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HomeProductsProduct categoriesStationary metersEX environment > EX conductivity measuring cells

EX conductivity measuring cells

WTW EX conductivity measuring cell TetraCon® 700

Conductivity measuring cells for measuring points in explosive atmospheres (EX range, zone 1 IIC T6) – TetraCon® 700 EX with 4 electrode system

  • Highest linearity by 4-electrode system
  • EX approved
  • High measuring range

Analog 4-electrode conductivity measuring cell for explosive areas, with integrated temperature sensor, can be connected to StratosProA201XCond-0(-1) via open cable ends.


Model Description Order no.
TetraCon® 700-1,5 EX Analog 4-electrode conductivity measuring cell with integrated temperature sensor and 1.5 m cable with open cable ends 302314EX
TetraCon® 700-7 EX Like above, but with a 7 m cable with open cable ends 302316EX
TetraCon® 700-15 EX Like above, but with 15 m cable with open cable ends 302318EX

Technical Data

Measuring principle 4-electrode measuring cell
Measuring range 10µS/cm … 1000mS/cm
Cell constant K = 0.917cm-1, ±1.5% (in free solution)
Signal output analog
temperature sensor NTC, integrated into measuring cell
Temperature measurement 0°C … +50°C, ±0.2K
Electrical connection PU connection with open cable ends
Test mark CE, CUL, UL
Explosion-proof Ex ib IIC T6 Gb X
Dimensions 196 x 40 (mm)


Model Description Order no.
ZBK 600 Accessories set for TriOxmatic® 700 EX 202620
WP 600/2 2 replacement membrane heads for TriOxmatic® 700 EX 202850
SF 300 Cathode cleaner (grinding foil) for TriOxmatic® 700 EX 203680
RL-AG/Oxi Cleaning solution for silver anode for TriOxmatic® 700 EX 205200
ELY/A Electrolyte solution for TriOxmatic® 700 EX 205212


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