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HP-290能量补偿型探头 βγ 探头
The HP-290 is a higher range GM probe with energy compensation, providing reliable exposure rate measurement. 
 The HP-290 is a higher range GM probe with energy compensation, providing reliable exposure rate measurement from 0.1 mR/h to 10 R/h for non dead time corrected instruments or up to 80 R/h for those equipped with dead time correction capability.

Features• Energy Compensated for Gamma Exposure Rate Measurements

Application : Beta/Gamma exposure surveys
Detector Type : Energy compensated GM
Detector Range : 60 R/hr (with dead time correction)
Energy Range : 30 keV to 1.3 MeV
Operating Voltage : 550 V +/- 50V
Dead Time : 100 uSec nominal
Wall Material : Stainless steel
Wall Thickness : 90 mg/cm^2 (tube only)
Gamma Sensitivity : ~80 cpm/mR/h (Cs137)
Operating Temp : -40° to +146°F (-40° to +63° C)
Housing : ABS plastic
Connector : BNC
Size : 1.13" diameter x 3.5" long (2.9 x 8.9 cm)
Weight : 2 ounces (57 g)