45 L Refrigerated & Heated Circulating Baths

Category Stirred / Circulating Baths
Manufacturer PolyScience
Country of manufacture the United States of America
Overview

Capable of reaching temperatures as low as -25°C, PolyScience Refrigerated/Heated Circulating Baths provide dependable temperature control for a wide variety of laboratory cooling applications.

Features

  • Working temperatures as low as -25°C and as high as +135°C
  • Temperature stabilities to ±0.005°C
  • Two controller types with large, intuitive displays and multiple communication options
  • Large bath openings and easy to clean surfaces
  • Swivel 180™ Rotating Controllers
  • LidDock™ self-stowing reservoir cover
  • DuraTop™ insulating, chemical-resistant top deck
  • WhisperCool™ Environmental Control System
  • Cool Command™ modulated refrigeration system
  • Reservoir drain
  • Washable air filter

PolyScience Refrigerated/Heated Circulators come with the following accessories:

  • Reservoir cover
  • Bypass tubing
  • Male inlet and outlet adapters for 3/8, 1/4, and 3/16" (.95, .63, and .47 cm) tubing
  • 6' (1.83m) standard grounded electrical cord.

Controller Comparison

Specifications and features for the PolyScience 45L Refrigerated & Heated Circulating Baths vary based on the controller chosen.  Some key specifications are in the table below, and additional features for each controller are listed on the tabs above. 

 

Advanced Programmable

Advanced
Digital

Temp. Range (°C)

-25 to +135

-25 to +135

Cooling (@ 20°C)

1400

1400

Heating

2200 W

2200 W

Temp. Stability

±0.005°C

±0.01°C

Display

4.3" SmartTouch Touchscreen

3.75" Touch-Pad LCD

Resolution Set/Read

0.01/0.001

0.01/0.01

Programmability

Open-mode

N/A

Included Software

PolyTemp, TDMS file, USB driver, Time/Temperature Program Generator, PolyTemp Remote iPhone application

PolyTemp , USB driver

Temperature Calibration Capapility

10-point

1-point

Connectivity Options

Ethernet, USB, RS232/address RS485, External Temperature Probe

Ethernet, USB, RS232/address RS485, External Temperature Probe

External Temp. Control

Yes (probe not included)

Yes (probe not included)

Pump

Pressure/Suction, Variable-Speed

Pressure/Suction, Variable-Speed

External Circulation

Open or closed loop

Open or closed loop

Max Pressure (psi)

4.3

4.3

Max Flow Rate

20.1

20.1

Hardware

Nylon hose adapters for 3/8", 1/4", and 3/16"

Nylon hose adapters for 3/8", 1/4", and 3/16"

Safety Rating*

DIN 12876-1 Class III

DIN 12876-1 Class III


*DIN 12876-1 Class III devices are rated for use with flammable liquids.  DIN 12876-1 Class I devices may be used with non-flammable liquids only.

Advanced Programmable Controller Features

  • Time/temperature programming (open mode)
  • Intuitive 4.3” (10.9 cm) SmartTouch™ display
  • 11 languages including: French, German, Spanish, Chinese, Arabic, English
  • Variable speed pump with open- and closed-loop external circulation capability
  • Swivel 180™ Rotating Controller
  • On-board connectivity: USB-A & B, Ethernet, RS232/485, and external temperature probe
  • Event scheduling (time & date) with real-time clock
  • Review temperature trends for up to 10 days
  • Multiple selectable “home” screens
  • On-screen help
  • Automatic and/or user-adjustable performance optimization
  • 10-point calibration capability

    Advanced Digital Controller Features

    • Intuitive 3.75” (9.5 cm) display with touch-pad control
    • 4 languages: French, German, Spanish, English
    • Swivel 180™ Rotating Controller
    • On-board connectivity: USB-A & B, Ethernet, RS232/485, and external temperature probe
    • On-screen prompts
    • Automatic performance optimization and specific heat tuning
    • Single-point calibration capability

     

    Please note: Polyscience Refrigerated & Heated Circulating Baths are manufactured at the time the order is placed and have a 2-3 week lead time.

    Key Attributes

    Type

    Stirred / Circulating Baths

    Incubation

    Yes

    Refrigeration

    Yes

    Temp Range (°C)

    Ambient -25 to 135

    Capacity (L)

    45

    Circulation Internal & External

    Brand

    PolyScience

    MaxFlow Rate (l/min)

    20.1, 11

    Temp Stability (°C)

    ±0.005, ±0.01

    Timer

    Yes

    Alarms

    Yes

    Digital or Mechanical

    Digital

    Data connection

    Yes

    Tank Material

    Stainless Steel

    Sample Agitation

    No

    Media Racks Available

    No

    Warranty (years)

    2

    Weight (lb)

    180

    Width (in)

    35.8

    Depth (in)

    22.4

    Height (in)

    42.1

     

    Manufacturer specifications 

    Common specifications 
    See 'Controller Comparison' tab for controller specifics such as: working temp, nominal cooling capacity, temp stability, display resolution, pump specs, temperature calibration and control, programming specs, and safety class information.

    Reservoir Capacity (liters)

    45

    Reservoir/Tank Material

    Stainless Steel

    Reservoir Cover

    Included

    DuraTop/LidDock/Cleanable Air Filter  

    Yes

    Working Access (L x W x D) (inches)

    21.6 x 15.68 x 5.5

    Over-Temperature Protection / Failsafe Heater Control

    Yes

    Low Liquid Level Protection

    Yes

    WhisperCool Environmental Control Technology

    Yes

    Cool Command Refrigeration Technology

    Yes

    Reservoir Drain

    Yes

    Fluid Optimization/Specific Heat Tuning

    Automatic and/or user-adjustable

    Maximum Ambient Temperature °C

    35

    Overall Dimensions (L x W x H) (inches)

    35.8 x 22.4 x 42.1

    Refrigerant

    R404A

    Maximum Suction Flow Rate (l/min)

    14.7

    Cooling Capacity @ -20°C (W)

    250

    Cooling Capacity @ 0°C (W)

    505

    Cooling Capacity @ +20°C (W)

    800

    Cooling Capacity @ +100°C (W)

    1400

    Heater Wattage

    1400

    Electrical Requirements (VAC/Hz/Ph/A)

    230/60/1/13

    Regulatory Approvals

    ETL

    Shipping Weight (pounds)

    180

     

    FAQ

    What materials of the circulating bath come into contact with the bath liquid?

    The wetted parts of the instrument are all 300 series stainless steel.

     

    I would like to perform a heating / cooling program where the temperature ramps from one set point to another over time. Are the PolyScience 45 L Refrigerated & Heated Circulating Baths capable of this?

    That depends on the controller used. Only the Advanced Programmable and Performance Programmable controllers can be programmed to perform ramps.

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