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Laqua Twin Economy 7-pack case

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Get your professional laboratory in the field. Measure values in soil, leaf, sap, water, sludge, etc.

  • LaquaTwin PH-22 pH Meter
  • LaquaTwin EC-22 conductivity meter
  • Nitrate Ion Meter LaquaTwin NO3-11
  • Calcium Ionometer LaquaTwin Ca-11
  • LaquaTwin Na-11 Sodium Ion Meter
  • Potassium Ionometer LaquaTwin K-11
  • LaquaTwin Salt-11 Total Salts Ionometer


The Laqua Twin premium meter case is the ultimate pack for reliable, fast and easy measurements. Ideal in agriculture, aquaculture, livestock or food.

You can see more features in the additional information tab. The case includes:

  • pH meter LAQUAtwin PH-22 (3 point calibration)
  • Conductivity meter LAQUAtwin EC-22 (Temperature and 3-point calibration)
  • Nitrate Ion Meter LAQUAtwin NO3-11
  • Calcium Ionometer LAQUAtwin Ca-11
  • Sodium Ionometer LAQUAtwin Na-11
  • Potassium Ionometer LAQUAtwin K-11
  • Total Salts Ionometer LAQUAtwin Salt-11

This complete Laqua Twin Premium 7" Briefcase including  pH meter, conductivity meter, meter of nitrate, meter of calcium, meter of sodium, meter of potassium and meter of salt (NaCl).

The kit includes the hard plastic case, calibration solutions for each sensor, user manuals and batteries.

Main features:

  • Temperature compensated measurements
  • Recognition of single or two-point calibration solutions.
  • Notice of completion of sampling.
  • Protection IP67 to water and dust
  • It does not use reagents.
  • Automatic range setting
  • Auto power off (30 minutes).

The sensors should be replaced after approximately every 1500 measurements or when calibration cannot be performed correctly. The sensors are sold separately and can be easily removed and replaced.

Different methods of measurement:

ImmersionYou can test the sample in a beaker.
SamplingUse it as a shovel to test the water.
DropsLAQUAtwin meters can measure sample volumes as small as 0.05 ml by placing a drop of sample on the sensor with a pipette.
Solid samplesFood containing some moisture can be analysed by placing a small piece of food directly on the sensor.
PowdersSimply place the powder sample on the sensor and pour the defined volume of distilled water over it.
Paper and textilesIf you want to analyse sheets of paper and tissue, cut the sample into small pieces and place it directly on the sensor. Pour the defined volume of deionised water on top.

Measuring in three easy steps:

1. CalibrationFor a correct calibration it is necessary that the sensor is clean beforehand. If this is not the case, rinse it with water and place some standard solution on the sensor and press the calibration button. A smiley face will appear to indicate that calibration is complete. Clean the sensor with water until the calibration solution is removed and wipe it dry with a soft, clean tissue.
2. AnalysisYou only need a tiny amount of sample, so you only need to fill the sensor and wait a few seconds until the smiley face appears.
3. CleaningAlways keep the sensor clean.

Additional information

pH 22 - Measuring range

0.0 to 14.0 3 point calibration

pH 22 - Resolution


pH 22 - Accuracy


EC 22 Conductivity meter - Measuring range

from 0 to 199.99 mS/cm

EC 22 Conductivity meter - Resolution

from 0 to 199 ”S/cm - (1”S/cm) from 200 to 1999 ”S/cm - (1”S/cm) from 2.00 to 19.99 mS/cm - (0.01 mS/cm) from 20.00 to 199.9 mS/cm - (0.1mS/cm)

EC 22 Conductivity meter - Accuracy

±2% (0 to 19.99 mS/cm) ±5% (20.0 to 199.9 mS/cm)

EC - 22 temperature

Range 0 to 50ÂșC Compensation from 5 to 40ÂșC

NO3-11 Nitrate Ionometer - Measuring range

from 1.4 to 2200 ppm(mg/L) from 0.7 to 1100 kg/10a

NO3-11 Nitrate Ionometer - Resolution

6 to 99 ppm : 1 ppm 100 to 990 ppm : 10 ppm 1000 to 9000 ppm : 100 ppm

NO3-11 Nitrate Ionometer - Accuracy

±10 % of reading value

NO3-11 Nitrate - Temperature Ion Meter

Range 0 to 50ÂșC Compensation from 5 to 40ÂșC

 Ca-11 Calcium Ionometer - Measuring range

4 to 9900 ppm (mg/L) 0.1 to 250 mmol/L

 Ca-11 Calcium Ionometer - Resolution

0 to 99 ppm : 1 ppm 100 to 990 ppm : 10 ppm 1000 to 9900 ppm : 100 ppm

Ca-11 Calcium Ionometer - Accuracy

±20 % of reading value

Ca-11 Calcium Temperature Ionometer

Range 0 to 50ÂșC Compensation from 5 to 40ÂșC

Na-11 Sodium Ionometer - Measuring range

2 to 9900 ppm (mg/L) 0.1 to 430 mmol/L

Na-11 Sodium Ionometer - Resolution

0 to 99ppm : 1ppm 100 to 990ppm : 10ppm 1000 to 9900ppm : 100ppm

Na-11 Sodium Ionometer - Accuracy

±10 % of reading value

Na-11 Sodium Ionometer - Temperature

Range 0 to 50ÂșC Compensation from 5 to 40ÂșC

K-11 Potassium Ionometer - Measuring range

4 to 9900 ppm (mg/L) 0.1 to 250 mmol/L 2 to 5000 kg/10a

K-11 Potassium Ionometer - Resolution

0 to 99 ppm : 1 ppm 100 to 990 ppm : 10 ppm 1000 to 9900 ppm : 100 ppm

K-11 Potassium Ionometer - Precision

±10 % of reading value

K-11 Potassium - Temperature Ionometer

Range 0 to 50ÂșC Compensation from 5 to 40ÂșC

Salt-11 Total Salts Ionometer - Measuring Range

0.0 to 100.0 g/L (ppt) 0.00 to 10.00%

Salt-11 Total Salt Ionometer - Resolution

(0.1 g/L) (0.01%)

Salt-11 Total Salts Ionometer - Accuracy

±2% of the full range (from 0.0 to 9.9 g/L) ± 4% of the full range (from 10.0 to 100.0 g/L)

Salt-11 Total Salts - Temperature Ionometer

Range 0 to 50ÂșC Compensation from 5 to 40ÂșC


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