Eberline HP-270 Energy Compensated GM “Hotdog” Probe.  The industry standard for performing gamma dose rate surveys for transportation.

• The HP-270 is an excellent general purpose GM probe with energy compensation and a beta shield, making it the choice for most health physics applications
• The HP-270’s energy compensation permits reliable exposure rate measurement from background to 100 mR/h for non dead time corrected instruments or up to 3 R/h for those equipped with dead time correction capability
• Energy Compensated for Gamma Exposure Rate Measurements
• Sliding Beta Shield for Model
• Application : Beta/Gamma exposure surveys
• Detector Type : Energy compensated GM
• Detector Range : 3 R/hr (with dead time correction)
• Energy Range : 30 keV to 6 MeV
• Operating Voltage : 900 V +/- 50V
• Dead Time : 100 uSec nominal
• Wall Material : Stainless steel
• Wall Thickness : 30 mg/cm^2 (tube only)
• Gamma Sensitivity : ~1,200 cpm/mR/h (Cs137)
• Operating Temp : -40° to +146° F (-40° to +63° C)
• Housing : ABS plastic with sliding beta shield
• Connector : BNC
• Size : 1.38″ diameter x 6″ long (3.5 x 15.2 cm)
• Weight : 5 ounces (142 g)