Fluke Biomedical 940-513 - Manual (Page 8)

Model 940-513
Operators Manual
1-4
1.3 Features and Benefits
The Model 940-513 Series Sampler, provides the following features:
• Measurement of accident range noble gasses
• Integral Sr-90 Check Source
• Quad-lobed O-ring sealed detector
• O-ring sealed sample chamber
The design of the Model 1060AM-NM3-XX Controller provides the following User benefits:
• 4 pi shielded sample volume
• 3 inches of lead shielding
• Removable end caps for cleaning
• Rotary Check Source mechanism to minimize background contribution
1.4 Safety Precautions and Terms
The Model 940-513 sampler includes a rotary solenoid inside of the Gas Chamber cap, and voltages up
to 125 VDC may be present when the solenoid is actuated. Turn OFF the AC power on the associated
Local Control unit prior to removing the Gas Chamber Cap.
CAUTION
Model 940-513 sampler also includes a 100 microCurie Sr-90 radioactive source located within the Gas
Chamber Cap. The local plant Health Physist should be consulted prior to removing the Gas Chamber
cap.
CAUTION
The Model 940-513 is an accident noble gas monitor, and radioactive gasses may be present within the
sample volume. The local plant Health Physist should be consulted prior to removing the Gas Chamber
cap or Detector End cap to access the sample volume.