Lab Procurement Services offers a comprehensive range of high-quality, affordable constant temperature equipment to handle a variety of applications.  Please see individual categories for

As well as the Parts and Accessories sections.  Our experts are here to help with product selection and quotations - give us a call, or set up a meeting!

Before ordering, check the temperature range against your method: the digital water baths here cover ambient +5° to 99°C, while refrigerated circulators reach -30°C at the low end and up to 170°C at the high end. Compare bath volume, and for chillers the cooling capacity (in kW or HP) and pump type, since the DuraChill CA chillers are listed with either a turbine or a positive displacement pump. Confirm voltage and frequency (120V 60Hz, 208-240V or 230V). Plan for the bath fluid too, such as polycool glycol mixes for below-ambient work and algae inhibitor for water baths, plus the fittings, lids and bypass kits your setup needs.

Constant Temperature: common questions

What is constant temperature equipment?

Constant temperature equipment holds samples, vessels or connected instruments at a set temperature. It includes water and bead baths, heated and refrigerated circulators, recirculating chillers, immersion coolers, general-purpose, CO2 and shaking incubators, humidity test chambers and plant growth chambers. The right choice depends on temperature range, stability, capacity, and whether you need to heat, cool or both.

What is the difference between a circulator and a chiller?

A circulator has a bath with a heater, often refrigeration, and a pump that can control the bath itself or circulate fluid through external equipment. A recirculating chiller is mainly built to remove heat, supplying cooled fluid to equipment such as rotary evaporators, condensers or lasers. Chillers typically focus on cooling capacity, while circulators offer wider temperature ranges and their own working bath.

What fluid should I use in a lab bath or circulator?

Distilled or deionized water is commonly used for moderate temperatures, often with an algae inhibitor to keep the bath clean. For temperatures near or below freezing, a water and glycol mix is typical, and specialty fluids or oils are used at higher temperatures. Use a fluid rated for your full operating range and approved by the equipment manufacturer.

Can I get a quote on a chiller or incubator?

Yes. Volume and quote pricing is available through the Contact Us page, and approved business accounts can pay by purchase order. Larger equipment often ships directly from the manufacturer, so lead times vary by item. Include the model, voltage and quantity in your request so the quote matches what you need.

Constant Temperature

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  1. CHILLER -10C 120/60 G3 PSC
    Manufacturer: Polyscience Corp
    CHILLER -10C 120/60 G3 PSC (1 per EA )
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    was $6,180.25 Special Price $5,797.08
  2. Ministat 230, 208-240V 1~/2~ 50/60Hz
    Manufacturer: Huber USA Inc
    Ministat 230 with controller "Pilot ONE" Refrigerated Heating Circulator Bath Temperature range: -40 ... 200 °C Cooling capacity (20°C): 0,42 kW Cooling capacity (0°C): 0,38 kW Cooling capacity (-40°C): 0,05 kW Heating capacity: 1,6 - 2,1 kW Pressure pump max.: 22 l/min / 0,7 bar Suction pump max. : 16 l/min / 0,4 bar Pump connection: M16x1 male Bath volume: 3,5 l Power supply: 208-240V 1~/2~ 50/60Hz - with natural refrigerant (1 per EA )
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    was $12,400.00 Special Price $10,722.35
  3. Climacell 222 EVO
    Manufacturer: BMT USA
    The Climacell EVO stability & photostability chamber provides exact and reproducible simulation of various conditions. The wide range of adjustable parameters includes the optional, 160°C sterilization cycle. Patented features such as the bi-directonal air flow allow for precise temperature & humidity uniformity make the Climacell EVO ideal for the simulation of numerous conditions for application in many fields of testing and research. Control is simple via the color LCD touch screen, with the fuzzy logic microprocessor combined with a variety of data output options and 30 day data logging meet the most demanding conditions of pharmaceutical, cosmetic, electronic, industrial and food industries. Optional programmable lighting (UV and VIS) for stability and photostability according to ICH Q1A R and Q1B Option 2 is available. Volumes: 111, 222, 404, 707, 1212 litres Working temperature: 0degC up to 100degC Humidity 10percent - 98percent from 10degC ( - 20.0degC to 100degC option available) Interior: 540 x 530 x 765 mm 21.2" x 20.9" x 30.1" Exterior: 780 x 885 x 1450 mm 20.7" x 34.8" x 57.1" -Stainless steel seamless chamber AISI 304 -Removable inner chamber walls -Self-diagnostic 3 wire PT-100-sensors JUMO -Galvanized steel anti-scratch painted housing -Interior hardened glass door -Compressor cooling system w/ R134a or R404a -Effcient silent fan with adjustable rate -Ergonomical door grip with safety locks -Precise temperature control w/ Fuzzy logic microprocessor -5.7 inch color touch screen -Multi-level user dependant functions and user administration -100 programs with up to 100 segments for each program -Programing temperature ramps & delayed start and stop function -Self diagnostic programs for quick troubleshooting -Integrated datalogger, up to 30 days of process data -Acoustic and visual alarms -Digital security device type 3 -Integrated door alarm -USB Host and RS 232 data interface -SD card reader incl. 8 GB SD card -Multi-language communication -Casters, swivel and lock -2 stainless steel shelves included -Steam generator: humidification / dehumidification (1 per EA )
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    $25,830.48
  4. Open Bath, 28L, Stainless Steel, Advanced Digital (Ambient +10° to 150°C), 120V, 60Hz
    Manufacturer: Polyscience Corp
    PolyScience Circulating Baths are as precise as they are reliable. Every product comes equipped with innovative proprietary features, from the quiet, energy-efficient heat removal of our WhisperCool™ Environmental Control System to the fast-acting temperature control of Cool Command™ Technology. Our Circulating Baths are easy to use, offering interface controller flexibility, clear navigational buttons and menu prompts, ergonomic design for easy repositioning and simple fluid connections. These hard-working machines were designed to make your life easier and more productive. (1 per EA)
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    was $3,698.00 Special Price $3,468.73
  5. Open Bath, 14L, Polycarbonate, MX (Ambient +10° to 85°C), 240V, 50Hz
    Manufacturer: Polyscience Corp
    Key Features: Large, universal icon and English display On-screen prompts Single-point calibration capability (1 per EA)
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    was $2,256.00 Special Price $2,116.13
  6. ISS-7200 Incubated Shaker, 120V, 60Hz
    Manufacturer: Jeio Tech
    ISS-7200 Incubated Shaker Category=Incubators 120V, 60Hz Plug=NEMA 5-15P HS Code=8419.89.9090 (1 per EA)
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    $14,933.00
  7. Stand w/6 Bolts,7L Bioreactor
    Manufacturer: Bellco Glass Inc
    Bioreactor Stand w/ 6 Bolts for 7L bioreactor (1 per EA )
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    $2,078.17
  8. COMPACT CONSTANT TEMPERATURE OIL BATH DIGITAL 7L 115V
    Manufacturer: Yamato Scientific America
    Easy to use, digital setting, compact design oil bath (1 per EA )
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    was $2,695.00 Special Price $2,405.29
  9. PROGRAMMABLE REFRIGERATED ECO INCUBATOR 286L 220V
    Manufacturer: Yamato Scientific America
    PROGRAMMABLE REFRIGERATED ECO INCUBATOR 286L 220V (1 per EA )
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    was $13,665.00 Special Price $12,196.01
  10. CHILLER -20C 220-240/50 G3 UV PSC
    Manufacturer: Polyscience Corp
    CHILLER -20C 220-240/50 G3 UV PSC (1 per EA )
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    was $6,578.00 Special Price $6,170.17
  11. TC45, 110-120V 1~ 50/60Hz
    Manufacturer: Huber USA Inc
    TC45 Immersion Cooler Temperature range: -45 ... 100 °C Cooling capacity (0°C): 0,24 kW Cooling capacity (-40°C): 0,05 kW Power supply: 110-120V 1~ 50/60Hz - with natural refrigerant (1 per EA )
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    was $5,780.00 Special Price $4,998.00
  12. KISS K20, 110-120V 1~ 50/60Hz
    Manufacturer: Huber USA Inc
    KISS K20 with new controller "KISS" Refrigerated Heating Bath Temperature Range: -30 ... 200 °C Cooling capacity 20°C: 0,4 kW Cooling capacity 0°C: 0,35 kW Cooling capacity -20°C: 0,16 kW Heating capacity: 1,5 kW Pressure pump max.: 14 l/min / 0,25 bar Suction pump max.: 10,5 l/min / 0,17 bar Bath volume: 17 l Power supply: 110-120V 1~ 50/60Hz optional: Pump connection: M16x1 male - with natural refrigerant - RS232/serial with the LAI commands G,v,L; (SpyLight compatible) (1 per EA )
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    was $12,350.00 Special Price $10,679.12
  13. Ministat 230, 110-120V 1~ 60Hz
    Manufacturer: Huber USA Inc
    Ministat 230 with controller "Pilot ONE" Refrigerated Heating Circulator Bath Temperature range: -40 ... 200 °C Cooling capacity (20°C): 0,42 kW Cooling capacity (0°C): 0,38 kW Cooling capacity (-40°C): 0,05 kW Heating capacity: 1,5 kW Pressure pump max.: 22 l/min / 0,7 bar Suction pump max. : 16 l/min / 0,4 bar Pump connection: M16x1 male Bath volume: 3,5 l Power supply: 110-120V 1~ 60Hz - with natural refrigerant (1 per EA )
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    was $12,400.00 Special Price $10,722.35
  14. Climacell 222 ECO
    Manufacturer: BMT USA
    The Climacell ECO patented air movement system directs air both vertically & horizontally. This leads to an excpetional uniform temperature profile throughout the chamber and short heating times. When precise temperature and humidity control is required the Climacell ECO's design delivers uniform distribution of both tempeture and humidity. The Climacell ECO conforms to both ICH Q1A and Q1B stability and photostability standards as well as other application such as shelf life, materials testing and insect rearing. Volumes: 111, 222, 404, 707, 1212 litres. Working temperature: 0 degC above ambient temperature up to 100 degC. Humidity Range 10 - 98 percent from 10degC ( - 10degC option available) Interior: 540 x 520 x 760 mm 21.2 x 20.3 x 29.9" Exterior: 760 x 900 x 1370 mm 29.9 x 35.4 x 42.9" -Microprocessor control Fuzzy Logic -3-conductors PT-100 control sensor -Integrated RS 232 for Warmcomm or print -3 inch transreflective LCD COG display -Keyboard block of unauthorized access -Integrated USB Device for Warmcomm -Electronical security device type 2 -Galvanized sheet metal painted exterior -Inner walls from stainless steel -Exhaust duct -Click out inner walls -Up to 2 segments, up to 99 cycles -2 chrome plated trays included -9 programs -Acoustic and visual alarm -Real time feature (1 per EA )
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    $32,499.38
  15. Friocell 55 P ECO
    Manufacturer: BMT USA
    Friocell 55 P ECO (1 per EA )
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    $8,711.73
  16. Friocell 55 ECO
    Manufacturer: BMT USA
    Friocell 55 ECO (1 per EA )
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    $9,829.64
  17. Friocell 111 ECO
    Manufacturer: BMT USA
    Friocell 111 ECO (1 per EA )
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    $11,803.12
  18. OIL BATH DIGITAL 5L 100-115V
    Manufacturer: Yamato Scientific America
    Easy to use, digital setting, compact design oil bath (1 per EA )
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    was $915.00 Special Price $816.64
  19. REFRIGERATED INCUBATOR PROGRAMMABLE 143L 220V
    Manufacturer: Yamato Scientific America
    REFRIGERATED INCUBATOR PROGRAMMABLE 143L 220V (1 per EA )
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    was $6,340.00 Special Price $5,658.45
  20. GENERAL PURPOSE INCUBATOR WITH WINDOW 318L 220V 3.5A 50/60Hz
    Manufacturer: Yamato Scientific America
    Yamato GENERAL PURPOSE INCUBATOR WITH WINDOW 318L 220V 3.5A 50/60Hz have part number IC-813CW, are new, and come with full Yamato warranty. Natural Convection Incubators are economical general-purpose incubator. Some of its functions and features are: sp (1 per EA )
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    was $4,770.00 Special Price $4,257.23
  21. REFRIGERATED INCUBATOR PROGRAMMABLE 143L WITH WINDOW & MK-161 SHAKER 220V
    Manufacturer: Yamato Scientific America
    REFRIGERATED INCUBATOR PROGRAMMABLE 143L WITH WINDOW & MK-161 SHAKER 220V (1 per EA )
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    was $10,260.00 Special Price $9,157.05
  22. Test Tube Rack, Polycarbonate, 10-18 mm, holds 24 maximum (Circulating Baths)
    Manufacturer: Polyscience Corp
    Polycarbonate Rack, 10-18 mm, holds 24 maximum EA /1 (1 per EA)
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    $276.00
  23. DC31, 110-120V 1~ 50/60Hz
    Manufacturer: Huber USA Inc
    DC31 Flowcooler Temperature range: -30 ... 50 °C Cooling capacity (15°C): 0,4 kW Cooling capacity (0°C): 0,35 kW Pump connection: M16x1 male Power supply: 110-120V 1~ 50/60Hz - with natural refrigerant (1 per EA )
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    was $8,530.00 Special Price $7,375.95
  24. TC45E-F, 110-120V 1~ 50/60Hz
    Manufacturer: Huber USA Inc
    TC45E-F Immersion Cooler Temperature range: -45 ... 100 °C Cooling capacity (0°C): 0,24 kW Cooling capacity (-40°C): 0,05 kW Power supply: 110-120V 1~ 50/60Hz with flexible evaporator coil and natural refrigerant (1 per EA )
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    was $6,870.00 Special Price $5,940.53
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