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SPECIFICATIONS
INSTALLATION DRAWING
Recommended tubing for 120SP
Inlet & outlet, 1/32” (0.80mm) ID, hardwall
tubing, PART NO. 008T16-080
Micro-Pump
120SP series
1
A
B
C
D
E
F
A
B
C
D
E
F
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
(2.5”)
(63.5mm)
.84”
(21.3mm)
.49”
(12.4mm)
Ø1.0”
(Ø25.4mm)
1.4”
(35.6mm)
.72”
(18.3mm)
.688”
(17.5mm)
Outlet
Inlet
Lead wires not to scale
Wires are 26 AWG and min 24” (610mm) long
Set screw
position
variable
to +.25” (6mm)
2x 1/4”-28 UNF
Flat bottom port
Depth of port = .25”min. (6.4mm)
2x #4-40 UNF
Mounting holes
120SP Fluid Data
Dispense Volume (μl)
20
30
40
50
60
Set-point accuracy
+/- 10%
+/- 10%
+/- 10%
+/- 10%
+/- 10%
Repeatability
+/- 5%
+/- 5%
+/- 5%
+/- 5%
+/- 5%
Max flow rate (μl/min)
2400
3600
4800
6000
7200
Internal vol (μl)
105
105
105
105
105
120SP Electrical Data
120SP Cycle Rates
Voltage
Power
@70˚F (21˚C)
Current
@70˚F (21˚C)
Effective continuous
power @ max cycle rate Fixed “on” time Min “off” time Max cycle rate
12 VDC 4.0 Watts
0.32 amps
1.2 Watts
150 msec
350 msec
2.0 Hz
24 VDC 4.0 Watts
0.16 amps
1.2 Watts
Time (msec)
Voltage (v)
a
b
a = 150 msec ( xed)
b = 350 msec (minimum, adjustable)
120SP Micro-Pumps can be cycled at up to 2 Hz. To maintain
pumping precision the voltage “on” time should remain fixed -
the pumping rate can be changed by increasing the “off” time.