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 | Extech 電導率，TDS，鹽度測試儀套件Extech Conductivity, TDS, Salinity Tester kit |
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 | Extech DO600溶解氧掌上測試儀Extech DO600 Dissolved Oxygen Pocket Tester |
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 | Extech 防水CL200袖珍余氯測試儀Extech Waterproof CL200 Pocket Chlorine Tester |
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 | Extech 防水FL700掌上氟化物測試儀Extech Waterproof FL700 Pocket Fluoride Tester |
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 | Extech inspectorpro 8合1組合探針/無針式濕度計 水修復套裝Extech InspectorPro 8-in-1 Combination Pin and Pinless Moisture Meter Water Restoration Kit |
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 | Extech CO250 便攜式室內空氣質量CO2儀表Extech Portable Indoor Air Quality CO2 Meter |
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 | Extech 防水EX800掌上水質檢測儀Extech Waterproof EX800 Pocket Water Quality Tester |
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 | Extech 更換pH電極Replacement pH electrode |
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 | Extech 更換電導電極Replacement conductivity electrode |
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 | Extech 更換膜帽，3/PKReplacement Membrane Caps, 3/PK |
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 | Extech 更換DO電極Replacement DO electrode |
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| | Extech EA80 室內空氣質量監測儀Extech Indoor Air Quality Meter |
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| | Extech 220伏交流電適配器220 VAC adapter |
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