Fluke Biomedical 660-6 - Manual (Page 8)

Victoreen 660-6,660-7,660-8,500-100,6000-100
Operators Manual
1-4
Figure 1-4. CT Probe Unit Length Response
Model 660-6
(Cont’d) Intensity Limits:
Continuous Beam:
985 R/min (1% recombination loss, ion chamber)
1080 R cm/min (electronic preamp limitation)
Pulsed Beam: 1.6 mR/pulse (1% recombination loss)
Maximum Pulse Repetition Rate: 700 Hz
Ion Transit Time: 1.3 ms
Model 500-100
(with 300 Volt
Collection Potential) Leakage Current:
10 min polarization time: <10
-13 A
2 hr polarization time: <10 -14 A
Intensity Limits:
Continuous Beam: 4.86 kR/min (1% recombination loss)
Pulsed Beam: 51.5 mR/pulse (1% recombination loss)
Maximum Pulse Repetition Rate: 3.3 kHz
Ion Transit Time: 0.3 ms
Connector: BNC triaxial