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Message ID: 2101     Entry time: Thursday, June 11, 2020, 12:36
Author: David Wang 
Category: Safe Module Parking 
Type: Repair 
Module: TM3 
Target/Number:  
Subject: TM3 containment box and service tray field measurement.  
At 15cm distance: Containment box window 21msv maximum. Service tray 8.0msv maximum.
At 0.5 meter distance 360degree rotation: containment box high 10msv, low 4.3msv.
Maximum 170 to 180 counts(44-2) on swipes taking from service cap inside.
0 to 20 counts(44-2) on air sample at 0.5 meter to containment box window panel.
80 counts(44-2) on air sample taking from service cap inside.  The contamination level in service cap is low.

 

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