
Maintenance
5-4
reading caused by fluid adhering to the tip of the aspirate tubing, a small amount of
surfactant should be added to the water (e.g., Fluorad
â
at a 0.01% concentration).
% Coefficient of Variation = (Standard Deviation/Mean) * 100
%CV =
1
1
100
2
2
1
n
n
i
i
n
X
X
X
−
−
ì
í
î
ü
ý
þ
æ
è
ç
ç
ç
ç
ç
ö
ø
÷
÷
÷
÷
÷
=
å
*
% Accuracy =
X
sg
Vol
ected
æ
è
ç
ö
ø
÷
é
ë
ê
ê
ê
ê
ê
ù
û
ú
ú
ú
ú
ú
−
*
exp
100
100
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.
Summary of Contents for XP 3000
Page 21: ...Hardware Setup 2 5 RS 232 CABLING Figure 2 3 RS 232 Multi Pump Cabling nc ...
Page 22: ...Hardware Setup 2 6 RS 485 CABLING Figure 2 4 RS 485 Multi Pump Cabling RS 485 A RS 485 B ...
Page 23: ...Hardware Setup 2 7 CAN CABLING Figure 2 5 CAN Multi Pump Cabling ...
Page 36: ...Hardware Setup 2 20 Figure 2 12 XP 3000 Threaded Mount Holes ...
Page 134: ......