Efficiency calibration in the lab

Detector: GLP2000 - 35 deg
Source: 241Am_hi
Distance: 334mm
Start time: 14:45:51 - 04.05.2021
Stop time:  15:47:48 - 04.05.2021

file name: e127b_run0013.lmd
avrg. rate: 25 Hz
dead-time:  0%

Blocking gate 2.5 us in vulom.

Threshold < 10keV

The scale serial communication is off.