KermaX-plus
®
Chamber | Measurement | 29
5. Measurement
1. Before starting a measurement, check the System stability and Error State to be ready for
measurement. (see also section 6.1)
2. Depend from the counter interface; reset the last measurement values for new a session resp. study.
3. Make an exposure and read out the accumulated dose area product from counter interface / display.
CAUTION
DO NOT EXCEED THE ACTIVE AREA OF THE CHAMBER!
The size of the radiation field at the surface of the centered chamber may not
exceed active area of the chamber (see Chap. 9,Technical Specifications).
CAUTION
MAXIMUM AIR KERMA RATE / DAP RATE
The maximum Air Kerma rate at the chamber position and DAP rate must not be
exceeded. (see Chap. 9.1 Specifications)
CAUTION
RECALIBRATION / VERIFICATION
If a compensating filter is used behind the measuring chamber and before the
patient the indicated level must be adjusted accordingly. The absorption of the
table top when available should be compensated if the chamber is installed below
the examination table.
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