Model 2929 Scaler Technical Manual Section 6
Ludlum Measurements, Inc. Page 6-4 January 2016
c. Alpha crosstalk in beta channel less than or equal to 10%
d. Beta crosstalk in alpha channel is less than or equal to 1%
e. Beta background is less than or equal to 80 cpm
f. Alpha background is less than or equal to 3 cpm.