AK135
Max - Bench EC/TDS/Salinity Meter
Benchtop EC, TDS, salinity and temperature meter for accurate water-quality, food, soil and laboratory analyses.
0.00 to 19.99 µS/cmConductivity Range
± (2%FS + 1 digit)Conductivity Accuracy
Max - Bench EC/TDS/Salinity Meter
Benchtop EC, TDS, salinity and temperature meter for accurate water-quality, food, soil and laboratory analyses.
Ideal for accurate measurements in laboratories and schools, water quality testing, sewage treatment, soil/fertilizer testing, food processing (for HACCP compliance), geological testing. Great for R&D and QC applications in the food and pharmaceutical industries, paper/pulp processing, chemical industries.
Applications
Bench-grade accuracy for QC, research, and routine laboratory analysis.
Rapid checks for dairy, beverages, sauces, and process-line compliance.
Field testing for municipal and industrial water treatment monitoring.
| Measurement Specifications | |||
| Parameter | Range | Resolution | Accuracy |
|---|---|---|---|
| Conductivity | 0.00 to 19.99 µS/cm | 0.01 µS/cm | ± (2%FS + 1 digit) |
| 20.0 to 199.9 µS/cm | 0.1 µS/cm | ± (2%FS + 1 digit) | |
| 200 to 1999 µS/cm | 1 µS/cm | ± (2%FS + 1 digit) | |
| 2.00 to 19.99 mS/cm | 0.01 mS/cm | ± (2%FS + 1 digit) | |
| Salinity | 0.00 to 12.00 ppt | 0.01 ppt | ± (2%FS + 1 digit) |
| Total Dissolved Solids (TDS) | 0.00 to 9.99 ppm | 0.01 ppm | ± (2%FS + 1 digit) |
| 10.0 to 99.9 ppm | 0.1 ppm | ± (2%FS + 1 digit) | |
| 100 to 999 ppm | 1 ppm | ± (2%FS + 1 digit) | |
| 1.00 to 10.00 ppt | 0.01 ppt | ± (2%FS + 1 digit) | |
| 10.0 to 19.9 ppt | 0.1 ppt | ± (2%FS + 1 digit) | |
| Resistivity | 0.0 to 100.0 MΩ | 0.1 MΩ | ± (2%FS + 1 digit) |
| General Specifications | |
| Display backlight | On/Off |
| Operating humidity | 10 to 90 % RH (non-condensing) |
| Protection rating | IP65 |
| Power supply | 220 VAC / 12 VDC |
| Dimensions | 216 x 190 x 59 mm |
| Weight | 950 g |
| Automatic temperature compensation | Automatic: −5 to 100 °C |
| Manual temperature compensation | Manual: −5 to 100 °C |
| Electrode operating temperature | 0 to 50 °C |
| Freezing the reading (HOLD) | Manual |
| Memory | 100 records |
| Calibration points | 84 µS/cm · 1413 µS/cm · 5.0 mS/cm · 12.88 mS/cm, plus customisable points |
| Cell constant (K) | 0.05 to 0.20 / 0.80 to 1.20 / 9.80 to 10.20 (configurable) |
| Temperature compensation (cell) | -5 to 100 °C |
Replacement parts, calibration solutions, and maintenance supplies for the AK135.
Tell us what you measure and where. Our team will recommend the right instrument and configure your complete kit.
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Custom kit configuration
Instrument, probe, solutions, and carrying case
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