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Polyscience LS51MX1A110C LS5 Benchtop Chiller , -20°C to 40°C, 1290W; 120V
Polyscience LS51MX1A110C LS5 Benchtop Chiller


Manufacturer's List Price: $5,991.25
Our Price: $5,328.69
Money Saved: $662.56

Condition: Brand New
Warranty: 2 Year Manufacturer's Warranty
Typically Ships Within: Same Business Day

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Quantity in Stock:1

Availability:: Usually Ships in 24 Hours
Product Code: LS51MX1A110C

Technical Specification Sheet

Polyscience LS51MX1A110C LS5 Benchtop Chiller with Centrifugal Pump, 120V, 60Hz

The LS-Series Compact Chiller provides cooling power for demanding applications and serves as an economical alternative to tap water cooling systems. It features a microprocessor-based controller, digital temperature display (C or °F), and simple operation and maintenance.

To optimize cooling efficiency and performance, this sophisticated Chiller also features a modulated refrigeration system. As a result, temperature stability is greatly enhanced and compressor life extended.

The Chiller is equipped with either a magnetic drive centrifugal pump or a turbine pump. Wetted parts within the recirculation system are brass, copper, stainless steel, EPDM rubber, Alcryn, nylon, PVC, and polyethylene.

  • Optimized for high performance at low temperatures
  • Capable of cooling multiple rotary evaporators
  • WhisperCool® Environmental Control System
  • Large, easy to read LED display
  • Space-saving design
  • Cooling at ambient temperatures as high as 35C
  • Low flow shutoff and alarm, high and low temperature alarms
  • Simple setup, operation, and maintenance
  • Centrifugal or turbine pump
  • Fluid level indicator
  • RS232 communication and external water filter optional
The Polyscience LS51MX1A110C LS5 Benchtop Chiller , -20°C to 40°C, 1290W; 120V includes:
  • Power Cord
  • Operator's Guide
  • Manufacturer's Documentation
  • 2 Year Manufacturer's Warranty

Polyscience LS51MX1A110C LS5 Benchtop Chiller with Centrifugal Pump, 120V, 60Hz Specifications

Key Specifications


LS Series 1/2 HP Benchtop Chiller, Centrifugal Pump; 14.5 psi; 13.2 l/min




Optional: RS232

Working Temperature Range C

-20° to 40°

Temperature Stability C


Temperature Calibration Capability


Pump Type


Part Number


Maximum Pressure (psi)


Maximum Pressure (bar)


Maximum Pressure Flow Rate (gpm)


Maximum Pressure Flow Rate (l/min)


Cooling Capacity @ -20C (W)


Cooling Capacity @ -10C (W)


Cooling Capacity @ -5C (W)


Cooling Capacity @ 0C (W)


Cooling Capacity @ +10C (W)


Cooling Capacity @ +20C (W)


Cooling Capacity @ +30C (W)


Cooling Capacity @ +40C (W)


Included Hardware

Two sets of Inlet/Outlet Adapters: ½ inch male NPT, 5/8 inch male NPT

Electrical Requirements (VAC/Hz/Ph/A)


Regulatory Approvals


Comparison of Models


Polyscience LM61GX1A110C LM6 Benchtop Chiller

Polyscience LM61MX1A110C LM6 Benchtop Chiller

Polyscience LS51M11A110C LS5 Benchtop Chiller

Polyscience LS51MX1A110C LS5 Benchtop Chiller

Polyscience LS51TX1A110C LS5 Benchtop Chiller

Working Temperature Range (°C)

-10° to 30°

-10° to 30°

-20° to 40°

-20° to 40°

-20° to 40°

Temperature Stability (°C)






Pump Type






Maximum Pump Pressure (psi)

5.1 psi

14.5 psi

9 psi

14.5 psi

43.4 psi

Maximum Pump Flow Rate (l/min)

7.9 l/min

13.2 l/min

14.8 l/min

13.2 l/min

9.8 l/min

Power Consumption (W)






Voltage (V)






Why Buy From Marshall Scientific?

Marshall Scientific's primary goal is to enhance your laboratory research at a more affordable price. Our industry-trained customer service team is always here to assist you along every step of your purchase, from initial product questions to technical support, and everything in-between. With our connection to some of the industry's largest manufacturers, we can ensure you receive the lowest price without sacrificing quality whatsoever.

Brand-New Products for Far Less than Retail

Most Pieces Ship within 1 to 3 Business Days

All Products are Fully Warrantied

Trained Customer and Technical Support

Industry Leading Overall Customer Satisfaction

Bausch + Lomb
Working with Marshall Scientific was overall an enjoyable experience. Their customer service really helped me choose the product that fit my needs, and checking out was easier than I expected. Shipping was faster than expected which was also a plus!
James M. / Bausch + Lomb
I have purchased a few items from Marshall Scientific over the years and I have always had great experiences with both the products and the customer support. Chat feature definitely makes both communicating and navigating easier. I would recommend this company to a colleague.
Lila B. / Caltech
I just received the two Polyscience chillers I ordered through your ecommerce store and I couldn't be happier with my purchase. Customer service was instrumental in helping me choose the correct model. Thanks again!
Nora F. / Sanofi
Working with Marshall Scientific has been an exceptional experience. Their team assisted me in selecting the perfect recirculating chiller for my research needs. Their expertise and guidance were invaluable, and I am grateful for their support. Marshall Scientific has been vital to the success of my research endeavors.
Zara K. / Ford
Collaborating with Marshall Scientific has been a truly exceptional experience. Their fast lead time for centrifuges is unparalleled, and their commitment to quality is evident in every aspect of their service. I would highly recommend them to anyone in need of a reliable and efficient scientific equipment supplier.
Mei L. / AWS
I recently ordered pipettes from Marshall Scientific and was impressed with their great selection and quality. The pipettes were exactly what I needed and worked perfectly. I would definitely order from them again.
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Mayo Clinic
The chat support I received while selecting a thermal cycler was exceptional. The representative was knowledgeable, patient, and helped me choose the perfect product for my needs. I am grateful for their assistance.
Anneliese M. / Mayo Clinic
University of Pennsylvania
I recently purchased a ChemiDoc imaging system from Marshall Scientific and was impressed with the great condition it arrived in. The shipping was professional and the system has been a valuable addition to my scientific research.
Tyler S. / University of Pennsylvania
Massachusetts Institute of Technology
The New Brunswick Incubator Shaker that I ordered from Marshall Scientific has just arrived and I cannot say enough how satisfied I am with my purchase. The shaker works like it came straight from the factory and the longer warranty is definitely a plus. I highly recommend Marshall to anyone looking for a company that stands behind their products.
Xiao L. / MIT
Mass General Hospital
My recently purchased microplate reader from Marshall Scientific has been a much needed addition to my lab. The reader is easy to use and provides accurate and reliable results. I have used it for various experiments including ELISA, cell viability assays, and protein quantification. The reader has greatly improved the efficiency and accuracy of my experiments. Thanks again!
Larisa R. / MGH
I purchased a recirculating chiller from Marshall Scientific three months ago and couldn't be happier. The Thermoflex 2500 is a great unit and has been working perfectly. I actually bought three of them and they have exceeded my expectations.
Gavril K. / Tesla
Columbia University
I recently purchased a laboratory freezer from Marshall Scientific and I am very pleased with my purchase. The freezer is of high quality and has been perfect for storing my research samples. I use it mostly for cell culture and protein storage and it seems to do the job just fine. The overall cosmetic condition of the unit is perfect.
Juan M. / Columbia University
I would like to extend a thanks to Kyle on the other side of Marshall Scientific's chat feature to help me select the right product for my laboratory needs. Kyle was knowledgeable and helped me choose the perfect equipment for my application. The chat feature was convenient and saved me time. I would definitely use it again in the future.
Yumi S. / Rivian
Quest Diagnostics
I recently received a Vicell cell counter from Marshall Scientific and I must say, I was anxious about making such a large purchase over the internet. However, the product arrived in perfect condition and has exceeded my expectations. I use it for various applications in my lab and it has been incredibly accurate and efficient. The professional shipping was also a plus. I will definitely be purchasing from Marshall Scientific again in the future.
Ethan S. / Quest Diagnostics
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