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Mechanics
After dispensing the probe returns to the position above the wash pot.
When the same sample is continuously analyzed, the probe starts the next
aspirate cycle. When the next sample is analyzed, the inner and outer
walls of the probe are rinsed inside the wash pot and the sample probe
starts its next cycle.
Note: The sample vessel is either a sample cup, primary tube, or micro
cup. This is a request that is made when entering information at the patient
test menu. When selecting the sample cup or tube remember this must
match the type that was selected in the test menu. If the sample cup type
is not the same as requested in the patient test menu, the data may be
affected by the aspiration of air, etc.
4.2.6.1. Follow-up move-down of the sample probe
The sample probe performs follow-up move-down (FUMD) for the standard
cup and the micro cup when a sample is aspirated. The distance by which
the liquid level is decreased by aspiration of the sample is determined
based on the liquid level position detected and the total aspiration quantity,
so the probe is moved down by the corresponding distance insuring that
the probe remains in the sample during the aspiration cycle. The total
aspiration quantity consists of the specified volume and the excessive
sample (sample header).
The FUMD is not performed when primary tubes are used.
The sample probe vertical movement drives a distance of 0.15mm/pulse
Aspiration volumes indicated exclude excessive sample (10µl header)
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Standard Cup
When sample detection is within range “A”
Total aspiration ≤ 5µl
: Down 2 pulses
Total aspiration 6µl to 10µl : Down 6 pulses
Total aspiration 11µl to 20µl : Down 10 pulses
Total aspiration 21µl to 40µl : Down 14 pulses
Total aspiration ≥ 41µl
: Down 18 pulses
When sample detection is within range “B”
• Total aspiration ≤ 40µl
: Down 6 pulses
• Total aspiration ≥ 41µl
: Down 12 pulses
When sample detection in within range “C”
• Total aspiration ≤ 40µl
: No additional pulses
• Total aspiration ≥ 41µl
: Down 6 pulses
Sample volumes indicated exclude excessive sample (10µl header)
4.12
Instrumentation Laboratory