100series

120S/DM2, 120S/DM3, 120U/DM2 and120U/DM3 pumps with 400DM2 and400DM3 pumphead

Watson-Marlow Pumps

FEATURES AND BENEFITS• Flow rates 0.001 to 108 ml/min at 2bar (30psi)• Compact footprint requiring minimal benchtop space• Superior speed control up to 10,000:1, ±1% set speed accuracy• 400DM2 is a two-channel pumphead and 400DM3 a three-channel
pumphead both for double segment manifold tubing• IP31/NEMA 2 ingress protection for wipedown environments• Maintenance-free brushless DC motor

TECHNICAL DATA
Functionality

120S

120U

Manual control
1 to 100rpm (100:1)•0.1 to 100rpm (1000:1)•

Numerical speed display••

Direction change••

Max (prime)••

Auto start••

Remote control and feedback
Run/stop, direction change, auto/man toggle, alarm•

Analogue control
0.01 to 100rpm (10,000:1)•

Analogue speed input; 4-20mA, 0-10V•

Tacho speed output; 0-5V•

Security
Keypad lock to protect set-up••

PERFORMANCE
Tube bore and flow rates 400DM2, 400DM3 (ml/min)
120S
120U

Speed rpm

0.13mm0.19mm0.25mm0.38mm

0.50mm1 – 100rpm

0.001-0.10.002-0.2

0.004-0.4

0.008-0.8

0.014-1.4

0.1 – 100rpm

0.0001-0.1

0.0002-0.2

0.0004-0.4

0.0008-0.8

0.001-1.4

Speed rpm

0.63mm

0.76mm0.88mm

1.02mm

1.14mm120S

1 – 100rpm

0.022-2.2

0.031-3.1

0.043-4.3

0.055-5.5

0.070-7.0

120U

0.1 – 100rpm

0.002-2.2

0.003-3.1

0.004-4.3

0.006-5.5

0.007-7.0

Speed rpm

1.29mm

1.42mm

1.52mm

1.65mm

1.85mm120S

1 – 100rpm

0.089-8.9

0.110-110.120-120.140-14

0.180-18
0.018-18

120U

0.1 – 100rpm

0.009-8.9

0.011-11

0.012-120.014-14

Speed rpm

2.05mm

2.38mm

2.54mm

2.79mm120S

1 – 100rpm

0.210-210.260-26

0.310-31

0.360-36

120U

0.1 – 100rpm

0.021-21

0.026-26

0.031-31

0.036-36

DIMENSIONSDM3DM2(4.41”)(4.33”)(2.09”)(1.46”)(8.11”)(7.48”)TECHNICAL SPECIFICATION

MATERIALS OF CONSTRUCTION

120S, 120U

Component

Material

Ingress rating

IP31 / NEMA 2

KeypadPolyester

Enclosure

Wipedown

Drive casework

ABS plastic

Suitability

Dry light-industrial environments

Drive shaft

Stainless SteelHumidity

Non-condensing 80% up to 31C, 88F, decreasing linearly
to 50% at 40C (104F)

Pumphead track

Aluminium (anodised)

Pumphead guard

PolycarbonateTemperature

5C to 40C (40F to 104F)

Rotor

Aluminium (anodised)

Pump weight

1.70kg (3lbs 11oz)

Rollers

AcetalControl ratio

120S: 100:1, 120U: Manual 1000:1, Auto 10,000:1

Spindles guide pins

Stainless steel

Torque rating

0.4Nm continuous duty

Noise

< 60dB(A) at 1m

Standard

CE, cETLus

Power supply

24VDC from mains transformer supplied (mains supply
range 90~264VAC 47~63Hz)

ORDER INFORMATION
Pump and pumphead product codes
Description

Partcode

Description

Partcode

120S/DM2 manual speed pump

010.6131.M20

120U/DM3 manual and auto speed pump

010.6141.M30

120S/DM3 manual speed pump

010.6131.M30

400DM2 pumphead

043.001D.D2C

120U/DM2 manual and auto speed pump

010.6141.M20

400DM3 pumphead

043.001D.D3C

Tubingcolour code

Bore (mm)Marprene(Autoclave)

Marpreneorange/blueorange/green

0.25

979.0025.00+

979.0025.000

0.38

979.0038.00+

979.0038.000―

orange/yellow

0.50

979.0050.00+

979.0050.000―

orange/white

0.63

979.0063.00+

979.0063.000

983.0063.000

black/black

0.76

979.0076.00+

979.0076.000

983.0076.000

orange/orange

0.88

979.0088.00+

979.0088.000

983.0088.000

white/white

1.02

979.0102.00+

979.0102.000

983.0102.000

red/red1.14

979.0114.00+

979.0114.000

983.0114.000

grey/grey

1.29

979.0129.00+

979.0129.000

983.0129.000

yellow/yellow

1.42

979.0142.00+

979.0142.000

983.0142.000

yellow/blue

1.52

979.0152.00+

979.0152.000

983.0152.000

blue/blue

1.65

979.0165.00+

979.0165.000

983.0165.000

green/green
purple/purple

1.85

979.0185.00+

979.0185.000

983.0185.000

2.05

979.0205.00+

979.0205.000

983.0205.000

purple/black
purple/orange

2.29

979.0229.00+

979.0229.000

983.0229.000

2.54

979.0254.00+

979.0254.000

983.0254.000

purple/white

2.79

979.0279.00+

979.0229.000

983.0279.000

PumpsilAll flow rates shown were obtained pumping water at 20C (68F) with zero suction and delivery heads. Disclaimer:
The information contained in this document is believed to be correct but Watson-Marlow Limited accepts no liability for anyerrors it contains and reserves the right to alter specifications without notice. It is the users responsibility to ensure productsuitability for use within their application. Watson-Marlow, Qdos, ReNu, LoadSure, Bioprene, Pumpsil and Marprene aretrademarks of Watson-Marlow Limited. STA-PURE PFL® and STA-PURE PCS® are registered trademarks of W.L Gore &Associates Inc. Pharmed®, Tygon® and Tygon LFL® are registered trademarks of Saint-Gobain. Please state the productcode when ordering pumps and tubing.

wmpg.co.uk
info@wmpg.co.uk+44 (0) 1326 370370

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