AK135 MAX Bench EC/TDS/Salinity/Temperature meter
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.
Tecnical specifications:
Conductivity
Measurement range Resolution Accuracy
0.0 to 19.99 μS/cm 0.01 μS/cm ± (2%FS + 1 digit)
20.0 to 199.9 μS/cm 0.1 μS/cm
200 to 1999 μS/cm 1 μS/cm
2.00 to 19.99 mS/cm 0.01 mS/cm
TDS
Measurement range Resolution Accuracy
0.00 to 9.99 ppm 0.01 ppm ± (2%FS + 1 digit)
10.0 to 99.9 ppm 0.1 ppm
100 to 999 ppm 0.01 ppt
1.00 to 10.00 ppt 0.1 ppt
Salinity
Measurement range Resolution Accuracy
0.00 to 12.00 ppt 0.01 ppt ± (2%FS + 1 digit)
Resistivity
Measurement range Resolution Accuracy
0.0 to 100.0 MΩ 0.1 MΩ ± (2%FS + 1 digit)
Constant K:
Configurable
0.05 to 0.20
0.80 to 1.20
9.80 to 10.20
Recommendation for conductivity cell and measurement range
| K= 0.1 | 0.0 to 19.99μS/cm |
| K= 0.1 e K=1.0 | 20.0 to 199.9μS/cm |
| K=1.0 | 200 to 1999μS/cm |
| K=1.0 | 2.00 to 19.99mS/cm |
| K=10.0 | 20.0 to 199.9mS/cm |
TDS factor:
Configurable
0.40 to 0.80
Temperature Compensation:
Meter: -5 t0 100 °C (manual and automatic)
Cell: 0 to 80 °C
EC/TDS/Temp probe: AK1020 (included)
Backlight LCD: On/Off
Reading freeze (HOLD): Manual
Operating temperature: 0 to 50 °C
Operating humidity: 10 to 90 %RH (non-condensing)
Power supply: 220VAC/12VDC
Dimensions (W x L x H): 216 x 190 x 59 mm
Weight: 950g
Memory: 100 registers
AK135 MAX is supplied complete with:
- 1 conductivity cell with temperature sensor K=1.0 - AK1020
- 1 20mL sample of 1413μS/cm solution
- 1 20mL sample of 12.88mS/cm solution
- 1 carrying case
Optional accessories:
AK4523: 1413 µS Calibration solution – 250 mL bottle
AK4524: 12.88 mS Calibration solution – 250 mL bottle
