5 - 4
Cavro® XLP 6000 Modular Syringe Pump Operating Manual, 734237-C, en
5 - Maintenance
Periodic Maintenance
% Coefficient of Variation = (Standard Deviation/Mean) * 100
where:
sg
= specific gravity of H20 @ 25°C = 0.99707
Volexpected
= Expected volume to be dispensed
n
= number of replicate
X
= individual result
X
= mean of all results
5.3.2
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.
5.3.3
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.
%CV =
% Accuracy =
1
1
100
2
2
1
n
n
i
i
n
X
X
X
−
−
⎧
⎨
⎩
⎫
⎬
⎭
⎛
⎝
⎜
⎜
⎜
⎜
⎜
⎞
⎠
⎟
⎟
⎟
⎟
⎟
=
∑
*
X
sg
Vol
ected
⎛
⎝
⎜
⎞
⎠
⎟
⎡
⎣
⎢
⎢
⎢
⎢
⎢
⎤
⎦
⎥
⎥
⎥
⎥
⎥
−
*
exp
100
100