O2 mg/l (ppm) – do concentration setup, Part b – concentration (mg/l) (ppm) mode – Thermo Fisher Scientific CyberScan DO 600 User Manual
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PART B – Concentration (mg/L) (ppm) 
Mode 
1. O2 mg/L (ppm) – DO Concentration Setup
 
DO Concentration
(mg/L) setup screen present many options to control the
operating parameters, which can be controlled and set from the DO setup 
screen. The settings are displayed in 2 pages. Press NEXT-P (F2) and PREV-
P (F1) to navigate through these pages. 
DO (mg/L) – Page 1
Figure 56 : DO (mg/L) – Page 1
 
This page allows you to set operating parameters for the DO Concentration 
measurement mode: 
 
Parameter
Function
Factory
Default
Select DO Unit
Sets the unit of measurement for DO 
 
Available units: mg/L and ppm 
mg/L
Auto Salinity Comp
DISABLE – No automatic compensate 
ENABLE – The meter will apply measured salinity for DO 
concentration of your sample. 
 
Note: This option is activated only in CD650 & PCD650. 
DISABLE
Set Salinity
Allows you to set the salinity (in ppt) for your solution 
 
Available range: 0 to 50 ppt 
0.0 ppt
NOTE: Auto salinity compensation will be applicable only in multi measurement 
mode and only if one of the measurement selected is conductivity related. Otherwise, 
a manually set salinity value will be applied.