Efficiency calibration in the lab

AMPLIFIER JUMPED!

************************************
CAUTION! 
This is now GEM3000 @ 90deg distance
But still operated as Xray3 in DAQ
************************************

Detector: GEM3000 - 90 deg
Source: 241Am_hi
Distance: 167.5mm
Start time: 13:35:42 - 12.05.2021
Stop time:  14:05:08 - 12.05.2021

file name: e127b_run0030.lmd
avrg. rate: 600Hz
dead-time:  4%

Blocking gate 2.5 us in vulom.

Threshold < 10keV

The scale serial communication is off.