<i>HV-Test.<br />Dark Current Table for M3R4 chambers tested at CERN</i></font>

HV-Test.
Dark Current Table for M3R4 chambers tested at CERN

<i>Limit: Dark Current (sum of 4 gaps) <=100nA at HV=2.9 kV<br />Gas mixture Ar(40)/CO2(55)/CF4(5)<br />The table presents the currents (in nA) measured in the HV line.</i>

Limit: Dark Current (sum of 4 gaps) <=100nA at HV=2.9 kV
Gas mixture Ar(40)/CO2(55)/CF4(5)
The table presents the currents (in nA) measured in the HV line.


Plot of dark currents for M3R4 chambers tested at CERN.
Chamber 2.4 kV 2.5 kV 2.6 kV 2.7 kV 2.8 kV 2.9 kV Test Date Comments
24 12 14 16 16 20 25 11-OCT-05 chamber is OK


For comments, contact: Oleg.Maev@cern.chu