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5 - Maintenance
Periodic Maintenance
5.3.2
5.3.3
5 - 4
% Coefficient of Variation = (Standard Deviation/Mean) * 100
⎛
⎧
n
⎜
1
∑
⎨
X
⎜
−
⎩
n
1
=
⎜
i
1
%CV =
⎜
X
⎜
⎝
⎡
⎛
⎞
X
⎜
⎟
⎢
⎝
⎠
⎢
sg
⎢
% Accuracy =
⎢
Vol
⎢
⎣
where:
sg = specific gravity of H 2 0 @ 25°C = 0.99707
Vol expected = Expected volume to be dispensed
n = number of replicate
X = individual result
X = mean of all results
Replacing Dispense or Reagent Tubing
To replace dispense or reagent tubing, follow these steps:
1
To remove the tubing, use a 5/16" wrench and gently loosen the fittings.
2
Unscrew the fittings and remove the tubing.
3
To install new tubing, insert the fitting into the valve and tighten it finger tight.
4
Using a 5/16" wrench, turn the fitting another ¼ to ½ turn.
Replacing a Syringe
To replace a syringe, follow these steps:
1
Remove the liquid from the syringe.
2
Remove the plunger lock screw.
3
Lower the plunger drive by sending the [A6000R] command. If power is not
applied, the plunger drive can be manually lowered by pushing down firmly on
the plunger holder assembly.
Cavro® XLP 6000 Modular Syringe Pump Operating Manual, 734237-C, en
⎞
⎫
⎟
2
−
2
⎬
n
X
⎟
i
⎭
⎟
*
100
⎟
⎟
⎠
⎤
⎥
*
100
⎥
−
100
⎥
⎥
exp
ected
⎥
⎦
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