Water Testing
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.
Benchtop Conductivity Meter
Benchtop Dissolved Oxygen Meter
Benchtop Multi-parameter Water Quality Meter
Benchtop PH ION Meter
Benchtop PH Meter
Benchtop PH ORP Meter
Benchtop Turbidity Meter
BOD Meter
Portable Conductivity Meter
Portable Dissolved Oxygen Meter
Portable Multiparameter Water Quality Meter
Portable PH ION Meter
Portable PH Meter
Portable PH ORP Meter
Portable Turbidity Meter
Water Activity Meter
- 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 measurement range: 0.000 μS/cm to 1000 mS/cm
- Conductivity accuracy: 0.001 μS/cm Minimum, various with range selection
- Conductivity resolution: ± 0.5 % FS
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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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- DO Concentration range: 0.00 to 99.99 ppm
- DO Concentration resolution: 0.01 ppm
- DO Concentration accuracy: ± 0.10 ppm, 0.00 - 50.00 ppm
± 0.50 ppm, 50.0 - 99.99 ppm
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- DO Concentration range: 0.00 to 99.99 mg/l
- DO Concentration resolution: 0.01 mg/l
- DO Concentration accuracy: ± 0.1 mg/l
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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: -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: 0.001, 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: Glass pH (LX2000)
Stainless temperature electrode
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- Parameter: pH/mV
- pH:
pH Range 0.00 to 14.00 pH pH Resolution 0.01 pH pH Accuracy ±0.01 pH Calibration points Up to 2 Standard recognition NIST buffers - mV:
mV Range -1800 to 1800 mV mV Resolution 1 mV mV Accuracy ±0.1%FS
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- Parameter: pH/mV
- pH:
pH Range -2.00 to 18.00 pH pH Resolution 0.01 pH pH Accuracy ±0.01 pH Calibration points Up to 3 Standard recognition NIST buffers - mV:
mV Range -1999 to 1999 mV mV Resolution 1 mV mV Accuracy ±0.1%FS
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- Parameter: pH/Temp.(mV)
- pH:
pH Range -2.00 to 18.00 pH pH Resolution 0.01 pH pH Accuracy ±0.01 pH Calibration points Up to 3 Standard recognition NIST buffers - mV:
mV Range -1999 to 1999 mV mV Resolution 1 mV mV Accuracy ±0.1%FS
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- Parameter: pH/Temp.(mV)
- pH:
pH Range -2.00 to 20.00pH pH Resolution 0.1, 0.01 pH pH Accuracy ±0.01 pH Calibration points Up to 5 Standard recognition NIST, GB, DIN buffers - mV:
mV Range -2000.0 to 2000.0 mV mV Resolution 0.1 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 Resolution 0.1, 0.01, 0.001 pH pH Accuracy ±0.002 pH Calibration points Up to 5 Standard recognition NIST, GB, DIN, USA, MERK buffers - mV:
mV Range -2000.00 to 2000.00 mV mV Resolution 0.1, 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 Resolution 0.1, 0.01, 0.001 pH pH Accuracy ±0.002 pH Calibration points Up to 6 Calibration reminder Yes Standard recognition NIST, GB, DIN, USA, MERK, JIS buffers - mV:
mV Range -2000.00 to 2000.00 mV mV Resolution 0.1, 0.01 mV mV Accuracy ±0.1 mV or ±0.03% EH ORP mode Yes ORP calibration points 1 custom point (relative mV)
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- Parameter: pH/Temp.(mV/ORP)
- pH:
pH Range -2.000 to 20.000 pH pH Resolution 0.1, 0.01, 0.001 pH pH Accuracy ±0.002 pH Calibration points Up to 6 Calibration reminder Yes Standard recognition NIST, GB, DIN buffers - mV:
mV Range -2000.00 to 2000.00 mV mV Resolution 0.1, 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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- Measuring range: 0 to 2000 NTU / 0 to 500 EBC / 0 to 9999 ASBC
- Display: 4.5 Inches TFT LCD
- Minimum resolution (NTU): 0.01, 0.1, 1, Automatic
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- Measuring range: 0 - 4000 mg / L
- Resolution: 0.1 mg / L
- Accuracy: ± 8 %
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- Measuring range: 0 - 4000 mg / L
- Resolution: 0.1 mg / L
- Accuracy: ± 8 %
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- Measuring range: 0 - 4000 mg / L
- Resolution: 0.1 mg / L
- Accuracy: ± 8 %
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- Measuring range: 0 - 4000 mg / L
- Resolution: 0.1 mg / L
- Accuracy: ± 8 %
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- Measuring range: 0 - 4000 mg / L
- Resolution: 0.1 mg / L
- Accuracy: ± 8 %
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- Measuring range: (0 - 4000) mg / L ( 0 - 40, 0 - 80, 0 - 200, 0 - 400, 0 - 800, 0 - 2000, 0 - 4000 mg / L)
- Display resolution: 0.1 mg / L < 10 mg / L, 1 mg / L ≥ 10 mg / L
- Accuracy: ≤ ± 5 %
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- Measuring range: (0 - 4000) mg / L (0 - 40, 0 - 80, 0 - 200, 0 - 400, 0 - 800, 0 - 2000, 0 - 4000 mg / L)
- Display resolution: 0.1 mg / L < 10 mg / L, 1 mg / L ≥ 10 mg / L
- Accuracy: ≤ ± 10 %
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- Measurement range: 0 - 4000 mg / L
- Sample quantity: 1 to 6
- Display: 7 Inch full color LCD touch screen
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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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- DO Concentration range: 0.00 to 20.00 mg/l
- DO Concentration resolution: 0.01 mg/l
- DO Concentration accuracy: ± 0.01 mg/l
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- DO Concentration range: 0.00 to 99.99 ppm
- DO Concentration resolution: 0.01 ppm
- DO Concentration accuracy: ± 0.10 ppm, 0.00 - 50.00 ppm
± 0.50 ppm, 50.0 - 99.99 ppm
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- DO Concentration range: 0.00 to 20.00 ppm
- DO Concentration resolution: 0.01 mg/l
- DO Concentration accuracy: ± 0.3 ppm
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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: - 2.00 to 20.00 pH
- pH resolution: 0.1, 0.01 pH
- pH accuracy: ± 0.01 pH
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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: - 2.00 to 20.00 pH
- pH Resolution: 0.1, 0.01 pH
- pH Accuracy: ± 0.01 pH
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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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