Labdex Water Testing offers a complete range of precision water quality analyzers designed to meet the demanding needs of modern laboratories. Our solutions include advanced instruments for measuring conductivity, pH, dissolved oxygen (DO), and multi‑parameter water quality analysis, ensuring accurate and reliable results. They are designed for both benchtop and portable applications.

  • Conductivity measurement range: 0 - 20.0, 200.0, 2000 μS / cm, 200.0 mS / cm
  • Conductivity accuracy: ± 1 % F.S.
  • Conductivity resolution: 0.01, 0.1, 1
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  • Conductivity measurement range: 0.000 μS/cm to 3000 mS/cm
  • Conductivity accuracy: ± 0.5 % FS
  • Conductivity resolution: 0.001 μS/cm minimum, various with range selection
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX3000)
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX3001)
    Glass conductivity (LX3002)
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX3005)
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX3010)
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  • DO range: 0.00 ~ 19.99 mg/L
  • DO resolution: 0.01 mg/L
  • DO electrode: Polarographic oxygen (LX4000)
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  • pH range: -2.00 to 20.00 pH
  • pH resolution: 0.1, 0.01 pH
  • pH accuracy: ± 0.01 pH
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  • pH range: -2.00 to 20.00 pH
  • pH resolution: 0.1, 0.01 pH
  • pH accuracy: ± 0.01 pH
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  • pH range: -2.000 to 20.000 pH
  • pH resolution: 0.1, 0.01, 0.001 pH
  • pH accuracy: ± 0.002 pH
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  • pH range: -2.000 to 20.000 pH
  • pH resolution: 0.1, 0.01, 0.001 pH
  • pH accuracy: ± 0.002 pH
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  • pH range: -2.000 to 20.000 pH
  • pH resolution: 0.1, 0.01, 0.001 pH
  • pH accuracy: ± 0.002 pH
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass pH (LX2000)
    Stainless temperature electrode
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  • Parameter: pH/mV
  • pH:
    pH Range0.00 to 14.00 pH
    pH Resolution0.01 pH
    pH Accuracy±0.01 pH
    Calibration pointsUp to 2
    Standard recognitionNIST buffers
  • mV:
    mV Range-1800 to 1800 mV
    mV Resolution1 mV
    mV Accuracy±0.1%FS
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  • Parameter: pH/mV
  • pH:
    pH Range-2.00 to 18.00 pH
    pH Resolution0.01 pH
    pH Accuracy±0.01 pH
    Calibration pointsUp to 3
    Standard recognitionNIST buffers
  • mV:
    mV Range-1999 to 1999 mV
    mV Resolution1 mV
    mV Accuracy±0.1%FS
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  • Parameter: pH/Temp.(mV)
  • pH:
    pH Range-2.00 to 18.00 pH
    pH Resolution0.01 pH
    pH Accuracy±0.01 pH
    Calibration pointsUp to 3
    Standard recognitionNIST buffers
  • mV:
    mV Range-1999 to 1999 mV
    mV Resolution1 mV
    mV Accuracy±0.1%FS
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  • Parameter: pH/Temp.(mV)
  • pH:
    pH Range-2.00 to 20.00pH
    pH Resolution0.1, 0.01 pH
    pH Accuracy±0.01 pH
    Calibration pointsUp to 5
    Standard recognitionNIST, GB, DIN buffers
  • mV:
    mV Range-2000.0 to 2000.0 mV
    mV Resolution0.1 mV
    mV Accuracy±0.3 mV or ±0.1%
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  • Parameter: pH/Temp.(mV)
  • pH:
    pH Range-2.000 to 20.000 pH
    pH Resolution0.1, 0.01, 0.001 pH
    pH Accuracy±0.002 pH
    Calibration pointsUp to 5
    Standard recognitionNIST, GB, DIN, USA, MERK buffers
  • mV:
    mV Range-2000.00 to 2000.00 mV
    mV Resolution0.1, 0.01 mV
    mV Accuracy±0.1 mV or ±0.03%
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  • Parameter: pH/Temp.(mV/ORP)
  • pH:
    pH Range-2.000 to 20.000 pH
    pH Resolution0.1, 0.01, 0.001 pH
    pH Accuracy±0.002 pH
    Calibration pointsUp to 6
    Calibration reminderYes
    Standard recognitionNIST, GB, DIN, USA, MERK, JIS buffers
  • mV:
    mV Range-2000.00 to 2000.00 mV
    mV Resolution0.1, 0.01 mV
    mV Accuracy±0.1 mV or ±0.03%
    EH ORP modeYes
    ORP calibration points1 custom point (relative mV)
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  • Parameter: pH/Temp.(mV/ORP)
  • pH:
    pH Range-2.000 to 20.000 pH
    pH Resolution0.1, 0.01, 0.001 pH
    pH Accuracy±0.002 pH
    Calibration pointsUp to 6
    Calibration reminderYes
    Standard recognitionNIST, GB, DIN buffers
  • mV:
    mV Range-2000.00 to 2000.00 mV
    mV Resolution0.1, 0.01 mV
    mV Accuracy±0.03%FS
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  • pH Measuring range: - 2.000 - 20.000 pH
  • pH Accuracy: ± 0. 002 pH
  • pH Calibration points: 1 - 5 Points (USA, NIST, DIN or custom)
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  • pH Measuring range: - 2.000 - 20.000 pH
  • pH Accuracy: ± 0. 002 pH
  • pH Calibration points: 1 - 5 Points (USA, NIST, DIN or custom)
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  • Ion Measuring range: 0.001 - 19999 ppm, mg/L, mmol/L (Depending on the range of ISE)
  • Ion Accuracy: ± 0.5% F.S (Monovalent), ± 1% F.S ( Divalent)
  • Ion Calibration points: 2 - 5 Points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mg/L, mol/L, mmol/L
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass pH (LX1000)
    Stainless temperature electrode
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass 3-in-1 pH/ATC (LX1005)
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass ORP (LX1010)
    Stainless temperature electrode
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass pH (LX1015)
    Stainless temperature electrode
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass pH (LX1000)
    Stainless temperature electrode
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  • Measuring range: 0 to 5 MCF (McFarland turbidity units)
    1 MCF = 3 x 10⁸ CFU/ml
  • Display: LCD Display
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0.00 - 50.0, 50.1 - 100 (Automatic range switchover)
  • Display: LCD Touch screen
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0.00 - 50.0, 50.1 - 200 (Automatic range switchover)
  • Display: LCD Touch screen
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0.00 - 50.0, 50.1 - 200, 200.1 - 500 (Automatic range switchover)
  • Display: LCD Touch screen
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0.00 - 50.0, 50.1 - 200, 200.1 - 1000 (Automatic range switchover)
  • Display: LCD Touch screen
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0.00 - 50.0, 50.1 - 200, 200.1 - 2000 (Automatic range switchover)
  • Display: LCD Touch screen
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0.00 - 50.0, 50.1 - 200, 200.1 - 2000, 2000.1 - 4000 (Automatic range switchover)
  • Display: LCD Touch screen
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0 - 20, 0 - 200
  • Minimum display value: 0.01
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0 - 50, 0 - 500
  • Minimum display value: 0.01
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0 - 10, 0 - 100, 0 - 500
  • Minimum display value: 0.001
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0 - 10, 0 - 100, 0 - 500, 0 - 1000
  • Minimum display value: 0.01
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0 - 10, 0 - 100, 0 - 500, 0 - 1000
  • Minimum display value: 0.001
  • Repeatability: ≤ 0.5 %
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  • Measuring range (NTU): 0 - 10, 0 - 100
  • Minimum display value: 0.001
  • Repeatability: ≤ 0.5 %
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX8000)
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX8001)
    Glass conductivity (LX8002)
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX8005)
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  • Conductivity range: 0 ~ 19.99 µS/cm
    20 µS/cm ~ 199.9 µS/cm
    200 µS/cm ~ 1999 µS/cm
    2 mS/cm ~ 19.99 mS/cm
    20 mS/cm ~ 199.9 mS/cm
  • Conductivity accuracy: 1 % FS
  • Conductivity electrode: Glass conductivity (LX8010)
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  • DO range: 0 ~ 19.99 mg/L
  • DO resolution: 0.01 mg/L
  • DO electrode: Polarographic oxygen (LX4000)
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  • pH range: -2.000 - 20.000 pH
  • pH resolution: 0.001, 0.01, 0.1 pH (Selectable)
  • pH accuracy: ± 0.002 pH
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  • pH range: -2.000 - 20.000 pH
  • pH resolution: 0.001, 0.01, 0.1 pH (Selectable)
  • pH accuracy: ± 0.002 pH
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  • pH range: -2.000 - 20.000 pH
  • pH resolution: 0.001, 0.01, 0.1 pH (Selectable)
  • pH accuracy: ± 0.002 pH
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  • pH range: -2.000 - 20.000 pH
  • pH resolution: 0.001, 0.01, 0.1 pH (Selectable)
  • pH accuracy: ± 0.002 pH
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  • Conductivity range: 0.01 - 20.00, 200.0, 2000 μS /cm, 20.00, 200.0 mS /cm
  • Conductivity resolution: 0001, 0.01, 0.1, 1
  • Conductivity accuracy: ± 0.5 % F.S.
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Plastic 3-in-1 pH (LX7000)
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Plastic pH (LX1000)
    Stainless temperature electrode
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Plastic 3-in-1 pH/ATC (LX6005)
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Plastic ORP (LX6010)
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass pH (LX1015)
    Stainless temperature electrode
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  • pH range: 0 ~ 14 pH
  • pH resolution: 0.01 pH
  • Electrode: Glass pH (LX1020)
    Stainless temperature electrode
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  • Measuring range: 0 to 5 MCF (McFarland turbidity units)
    1 MCF = 3 x 10⁸ CFU/ml
  • Display: LCD Display
  • Repeatability: ≤ 0.5 %
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  • Measuring range: 0.5 - 500 NTU (Segmented)
  • Repeatability: ≤ ± 5 %
  • Display: 4.3 Inch color LCD screen
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  • Measuring range (NTU): 0 to 100, 100 to 1000
  • Minimum readout value (NTU): 0.01, 0.1
  • Display: LCD Display
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  • Measuring range (NTU): 0.00 - 20.0
  • Minimum reading: 0.001
  • Display: LCD
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  • Measuring range (NTU): 0.00 - 20.0, 20.01 - 50
  • Minimum reading: 0.001
  • Display: LCD
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  • Measuring range (NTU): 0.00 - 20.0, 20.01 - 100
  • Minimum reading: 0.001
  • Display: LCD
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  • Measuring range (NTU): 0.00 - 20.0, 20.01 - 100
  • Minimum reading: 0.001
  • Display: LCD
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  • Measuring range (NTU): 0.00 - 20.0, 20.01 - 200, 200.1 - 500
  • Minimum reading: 0.001
  • Display: LCD
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  • Measuring range (NTU): 0.00 - 20.0, 20.01 - 200, 200.1 - 1000
  • Minimum reading: 0.001
  • Display: LCD
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  • Measuring range (NTU): 0.00 - 20.0, 20.01 - 200, 200.1 - 2000
  • Minimum reading: 0.001
  • Display: LCD
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  • Measurement range: 0 - 1100 NTU, 0 - 275 EBC, 0 - 9999 ASBC
  • Accuracy: ± 2 % (0 - 500 NTU), ± 3 % (501 - 1100 NTU)
  • Resolution: 0 - 99 NTU: 0.01, 100 - 999 NTU: 0.1, 1000 - 1100 NTU: 1
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  • Range: 0 - 1.0 aw
  • Resolution: 0.01 aw
  • Accuracy: ± 0.03 aw
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