PTW DIADOS E - Page 40

DIADOS E
T11035
Technical Manual – Technical Specifications
40
D616.131.00/10 en
Device designation
PTW-DIADOS E, type 11035
Measuring quantities and units
air kerma in [Gy], air kerma rate in [Gy/s],
exposure in [R], exposure rate in [R/s],
irradiation time in [s],
current in [A], charge in [C]
dose per pulse in [Gy/pulse] or [R/pulse]
number of pulses
with optional CT adapter: air kerma length product in [Gy*cm] or
[R*cm], air kerma length product rate in [Gy*cm/s] or [R*cm/s]
Display range for irradiation
time
(0.001 ... 9999) s in the ranges Medium and High
(0.01 ... 9999) s in the range Low
Digital resolution
DIADOS E electrometer: 30 fA or 30 fC
DIADOS Diagnostic Detector T60004: 1 nGy/s or 1 nGy
DIADOS MAM Detector T60005: 2 nGy/s or 2 nGy
Leakage current (zero drift)
 30 fA
Settling time
1 s in the ranges Medium and High
3 s in the range Low
Reproducibility
(standard deviation)
 0.5 %
Energy dependence in each
nominal useful range
 5 %
Linearity
 2 %
Dose rate dependence
 2 %
Effect of radiation incidence
( 5)
 3 %
Power supply
 4 rechargeable NiMH batteries, size AA (L389028)
operating time with one set of batteries (2600 mAh):
approx. 30 hours
charging time: 23 hours
or
 multi-range power supply (L991047)
(115 … 230) V ± 15 %; (50 … 60) Hz, 9 VDC 10 W,
external via jack plug, 9 VDC ± 10 %, max. 500 mA
Stabilization time
30 s