4210 Flow Meter
Section 2 Programming
2-42
If you select CONDITIONAL for sampler pacing, the following
will appear:
(TEMPERATURE), (YSI pH), (YSI DO), (YSI CONDUCTIVITY)
and (YSI TEMP) may also appear. Note that all the conditions
shown above are in parentheses. Your previous programming
selections determine which ones will actually appear. At least
one of these menu options will be available to you. Pressing the
right arrow key may be necessary to bring all items onto the
display.
LEVEL will only appear if the flow meter is set up to measure
level or flow.
RAINFALL, D. O., pH, and TEMPERATURE measurement
require the appropriate sensor probe be used with the flow meter.
Remember that only one parameter condition (D. O. or pH) can
be measured by the flow meter at a time.
RAINFALL can appear if you have a rain gauge attached to the
flow meter.
TEMPERATURE can be measured alone, or with either
parameter probe.
D. O. and/or pH may not appear on the menu, depending on
selections made in step 1. If you do not see the item you need,
return to step 1, and recheck your programming. If you did not
make the proper selections there, certain menu options will not
appear here, as they would have been locked out.
The YSI 600 conditions of pH, DO, CONDUCTIVITY, and TEM-
PERATURE will only appear on the menu if you have turned
them on in steps 1 and 3.
For any of these conditions, you can set the point at which
change in the selected condition causes the flow meter to send a
flow pulse to the sampler. The following menu will appear:
If you select GREATER THAN, the flow meter will ask you to
enter a maximum value for the selected condition which, if
exceeded, will trigger the flow pulse.
If you select LESS THAN, the flow meter will ask you to enter a
minimum value for the selected condition. If the condition falls
below that value later, the flow meter will send a flow pulse to
the sampler.
If you select RATE OF CHANGE, the flow meter will ask you to
enter two values, one for the condition, and the other for a period
of time over which the change occurs. After you have determined
what condition will signal the sampler and under what circum-
stances, the following menu will appear:
CONDITION
• (LEVEL) • • (FLOW RATE) • • (RAINFALL) • • (D. O.) • • (pH) •
CONDITION
• GREATER THAN • • LESS THAN • • RATE OF CHANGE •
SELECT OPERATOR
• DONE • • OR • • AND •
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