| | 型號 | WZB-175 | WZB-172 | WZB-171 | WZB-170 |  | 光源 | 850 nm LED,滿足ISO 7027標準 | 850 nm LED,滿足ISO 7027標準 | 850 nm LED,滿足ISO 7027標準 | 850 nm LED,滿足ISO 7027標準 |  | 測量范圍 | (0~20.00)NTU.( 20.0~200.0)NTU. (200~1000)NTU | (0~20.00)NTU.( 20.0~500.0)NTU. | (0~20.00)NTU.( 20.0~200.0)NTU. | (0~20.00)NTU.( 20.0~200.0)NTU. |  | 分辨率 | 0.01 NTU.0.1 NTU,1 NTU | 0.01 NTU.0.1 NTU | 0.01 NTU.0.1 NTU | 0.01 NTU.0.1 NTU |  | 示值誤差 | ±6% | ±6% | ±6% | ±8% |  | 重復性 | ±0.5% | ±0.5% | ±0.5% | ±1.0% |  | 零點漂移 | ±0.5% FS/30min | ±0.5% FS/30min | ±0.5% FS/30min | ±0.5% FS/30min |  | 示值穩定性 | ±0.5% FS/30min | ±0.5% FS/30min | ±0.5% FS/30min | ±1.0% FS/30min |  | 防護等級 | IP65 | IP65 | IP65 | IP65 |  | 尺寸( mm),重量(kg) | 220×100x80,0.8 | 220×100x80,0.8 | 220×100x80,0.8 | 220×100x80,0.8 | 
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