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    TONGAO TR-408H COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Tester, Imported Cold Light Source Spectrophotometric method, spec-trophotometry
    TONGAO TR-408H COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Tester, Imported Cold Light Source Spectrophotometric method, spec-trophotometry
    $4688.00
    TONGAO TR-4ZH Portable STIP-scan imported cold light source digestion Colorimetric integrated tube
    TONGAO TR-4ZH Portable STIP-scan imported cold light source digestion Colorimetric integrated tube
    $4721.00
    TONGAO TR-109H Ammonia Nitrogen Rapid Tester, Water Quality Testing, Imported Cold Light Source
    TONGAO TR-109H Ammonia Nitrogen Rapid Tester, Water Quality Testing, Imported Cold Light Source
    $816.00
    TONGAO TR-1800H Total Nitrogen Rapid Tester, Chromotropic Acid Total Nitrogen Detector, Digestion Colorimetric Integrated Tube
    TONGAO TR-1800H Total Nitrogen Rapid Tester, Chromotropic Acid Total Nitrogen Detector, Digestion Colorimetric Integrated Tube
    $2913.00
    TONGAO TR-105H Hexavalent Chromium Tester, Water Quality Detection Diphenylcarbazide Spectrophotometric method, spec-trophotometry
    TONGAO TR-105H Hexavalent Chromium Tester, Water Quality Detection Diphenylcarbazide Spectrophotometric method, spec-trophotometry
    $816.00
    TONGAO TR 6900DZ Benchtop STIP-scan Digestion Colorimetric Multi-ParaMeter Determination
    TONGAO TR 6900DZ Benchtop STIP-scan Digestion Colorimetric Multi-ParaMeter Determination
    $4882.00
    TONGAO TR 6900CNHN Benchtop STIP-scan Digestion Colorimetric Pipe
    TONGAO TR 6900CNHN Benchtop STIP-scan Digestion Colorimetric Pipe
    $4085.00
    HANNA HI97735 Total Hardness Portable PhotoMeter CAL CheckTM Function
    HANNA HI97735 Total Hardness Portable PhotoMeter CAL CheckTM Function
    $632.00
    YUE FENG SZ81111 Chlorine dioxide Analyzer 0~ 5.0mg/L High Accuracy measurement
    YUE FENG SZ81111 Chlorine dioxide Analyzer 0~ 5.0mg/L High Accuracy measurement
    $356.00
    YUE FENG SZ8112 copper Detector, copper ion Detector 0~ 2.0mg/L Measurement range
    YUE FENG SZ8112 copper Detector, copper ion Detector 0~ 2.0mg/L Measurement range
    $356.00
    YUE FENG SZ8113 Nitrite Tester, Microcomputer Touchscreen 0.001mg/L resolution
    YUE FENG SZ8113 Nitrite Tester, Microcomputer Touchscreen 0.001mg/L resolution
    $356.00
    YUE FENG SZ8115 Ammonia Nitrogen Tester, Microcomputer Touchscreen High Accuracy Water Quality Testing
    YUE FENG SZ8115 Ammonia Nitrogen Tester, Microcomputer Touchscreen High Accuracy Water Quality Testing
    $356.00
    YUE FENG SZ8116 Iron content detection instrument, iron content detection 0~ 0.8mg/L Measurement range
    YUE FENG SZ8116 Iron content detection instrument, iron content detection 0~ 0.8mg/L Measurement range
    $356.00
    YUE FENG SZ8119 Manganese Tester High Accuracy Water Quality Testing Manganese Content 0~ 0.5mg/L
    YUE FENG SZ8119 Manganese Tester High Accuracy Water Quality Testing Manganese Content 0~ 0.5mg/L
    $356.00
    YUE FENG SZ8120 Hexavalent Chromium Tester, Microcomputer Touchscreen High Accuracy Water Quality Testing
    YUE FENG SZ8120 Hexavalent Chromium Tester, Microcomputer Touchscreen High Accuracy Water Quality Testing
    $356.00
    YUE FENG SZ8121 residual chlorine Analyzer High Accuracy Water Quality Testing
    YUE FENG SZ8121 residual chlorine Analyzer High Accuracy Water Quality Testing
    $356.00
    YUE FENG SZ8122 Multi-ParaMeter Water Quality Analyzer Residual chlorine dioxide detection
    YUE FENG SZ8122 Multi-ParaMeter Water Quality Analyzer Residual chlorine dioxide detection
    $428.00
    YUE FENG SZ8123 Multi-ParaMeter Water Quality Analyzer residual chlorine dioxide total chlorine measurement
    YUE FENG SZ8123 Multi-ParaMeter Water Quality Analyzer residual chlorine dioxide total chlorine measurement
    $622.00
    YUE FENG SZ8125 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
    YUE FENG SZ8125 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
    $877.00
    YUE FENG SZ8126 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
    YUE FENG SZ8126 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
    $929.00
    YUE FENG SZ8127 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
    YUE FENG SZ8127 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
    $993.00
    YUE FENG SZ8128 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen High Accuracy Water Quality Testing
    YUE FENG SZ8128 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen High Accuracy Water Quality Testing
    $1058.00
    QIWEI YL-1Z Benchtop residual chlorine Analyzer, Microcomputer Optoelectronic Colorimetric Detection
    QIWEI YL-1Z Benchtop residual chlorine Analyzer, Microcomputer Optoelectronic Colorimetric Detection
    $240.00
    QIWEI L-613 Portable chlorine dioxide Analyzer, AC and DC dual-purpose automatic shutdown
    QIWEI L-613 Portable chlorine dioxide Analyzer, AC and DC dual-purpose automatic shutdown
    $285.00
    QIWEI YXSY-1 Portable Nitrite Tester, Optoelectronic Colorimetry Water Quality Testing
    QIWEI YXSY-1 Portable Nitrite Tester, Optoelectronic Colorimetry Water Quality Testing
    $264.00
    QIWEI YXSY-2 Benchtop Nitrite Detector, Optoelectronic Colorimetry Nitrite Detector
    QIWEI YXSY-2 Benchtop Nitrite Detector, Optoelectronic Colorimetry Nitrite Detector
    $286.00
    QIWEI BZL-1 Portable Total Phosphorus Tester, Microcomputer Optoelectronic Colorimetric Detection
    QIWEI BZL-1 Portable Total Phosphorus Tester, Microcomputer Optoelectronic Colorimetric Detection
    $262.00
    QIWEI TZL-1 Benchtop Total Phosphorus Tester, Microcomputer Optoelectronic Colorimetry Water Quality Detection
    QIWEI TZL-1 Benchtop Total Phosphorus Tester, Microcomputer Optoelectronic Colorimetry Water Quality Detection
    $285.00
    QIWEI AD-83T Benchtop Ammonia Nitrogen Detector, Microcomputer Optoelectronic Colorimetry
    QIWEI AD-83T Benchtop Ammonia Nitrogen Detector, Microcomputer Optoelectronic Colorimetry
    $262.00
    QIWEI AD-82B Portable Ammonia Nitrogen Tester, Microcomputer Optoelectronic Colorimetric Detection
    QIWEI AD-82B Portable Ammonia Nitrogen Tester, Microcomputer Optoelectronic Colorimetric Detection
    $262.00