b. Bases: 1.8% to 2.2% per °C
c. Salts: 2.2% to 3.0% per °C
d. Water: 2.0% per °C
4.
Press
ENTER
to proceed to the T SLOPE submenu with the flashing prompt. Use the
IRC keys to generate the desired slope value. Press
ENTER
.
5.
Press
EXIT
to return to the main screen.
7.3.7
Output calibration
1.
Wire an accurate milliammeter as shown in
.
Milliammeter wiring
Figure 7-1:
2.
Press
CAL
on the IRC.
3.
Press
NEXT
until the OUTPUT CAL submenu appears. Press
ENTER
.
4.
Use the arrow keys to change the display to match the reading from the
milliammeter. Press
ENTER
.
5.
Press
RESET
to return to the main display.
7.4
Calibrating dissolved oxygen, ozone, free
chlorine, total chlorine, and ozone sensors
7.4.1
Calibrating amperometric sensors
Amperometric sensors can be calibrated in multiple ways: zeroing, air calibrations, dual
slope calibrations, and in process calibrations.
7.4.2
Zeroing the sensor procedure
Complete the following steps to zero a dissolved oxygen, free chlorine, total chlorine, or
ozone sensor.
Measurements
48
Rosemount 5081
Summary of Contents for Rosemount5081
Page 4: ......
Page 10: ...Contents vi Rosemount 5081 ...
Page 12: ...Startup procedure 2 Rosemount 5081 ...
Page 23: ...Mounting 5081 on a pipe Figure 3 2 Installation Instruction Manual 13 ...
Page 24: ...Installation 14 Rosemount 5081 ...
Page 28: ...Wiring 18 Rosemount 5081 ...
Page 50: ...Programming basics 40 Rosemount 5081 ...
Page 130: ...Diagnostics and troubleshooting 120 Rosemount 5081 ...
Page 136: ...Digital communications 126 Rosemount 5081 ...
Page 140: ...Engineering drawings 130 Rosemount 5081 ...
Page 141: ...Engineering drawings Instruction Manual 131 ...
Page 142: ...Engineering drawings 132 Rosemount 5081 ...
Page 143: ...Engineering drawings Instruction Manual 133 ...
Page 144: ...Engineering drawings 134 Rosemount 5081 ...
Page 145: ...Engineering drawings Instruction Manual 135 ...
Page 146: ...Engineering drawings 136 Rosemount 5081 ...
Page 151: ...EU Declarations of Conformity 138 Rosemount 5081 ...