Documentation
The LabTec™ will output data to a printer or a PC at the completion of each dispense for archival
purposes. The following is an example of that data, and the abbreviations used.
09/24/09; 16:12; LABT 0.11X; Volume; CW; Tubing=15; Units=psi; Exec 1; Volume set=10.00 mL;
Count= 1; Rate= 95.0%;
Slow Factor = 3.00; Sniffle = 0.00; Alarms:HP=1; HT=1; Limits; HP=20.0; HT=35.0;
MT, SC, DV,
CV,
P1, T, ST,
16:12:29, 1, 10.17, 10.2,
--.-,
0.0, FINISH,
16:12:33, 2, 10.17, 20.3,
--.-,
0.0, FINISH,
16:12:37, 3, 10.17, 30.5,
--.-,
0.0, FINISH,
MT
= Military Time
SC
= Sample #
DV = Dispensed Volume
CV = Cumulative Volume
P1
= Pressure
T = Temperature
ST = Pump Status
The following chart shows tubing dimensions and the available flow rates based on tubing,pump
head and motor size choices:
Tubing Size
13
14
16
25
17
18
15
24
35
Tubing ID*: in
0.030 0.060 0.125 0.190 0.250 0.310 0.190 0.250 0.310
Tubing OD*:in
0.157 0.189 0.251 0.314 0.376 0.439 0.376 0.439 0.500
Tubing Wall*:in
0.063 0.063 0.063 0.063 0.063 0.063 0.093 0.093 0.093
Pump Rate Range*:
mL / min
mL / min
mL / min
mL / m in
mL / min
mL / m in
mL / min
mL / min
mL / min
CP-8 8RPM
0.0 3 - 0.45 0.1 0 -.63 0.4 3 - 6.38
0.9 - 12.6
1.14-18.3
1.7 - 24.3
0.45 - 13
0.65 - 20
NR
CP-120 160RPM
0.5 - 10.0
1.7 - 35.2
6.3 - 129.0 12.5 - 283.0 18.5 - 405.0 24.7 - 554.0 9.0 - 260.0 13.0 - 435.0 NR
CP-200 600RPM
2.0 -34.0 8.6- 132.0
29 - 533
49.0 - 974.0 70.0 - 1048.0
103.0 - 1515.0
59.0 - 993.0
85.0
-1348.0
111.0 - 2258.0
*Nominal Values
Pump Head Model:
1081 1082
Note: The following may affect your accuracy, and should be considered:
1.
Parker suggests you use #15 or 24 tubing, and move the portion inside the pump 3-4
inches toward the discharge side of the pump periodically to avoid excessive
wear. As the
tubing becomes worn, you will want to run the RE-CAL feature again.
#35 tubing will allow you to pump at higher flow rates, but a larger slow factor should
be implemented.
2.
Sniffle Factor. This is a parameter that can be adjusted to minimize the drips that occur
after dispensing, thereby eliminating overruns. These procedures suggest an initial factor
of 0.0. If you are using a filter, this may need to be increased as the filter becomes plugged.
3.
Slow Factor and Pump Rate. These parameters can be optimized further depending upon
your specific application. The Slow Factor should be set to 1 or 2 mL for most tubing, and
up to as much as 5 mL if you are using large diameter tubing. Decreasing the Pump Rate
will help if the default of 100% is causing too much backsplash that can’t be eliminated in
some other manner, or if the dispense volume is small.
20
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