Operation
CoaDATA 501 – Operators Manual 2.1 Page 11
2.1.3 How to measure
One measuring channel is available for measuring.
The following description refers to a double determination of PT. The test
procedure varies depending on single or double determination. For
additional information please refer to chapter "3.2 Flow Chart of different
application methods".
Single/double determinations
The user can switch to single determination prior to or after a
measurement in the method menu <replication> (refer to chapter 2.2.1
PT-parameterization).
Sample incubation
Sample incubation is always performed in the measuring channel!
• Switch to measuring mode.
cuv in 1
• Open the light protection cap.
• Pipette 50 µl citrate plasma in a cuvette.
• Immediately place this cuvette into measuring channel.
• Close the light protection cap.
The analyzer automatically recognizes the cuvette and starts the timer for
sample incubation (timer count down). An acoustic signal indicates 5 sec
remaining incubation time.
incu 47
Timer count down
After sample incubation the measuring channel will be adjusted for sample.
(adjS = adjust Sample).
adj – S1
Sample adjustment
Once the sample has been adjusted the following display 100 ul alternately
GO – S1 appears:
100 ul
Request to add
GO – S1
add start reagent
• Aspirate 100 µl start reagent into the pipettor.
• Place the pipette vertically onto the light protection cap.
• The measurement is automatically started by pipetting the start reagent
into the sample cuvette.
1.2 s
current measurement in [sec]
An acoustic signal indicates the recognition of clotting in a measuring
channel and stops the timer.
t = 12.6 s
clot recognition in [sec]
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