Thin-End Window GM Probe

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

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