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--- equipment:vacuum:gp:igc [2013/08/17 23:25] – [Power supply] mcmaster
+++ equipment:vacuum:gp:igc [2013/10/20 14:59] (current) – external edit 127.0.0.1
@@ Line 24: / Line 24: @@
 The DA-15 male-male connector between the two units is straight through.  Shields are connected on both D-sub connector sides but are not connected to any pins.
+"Degas can not be activated unless the IG pressure is below 5 x 10-5 in torr/mbar units, or 6.6 x 10-3 in pascal units."  The IG will also turn off after a few seconds if too high of pressure is detected (above 10-4 torr or maybe it as 10-5 torr).  Warning: if the collector cable is disconnected it will read something like 10-9 torr.
 ===== Power supply =====
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 {{:equipment:vacuum:gp:307:controller_back.jpg?600|}}
+===== Convectron tubes =====
+Looks like its designed for GP-275 tubes although the manual just says "Convectron" tubes.  Note that there is a module and a bare tube variant.  I believe that the module contains a bare tube except that it doesn't have the blue sheath.  More than likely you could steal one from another if need be
+Seems that Duniway Stockroom Corp. CVT-275-101 is a third party alternative.
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