Conductivity sensor LFS1505.2L.20-4

Commodity conductivity sensor with four-electrode measurement.  Measuring range from 1000 μS/cm to 100.000 mS/cm (typical cell constant of 0.66 cm-1)

For various conductivity measurement applications.

Product Name
Conductivity range
1000 μS/cm to 100 mS/cm
Cell constant
typical 0.66 cm-1
4 electrodes
Operating temperature range
-30 °C to + 100 °C
Chip size/dimensions
14.9 x 5.5 x 0.65 mm
Connection type
Cu/Ag-stranded wires, AWG28/7, PTFE insulated
4 wires
Wire dimensions
Ø 0.2 mm, 20 mm long

Product details

Benefits & Characteristics of the conductivity sensor

  • Wide conductivity and temperature range
  • Fast response time
  • Optimal accuracy
  • Resistance to various chemicals1)
  • Excellent long-term stability
  • Four-electrode measurement2)
  • Customer-specific sensor available upon request


Consistent with the well-known, high-quality standards in Switzerland, IST AG is certified according to ISO 9001:2015 (quality) and ISO 14001:2015 (environment).  Appropriate processes are part of our daily work. They are regularly audited and extended parallel to the growth of our company. 

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