Watson-Marlow 120S/DM2 Peristaltic Pump
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Watson-Marlow 120S/DM2 Peristaltic Pump

The Watson-Marlow 120S pump is comprised of a twin channel pump head powered by a 120 variable speed or automatic drive. The pumphead accepts 0.8mm wall, three-bridge manifold tubing in sizes from 0.13 to 2.79mm internal diameter. The 120S offers 1-100 rpm operation in 1 rpm increments. It features speed scrolling, priming and keypad lock.

Watson-Marlow 120S/DM2 Peristaltic Pump

Fermentation

The 120S is the perfect pump for maximising yield in fermentation and cell culture applications. Ultra-compact and stackable for multiple feeds such as pH control, antifoam, nutrient and buffer addition, the 120 offers the ideal combination of size and technology to optimise your process.

Single-use systems

The 120S pump is perfectly suited to single-use systems where no contamination can be accepted. Error-free tube change takes only seconds.

Process validation

The biopharm process requires accurate and repeatable pumping which is easy to validate. With an exceptional 1,000:1 speed range, the 120 delivers the flexibility and purity so vital to drug trials. A keypad lock secures your pumping parameters for constant and repeatable performance.

Intuitive use

An intuitive interface makes the pump easy and quick to set up, with fewer key presses for fewer mistakes, bringing maximum efficiency to your process.

Compact footprint

The compact, stackable 120 pump saves valuable space in cleanroom, LAF and biosafety cabinet installations.

Manual control
Manual control
1 to 100rpm (100:1)
Numerical speed display
Direction change
Max (prime)
Auto start
Security
Security
Keypad lock to protect set-up
Ingress rating
Ingress rating
IP31 / NEMA 2
Enclosure
Enclosure
Wipedown
Suitability
Suitability
Dry light-industrial environments
Humidity
Humidity
Non-condensing 80% up to 31C, 88F, decreasing linearly to 50% at 40C (104F)
Temperature
Temperature
5C to 40C (40F to 104F)
Pump weight
Pump weight
1.70kg (3lbs 11oz)
Control ratio
Control ratio
120S: 100:1
Torque rating
Torque rating
0.4Nm continuous duty
Noise
Noise
< 60dB(A) at 1m
Standard
Standard
CE, cETLus
Power supply
Power supply
24VDC from mains transformer supplied (mains supplyrange 90~264VAC 47~63Hz)