China Digital ORP Meter

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  33*24mm LCD Screen IP67 TDS EC Digital ORP Meter

  function 1:Digital ph meter

  function 2:TDS meter

  function 3:EC meter

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  Pool 4 Digital LCD 265mV Redox Waterproof ORP Meter

  color:gray

  sku:TPH01401B

  size:188×35×35mm

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  2 Watts 1mV Aquarium Hydroponics Digital ORP Meter

  Display Type:Digtial

  weight:1347g

  ph range:0.00-14.00 ph

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  169E Water Quality Waterproof LCD Digital ORP Meter

  color:gray

  sku:TPH01401

  size:188×35×35mm

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  Resolution 1mV ORP Hydroponics Water Quality Meter

  color:yellow

  sku:TPH01403

  Batteries:4 x 1.5V alkaline

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  CE Waterproof LCD Resolution 1mV Digital ORP Meter

  color:gray

  sku:TPH01401

  size:188×35×35mm

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  1999mv Backlight LCD Swimming Pool Digital ORP Meter

  color:red

  With backlight:yes

  size:151*33*20mm

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