| | Dwyer A3015 差压开关 | 27 | ￥2770.00 | ￥2770.00 | | ￥2770.00 |  |
| | Ashcroft 30-2032-SD-15L-30# 数字卫生计 | 64 | ￥6430.00 | ￥6430.00 | | ￥6430.00 | |
| | Dwyer 2000-0AV 差压表 | 8 | ￥890.00 | ￥890.00 | | ￥890.00 | |
| | Tisch TE-6001-20，带有安全边缘的Bug屏幕 | 11 | ￥1125.00 | ￥1125.00 | | ￥1125.00 | |
| | Cole-Parmer 4522CP 三显示温度计°F用5ml瓶探头 | 5 | ￥594.00 | ￥594.00 | | ￥594.00 | |
