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    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
    HANNA HI98130 acidity Meter high range pH-EC-TDS- ℃ water quality analysis instrument
    HANNA HI98130 acidity Meter high range pH-EC-TDS- ℃ water quality analysis instrument
    $409.00
    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 ZYL Portable residual chlorine Detector 0~ 5mg/L Measurement range
    QIWEI ZYL Portable residual chlorine Detector 0~ 5mg/L Measurement range
    $211.00
    QIWEI L-612 Portable Chlorine Dioxide Tester, Water Quality Testing 0~ 5mg/L
    QIWEI L-612 Portable Chlorine Dioxide Tester, Water Quality Testing 0~ 5mg/L
    $262.00
    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 Y-615 Portable ozone Analyzer 0~ 2.5mg/L Measurement range
    QIWEI Y-615 Portable ozone Analyzer 0~ 2.5mg/L Measurement range
    $264.00
    QIWEI Y-616 Benchtop ozone Detector, water quality detection 0~ 2.5mg/L Measurement range
    QIWEI Y-616 Benchtop ozone Detector, water quality detection 0~ 2.5mg/L Measurement range
    $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
    TONGAO TR-401ZH Portable STIP-scan heavy metals Detector, imported cold light source Spectrophotometric method, spec-trophotometry
    TONGAO TR-401ZH Portable STIP-scan heavy metals Detector, imported cold light source Spectrophotometric method, spec-trophotometry
    $1574.00
    TONGAO TR-107H phosphoric acid Analyzer STIP-scan 0.02mg/L detection limit
    TONGAO TR-107H phosphoric acid Analyzer STIP-scan 0.02mg/L detection limit
    $816.00
    TONGAO TR-140H sulfide Tester, water quality sulfide detection, imported cold light source
    TONGAO TR-140H sulfide Tester, water quality sulfide detection, imported cold light source
    $816.00
    TONGAO TR-205H Total Chromium Tester, Chromium Ion Tester, Digestion Colorimetric Tube
    TONGAO TR-205H Total Chromium Tester, Chromium Ion Tester, Digestion Colorimetric Tube
    $816.00
    TONGAO TR-710H Portable STIP-scan Water Quality Iron Meter, o-phenanthroline Spectrophotometric method, spec-trophotometry
    TONGAO TR-710H Portable STIP-scan Water Quality Iron Meter, o-phenanthroline Spectrophotometric method, spec-trophotometry
    $816.00
    TONGAO TR 6900B Benchtop STIP-scan COD Rapid Determination of Ammonia Nitrogen
    TONGAO TR 6900B Benchtop STIP-scan COD Rapid Determination of Ammonia Nitrogen
    $2752.00
    TONGAO TR 6900C Benchtop STIP-scan COD Determination of Ammonia Nitrogen Total Phosphorus Turbidity Suspension
    TONGAO TR 6900C Benchtop STIP-scan COD Determination of Ammonia Nitrogen Total Phosphorus Turbidity Suspension
    $3075.00
    TONGAO TR 6900D Benchtop STIP-scan COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Suspension Determination
    TONGAO TR 6900D Benchtop STIP-scan COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Suspension Determination
    $4688.00
    TONGAO TR 6900Z Desktop STIP-scan heavy metals measuring instrument
    TONGAO TR 6900Z Desktop STIP-scan heavy metals measuring instrument
    $3268.00
    TONGAO TR 6900NH Desktop STIP-scan Ammonia Nitrogen Rapid Tester
    TONGAO TR 6900NH Desktop STIP-scan Ammonia Nitrogen Rapid Tester
    $1493.00
    TONGAO TR 6900P Desktop STIP-scan Total Phosphorus Analyzer Digestion Colorimetric Integrated Tube
    TONGAO TR 6900P Desktop STIP-scan Total Phosphorus Analyzer Digestion Colorimetric Integrated Tube
    $2203.00
    TONGAO TR 6900Cr Benchtop STIP-scan Total Chromium Tester 0.01mg/L Lower Detection Limit
    TONGAO TR 6900Cr Benchtop STIP-scan Total Chromium Tester 0.01mg/L Lower Detection Limit
    $1622.00
    TONGAO TR 6900NHP Benchtop STIP-scan Determination of Ammonia Nitrogen Total Phosphorus Turbidity Suspension
    TONGAO TR 6900NHP Benchtop STIP-scan Determination of Ammonia Nitrogen Total Phosphorus Turbidity Suspension
    $2752.00
    TONGAO TR 6900NHN Desktop STIP-scan Ammonia Nitrogen Total Nitrogen Tester
    TONGAO TR 6900NHN Desktop STIP-scan Ammonia Nitrogen Total Nitrogen Tester
    $3075.00
    TONGAO TR 6900NHPN Benchtop STIP-scan Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Suspension Tester
    TONGAO TR 6900NHPN Benchtop STIP-scan Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Suspension Tester
    $3430.00
    TONGAO TR 6900PN Benchtop STIP-scan total phosphorus and total nitrogen turbidity suspended solids Tester
    TONGAO TR 6900PN Benchtop STIP-scan total phosphorus and total nitrogen turbidity suspended solids Tester
    $3268.00
    JINGQI WD9102 Total Phosphorus Tester Sealing High Temperature Digestion Colorimetry
    JINGQI WD9102 Total Phosphorus Tester Sealing High Temperature Digestion Colorimetry
    $1274.00