Model 840/842-840F/842F dissolved oxygen analyser

• Oxygen measurement displayed in mg/l or %saturation
• Logically arranged menu structure
• Large two-line display simultaneously indicates measured value and temperature
• Intuitive calibration procedure
• Automatic barometric pressure compensation and salinity correction
• Continuous sensor diagnostics
• Up to 4 output contacts for use as : limit contacts, P(ID) control, timed output for simple cleaning, chemical cleaning process
• Optional second current output for temperature
• Hart communication
• CSA certified

840/842 panel/field mount digital

For use with the Model OOS31 amperometric DO sensor in industrial wastewater applications
Available in panel mount (840) or NEMAx4 / IP65 rated field mount housing (842)

840F/842F polarographic dissolved oxygen analyser

For use with Model OOS21 polarographic DO sensor in biotechnical applications. Available in panel mount (840F) or NEMAx4 / IP65 rated field mount housing (842F)