| | Extech SD750三通道压力数据记录仪 | 43 | ￥4399.00 | ￥4399.00 | | ￥4399.00 |  |
| | AEMC L264 简单的记录器II 4通道型号，真有效值，600VAC/DC | 79 | ￥7950.00 | ￥7950.00 | | ￥7950.00 | |
| | AEMC L564简单的记录器II 4通道型号，真有效值电压和电流 | 83 | ￥8350.00 | ￥8350.00 | | ￥8350.00 | |
| | Thermo Scientific HYPERSIL 31805-254030 CPS-2（氰基）柱 - 长度250mm，4.0mm的ID，5μm的颗粒大小 | 48 | ￥4805.00 | ￥4805.00 | | ￥4805.00 | |
