Teledyne 4220 Installation And Operation Manual page 66

4220 Flow Meter
Section 2 Programming
2-38
Absolute barometric pressure is barometric pressure not
corrected to sea level. The barometric pressure published by
the U.S. Weather Bureau is adjusted to sea level. If you use their
value, you must convert it to the absolute pressure for your
altitude. You should use Weather Bureau barometric pressure
only if you are at sea level, or are able to correct the Weather
Bureau figure to absolute pressure at your location. Enter the
correct value.
WRAP D. O. PROBE IN MOIST CLOTH
PRESS ENTER WHEN STABLE: X.XX MS/CM:
Then the display will advance to the following:
CALIBRATING...
PLEASE WAIT...
If you select ALTITUDE for D.O., this will appear:
UNITS FOR ALTITUDE ENTRY
• FT • • M •
Select the appropriate units and press Enter.
ALTITUDE
ALTITUDE = X.XX FT (or meters)
Enter the altitude for your location. Then:
WRAP D. O. PROBE IN MOIST CLOTH
PRESS ENTER WHEN STABLE: X.XXX MG/L
For more detailed information on the pH and D. O. probes, see
Section 5.
Returning to step 3, Parameter to Adjust, the following display
will appear:
PARAMETER TO ADJUST
• NONE • • (LEVEL) • • (pH) • • (DO) • • (YSI 600) •
Note
If you are using the YSI Sonde and YSI 600 does not appear
on your display, return to step 1, Program, and make sure you
have selected YES from the YSI CONNECTED menu.
If you select YSI 600, the following will appear:
YSI 600 PARAMETER TO CALIBRATE
• NONE • • pH • • DO • • CONDUCTIVITY •