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供应QC-3大气采样器0.2~3.0L/min 负载能力:2.0L/min(4000Pa) 流量范围:0.2~3.0L/min 流量误差:≤±5% 定时范围:1~99min
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QC-2B大气采样器误差±5(现货包邮) 流量范围:0.1~1.2L/min 流量误差:±5% 定时范围:1~99min 定时误差:±0.1%
QC-2A大气采样器0.1-1.2L/min(包邮) 流量范围:0.1~1.2L/min 流量误差:≤±5% 定时范围:1~99min 定时误差:≤±0.1%