| 技术参数 |
| 场强测量探头： 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 机器人： 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 体模： 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 待测设备位置控制器： 移动电话夹具々能够按要求将移动电话进行定位，倾斜角度的误差容限为±1°。移动电话夹具由低损耗、 低介电常数的材料制︼成， 即： tan(δ)≤0.05,ε≤5。 |
| 主要特点 |
| 满足最新标准：IEEE P1528/D1.2要求 维护费∮用低 |
| 仪器介绍 |
| 1978年，世界上第一台SAR测量◢仪器诞生于Motorola公司 90年代╳开始出现商用SAR测量仪 2003年3月21日IEEE 对SAR测量方法做了新规定（IEEE P1528/D1.2） 。同年，EMF Safety公司根据此标准由汉城♂大学Gimm教授同Motorola当年设计第一台SAR测量仪器的工程师主持，改进推↘出了ESSAY－3型SAR测量系统。 |
