Model Description
TetraCon 700-7 Universally usable 4-electrode measuring cell, especially suited for wastewater treatment plants,
with integrated temperature sensor, cable length 7m
TetraCon 700-15 Like TetraCon 700-7, but cable length 15m
TetraCon 700-15 SW Like TetraCon 700-7, but cable length 15m, Salzwasser version
TetraCon 700-SO Like TetraCon 700-7
TetraCon 325 4-electrode measuring cell, with integrated temperature sensor,
cell constant K=0.475 cm-1, cable length 1.5m
TetraCon 325-3 Like TetraCon 325, but cable length 3m
TetraCon 325-6 Like TetraCon 325, but cable length 6m
LRD 01-1.5 2-electrode measuring cell to screw into pipelines, with integrated temperature sensor,
cable length 1.5m
LRD 01-7 Like LRD 01-1.5, but cable length 7m
LRD 325-1.5 4-electrode measuring cell to screw into pipelines, with integrated temperature sensor,
cable length 1.5m
LRD 325-7 Like LRD 325-1.5, but cable length 7m
LR 325/01 Conductivity measuring cell for pure water, with integrated temperature sensor,
cell constant K=0.1 cm-1, glass flow vessel
LR 325/001 Conductivity measuring cell for trace measurement, with integrated temperature sensor,
cell constant K=0.01 cm-1, stainless steel flow vessel
Analog conductivity measuring cells
Model TetraCon 700 (SW) LRD 01 LRD 325
Measuring principle  4-electrode measuring cell 2-electrode measuring cell 4-electrode measuring cell
Measuring range 10 mS/cm to 1000 mS/cm 0.001 mS/cm to 200 mS/cm 0.001 mS/cm to 200 mS/cm
Cell constant K = 0.917 cm-1 (in free solution)
K = 0.933 cm
-1 (with flow fitting EBST 700-DU/N)
K = 0.1 cm-1 K = 0.475 cm-1
Temperature sensor Integrated NTC
Temperature measurement 0 to +50˚C 0 to +130˚C 0 to +100˚C
Max. pressure 10 bar (at 20˚C) 14 bar (at 20˚C) 10 bar (at 20˚C)
Conductivity measuring cells for special applications
Model TetraCon 325 LR 325/01 LR 325/001
Measuring principle  4-electrode measuring cell 2-electrode measuring cell 2-electrode measuring cell
Measuring range 1 mS/cm to 2 S/cm 0.011 mS/cm to 200 mS/cm 0.0001 mS/cm to 30 mS/cm
Cell constant K = 0.475 cm-1 K = 0.1 cm-1 K = 0.01 cm-1
Temperature sensor Integrated