• Radiation Alert® RAP-RS2

    Replacement Probe for The Ranger EXP Survey Meter.

RAP-RS2 / EXP Replacement Probes - a ß y x


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.). Radiation symbol on probe head label marks the center of the detector.

Which Detector Works With My Model of EXP?

The RAP-RS1 fits the EXP Models (SN#s 27299 and lower)
The RAP-RS2 fits the EXP Models (SN#s 27300 and higher)

Probe Construction

Anodized aluminum housing


RAP-RS1 Approx. 8.75 X 1 in. (222 X 25 mm) Dia.: 2.75 in. (70 mm)
RAP-RS2 Approx. 10.7 X 1 in. (272 X 25 mm) Dia : 2.75 in. (70 mm)


RAP-RS1: Amphenol-Tucal


Black foam grip


RAP-RS1: Approx. 11.5 oz. (328 g) w/o cable
RAP-RS2: Approx. 9.6 oz. (272 g) w/o cable


Accessories / None

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