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DO850 Portable Dissolved Oxygen Meter Kit0.00 ฿
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DO8500 Portable Optical DO Meter0.00 ฿
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EC850 Portable Conductivity/TDS Meter0.00 ฿
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EC8500 Portable Conductivity/TDS/Salinity Meter Kit with Data Logger& USB Data Output0.00 ฿
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PC850 Portable pH/Conductivity Meter Kit0.00 ฿
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PH850 Portable pH Meter Kit0.00 ฿
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PH8500-WW Portable pH Meter for Wastewater Treatment, Equipped with LabSen® 333 Electrode0.00 ฿