DNV VacuDAP 2002 Operation Manual Download

Page: 1 / 22

Operation Manual

Dose Area Product Measuring System

VacuDAP 2002

valid from serial number: 03 00001

valid from software version: 9.5

VacuTec Messtechnik GmbH

Tel.:

+49 - (0) 351 - 3 17 24-0

Dornblüthstraße 14

Fax:

+49 - (0) 351 - 3 10 50 85

D-01277 Dresden

Email: [email protected]

Germany

www.vacutec-gmbh.de

Summary of Contents for VacuDAP 2002

Page 1: ...ystem VacuDAP 2002 valid from serial number 03 00001 valid from software version 9 5 VacuTec Messtechnik GmbH Tel 49 0 351 3 17 24 0 Dornbl thstra e 14 Fax 49 0 351 3 10 50 85 D 01277 Dresden Email in...

Page 2: ...a parameter that comes in very useful when measuring the radiation doses patients are exposed to in a radiological examination The VacuDAP 2002 comprises a circular ionization chamber miniaturised ele...

Page 3: ...ration 8 3 Operating instructions 9 3 1 General 9 3 2 Components and measuring principle 9 3 2 1 Ionization chamber and detector electronics 9 3 2 2 Display units connections and control elements 10 3...

Page 4: ...dard limit values to IEC 55011 group 1 class A and satisfies the EMC protection requirements as specified in the law on medicinal products 1 4 Protection against electric shock At the power supply end...

Page 5: ...a cloth soaked in water with a mild washing up liquid added is possible While cleaning make sure no moisture gets into the ionization chamber The chamber must be dry before starting the system again...

Page 6: ...ent carrying capacity of 300 mA in case of a 2 channel measuring system 956 00 01 500 mA Further requirements can be found in Chapter 1 4 Protection against electric shock The supply voltage is applie...

Page 7: ...test is started If the VacuDAP 2002 measuring system was correctly installed the supply voltage can be applied After an initialisation phase the measuring system starts the POWER ON TEST see 3 3 3 TE...

Page 8: ...ated together by the manufacturer A re calibration is necessary if ionization chamber and detector electronics with different serial numbers are used together see 4 4 Checking the overall calibration...

Page 9: ...ring principle Fig 1 Components of the VacuDAP 2002 measuring system Within the ionization chamber 1 the X rays produce charge carriers which are proportional to the product of dose and X rayed ioniza...

Page 10: ...r or PC The measured values in mGy cm are displayed by a high intensity 8 digit LED display The readout resolution is 1 mGy cm The measuring system is operated by using the two keys Print and Reset on...

Page 11: ...3 3 1 Schematic diagram Figure 2 shows the program flowchart of the measuring system The various functions will be described in detail in the following sections Print Reset Reset Print Reset Print Res...

Page 12: ...amber are tested under measuring conditions A TESTACT value is determined and compared with a TESTNOM value The TESTNOM value is ascertained in the course of the factory calibration stored as a system...

Page 13: ...e is displayed on the display unit For example a zero is displayed upon the correct completion of the TEST function 0 Upon activation of the MEASURE function the system starts to measure all X rays in...

Page 14: ...ASCI characters to a PC To do this parameter PRINTER must be set accordingly see Table 4 A special interface cable is required for the purpose see 6 Accessories and options The type of data printout...

Page 15: ...ered in radiographic and fluoroscopic applications the VacuDAP 2002 measuring system allows two measuring modes to be set see Table 6 Display Measuring mode Readout during RESET function RADIOGRA Radi...

Page 16: ...rtificate TEST_VAL 2751 50 9999 TESTNOM value see calibration certificate POSITION ABOVE ABOVE UNDER Position of measuring chamber CALIB Changing calibration CF_ABOVE 1 00 0 50 1 75 Calibration factor...

Page 17: ...changed example entering a new test value TEST_VAL Parameter TEST_VAL is required to be changed when the ionization chamber of the measuring system needs to be replaced e g for repair work POSITION P...

Page 18: ...Print Print Print Print Print Print Reset Reset Reset Reset Reset Reset Reset Reset Reset Reset Reset Reset Reset Reset CF UNDER CAL OK CF ABOVE TEST VAL CHAMBER PRINTER ABOVE LOAD SAVE UNDER LOADED...

Page 19: ...down the indicated value 4 Leave the measuring system in the MEASURE mode for a rest period of at least one hour without exposing it to radiation 5 After this time read the value a second time and co...

Page 20: ...ensity p T f k see data sheet 3 Expose and process the X ray film and accurately measure the field edge lengths 2 1 l l 4 Measure the dose K in the same plane as in the previous exposure of the film a...

Page 21: ...must be repaired ZC ERROR Reset was pressed during exposure Chamber leakage current too high Repeat Reset without irradiation Repeat RESET function after drying the measuring chamber at max 50 C Meas...

Page 22: ...nter Typ DPU 414 Printer cable SEIKO 952 00 40 Standard length 2 5 m max 15 m possible Printer EPSON 950 00 03 Dot matrix printer Typ TM U210D Printer cable EPSON 952 00 44 Standard length 2 5 m max 1...

Search results

Summary of Contents for VacuDAP 2002

Reviews:

Related manuals for VacuDAP 2002

Brands by name

Popular brands

DNV VacuDAP 2002, Operation Manual

Search results

Summary of Contents for VacuDAP 2002

Reviews:

Related manuals for VacuDAP 2002

Brands by name

Popular brands