PBS Electronics offers a range of conductivity sensors. Technical specifications: PBS conductivity meter/indicator: range - 0 to 20?S/cm; 0 to 200?S/cm; 0 to 2000?S/cm; and 0 to 20000 ?S/cm; indication - 3? digit LED display [12.5 mm]; accuracy - 0.5% of FSD; resolution - 0.1% of full scale indication; cell excitation - regulated supply of IV AC; temperature compensation - auto [PT-100 sensor], manual - 25?C; control output - single set point 1 NO/NC 230 V AC resistive; current O/P - 4-20 mA output; power supply - 230 V AC 50Hz ?10%; and dimension - 96 x 96 x 150 mm [dinstandard]. Technical specifications, "PBS" conductivity cell [sensor] - materials of construction - SS 316/SS 316L; cell constant - K=0.01, 0.1, 1.0 and 10; and end connection-C ends, ?" BSP threading and any other specific end connection.