Features
Thin-End Window GM Probe for alpha above 4 MeV, beta above 70 keV, and gamma and x-ray above 6 keV
Specifications
Type:
Alpha, beta, gamma, and x-ray with 0.875 inch thin end window
Radiation detected
Alpha above 4 MeV, beta above 70 keV, and gamma and x-ray above 6 keV
Applications:
- Ultra sensitive alpha, beta, gamma probe with directional focus
- Nuclear medicine
- Emergency response
Typical background (shielded):
50 CPM
Maximum exposure rate:
80 mR/h (800 µSv/hr)
Nominal sensitivity to 1 mR/hr of 60Co
3900 CPM
Wall material:
Stainless steel with mica window
Wall thickness:
1.4 to 2.0 mg/cm2
Active length:
4 in (102 mm)
Quenching gas:
Neon & halogen
Diameter of probe:
1.3125 in (33.4 mm)
Length of probe:
7.5 in (191 mm)
Cable length:
48 in (122 cm)
Weight:
Approx. 1.0 lb (0.45 kg)
Operating voltage:
900 V
Humidity range:
0 to 95%
Operating temperature range:
- 65° to + 185°F; (- 56° to + 85°C)
Pressure range:
To 5 psig
Product Number: 489-35
Parts
489-76 Replacement GM tube
Image Gallery
Click on a thumbnail below to view full size.