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      AlibabaTesting Instrument & EquipmentTest InstrumentsPH MetersWholesale 50 ph

      50 Ph

      (28934 products available)

      HEDAO Electrode Ph Meter Buffer Solution 50 ml/bottle Buffer Solution Calibration Liquid plastic bottle

      HEDAO Electrode Ph Meter Buffer Solution 50 ml/bottle Buffer Solution Calibration Liquid plastic bottle

      $1.14 - $1.31
      Min Order: 50 pieces
      verify13 yrsCN
      3.7
      /5
      ·
      29 reviews
      ·
      "Fast delivery"
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      High Precision PH Meters Chemistry Laboratory Equipment PH Meter Water Quality Tester Digital PH Pen

      High Precision PH Meters Chemistry Laboratory Equipment PH Meter Water Quality Tester Digital PH Pen

      $1.85 - $2.00
      Min Order: 1 piece
      verify5 yrsCN
      4.8
      /5
      ·
      120 reviews
      ·
      "Excellent service"
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      6 in 1 Wifi Water Quality Tester PH/EC/TDS/SALT/G.S/ Temp Meter Water Analyzer TUYA APP Online Remote Monitoring

      6 in 1 Wifi Water Quality Tester PH/EC/TDS/SALT/G.S/ Temp Meter Water Analyzer TUYA APP Online Remote Monitoring

      Ready to Ship
      $40.50 - $45.90
      Min Order: 1 piece
      Shipping per piece: $21.54
      9 yrsCN
      4.8
      /5
      ·
      15 reviews
      ·
      "reliable supplier"
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      Biobase Benchtop PH Meter laboratory 0.00~14.00pH high-precision laboratory ph digital meter

      Biobase Benchtop PH Meter laboratory 0.00~14.00pH high-precision laboratory ph digital meter

      $20.00 - $39.00
      Min Order: 1 unit
      verify8 yrsCN
      4.8
      /5
      ·
      18 reviews
      ·
      "Good service"
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      Digital Bluetooth ORP meter -2000mv-+2000mv Pen Type 7 IN 1 PH/ORP/EC/TDS/SALT/GS/TEMP Water Quality Testerfor Swimming Pool

      Digital Bluetooth ORP meter -2000mv-+2000mv Pen Type 7 IN 1 PH/ORP/EC/TDS/SALT/GS/TEMP Water Quality Testerfor Swimming Pool

      $19.64 - $20.43
      Min Order: 10 pieces
      verify8 yrsCN
      4.4
      /5
      ·
      94 reviews
      ·
      "fast shipping"
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      Portable Ph Meter Treatment Detector Or Water Wastewater Key Power Dimensions Temperature Origin Type

      Portable Ph Meter Treatment Detector Or Water Wastewater Key Power Dimensions Temperature Origin Type

      $15.00 - $20.00
      Min Order: 10 pieces
      verify11 yrsCN
      5.0
      /5
      ·
      5 reviews
      ·
      "prompt delivery"
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      Digital Pen Type Tester Acidity Water pH Meter Professional Water Quality Tester W/ Auto Calibration for Home School Laboratory

      Digital Pen Type Tester Acidity Water pH Meter Professional Water Quality Tester W/ Auto Calibration for Home School Laboratory

      Ready to Ship
      $1.55 - $1.85
      Min Order: 10 pieces
      Shipping per piece: $2.83
      verify5 yrsCN
      4.8
      /5
      ·
      5 reviews
      ·
      "received in time"
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      4 in 1 Soil PH Meter, Soil Tester Moisture Moisture Meter Light and PH Tester for Potted Plants Gardens

      4 in 1 Soil PH Meter, Soil Tester Moisture Moisture Meter Light and PH Tester for Potted Plants Gardens

      Ready to Ship
      $2.37 - $2.79
      Min Order: 5 pieces
      Shipping per piece: $3.20
      verify6 yrsCN
      4.6
      /5
      ·
      213 reviews
      ·
      "arrived quickly"
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      About products and suppliers

      28934 50 ph products are offered for sale by suppliers on Alibaba.com, of which ph meters accounts for 10%, 5g smartphone accounts for 1%. A wide variety of 50 ph options are available to you, such as oem, odm and obm.You can also choose from black, white and blue 50 ph,
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