Radiation Alert Ranger Exp Geiger Counter


(GST 18% Exclusive)

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Radiation Alert Ranger Exp Geiger Counter is a small handheld Radiation detector that offers excellent sensitivity to low levels of alpha, beta, gamma, and x-rays. The digital readout is displayed with a red count light and a beeper sounds with each count detected. Other features include an adjustable timer, selectable alert, and with the free Observer USB Software Family, you can download your collected data, set alarms, and calibrate your meter.
Application: Laboratory, Metal testing, Scrap analysis, etc.

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Radiation Alert Ranger Exp Geiger Counter provides optimum output in a lightweight, versatile approach for using your survey meter in laboratory or field harsh industrial environments. This provides outstanding exposure to low levels of Alpha, Beta, as well as Gamma and X-rays, with its oversized, pancake type GM pipeline. The survey meter for the EXP is now smaller, more ergonomic, and has better features, all at the same price! The Ranger EXP features a new touchpad technology interface and includes an integrated, protective boot with each instrument at no extra charge.

Features of Radiation Alert Ranger Exp Geiger Counter:

  • Micro, hand-held instrument based on microprocessors
  • Excellent exposure to weak Alpha, Beta, Gamma, and X-ray rates
  • Digital display with a backlit view
  • Red Light Counts
  • Audible Beeper sounds with each detected count, giving instant indications of the level of radiation.
  • Choose Alert Levels
  • Timer adjustable to perform Timed Counts
  • Built-in efficiencies to calculate activity in the Bq and DPM for common isotopes. (Important: The Ranger does not recognize any isotopes-you must know the isotope in advance to use this feature).
  • Data storage, internal memory, and USB networking
  • Free USB Observer program to download your files, set alarms to your device, and calibrate your instrument!

Additional information

Weight 1 kg




Range (milliroentgens per hour)

.001 (1µR) to 100

Range (Counts per minute)

0 to 350,000

Range (microsievert per hour)

.01 to 1000

Range (counts per second)

0 to 5000


(Referenced to Cs137) Typically ±15% from factory,
±10% with NIST Source Calibration


1 to 9,999,000 counts


Graphic LCD with Backlight

Alert Set Range (milliroentgens per hour)

.001 to 100

Alert Set Range (Counts per minute)

1 to 350,000

Detects Alpha down to

2 MeV

Detects Beta down to

.16 MeV

Detects Gamma down to

10 KeV through the end window

Typical detection efficiency at

1 MeV is approx. 25%

Count Light

Red LED flashes with each radiation event

Audio Indicator

Internally mounted beeper. 70db @ 1m.
(can be switched off for silent operation)


1 year limited warranty


140 X 68 X 33 mm (5.5 X 2.7 X 1.3 in.) ;
Probe: 260 X 70 X 25 mm (10.25 X 2.75 X 1 in)

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Radiation Alert Ranger Exp Geiger Counter


(GST 18% Exclusive)

Add to cart