ام آر آی پرمننت 0.4 تسلا XGY

Technical Specifications  of XGY 0.4 Tesla ( OPER - 0.4T ) System

Magnet

Type: Permanent magnet, eddy current free, open C type & self-temperature control Field strength: 0.4T±3% Field homogeneity: <±2ppm(FWHH)/20cm DSV <2ppm(VRMS)/40cm DSV Active shim: <±1ppm(FWHH)/20cm spherical surface DSV <±2ppm(VRMS)/40cm spherical surface DSV Vertical gap distance: 40cm

Gradient system

Amplifier: Field strength: single axis 18mT/m, effective 30.6mT/m Slew rate: single axis 55mT/m/ms, effective 93.5mT/m/ms Linearity: 40cm*40cm*38cm ellipsoid<5%

RF transmitting  & receiving  system

Type of transmitter & receiver: Digital Frequency range: DC-22MHZ Maximum receiver bandwidth: 1.25MHZ Pre-amplifier: gain 30dB Noise figure: 0.3dB RF amplifier:  ≥6kw RF transmitting coil: panel transmitting coil RF receiving coil: quadrature coil

Auto pre-scan function

Auto RF correction, auto frequency lock, auto gain, auto coil identification, auto coil tuning, active shim

Image specifications

Image types: T1 weighted image, T2 weighted image, T2* weighted image, PD weighted image, diffusion weighted image, fat suppressed image, water suppressed image, Magnetic resonance hygrograph (MRCP MRM MRU), MRA Field of view: 40mm-400mm