Checking The Luminance - Siemens MOBILETT Plus Maintenance Instructions Manual

Inspection and maintenance
2.13

Checking the luminance

Fig. 32:
Required measurement devices: lux meter
NOTE
PMF Luminance
If the collimator lamp is switched on for the purpose of illuminating the radiation field, the
average luminance must be 180 lux at a distance of 100 cm. The average luminance is
determined by taking measurements in the approximate center of each of the four quad-
rants of the light field,
Siemens AG
Medical Solutions
If the MOBILETT is equipped with a DAP measuring system, re-
move the DAP ionization chamber first.
(Fig. 32 / p.
SPR8-215.831.04.03.02
07.05
53).
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CS PS 24
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MOBILETT Plus/ -E/ -M