kedida CT-6821 PH & ORP Meter Manual,OI

• 
  Kodida CT-8022 ORP meter Oxidation-reducton potential metering range: ± 1200mV

  LCD±1200mV1mV

  ¥399.0

  SE
• 
  Qiwei PH-220B Pen Acidity Meter (Backlit)

  0.01~14.00pH±0.02PH0.01PH

  ¥210.0

  SE
• 
  Kodida CT-6020A Portable pHmeter 0.00~14.00pH

  0.00~14.00pH±0.02pH0~50℃

  ¥350.0

  SE

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