uVax3 back in acq

Subject: uVax3 back in acq
Nicola.Zaccheo@lngs.infn.it
Date: Fri Mar 10 2000 - 07:19:12 EST

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     Ciao a tutti,

    during run 19218 a (probably) electric-power glitch caused two
    problems:

    - the LeCroy HV system that lost power on some channels
      of SM5 (immediatly fixed after a power cycle of the crate number
      7 where is the CAMAC interface module);
    - a TOHM lower LAMBDA power supply on SM5 broke. This power supply
      showed -8.0 V on -12V line (with a 50mV AC component). For this reason
      we excluded uVax3 from acquisition.

    Today we replaced this power supply using a different one (we have no
    LAMBDA spares available!). After a 40 min. mini-acq we put back uVax3 in
    acquisition (starting from run 19226).

   A presto,

                                      Nicola

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