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• 
  Water Quality Analyzer

  Handheld Water Analyzer Instrument

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• 
  Water Quality Analyzer

  Handheld Water Quality Analyzer

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• 
  Water Quality Analyzer

  Handheld PH Analyzer

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• 
  Water Quality Analyzer

  Handheld Multi-parameter Analyzer

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• 
  Agricultural Instrument

  Portable Pesticide Residue Detector in Food

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• 
  Agricultural Instrument

  Portable Pesticide Residue Detector in Fruits

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• 
  Portable Gas Detector

  OC-905 Environmental Monitoring Process Detector

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• 
  Portable Gas Detector

  Explosion‑proof OC‑901 CO2 NO2 Gas Monitor Pump‑suction with Voice Alarm

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• 
  Carbon Monoxide CO gas detector

  OC-850 Portable CO NO₂ O₃ CO₂ 4-in-1 Gas Detector

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• 
  Portable Gas Detector

  OC-850 Handheld Gas Analyzer CO2 & TVOC Detector Industrial Multi Gas Monitor

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• 
  Portable Gas Detector

  OC-903 Portable O2 CO2 Gas Analyzer for Industrial Safety

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• 
  Portable Gas Detector

  OC-905 Handheld Battery Helium Detection

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• 
  Hydrogen Sulfide H2S gas detector

  OC-901 Portable H2S HCN Ex Gas Detector with Pump Type

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• 
  Portable Gas Detector

  OC-903 Portable CO2 NO2 Gas Detector

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• 
  Portable Gas Detector

  OC-905 Handheld Hydrogen Concentration Detector

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• 
  Portable Gas Detector

  OC-901 Portable pump-suction SF6 gas detector For High‑voltage Substation

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