Portable Turbidity Meter LTM-A11

Portable Turbidity meter LTM-A11 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, 0 to 200
Minimum readout value (NTU) 0.01, 0.1
Calibration point 4
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 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 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, 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 100, 0 to 200
Minimum readout value (NTU) 0.01
Calibration point 2
Sample volume 18 to 20 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 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, 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 200
Minimum readout value (NTU) 0.1
Calibration point Nil
Sample volume 5 to 10 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) 0.01
Calibration point 5
Sample volume 18 to 20 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, 0 to 1000
Minimum readout value (NTU) 0.001
Calibration point 5
Sample volume 18 to 20 ml
Measuring range (NTU) 0 to 50, 0 to 100, 0 to 200, 0 to 400, 0 to 800
Minimum readout value (NTU) 0.01, 0.1
Calibration point 5
Sample volume 5 to 10 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

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 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 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 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
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

Benchtop Water Hardness 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.

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
Measuring range (NTU) 0 to 200
Minimum readout value (NTU) 0.1
Calibration point Nil
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
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

Portable Multi Parameter Water Quality Meter

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.

pH mode
pH measurement range (-2.000) to 20.000 pH
pH accuracy ± 0.002 pH
pH calibration points 1 - 5 points
pH calibration solutions USA, NIST, DIN or user defined
ORP measurement
ORP measurement range -1999.9 to 1999.9 mV
ORP accuracy ±0.2 mV
ORP calibration points 1 point
ORP calibration solutions mV & relative mV
Conductivity measurement
Conductivity measurement range 0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy ± 0.5 % F.S.
Conductivity calibration points 1 - 5 points
Conductivity calibration solutions 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
Temperature coefficient 0.0 to 10.0 % / °C
Compensation modes Linear or pre water
Cell constant K = 0.1, 1, 10 or user-defined
Normalization temperature 20 °C or 25 °C
TDS measurement
TDS range 0-100 ppt. (max. 200 ppt., depending on factor setting)
TDS accuracy ± 1 % F.S.
TDS factor 0.1 - 1.0 (default 0.5)
pH mode
pH measurement range (-2.000) to 20.000 pH
pH accuracy ± 0.002 pH
pH calibration points 1 - 5 points
pH calibration solutions USA, NIST, DIN or user defined
ORP measurement
ORP measurement range -1999.9 to 1999.9 mV
ORP accuracy ±0.2 mV
ORP calibration points 1 point
ORP calibration solutions mV & relative mV
Ion measurement
Ion measurement range
Ion accuracy
Ion calibration points
Ion calibration solutions
Conductivity measurement
Conductivity measurement range 0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy ± 0.5 % F.S.
Conductivity calibration points 1 - 5 points
Conductivity calibration solutions 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
Temperature coefficient 0.0 to 10.0 % / °C
Compensation modes Linear or pre water
Cell constant K = 0.1, 1, 10 or user-defined
Normalization temperature 20 °C or 25 °C
pH mode
pH measurement range (-2.000) to 20.000 pH
pH accuracy ± 0.002 pH
pH calibration points 1 - 5 points
pH calibration solutions USA, NIST, DIN or user defined
ORP measurement
ORP measurement range -1999.9 to 1999.9 mV
ORP accuracy ±0.2 mV
ORP calibration points 1 point
ORP calibration solutions mV & relative mV
Ion measurement
Ion measurement range 0 to 19999 ppm, mg/L, mol/L
Ion accuracy ± 0.5 % F.S. (monovalent), ± 1 % F.S. (divalent)
Ion calibration points 2 - 5 points
Ion calibration solutions 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol/L, mg/L
Conductivity measurement
Conductivity measurement range 0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy ± 0.5 % F.S.
Conductivity calibration points 1 - 5 points
Conductivity calibration solutions 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
Temperature coefficient 0.0 to 10.0 % / °C
Compensation modes Linear or pre water
Cell constant K = 0.1, 1, 10 or user-defined
Normalization temperature 20 °C or 25 °C