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General technical specifications:
- IEC 60580, IEC 60601-2-54, IEC 60601-2-43, CFR 1020.32   compliance
- Radiation quality (40 … 150 kV)
- Atmospheric pressure (80 … 106) kPa
- Temperature (+10 … +40) °C
- Air humidity (10 … 80)% rel. humidity (max. 20 g/m3)
DAP meter (VacuDAP)
General
  • A DAP meter measures the incident air kerma area product (DAP) at the position of the patient. According to specific national guidelines, the recording of the DAP value is required for comparison with diagnostic reference levels in radiology and fluoroscopy.
Configuration
  • VacuTec provides a wide range of rectangular light transparent DAP chambers suitable for most of the X-ray systems on the market. Circular DAP chambers, customized for use in different C-arm machines are also available.

    The rectangular light transparent DAP meters are slid into the accessory rails at light field collimators, whereas in C-arm machines the DAP chamber is usually installed inside the housing of the X-ray source. DAP meters can be used as stand alone systems, e.g. for the retrofitting of existing X-ray machines. The wireless configuration, using an independent battery power supply and an integrated display unit, or alternatively, a wireless data transfer to an external display unit makes installation very easy. Wired configurations are also possible.

    Most modern X-ray systems are equipped with a built in DAP-meter. In this case the measured values are directly linked to the digital X-ray image.
Calibration
  • The standard VacuDAP factory calibration is done at 70 kV with a tube filtration of 2.5 mm Al and without additional absorbers.
Combined DAP/Air Kerma Meter (VacuDAP duo)
General
  • The DAP/air kerma meter measures incident air kerma at the reference point in addition to the DAP. The recording and display of air kerma at the reference point is required for interventional and fluoroscopy procedures (IEC 60601-2-54, IEC 60601-2-43, CFR 1020.32).

    Since the air kerma is dependent on the distance from the focus, it is important to clearly define the position of the measurement chamber and the reference point. Both distances affect the measuring values and must be transferred and updated to the air kerma meter.
Configuration
  • Nearly all models of VacuDAP are available as VacuDAP duo versions. The design and mechanics are equivalent to VacuDAP. The installation options are as described for the VacuDAP systems.

    Technically the VacuDAP duo measuring chambers contain a second, invisible, central sensor with a measuring channel for the air kerma and a second channel for DAP measurement.
Calibration
  • Factory calibration of the DAP channel is done in accordance with VacuDAP. The factory calibration of the air kerma channel is done with default values for the distance of focus to chamber and the distance of focus to reference point. These default values have to be adjusted to the true values for each installation.

    The calibration should be checked after installation.
VacuDAP standard VacuDAP fluoro VacuDAP twin VacuDAP Bluetooth® VacuDAP compact
one line display two line display
(DAP/DAP rate)		 two DAP chamber system Bluetooth communication between
chamber and display		 display integrated
display provides RS232 interface to connect PC or printer interface to printer or
secondary display
complete system powered through display unit by power supply (110 ... 240) VAC *chamber power options  
display powered by power supply  
measurement of DAP, DAP rate, irradiation time
P/N 158(6) 00 15 +
P/N 943 00 01 +
P/N 943 00 40 +
P/N 950 00 57(8, 9)		 P/N 158(6) 00 15 +
P/N 943 00 04 +
P/N 943 00 40 +
P/N 950 00 57(8, 9)		 P/N 158(6) 00 15 +
P/N 943 00 02 +
P/N 943 00 40 +
P/N 950 00 57(8, 9)		 P/N 158(6) 00 14 +
P/N 943 00 06 +
chamber power options +
P/N 950 00 57(8, 9)		 P/N 158(6) 00 05 +
*chamber power options
VacuDAP - C with display VacuDAP - C VacuDAP - C rectangular
transparent		 VacuDAP - C rectangular
non transparent		 VacuDAP - C duo
with display		 VacuDAP - C duo
display provides RS232 interface to
connect PC or printer		 RS232 or RS485 interface, optional with CAN converter display provides RS232 interface to
connect PC or printer		 RS232 or RS485 interface, optional
with CAN converter
all VacuDAP-C configurations can be operated with optional Bluetooth adapter
complete system powered through
display unit by power supply
(110 ... 240) VAC		 (10 … 30) VDC complete system powered through
display unit by power supply
(110 ... 240) VAC		 (10 … 30) VDC
circular chamber diameter/active area
(in mm):
60/44, 100/72 non transparent; 90/68, 157/100 transparent		 active area (im mm):
86 x 86, 123 x 123, 147 x 147		 lenght: 290 mm circular chamber diameter/active area (in mm):
100/72 non transparent
measurement of DAP, DAP rate, irradiation time measurement of DAP, DAP rate, Dose, Dose rate, irradiation time
159 00 xx + 922 00 xx + 943 00 04 +
943 00 40 + 950 00 57(8, 9)		 159 00 xx + 922 00 xx 160 00 xx + 922 00 xx 161 00 xx + 922 00 xx + 943 00 04 +
943 00 40 + 950 00 57(8, 9)		 161 00 xx + 922 00 xx
VacuDAP duo VacuDAP Bluetooth® duo VacuDAP - OEM duo VacuDAP Bluetooth®
OEM duo
display provides RS232 interface to connect PC or printer RS485 interface, optional with
RS485/232 or CAN converter		 Bluetooth interface
complete system powered through
display unit by power supply
(110 ... 240) VAC		 *chamber power options,
display powered by power supply		 (10 … 30) VDC *chamber power options
measurement of DAP, DAP rate, Dose, Dose rate, irradiation time
P/N 458(6) 00 15 + P/N 943 00 03 +
P/N 943 00 40 + P/N 950 00 57(8, 9)		 P/N 458(6) 00 14 + *chamber power
options + P/N 943 00 07 +
P/N 943 00 40 + P/N 950 00 57(8, 9)		 P/N 458(6) 00 15 P/N 458(6) 00 14
VacuDAP - OEM VacuDAP - OEM wireless VacuDAP Bluetooth® OEM VacuDAP 2004 OEM
OEM duo
controlled by host computer
RS485 interface, optional with RS485/232 or CAN converter WiFi interface Bluetooth interface pulse interface RS422
(10 … 30) VDC *chamber power options (10 … 24) VDC
measurement of DAP, DAP rate, irradiation time measurement of DAP, DAP rate
P/N 158(6) 00 15 P/N 158(6) 00 16 P/N 158(6) 00 14 P/N 157 00 15/95 (156 00 10/95)
outer dimension [mm] active area [mm] transparent yes/no P/N
rectangular VacuDAP/
VacuDAP duo		 158 x 140 x 18 123 x 123 yes 156/456 00 15
185 x 140 x 18 123 x 123 yes 156 00 05/14/16
182 x 164 x 18 147 x 147 yes 158/458 00 15
209 x 164 x 18 147 x 147 yes 1158 00 05/14/16
rcircular chambers
VacuDAP - C		 Ø 60 Ø 44 no 159 00 xy
Ø 90 Ø 68 yes 159 00 01
Ø 100 Ø 72 no 159 00 xy
Ø 157 Ø 100 yes 159 00 13
rectangular chambers
VacuDAP - C		 100 x 105 x 18 86 x 86 yes 160 00 03
158 x 140 x 18 123 x 123 yes 160 00 16
182 x 164 x 18 147 x 147 yes 160 00 18
290 x 31 x 20 242 x 8 no 160 00 01
display units 169 x 94 x 37 943 00 xy
electronics for VacuDAP - C 80 x 50 x 17 922 00 xy
*chamber power options:
- (10 … 30 V)
- from collimator (e.g. through Converter AC/DC)

- by battery pack
- by power supply
VacuDAP VacuDAP duo
DAP Digital resolution 0.01 μGy·m2
Measuring range 0.1 ... 99 999 999 μGy·m2
DAP rate Digital resolution 0.6 μGy·m2/min
Measuring range 6 ... 2 200 000 μGy·m2/min
Dose Digital resolution* 0.003 mGy
Measuring range* (0.03 ... 99 999 999) mGy
Dose rate Digital resolution* 0.2 mGy/min
Measuring range* (2 ... 12 000) mGy/min
* Distance focus-chamber: 28 cm; Distance focus-reference point: 100 cm, minimal field width 1.4 cm