Alert Analog Radiation Detector

Product Description

Alert Analog Radiation Detector

警報模擬輻射探測器

Model : M4

* Specifications

Operating range 0 to 0.5, 0 to 5, 0 to 50 mR/hr 0 to 500, 0 to 5,000,

0 to 50,000 CPM or 0 to 500 μSv/hr 0 to 50 mR/hr.

Range switch X1, X10, X100, battery check

Accuracy Typically ±15% of reading (referenced to Cs-137)

Sensor

Halogen-quenched uncompensated GM tube. Thin mica window 1.5 to 2.0 mg/ cm2 thick

Display Analog bar graph. CPM/mR/hr scale default (holds full scale in

fields as high as 100X max reading)

Energy sensitivity Alpha Beta

Down to 2.5 MeV; typical detection efficiency at 3.6 MeV >80%.

At 50 keV with 35% efficiency; at 150 keV with 75% efficiency.

Gamma & x-rays

Down to 10 keV through the window, 40 keV minimum through the sidewall. Normal background is approximately 10 to 20 CPM.

General Specifications

Audio Internally mounted beeper (can be muted for silent operation)

Output 3.5 mm headphone jack with pulse out

Power 9 V battery

Dimensions 8.25" x 2.75" x 1.875" (210 x 70 x 48 mm)