Recalibration Of Dap Measuring System; Required Equipment; Recalibration Procedure - Siemens MOBILETT Plus HP Service Instructions Manual

DAP measuring system (option)

Recalibration of DAP measuring system

This chapter shows how to recalibrate the DAP measuring system by using an external
ionization chamber (dose meter).

Required equipment

•
Dose meter
•
Calibration tool for DAP measuring system

Recalibration procedure

•
System OFF.
•
Disconnect the DAP ionization chamber connector which is connected to board D70
(pos. 1 / Fig. 1).
•
Connect the DAP calibration tool between the connector and board D70.
NOTE
•
System ON.
•
Set up the MOBILETT and the dose meter as shown in Fig. 2.
NOTICE
Siemens AG
Medical Solutions
Fig. 1 Connector
It is irrelevant which connector is the input or the output of the
DAP calibration tool.
Measurement errors.
If a semiconductor detector is used, the temperature/pressure
factor of the dose meter must be considered.
Otherwise a deviation against the factory calibration may occur.
SPR8-220.061.03
Rev. 03
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09.03 CS PS 24
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MOBILETT Plus HP