High Pressure, High Temperature Conductivity Sensors SC42/SX42

The SC42 and SX42 conductivity sensors are ideal for high pressure, high temperature applications such as boiler blowdown and condensate leak detection applications. Designed to be high temperature conductivity sensors, these 2-electrode sensors have 316 stainless steel construction, a pre-calibrated cell constant, and a built-in temperature element for automatic temperature compensation.

The SC42 measures conductivity at a range of 0.4-2,000 µS/cm; 4.0-5,000 µ/cm, designed to withstand temperatures up to 100°C and pressures up to 7 bar/100 PSIG.

The SX42 measures conductivity at a range of 0.02-2,000 µS/cm; 0.2-20,000 µS/cm, withstanding temperatures up to 200°C (threaded model) and 250°C (flanged model) and pressures up to 16 bar/ 228 PSIG (threaded model) and 40 bar/ 570 PSIG (flanged model).


   SC42 Small-Bore 2 SX42 Large Bore SX42 Large Bore 2
Model Code SC42 Small Bore SX42 Large Bore
Cell Constants 0.1/cm; 1.0/cm 0.1/cm; 1.0/cm 0.1/cm; 1.0/cm
Ranges 0.4-2,000 µS/cm; 4.0-5,000 µ/cm 0.02-2,000 µS/cm; 0.2-20,000 µS/cm 0.02-2,000 µS/cm; 0.2-20,000 µS/cm
Temperature Element Pt1000 Pt1000 Pt1000
Pressure Rating 7 bar/100 PSIG 16 bar/ 228 PSIG 40 bar/ 570 PSIG
Maximum Temperature 100°C/212°F up to 200°C up to 250°C
Installation Connections 3/4" NPT Fitting; 1", 1.5" or 2" Tri-Clamp 1" NPT 2" 600lb ANSI Flange
Integral Cable NO NO NO
Materials Of Construction 316 Stainless Steel 316 Stainless Steel 316 Stainless Steel
Design Sytle 2-Electrode 2-Electrode 2-Electrode


Yes. The Cation Differential pH and ORP sensors have a glass electrode that needs a 2 point calibration performed regularly. Because of the Cation Reverence electrode you must use special buffers with a constant sodium ion concent...




Check out what is in the box when you receive Yokogawa epoxy type conductivity sensor SV42-EV15.

Looking for more information on our people, technology and solutions?

Contact Us