated Monitor 4, and who also enjoy
building electronic kits from scratch. Price: $239 |
 | Monitor 4EC - A specialized version of the
Monitor 4, with an energy
compensated Geiger-Mueller tube that offers a more accurate linear reading for
Gamma and X-rays (above 40 keV), making the EC model especially suitable
for checking X-Ray machines for leaks. Price - $389 |
 | MC1K - Another specialized version from the
Monitor 4 line that offers Gamma and X-Ray detection at very high
levels, up to 1,000 mR/hr. Price - $365 |
 | Radalert 100 - An excellent all-around pocket Geiger
counter that detects Alpha, Beta, Gamma,
and X-rays up to 100 mR/hr, but does so with a digital readout instead of an
analog meter. It is comparable in sensitivity to the Monitor 4, but
offers a user-adjustable audible alert.
It also has a mode for accumulating Total Counts, making it very easy to establish a
background radiation level. The Radalert incorporates a data port for output to a computer,
along with optional software.
Price: $429 |
 | CRM-100 - A more affordable
version of the Radalert 100 for those who do not need the user adjustable
audible alert feature. Price: $359 |
 | PRM-8000 - Newly released in July 2011,
this American made instrument should generally be compared to the
Radalert/Digilert 100 series, in that it uses the same standard GM tube
capable of detecting Alpha, Beta, Gamma, and X-Rays, reading out also
in a digital LCD display. Its operating range is twice as high,
however up to 200 mR/hr, and the PRM-8000 is alone among our selection
of pocket models in offering a self-contained logging feature and
long-life alkaline battery power (3 years).
Like The Radalert, the PRM also incorporates a Timed Count feature, an
audible Alert, and data port for optional software. Price:
$469 |
 | Inspector - Among the most sensitive pocket Geiger counters
available, a very popular unit, and perhaps the best hand-held unit
ever. Its oversized pancake styled
Geiger-Mueller tube detects the lowest levels of Alpha, Beta, Gamma,
and X-rays, making it suitable for higher sensitive applications such as checking
food for radioactive contamination. Plus, the Inspector offers
a digital readout to 100 mR/hr, versus an analog meter, has an adjustable
timer to set sampling periods, and a data port for output to a
computer, along with optional software. The newer version of the
Inspector, called the Inspector Alert or Inspector +, offers the
same user-adjustable audible alert as in the Radalert 100
Price: $549 |
 | PRM-9000 - Almost identical to its PRM-8000
predecessor, but fitted with the same ultra-sensitive pancake-style GM tube
as in the Inspector. When deciding between the Inspector and the
PRM-9000, choose the former for its simpler and more user-friendly interface, or opt for the PRM-9000 to obtain a more
full-featured instrument with comprehensive statistical data,
as well as a true data logging feature. Like the 8000, the PRM-9000
also features an incredibly long battery life. Price: $595 |
Click here to Compare these Models in detail.
Back to overview of Geiger Counter Models |