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Amazon Best Sellers: Best Lab pH Meters
Amazon Best Sellers Our most popular products based on sales. Updated hourly.

Best Sellers in Lab pH Meters

  1. #1
    Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy
    4.6 out of 5 stars 3,227
    $49.75 - $52.83
  2. #2
    Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester, CF, EC, PPM 500, PPM 700
    4.5 out of 5 stars 1,912
    $71.99 - $185.00
  3. #3
    PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for…
    4.0 out of 5 stars 437
    $12.99
  4. #4
    VIVOSUN PH Meter Digital PH Tester Pen for Water
    3.9 out of 5 stars 2,474
    $13.99
  5. #5
    PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack
    4.0 out of 5 stars 31
    $25.99
  6. #6
    Digital PH Meter, PH Meter 0.01 High-Precision Pocket Water Quality Tester, PH Range 0-14, Suitable for Accurate Testing…
    4.7 out of 5 stars 3,031
    $11.55 - $12.59
  7. #7
    Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household…
    4.1 out of 5 stars 2,520
    $11.99
  8. #8
    Digital PH Meter,Backlight PH Meter 0.01 High Precision Water Quality Tester, PH Range is 0-14, Suitable for Drinking…
    4.2 out of 5 stars 383
    $11.99
  9. #9
    PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range, TDS Meter for Water…
    4.1 out of 5 stars 8,578
    $12.99
  10. #10
    KWODE Digital PH Meter,Water Quality Tester Pen with 0-14 PH Measurement Range ATC 0.01 PH High Accuracy for Household…
    3.9 out of 5 stars 224
    $10.19
  11. #11
    KWODE Ph Meter, Digital PH Meter for Water 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range, Ph…
    4.0 out of 5 stars 44
    $6.69
  12. #12
    GroTheory PH Meter and TDS Meter Combo, PH Tester Digital, PPM Digital Water Tester, 0.05ph High Accuracy Pen Type pH…
    4.1 out of 5 stars 508
    $15.99
  13. #13
    Digital pH Meter with ATC pH Tester, 3 in 1 pH TDS Temp 0.01 Resolution High Accuracy Pen Type Tester, Water Tester for…
    4.7 out of 5 stars 977
    $36.99 - $61.99
  14. #14
    VIVOSUN 3-in-1 Digital pH Meter with ATC, ±0.1 pH Accuracy, 0-14.0 pH Measurement Range
    4.0 out of 5 stars 707
    $39.99 - $42.99
  15. #15
    Wiztech Digital PH Meter with ATC: 3 in 1 PH TDS Temp - High Accuracy Pocket Size Water Quality Tester for Drinking…
    3.9 out of 5 stars 628
    $37.99
  16. #16
    KETOTEK Digital PH Meter, PH Meter with ATC, Water PH Test Meter with 0.00-14.00ph Measure Range for Drinking Water…
    4.1 out of 5 stars 1,210
    $12.98 - $20.99
  17. #17
    Dr.meter PH100-V 0.01 Resolution High Accuracy Pocket Size pH Meter with ATC, 0-14pH Measurement Range
    4.1 out of 5 stars 1,686
    $31.99
  18. #18
    Hofun PH Meter & TDS Meter Combo, Upgraded Backlight PH TDS EC & Temperature 4-in-1 Water Quality Tester, High Accuracy…
    4.1 out of 5 stars 114
    $19.97
  19. #19
    Digital PH Meter, PH Meter 0.01 High Accuracy Resolution Pocket Size Water Quality Tester with ATC 0-14 pH Measurement…
    $12.99
  20. #20
    PH Meter with Automatic Calibration - 7Pros High Accuracy Pen Type Water Quality Tester with built-in ATC, 6 pH…
    4.0 out of 5 stars 703
    $16.95
  21. #21
    Tulardom Digital PH Meter, PH Meter 0.01 Resolution Pocket Size High Accuracy Water Quality Tester with ATC 0-14 PH…
    4.8 out of 5 stars 2,514
    $12.99
  22. #22
    Digital PH Meter Tester Kit, High Accuracy Pocket Size PH Meter for Water, Digital ph Test Pen with 0-14 PH Measurement…
    4.0 out of 5 stars 795
    $12.99
  23. #23
    Dr.meter Upgraded PH838 0.01 Resolution High Accuracy Backlit Two-Color LCD Display pH Meter with ATC, 0-14pH…
    4.3 out of 5 stars 704
    $35.99
  24. #24
    Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy
    4.6 out of 5 stars 1,424
    $79.75
  25. #25
    TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming…
    4.4 out of 5 stars 355
    $9.98
  26. #26
    ORAPXI Digital PH Meter with ATC: 4 in 1 PH TDS EC Temp - High Accuracy Pocket Size Water Quality Tester for Drinking…
    4.0 out of 5 stars 334
    $36.99 - $38.99
  27. #27
    PH Meter, Digital PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household…
    3.8 out of 5 stars 120
    $12.99
  28. #28
    pH Tester Digital, Portable pH Water Tester, High Accuracy pH Tester
    4.2 out of 5 stars 160
    $13.96
  29. #29
    Digital PH Meter, 0.01 High Accuracy PH Tester with 3 PH Buffer Powders
    4.0 out of 5 stars 182
    $11.99
  30. #30
    KETOTEK Water Quality Test Meter, PH Meter TDS Meter 2 in 1 Kit with 0-16.00PH and 0-9990 ppm Measure Range for…
    4.1 out of 5 stars 347
    $18.99 - $19.99
  31. #31
    PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range, TDS Meter for Water…
    4.8 out of 5 stars 1,114
    $12.99
  32. #32
    KWODE PH Meter Digital PH Tester Pen for Water/Food/Wine/Aquarium/Pool/Spa/Hydroponic, PH Water Meter Reader 0.01 High…
    3.9 out of 5 stars 83
    $11.70
  33. #33
    VIVOSUN PH Meter Soil Tester Combo, Digital PH Water Tester and 3-in-1 Plant Moisture Light PH Meter for Garden
    3.8 out of 5 stars 18
    $21.99
  34. #34
    pH Meter for Liquid Water, Membrane Solutions Digital pH Tester, High Accuracy 0.01, Temperature Sensor ATC, Electronic…
    4.0 out of 5 stars 294
    $6.99 - $17.99
  35. #35
    Bluelab METCOM Combo Meter for pH, Temperature, and Conductivity Measures, Easy Calibration
    4.3 out of 5 stars 415
    $159.93
  36. #36
    TDS & PH Meter Digital Water Tester
    4.2 out of 5 stars 690
    $15.99
  37. #37
    TDS Tester, TDS Meter Tester LCD Pen Quality with 0-9990 PPM Measurement Range Portable, for The aquaculture Industry…
    4.5 out of 5 stars 5
    $7.69
  38. #38
    Digital pH Meter, Water PH Test Meter with 0.00-14.00ph Measure Range/PH Meter with ATC,Water Quality Tester for…
    4.1 out of 5 stars 526
    $12.99
  39. #39
    Calculated Industries 7440 AccuMASTER XT Digital Moisture Meter | Handheld |Pin Type | Backlit LCD Display | Detects…
    4.5 out of 5 stars 477
    $44.95
  40. #40
    Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Kit (Blue,Upgrade LED)
    4.1 out of 5 stars 1,098
    $21.17 - $22.17
  41. #41
    Black Magic 10101-10006 pH Down, 8 fl. oz
    4.5 out of 5 stars 82
    $6.99
  42. #42
    Digital PH Meter and TDS Meter, Tvird 4 in 1 Set with TDS PH EC Temperature, 0.01 High Accuracy PH Tester,0-14 PH…
    4.0 out of 5 stars 123
    $15.99
  43. #43
    PH Meter Digital Water Tester, 0.01High Accuracy Water Quality Tester Pen with 0-14 PH Measurement Range for Drinking…
    3.8 out of 5 stars 384
    $11.99
  44. #44
    PH Meter Digital Water Quality Tester, Testing Range 0.00-14.00 Ph Great for Household Drinking, Pool and Aquarium High…
    4.4 out of 5 stars 48
    $10.98
  45. #45
    Hanna Instruments HI98103 Checker pH Tester with Ph Electrode and Batteries, 0.00 to 14.00 pH, +/-0.2 pH Accuracy, 0.1…
    4.2 out of 5 stars 407
    $31.98 - $49.39
  46. #46
    Water Quality Tester 2 in 1 Set, PH & TDS Water Tester, 0~9990 PPM, EC and Temperature Measurement; 0.01 PH High…
    4.0 out of 5 stars 615
    $14.99
  47. #47
    PH Meter, Digital Ph Meter for Hydroponics with 0-14 PH Measurement Range, 0.01 PH High Accuracy PH Reader for Water…
    4.1 out of 5 stars 344
    $11.99
  48. #48
    Allprettyall Digital PH Meter for Water PH Tester 0.01 PH High Accuracy Water PH and Temp Tester with Lock Reading…
    4.0 out of 5 stars 93
    $27.99
  49. #49
    Digital PH Meter,Backlight PH Meter 0.01 PH High Precision Water Quality Tester PH Range 0-14 Suitable for Domestic…
    3.9 out of 5 stars 114
    $10.99
  50. #50
    HM Digital PH-80 pH Meter Waterproof PH80 Tester HydroTester
    4.6 out of 5 stars 96
    $34.12