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Reliable Lab Baths for Precise Temperature Control and Consistent Sample Performance

Lab baths are essential tools in life science, molecular biology, and general laboratory environments, providing stable, controlled temperature conditions for warming, thawing, incubating, and preparing samples. MIDSCI™ offers a complete selection of water baths, dry baths, bead baths, circulators, and shaking baths, each designed to deliver excellent temperature uniformity and dependable performance across a range of workflows.

Constructed from durable materials, modern lab baths feature advanced digital controls, efficient heating systems, and benchtop‑friendly footprints for space‑conscious labs. Whether you require a waterless bead bath for clean, dry heating, a dry bath for molecular biology sample prep, or a circulating bath for high‑stability temperature control, MIDSCI’s selection provides reliable solutions for all applications.

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Circulating Water Bath
 
SHEL LAB Circulating Water Baths are an excellent choice for research and quality control applications. They are highly accurate, easy-to-use, rugged and safe. Features include:

  • Microprocessor Control
  • Easy-To-Clean Polymer-Coated Tanks
  • Air Jacket Heating Eliminates Hot Spots
  • Recessed Heating Element Prevents Burnout
  • 2 year limited warranty, excludes tank

The stainless steel cover is included with the purchase of this model. The use of covers is suggested since they allow maximum temperature range and help maintain better temperature uniformity.

Item#:
ASH2OBATHS10

Operating features

  •   -25°C to 150°C for RW-25G / -35°C to 150°C for RW-40G.

  •   Microprocessor PID control / Auto-tuning / Calibration.

  •   Digital timer : 1 min to 99 hr 59 min, delayed ON / OFF.

  •   Over-temperature limit and low fluid level protection.

  •   Conveniently preset 3most commonly used temperature settings.

  •   Digital LED display (0.1°C resolution) with splash-proof keypads. 

  •   RS-232 interface available.
  •   18 months standard warranty

    Constructional features
  •   Turbulence reduced five-speed duplex pump and built-in cooling coil let you use in an open or closed 
    bath environment (1 to 3 steps of pump for internal circulation / 4 and 5 steps for external circulation)

  •   Baffle plate screens circulator, heater, and sensor to minimize turbulence in the bath fluids and to protect 
    the samples and user from direct contact with the heating or cooling element.

  •   Dry-running protection; automated heating element cut-off and audible and visual warning. 

  •   Seamless stainless steel tank with a reservoir drain that resists corrosion and make cleaning easy.

  •   Use CFC-free refrigerant R-134A, R-404A and double service valve to prevent the leakage of refrigerant.


    Specifications


    Model

    RW-2025G

    Bath volume (L/cu ft)

    20.0 / 0.7

    Temperature Stability 1) (±°C/°F)

    0.05 / 0.09

    Cooling

    at -20°C (-4°F),W

    260

    capacity

    at 0°C (+32°F),W

    410

     

    at +20°C (+68°F),W

    560

     

    Refrigerator

    1/2 LBP, R-404A

    Pump

    Max. pressure,

    max. flow rate

    Max. suction flow rate3)

    Dimensions

    Bath opening/ depth 

    290x214, 200 

    (WxL, D)(mm/inch)

    / 11.4x8.4, 7.9

    Overall 

    380x560x825

    (WxLxH)(mm/inch)

    / 15.0x22.0x32.5

    Net weight(kg/lbs)

    60.0 / 132.2

    Electrical Requirements

    12.8A

    (230V, 60Hz)

    Cat. No.

    AAH57021K


    1) Technical data (according to DIN 12876)
    2) The cooling capacity is measured on a 230V/ 50Hz electrical condition. 
    3) The additional suction function is optional.


    Model

    RW-0540G

    RW-1040G

    RW-2040G

    RW-3040G

    Bath volume (L/cu ft)

    5.0 / 0.2

    10.0 / 0.4

    20.0 / 0.7

    30.0 / 1.1

    Working Temperature Rang2) (°C/°F)

    -35 to 150 / -31 to 302

    Temperature Stability 1) (±°C/°F)

    0.05 / 0.09

    0.05 / 0.09

    0.05 / 0.09

    0.08 / 0.14

    Cooling
    capacity

    at -20°C (-4°F),W

    80

    150

    400

    440

    at 0°C (+32°F),W

    150

    330

    660

    700

    at +20°C (+68°F),W

    280

    450

    800

    880

    Refrigerator

    1/2 LBP, R-404A

    1/2 LBP, R-404A

    3/4 LBP, R-404A

    1 LBP, R-404A

    Pump

    Max. pressure, 
    max. flow rate

    5.9 PSI (406.8 millibar), 7.4 gallons/minute (28.0 liters/minute)

    Max. suction flow rate3)

    2.6 gallons/minute (10.0 liters/minute)

    Dimensions

    Bath opening/ depth 
    (WxL, D) (mm/inch)

    150x99, 160
    / 5.9x3.9, 6.3

    211x154, 180
    / 8.3x6.1, 7.1

    290x214, 200
    / 11.4x8.4, 7.9

    300x264, 230
    / 11.8x10.4, 9.0

    Overall 
    (WxLxH) (mm/inch)

    302x438x690
    / 11.9x17.2x27.2

    360x490x780
    / 14.2x19.3x30.7

    380x560x825
    / 15.0x22.0x32.5

    440x620x895
    / 17.3x24.4x35.2

    Net weight (Kg/lbs)

    38.0 /83.8

    44.0 / 97.0

    60.0 / 132.2

    67.0 / 147.7

    Electrical Requirements
    (230V, 60Hz)

    8.5A

    10.7A

    13.8A

    14.8A

    Cat. No.

    AAH57101K

    AAH57111K

    AAH57121K

    AAH57131K

    Electrical Requirements 
    (230V, 50Hz)

    8.5A

    10.7A

    13.8A

    14.8A

    Cat. No.

    AAH57102K

    AAH57112K

    AAH57122K

    AAH57132K

    * RW-0540G, 1040G, 2040G, 3040G series are provided ONLY for 230 voltage.
    1) Technical data (according to DIN 12876)
    2) The cooling capacity is measured on a 230V/ 50Hz electrical condition. 
    3) The additional suction function is optional.

    • Item#:
    ASH2OBATHS4
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