粉體行業在線展覽
面議
461
儀器簡介:
1978年,世界上**臺SAR測量儀器誕生于Motorola公司
90年代開始出現商用SAR測量儀
2003年3月21日IEEE 對SAR測量方法做了新規定(IEEE P1528/D1.2) 。同年,EMF Safety公司根據此標準由漢城大學Gimm教授同Motorola當年設計**臺SAR測量儀器的工程師主持,改進推出了ESSAY-3型SAR測量系統。
技術參數:
場強測量探頭:
Body Materials Dielectric constant 2.5 measured at 10 GHz, loss tangent 0.0004 measured at 10 GHz
Dimensions 30.0 cm length, body diameter 9.5 mm
Sensors Gold plated Schottky diode
Connector Miniature 7 pins
Dipole length 2.0 mm
O.D. tip 4.0 mm
Offset 2.0 mm typical
Frequency band 10 MHz to 10 GHz
Spatial resolution ≤ 25 mm3
Impedance ≈2 ㏁
Angular response ±0.2 dB (isotropy)
Dynamic range 2 mW/kg ~ 100 W/kg
機器人:
Robot type Vertically articulated robot
Degree of freedom 6 axes
Test Payload 6 kgf (Weight of amplifier housing and robot arm in ESSAY 3 is less than 1 kg.)
Position repeatability < 0.01 mm with full payload
Motor type DC servo motor
Body weight 58 kg
體模:
SAM Phantom (separated left and right)
Material Relative permittivity less than 5 and loss tangent less than 0.05
Phantom shell 2 mm thickness with tolerance of less than ±0.2 mm with respect to the SAM CAD file
Flat Phantom
Material Relative permitivity less than 5 and loss tangent less than 0.05
Thickness of bottom 2 mm
Size 42 cm(W) X 36 cm(D) X 19 cm(H) following IEEE std 1528- 200X & IEC 106/24/CD
待測設備位置控制器:
移動電話夾具能夠按要求將移動電話進行定位,傾斜角度的誤差容限為±1°。移動電話夾具由低損耗、 低介電常數的材料制成, 即: tan(δ)≤0.05,ε≤5。
主要特點:
滿足**標準:IEEE P1528/D1.2要求
維護費用低