LUDLUM MODEL 2241-2 Technical Manual page 44

Model 2241-2
MODEL & TYPE
44-6, GM
44-9, GM
44-7, GM
133-2, GM
133-4, GM
133-6, GM
44-2, Gamma Scint.
44-10, Gamma Scint.
44-3, Low-Energy Gamma Scint.
44-21, Beta/Gamma Scint.
43-5, Alpha Scint.
Ludlum Measurements, Inc.
Technical Manual
Model 44-9 Detector Parameter Setup
FUNCTION
1
2
4
5-8
B-C
D-F
Typical Count Rate and Dead Time for LMI Detectors
COUNT RATE
20 cps/mR/hr
55 cps/mR/hr
35 cps/mR/hr
17.5 cps/mR/hr
2 cps/mR/hr
0.3 cps/mR/hr
2800 cps/mR/hr
15,000 cps/mR/hr
N/A, operated in Counts/units mode
N/A, operated in Counts/units mode
N/A, operated in Counts/units mode
Note:
The data represented in the table above is typical. Actual values
may vary among detector and instrument combinations. This
table represents some of the common detectors operated with
the Model 2241-2. Consult the LMI sales department for
information concerning detectors not listed in the table above.
*The dead time values for these scintillation detectors are due to the dead
time of the Model 2241-2 electronics.
PARAMETER
0084 s
0206
N/A
as desired
as desired
if applicable
Page 8-18
Section 8
-6
06
DEAD TIME
in µs (microseconds)
90-110 µs
80-90 µs
240-290 µs
40-55 µs
40-55 µs
40-55 µs
8-12 µs*
18-20 µs
8-12 µs*
8-12 µs*
20-28 µs
January 2016