Electro-Chemical Devices (ECD) T80 - Manual (Page 46)

Press NO With the sensor in the process solution
Press STAND Enter the laboratory determined conductivity value
Press ▲ ▼ NEXT xxx.xx MΩ (use arrows and NEXT to enter process value)
Press OK Current Value xx.xx MΩ, Desired Value: xx.xx MΩ, Offset XX.XX OK?
Press OK Back to Cal Menu
Press Home Hold is ON (Press HOLD to turn off Hold)
Press HOLD Turn off Hold
Press EXIT Main Display
Page 45 Model T80