Features
Utility 1 R GM Probe for gamma above 12 keV and beta above 200 keV
Specifications
Type:
Beta, gamma, and x-ray with sliding 360° metal shield for Beta discrimination
Radiation detected:
Gamma above 12 keV and beta above 200 keV
Applications:
- Rugged probe with beta discrimination
- Scrap metal yards
- Rugged to drop down wells
- Nuclear medicine
Typical background (shielded):
15 CPM
Maximum exposure rate:
1 R/h (10 mSv/hr)
Nominal sensitivity to 1 mR/hr of 60Co:
720 CPM
Wall material:
Stainless steel
Wall thickness:
40 to 60 mg/cm2
Active length:
0.75 in (19.1 mm)
Quenching gas:
Neon & halogen
Diameter of probe:
1.1875 in (30 mm)
Length of probe:
5.375 in(136 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 15 psig
Product Number: 491-40
Parts
35-166 Replacement GM tube
Image Gallery
Click on a thumbnail below to view full size.