Beijing Hengtai Tech Co., Ltd
Beijing Hengtai Tech Co., Ltd
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Emi Rfi Shield Doors Protection Materials EMC Chamber RF Enclosure
Specification
MRI door is used for magnetic shielding of permanent magnet & superconducting nuclear magnetic resonance devices.
It can prevent external electromagnetic fields influence the normal work of MRI,
restraining the leakage of the magnetic field generated by MRI, and affecting the work of external devices.
Shielding effectiveness: 10MHz ~100MHz ≥100db Ground insulation: >3KΩ-10KΩ
| Size | Standard 1. 2* 2. 1 meter / super size 1. 4m* 2. 4m/ double size 2m* 2m |
| Material | Brass foil covered frame + copper foil + Aluminum plated 1mm coated white+ wooden frame |
| accessories | Frame+ lock+ handle |
| Attenuation | 10MHz~ 130MHz meet 110dB |
| Noise testing | 65db after closing door |
1) The most widely used electromagnetic shielding door nowadays. The access control system can be added.
2) High-performance ance Becu fingertips, long service life, easy and convenient to open and close.
3) Hinge rotation, single & double knife-edge technology, double shielding effectiveness performance
4) Two-point latching mechanism for tight, locking seat frame with roller bearings structure, running smooth and light
5) Standard door entrance size is according to the hospital cart pass
6) Non-magnetic materials
7) Door threshold direction could modify during assemble
8) Easy to repair or replace spare parts High performance with reasonable price
Usage
1) Nuclear magnetic resonance( NMR)
2) Shielding room
3) Communications room
4) Security room and labor
Packing
Pack in wooden case
D: Door direction
Offer different door opening directly to our customers.
Testing report
|
Testing Item | | | Testing Result | ||
| No Shielded Space Signal | Shield Room Signal | Shield Performance | |||
|
RF door 1 Shield Performance | | 1 | 106 | 5 | 101 |
| 2 | 106 | 6 | 100 | ||
| 3 | 106 | 5 | 101 | ||
| 4 | 106 | 5 | 101 | ||
| 5 | 106 | 4 | 102 | ||
| 6 | 106 | 5 | 101 | ||
| 7 | 106 | 4 | 102 | ||
| 8 | 106 | 4 | 102 | ||
| | 1 | 108 | 7 | 101 | |
| 2 | 108 | 6 | 102 | ||
| 3 | 108 | 7 | 101 | ||
| 4 | 108 | 6 | 102 | ||
| 5 | 108 | 6 | 102 | ||
| 6 | 108 | 6 | 102 | ||
| 7 | 108 | 6 | 102 | ||
| 8 | 108 | 5 | 103 | ||
| 42MHz | 7 | 110 | 8 | 102 | |
| 8 | 110 | 9 | 101 | ||
| 63MHz | 7 | 112 | 11 | 101 | |
| 8 | 112 | 10 | 102 | ||
| 130MHz | 7 | 115 | 14 | 101 | |
| 8 | 115 | 14 | 101 | ||
F: FAQ
Q. What is the door size?
A: We can offer customized size, and in usual 1.2m x 2.1m size is our hot-sale size
Q. What is the structure of the RF Door?
A: Brass foil-covered frame + copper foil + Aluminum plated 1mm coated white+ wooden frame
Q. What accessories can offer?
A: Frame+lock+handle