Measure radiation with a small, robust instrument with external measuring probe

Ranger EXP measures X-ray, Alpha beta and Gamma radiation

Ranger EXP is a high-performance radiation meter in a handheld, rugged and compact format for field measurements.

Especially designed with an external probe for people who perform measurements in tough environments. Ranger EXP offers incredibly good sensitivity to low levels of x-ray, alpha, beta and gamma radiation.

Large clear display, light and sound indication for each cps (count/second), adjustable timer, selectable alarm, USB Observe data transfer software, alarm settings and calibration of the instrument.

Download the Ranger EXP data sheet

RAP-RS2 Probe - External Halogen-quenched, uncompensated GM tube with thin mica window, 1.4-2.0 mg/cm2 areal density. Effective diameter of window is 45 mm (1.75 in.)

Operating Range
mR/hr - .001 (1µR) to 100
CPM - 0 to 350,000
µSv/hr - .01 to 1000
CPS - 0 to 5000
Total Counts- 1 to 9,999,000 counts
Accuracy (Referenced to Cs137)
Typically ±15% from factory, ±10% with NIST Source Calibration

Energy Sensitivity
Detects Alpha down to 2 MeV. Detects Beta down to .16 MeV; typical detection efficiency at 1 MeV is
approx. 25%. Detects Gamma down to 10 KeV through the detector window. 3340 CPM/mR/hr (137Cs). Smallest detectable level for 125I is .02 µCi at contact.

Built-In Efficiencies
Sulfur (35S), Strontium (90Sr/y), Cesium (137Cs), Phosphorus (32P), Carbon (14C), Iodine (131I), Cobalt (60Co), and Alpha

Two AA alkaline batteries (included). Approx. 800 hrs @ background
140 X 68 X 33 mm
RAP-RS2 External GM Probe, 3 ft BNC Cable, Carrying Case, Xtreme Boot, Lanyard, Stand, Batteries, Mini-USB Cable, Observer USB Software Download, Certificate of Conformance
1 year

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Daniel Gustafsson

Daniel Gustafsson

+4631 336 90 04

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