Portable Turbidity Meter LTM-A12

Portable Turbidity meter LTM-A12 with microprocessor controlled system, utilizes 90° scattered light principle to measure water turbidity in nephelometric turbidity unit i.e. NTU. The formazine standard solution of turbidity mentioned in ISO 7027 is used for turbidity analysis. Portable meter, used in field and lab scale analysis, delivers highly accurate results as per the GLP standards.

Measuring range (NTU) 0 to 100, 100 to 400
Minimum readout value (NTU) 0.01, 0.1
Calibration point 5
Sample volume 5 to 10 ml
Principle method 90° scattered light
Operating temperature 5 to 40°C
Working temperature 5 to 40°C
Light source Infrared-emitting diode (850 nm λ)
Detector Silicon photodiode
Error value ± 6 % (± 2 % F.S)
Zero drift ± 0.5 % F.S.
Reset functions Yes
Memory Stores up to 20 sets data
Output
Dimension 370 × 260 × 150 mm
Weight 1.5 kg
Power batteries DC 1.5 V, 5 AA alkaline batteries
Power supply AC 220 V, 50 Hz
  • Quick and automatic multi-points calibration
  • LCD display with touch keypad
  • Non- linear data processing and transfer
  • Selectable automatic or manual switch mode
  • High through put stability
  • Auto shut down system
  • Easy to use
  • Standard carrying case for field analysis
Accessory No. Name
1 USB communication interface

Used to test turbidity of water across water testing plants, water recycling units, and food and beverage units as a quality and research parameter.

Measuring range (NTU) 0 to 100, 100 to 1000
Minimum readout value (NTU) 0.01, 0.1
Calibration point 7
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 100, 0 to 200
Minimum readout value (NTU) 0.01, 0.1
Calibration point 4
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 100, 100 to 500
Minimum readout value (NTU) 0.01, 0.1
Calibration point 6
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 10, 0 to 100, 0 to 200, 0 to 500, 0 to 1000
Minimum readout value (NTU) 0.01
Calibration point 5
Sample volume 18 to 20 ml
Light source LED/860 nm (Wavelength)
Readings display LCD
Unit switches NTU, FTU, EBC, ASBC
Measurement range 0.00-20.0; 20.01-200; 200.01-1000 NTU
Measuring range (NTU) 0 to 10, 0 to 100, 0 to 200, 0 to 500, 0 to 1000
Minimum readout value (NTU) 0.001
Calibration point 5
Sample volume 18 to 20 ml
Measuring range (NTU) 0 to 100, 0 to 200
Minimum readout value (NTU) 0.01
Calibration point 2
Sample volume 18 to 20 ml
Measuring range (NTU) 0 to 50, 0 to 100, 0 to 200, 0 to 400, 0 to 800, 0 to 1000
Minimum readout value (NTU) 0.01, 0.1
Calibration point 6
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 100, 100 to 800
Minimum readout value (NTU) 0.01, 0.1
Calibration point 6
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 100, 0 to 200, 0 to 500
Minimum readout value (NTU) 0.01
Calibration point 3
Sample volume 18 to 20 ml
Measuring range (NTU) 0 to 10, 0 to 100, 0 to 200, 0 to 500
Minimum readout value (NTU) 0.001
Calibration point 4
Sample volume 18 to 20 ml
Measuring range (NTU) 0 to 50, 0 to 100, 0 to 200
Minimum readout value (NTU) 0.01, 0.1
Calibration point 3
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 50, 0 to 100, 0 to 200, 0 to 400
Minimum readout value (NTU) 0.01, 0.1
Calibration point 4
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 100
Minimum readout value (NTU) 0.01, 0.1
Calibration point 1
Sample volume 5 to 10 ml
Measuring range (NTU) 0 to 200
Minimum readout value (NTU) 0.1
Calibration point Nil
Sample volume 5 to 10 ml

Benchtop Ion Meter

Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.

Ion measurement range F range: 1 × 10<sup>6</sup>M – saturation, 0.02 ppm to saturation
Ion measurement accuracy ± 0.5 % F.S.
Resolution 0.001, 0.01, 0.1, 1
Calibration points 2 to 5 points
Ion measurement range Na range: 1 × 10<sup>5</sup> - 1 M, 0.1 - 23000 ppm
Ion measurement accuracy ± 0.5 % F.S.
Resolution 0.001, 0.01, 0.1, 1
Calibration points 2 to 5 points
Ion measurement range Cl range: 5 × 10<sup>6</sup> - 1 M, 1.8 - 35500 ppm
Ion measurement accuracy ± 0.5 % F.S.
Resolution 0.001, 0.01, 0.1, 1
Calibration points 2 to 5 points
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
Dissolved oxygen range 0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen Calibration points 1 - 2 points
Dissolved oxygen accuracy ± 0.5 mg / L
Dissolved oxygen resolution 0.1 mg / L
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
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
Residual chlorine/total chlorine
Range 0.00 to 5.00 mg/L
Accuracy 0.001 mg/L 0.001 ABS
Repeatability Lower detection limit ≤0.02 mg/L
Chlorine dioxide
Range 0.00 to 10.00 mg/L
Resolution 0.001 mg/L 0.001 ABS
Accuracy ≤2 mg/L: ±0.10 mg/L ˃2 mg/L: ±5 %
Lower detection limit ≤0.04 mg/L
Light source LED
Wavelength of light 515 nm