6700 Portable Sampler User Manual - Isco

6700 SAMPLERS
Grab Sample
When selected, you will be asked to enter the volume to be
pumped. A sample will then be taken as if it is to be placed into a
container outside the sampler base. Do this by removing the
pump tubing from the bulkhead fitting. See Grab Samples on
page 70. A GRAB SAMPLE event will be logged.
Pump Tube Alarm
If the pump tube is changed, this option should be selected to
reset the pump counts on the counter. This will remove the
“WARNING: REPLACE PUMP TUBING” message that may
appear while the program is running. A PUMP TUBE
REPLACED message is logged. See Replacing the Pump Tube on
page 75.
Calibrate Volume
When selected, you will be asked to enter the volume to be
pumped. A sample will then be taken as if it is to be placed into a
container outside the sampler base. Do this by removing the pump
tubing from the bulkhead fitting. See Calibrating on page 71.
After the sample has been pumped, you will then be asked to
enter the amount actually delivered. Once you have entered the
delivered volume and accepted the calibration, a VOLUME
DELIVERED event will be logged.
Cal/Adj Parameters
When the sampler is configured for operation with a module or YSI
sonde, this option becomes available. Selecting this option will display
the appropriate level adjustment screens and/or the calibration
screens. If the level is adjusted, an ADJUSTED LEVEL event is
logged. If a parameter is calibrated, an appropriate event is logged.
Calibrating a parameter probe will temporarily “turn off” the
partition data storage and the sample enable/disable functions.
These functions are disabled during the calibration and for five
minutes after the program is resumed. During this time, parameter
data normally collected at the data storage interval will be
logged as a 252 error message.
Adjust Pacing
This option is available when the running program is paced by
Uniform Time, Flow Pulses, or Flow Volume. If you select this
option, you are asked to enter a new pacing interval. The sampler
logs an INTERVAL CHANGED event. If the sampler is running
a two-part program and both parts are paced by the pacing
listed above, you will be asked to modify both intervals.
The original pacing interval continues to count down until you
return the sampler to the running program (select RESUME
PROGRAM). If the new pacing interval is less than the original
count remaining, the new interval is used.
If the original count remaining is less than the new pacing interval,
the original count will continue to count down to the next sample
event. Subsequent samples are then paced by the new interval.
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