Efficiency calibration in the lab

Detector: GEM3000 - 145 deg
Source: 210Pb
Distance: 305mm
Start time: 16:49:03 - 11.05.2021
Stop time:  09:21:13 - 12.05.2021

file name: e127b_run0025.lmd
avrg. rate: 50 Hz
dead-time:  1%

Blocking gate 2.5 us in vulom.

Threshold < 10keV

The scale serial communication is off.

Check for rate spikes