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2.1. X-ray tube
*2.1.1 Anode heat capacity is greater than or equal to 780KHU
*2.1.2 Bulb focus is less than or equal to 0.6/1.0mm
2.1.3 Power is larger than 40/80KW
2.1.4 Can be displayed by the LCD reducing the size and source of light field image distance with
2.1.5 Can be photographed through a tape measure distance with bedside
2.1.6 Is more than or equal to shrink the optical rotation angle of - 45 degrees
2.1.7 Tube frame vertical movement distance is more than or equal to 180 cm
2.1.8 Tube frame motion along the longitudinal axis is greater than or equal to 340 cm distance from the human body
2.1.9 Tube frame motion along the horizontal axis is greater than or equal to 220 cm distance from the human body
2.1.10 X-ray tube along the vertical axis rotation is more than or equal to + 150 degrees / 180 degrees
2.1.11 X-ray tube sleeve can rotate along the horizontal axis is greater than or equal to - 120 degrees
2.1.12 Close table color touch screen, used for patient information and exposure conditions selection, display and modification have
2.2 High pressure generator
*2.2.1 High frequency inverter type high voltage generator frequency is greater than or equal to 100KHZ
2.2.2 High voltage generator power is larger than 65KW
2.2.3 Tube voltage adjustable range 40-150KV
2.2.4 Most short exposure time is less than or equal to 1ms
2.2.5 With automatic exposure control with AEC
2.2.6 Operation and control system of generator is completely integrated with the host, control of exposure have on the host workstation
2.3 In chest X-ray flat panel detector
2.3.1 Detector structure CSI / non crystal silicon
*2.3.2 Detector size greater than or equal to 43 x 43cm, requires non splice plate
2.3.3 Pixel size is less than or equal to 143um
2.3.4 Acquisition gray degree greater than or equal to 14bits
2.3.5 Spatial resolution of is more than or equal to 3.6lp/mm
2.3.6 Quantum trapping efficiency (DQE) is more than or equal to 60%
2.3.7Acquisition matrix is greater than or equal to 2800 X 2800
2.3.8 No extra special cooling with plate
2.4 Decubitus with wireless flat-panel detector
2.4.1 Detector structure CSI / non crystal silicon
2.4.2 Detector size greater than or equal to 35 x 43cm
2.4.3 Pixel size is less than or equal to 144um
2.4.4 Acquisition gray degree greater than or equal to 16bits
2.4.5 Spatial resolution of is more than or equal to 3.4lp/mm
2.4.6 Quantum capture efficiency (DQE) is more than or equal to 60%
2.4.7 Acquisition matrix is greater than or equal to 3000X2300
2.4.8 No extra special cooling with plate
2.4.9 Cable free wireless transmission of images collected with
2.4.10 Image preview time less than 5 seconds
2.4.11 Dual charging mode: independent charger charger and under the bed
2.4.12 Maximum load is greater than or equal to 135 kg detector
2.5 Electric shot bed
2.5.1 The height of the bed surface electric adjustment range: 51.5cm-95.5cm
2.5.2Bed longitudinal movement range: = + 48CM
2.5.3 Lateral bed moving range: = + 14cm
2.5.4 Vertical feet touch switch lifting height and bed surface of the bed body control locking and release have
2.5.5 Grid grid ratio greater than or equal to 13:1
2.5.6 Grid grid density is greater than or equal to 90lp/cm
2.5.7 Maximum bearing weight is greater than or equal to 300kg
2.5.8.X-ray tube and digital flat on the bed when projected can do automatic synchronization tracking motion with
2.6 Chest stand
2.6.1 Chest frame can be motor driven height range: 27cm-172cm.
2.6.2 Source image distance SID 100-180CM
2.6.3 Flat receiver can change in the -20 degrees /+90 degrees, and 15 degrees per stop bits have locked.
2.6.4 Grid grid ratio greater than or equal to 15:1
2.6.5 Grid grid density is greater than or equal to 80lp/cm
2.6.6 The configuration side surface of the handle and the top side of the handle with
2.6.7 X-ray tube and digital flat in the chest stand on projection can do automatic synchronization tracking motion with
2.7 System operation platform
*2.7.1 With windows based operating system, uses a menu driven and the mouse operation
2.7.2 The host machine console and the high voltage generator is highly integrated, may carry on the exposure parameter settings have directly on the host workstation
2.7.3 Can dose and screen the choice of speed with
2.7.4 The default organ selection procedures have
2.7.5 Adjust the window width window with
2.7.6 Horizontal and vertical mirror image with
2.7.7 Image rotation with
2.7.8 AP and PA positioning mark with
2.7.9.Full screen image annotation of text with
2.7.10 Image magnification with
2.7.11 Image preview function with film camera
2.7.12 Image before and after the turnover has
2.7.13 Electronic optical device with shrinkage
2.7.14 Can perform tasks parallel processing with
2.7.15 Edge enhancement with
2.7.16 Noise reduction with
2.7.17 The configuration DICOM Print and DICOM send standard interface with
2.7.18 Hard disk capacity more than 500G
2.7.19 Can store the image number more than 10000 pieces of
2.8 main parts of equipment (such as: tube, a high voltage generator for the whole equipment manufacturer) manufacturing has the original factory
2.9 The peripheral equipment
2.9.1 computer 1 sets: CPU>=i5; memory >=8G; system: 64 win7; disk >=500G; graphics >=GT650 (double VGA interface), PACS interface.
2.9.2 laser printer 1 sets have common
2.9.3 personal protective equipment 1 sets include lead vests, lead lead lead eyes, scarf, gloves, lead aprons and lead rack
2.9.4 The view pieces lamp 1 sets of light, thin.
2.10 the bidder shall provide the quality inspection department issued by the national metrology DR radiography machine inspection certificate. | 
