Emerson Rosemount 56 - Dissolved Oxygen

6.7 Oxygen Measurement Programming
T
his section describes how to configure the 56 analyzer for dissolved and gaseous oxygen
measurement using amperometric oxygen
sensors. The following programming and
configuration functions are covered:
1. Sensor type: Select Water/Waste,
Trace. BioRx, BioRx-Other, Brew, %O
2
In Gas
2. Measure type: Select Concentration,
% Saturation, Partial Pressure, Oxygen
in Gas
3. Units: ppm Select ppm, mg/L, ppb,
µg/L, % Sat, %O
2
-Gas, ppm Oxygen-
Gas
4. Pressure Units: bar Select
pressure units: mm Hg, in Hg,. Atm, kPa, mbar, bar
5. Use Press: At Air Cal Select atmos-
pheric pressure source – internal or
mA Input
6. Salinity: 00.0‰ Enter Salinity as ‰
7. Filter: 5 sec Override the default
input filter, enter 0-999 seconds
8. Partial Press: mmHg Select mm Hg,
in Hg. atm, kPa, mbar or bar for Par-
tial pressure
1. To program Sensor type, Select
Water/Waste, Trace. BioRx, BioRx-Other, Brew,
or %O
2
In Gas and press ENTER/MENU.
2. To program Measure type: Select Concentration, % Saturation, Partial Pressure, or
Oxygen in Gas and press ENTER/MENU.
3. To program measurement Units, Select ppm, mg/L, ppb, g/L, % Sat, %O
2
-Gas, or ppm
Oxygen-Gas and press ENTER/MENU.
4. To program Pressure Units: Select pressure units: mm Hg, in Hg,. Atm, kPa, mbar, or bar
and press ENTER/MENU.
5. To program which atmospheric Pressure source to use during Air Cal, Select internal or
mA Input and press ENTER/MENU.
6. To program Salinity, Enter the known Salinity value as ‰ and press ENTER/MENU.
7. To Override the default input filter, enter 0-999 seconds and press ENTER/MENU.
8. To program Partial Press: Select mm Hg, in Hg. atm, kPa, mbar or bar for Partial
pressure and press ENTER/MENU.
50 Programming Measurements
Section 6: Programming Measurements Instruction Manual
April 2017 LIQ-MAN-56