Next: 5.5.1.10 Responsible Personnel
Previous: 5.5.1.6 Handling Considerations
The following potential hazards have been clearly identified.
- The High Voltage System
The Bertan 377N HV low current power supply provides a nominal
-4.00 kV. Red HV RG-59/U cable good to 5 kV with standard SHV
connectors is used to connect the power supply to a Hammond splitter
box, and then to connect the splitter box to each of the three high
voltage planes in a given VDC. A given chamber draws a current
from 50-100 nA.
- The Low Voltage System
Kepco LV power supplies are used for the the LeCroy 2735DC
pre-amp/discriminator cards. Each card (23 per chamber) requires
+5.0 V (46 cards draw 22 A), -5.2 V (46 cards draw 58 A) and +2.5 V
(46 cards draw 2 A).
- Explosive Gas The Ar C2H6 chamber gas is explosive
and must be handled accordingly. Further, gas flow should be maintained
for at least 24 hours prior to the enabling of HV.
- High Pressure Gas Bottles The gas used in the chambers
is supplied in high pressure ( 2000 psi) gas bottles. This
confined high pressure gas represents a tremendous (potentially lethal)
amount of stored energy.
Next: 5.5.1.10 Responsible Personnel
Previous: 5.5.1.6 Handling Considerations
10/13/1997