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Message ID: 1942     Entry time: Thursday, June 13, 2019, 10:55
Author: David Wang 
Category: Conditioning Station 
Type: Repair 
Module: TM4 
Target/Number:  
Subject: TM4 HV test at TCS without source tray. 

I brought up TCS bias to 57.5 KV on TM4 without source tray at TCS. It was kept at this level about 1.0 hours. Some intermediate sparks. No spark trip on devices. 57.5KV is very close to the HV up limit of this module.

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