Multi parameter water quality analyzer LMWA-A11

Multi parameter water quality analyzer LMWA-A11 is a high quality analyzer with benchtop design, simultaneously measures turbidity, chemical oxygen demand, ammonia and total phosphorous content of water sample. The aviation insulation protective layer present above digestion hole, effectively prevents scalds. The imported heat resistant protective cover ensures the safety and reliability of the experiment.

COD
  • COD determination range: 5 to 5000 mg/ L
  • COD measurement accuracy: COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %
  • COD minimum detection limit: 0.1 mg/ L
  • COD measurement time: 20 minutes
  • COD repeatability: ≤ ± 5 %
  • Processing sample number per batch: 12 pcs
  • Consumables for colorimetric COD measurement: Colorimetric tubes and Cuvette
  • COD reactor digestion temperature: 165 ± 0.5°C
  • COD reactor digestion time: 10 min
  • COD reactor time setting switches: 3 pcs
  • Anti-chlorine interference: (Cl) < 1000 mg/ L No effect
Ammonia nitrogen
  • Ammonia nitrogen determination range: 0.02 to 30 mg/ L
  • Ammonia nitrogen measurement accuracy: ≤ ± 10 %
  • Ammonia nitrogen minimum detection limit: 0.01 mg/ L
  • Ammonia nitrogen measurement time: 10 to 15 minutes
  • Ammonia nitrogen repeatability: ≤ ± 5 %
  • Processing sample number per batch: 20 pcs
  • Consumables for colorimetric ammonia nitrogen measurement: Colorimetric tubes and Cuvette
  • Ammonia nitrogen reactor time setting switches: 3 pcs
Total phosphorous
  • Total phosphorous determination range: 0.002 to 10 mg/ L
  • Total phosphorous total phosphorous measurement accuracy: ≤ ± 5 %
  • Total phosphorous minimum detection limit: 0.001 mg/ L
  • Total phosphorous measurement time: 35 to 50 minutes
  • Total phosphorous repeatability: ≤ ± 5 %
  • Processing sample number per batch: 12 pcs
  • Consumables for colorimetric total phosphorous measurement: Colorimetric tubes and Cuvette
  • Total phosphorous reactor digestion temperature: 120 ± 0.5°C
  • Total phosphorous reactor digestion time: 30 min
  • Total phosphorous reactor time setting switches: 3 pcs
Turbidity
  • Turbidity determination range: 0.5 to 400 NTU
  • Turbidity measurement accuracy: ≤ ± 5 %
  • Turbidity minimum detection limit: 0.1 NTU
  • Turbidity measurement time: 1 minute
  • Turbidity repeatability: ≤ ± 5 %
  • Consumables for colorimetric turbidity measurement: Colorimetric Cuvette
Light source life 100000 hours
Optical stability ≤ 0.001 A/ 10 min
No. of curves 56
Storage data 12000
Display LCD (320 × 240)
Interface USB
Power supply AC 200 V
Dimension 450 × 300 × 250 mm
Gross Weight 18 kg
  • Benchtop design
  • High definition LCD screen with detailed user interface
  • Includes colorimetric, digestive system, timing system functions
  • Intelligent data analysis
  • USB infrared data communication
  • Built-in mini printer
  • High accuracy measurement readings
  • User-friendly operation

Used in water quality testing based on COD, ammonia nitrogen, total phosphorous and turbidity parameters across plants, laboratories, and industries.

COD
COD determination range 2 to 10000 mg/ L
COD measurement accuracy COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %
COD minimum detection limit 0.1 mg/ L
COD measurement time 20 minutes
COD repeatability ≤ ± 5 %
Processing sample number per batch
Consumables for colorimetric COD measurement Colorimetric tubes and Cuvette
COD reactor digestion temperature 165 ± 0.5°C
COD reactor digestion time 10 min
COD reactor time setting switches 3 pcs
Anti-chlorine interference (Cl) < 1000 mg/ L No effect
Ammonia nitrogen
Ammonia nitrogen determination range 0.02 to 60 mg/ L
Ammonia nitrogen measurement accuracy ≤ ± 10 %
Ammonia nitrogen minimum detection limit 0.01 mg/ L
Ammonia nitrogen measurement time 10 to 15 minutes
Ammonia nitrogen repeatability ≤ ± 5 %
Processing sample number per batch
Consumables for colorimetric ammonia nitrogen measurement Colorimetric tubes and Cuvette
Ammonia nitrogen reactor time setting switches 3 pcs
Total phosphorous
Total phosphorous determination range 0.002 to 20 mg/ L
Total phosphorous total phosphorous measurement accuracy ≤ ± 5 %
Total phosphorous minimum detection limit 0.001 mg/ L
Total phosphorous measurement time 35 to 50 minutes
Total phosphorous repeatability ≤ ± 5 %
Processing sample number per batch
Consumables for colorimetric total phosphorous measurement Colorimetric tubes and Cuvette
Total phosphorous reactor digestion temperature 120 ± 0.5°C
Total phosphorous reactor digestion time 30 min
Total phosphorous reactor time setting switches 3 pcs
Turbidity
Turbidity determination range 0.5 to 400 NTU
Turbidity measurement accuracy ≤ ± 5 %
Turbidity minimum detection limit 0.1 NTU
Turbidity measurement time 1 minute
Turbidity repeatability ≤ ± 5 %
Consumables for colorimetric turbidity measurement Colorimetric Cuvette
pH measurement range 01.00 to 15.00 pH
pH calibration points 1 to 3 points
pH Buffer Solutions USA (pH 4.01, 7.00, 10.01) or NIST (pH 4.01, 6.86, 9.18)
pH accuracy ± 0.01 pH
Measurement range 20000 mg/L <br/> 0.01 mg/L ~ 45000 mg/L <br/> 0.01 mg/L ~ 120000 mg/L
Measurement accuracy ± 2 % F.S. of its range ( Depending on the homogeneity of sludge)
Pressure range ≤ 0.4 Mpa
Flow rate ≤ 2.5 m/s, 8.2 ft./s
Conductivity
Conductivity measurement range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm
Conductivity accuracy ±0.5% F.S
Conductivity calibration points 1 to 5 points
Conductivity calibration solutions 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom
Conductivity resolution 0.001, 0.01, 0.1, 1
TDS
TDS range 0 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)
TDS accuracy ±1 % F.S
TDS factor 0.01 to 1.00 (Default 0.5)
TDS resolution 0.01, 0.1, 1
Temperature
Temperature measuring range 0 105 °C, 32 to 221 °F
Temperature measuring accuracy ± °0.5 C, ± 0.9 °F
Temperature calibration points 1 point
Temperature resolution 0.1 °C, 0.1 °F
Temperature compensation 0 to 100 °C, 32 to 212 ° F, Manual or Automatic
Conductivity
Conductivity measurement range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm
Conductivity accuracy ±0.5% F.S
Conductivity calibration points 1 to 5 points
Conductivity calibration solutions 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom
Conductivity resolution 0.001, 0.01, 0.1, 1
Salinity
Salinity range 0.00 to 80.00 ppt, 0.00 to 42.00 psu
Salinity accuracy ±1% F.S
Salinity measurement modes Practical Salinity (psu) or Natural Seawater (ppt)
Salinity resolution 0.01, 0.1, 1
Temperature
Temperature measuring range 0 105 °C, 32 to 221 °F
Temperature measuring accuracy ± °0.5 C, ± 0.9 °F
Temperature calibration points 1 point
Temperature resolution 0.1 °C, 0.1 °F
Temperature compensation 0 to 100 °C, 32 to 212 ° F, Manual or Automatic
Conductivity
Conductivity measurement range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm
Conductivity accuracy ±0.5% F.S
Conductivity calibration points 1 to 3 points
Conductivity calibration solutions 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom
Conductivity resolution 0.001, 0.01, 0.1, 1
Temperature
Temperature measuring range 0 105 °C, 32 to 221 °F
Temperature measuring accuracy ± °0.5 C, ± 0.9 °F
Temperature calibration points 1 point
Temperature resolution 0.1 °C, 0.1 °F
Temperature compensation 0 to 100 °C, 32 to 212 ° F, Manual or Automatic
Temperature coefficient Linear

Portable Water Hardness Meters

Labtron portable meters are used in quality analysis of water and other solutions. With portability, waterproof features, finds applications in indoor as well as outdoor measurement of pH, ORP, dissolved oxygen, water hardness, salinity, TDS etc.

Water hardness range 0.05 mmol / L - 0.2 mol / L<br/> (CaCO<sub>3</sub>) 0 - 19999 mg / L, (CaO) 0 - 11220 mg / L, (boiler) 0 - 400 mmol / L, (Ca) 0 - 8020 mg / L<br/> (German degree) 0 - 1122 °dH, (English degree) 0 - 1404 °e, (French degree) 0 - 2000 °f
Accuracy ± 1 % F.S.
Calibration points 2 to 5 points
Calibration solution 0.001, 0.01, 0.1 mmol / L, 0.001, 0.01, 0.1 mol / L
Determination range
0 to 35 mg/L, 0 to 70 mg/ L, 0 to 350 mg/L, 0 to 700 mg/L (without dilution)
0 to 4000 mg/ L (need to dilute) (subsection measurement)
Measurement error Less or less than 10 %
Sample container/ bottle quantity 1 to 6
Sample container/ bottle Capacity 1000 ml