| GasAlertQuattro QT-0WHM-AY-NA 3气体监测/检测器 | 64 | ¥6450.00 | ¥6450.00 | | ¥6450.00 |  |
| FIX550-C8H10二甲苯检测仪(PID光学原理)) | 121 | ¥12100.00 | ¥12100.00 | | ¥12100.00 |  |
| accumet pH电极,组合,平整,填充,环氧体,BNC | 21 | ¥2150.00 | ¥2150.00 | | ¥2150.00 |  |
| 3M Quest EVM-7微粒和空气质量监测仪(含 CO传感器和PID(ppb)传感器) | 980 | ¥98043.00 | ¥98043.00 | | ¥98043.00 |  |