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
- Baths (water and dry)
- Chillers
- Circulators
- Incubators (CO2, General Purpose, and Shaking)
- Humidity Test Chambers and Plant Growth Chambers
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.
Shop by type: Incubators, General · Baths · Circulators · Chillers · Bath Accessories · Chiller Parts · Incubator Parts · Humidity Test Chambers · CO2 Incubators · Plant Growth Chambers · Shaking Incubators · Circulators PA
Top brands: Polyscience Corp · BMT USA · Benchmark Scientific
Popular Constant Temperature:
Constant Temperature
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MyBath™ 4L Digital Water Bath, 230VSKU: B2000-4-E-EAManufacturer: Benchmark ScientificMyBath 4L Digital Water Bath, 230V, EA /1 (1 per EA)Learn Morewas $1,219.39 Special Price $1,088.31 -
SB-12L Shaking Water Bath, 230VSKU: SB0012-E-EAManufacturer: Benchmark ScientificSB-12L Shaking Water Bath, 230V, EA /1 (1 per EA)Learn Morewas $3,669.96 Special Price $3,275.44 -
MyTemp™ Mini Digital Incubator, with heating and cooling 230VSKU: H2200-HC-E-EAManufacturer: Benchmark ScientificMyTemp Mini Digital Incubator, with heating and cooling 230V, EA /1 (1 per EA)Learn Morewas $986.55 Special Price $880.50 - Test Tube rack for 40 x 1.5/2.0 ml tubesSKU: B2000-4-T1520-EAManufacturer: Benchmark ScientificTest Tube rack for 40 x 1.5/2.0 ml tubes, EA /1 (1 per EA)Learn Morewas $107.65 Special Price $102.04
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Test Tube rack for 76 x 15 ml tubesSKU: B2000-8-T150-EAManufacturer: Benchmark ScientificTest Tube rack for 76 x 15 ml tubes, EA /1 (1 per EA)Learn Morewas $248.43 Special Price $235.49 -
SureTemp ™ Dual Convection Incubator, 40 Liters with SureTemp Data Logging Software, 115VSKU: H2505-40-EAManufacturer: Benchmark ScientificSureTemp Dual Convection Incubator, 40 Liters with SureTemp Data Logging Software, 115V, EA/1 REQ LTL SHIPPING (1 per EA)Learn Morewas $2,380.09 Special Price $2,124.22 -
SureTherm CO2 Incubator, 45LSKU: H3565-45-EAManufacturer: Benchmark ScientificSureTherm CO2 Incubator, 45L (1 per EA)Learn Morewas $6,434.45 Special Price $5,961.33 -
Extra Shelf, stainless steel, for H2505-130SKU: H2505-130SH-EAManufacturer: Benchmark ScientificExtra Shelf, stainless steel, for H2505-130, EA/1 (1 per EA)Learn Morewas $158.86 Special Price $150.59 -
MyTemp™ Mini CO2 Digital Incubator, 115VSKU: H2300-HC2-EAManufacturer: Benchmark ScientificMyTemp Mini CO2 Digital Incubator, 115V, EA /1 (1 per EA)Learn Morewas $4,795.29 Special Price $4,279.79 - MyBath™ 8L Digital Water Bath, 230VSKU: B2000-8-E-EAManufacturer: Benchmark ScientificMyBath 8L Digital Water Bath, 230V, EA /1 (1 per EA)Learn Morewas $1,297.68 Special Price $1,158.18
- MyBath™ 2L Digital Water Bath, 230VSKU: B2000-2-E-EAManufacturer: Benchmark ScientificMyBath 2L Digital Water Bath, 230V, EA /1 (1 per EA)Learn Morewas $732.87 Special Price $654.09
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MyBath™ 12L Digital Water Bath, 115VSKU: B2000-12-EAManufacturer: Benchmark ScientificMyBath 12L Digital Water Bath, 115V, EA /1 (1 per EA)Learn Morewas $1,547.96 Special Price $1,381.56 -
Gable lid for 10L circulating bath, eachSKU: B2023-GL10-EAManufacturer: Benchmark ScientificGable lid for 10L circulating bath, each (1 per EA)Learn Morewas $91.94 Special Price $87.15 -
Stacking kit for 45 liter incubatorSKU: H3550-45-SK-EAManufacturer: Benchmark ScientificStacking kit for 45 liter incubator (1 per EA)Learn More$413.40 -
IncuView Integrated Microscop Shelf, 180L (For H3565-180, 180HD and 180HDO2 Only)SKU: H3565-180-LCI-EAManufacturer: Benchmark ScientificIncuView Integrated Microscop Shelf, 180L (For H3565-180, 180HD and 180HDO2 Only) (1 per EA)Learn Morewas $5,318.02 Special Price $4,926.98 - Test Tube rack for 41 x 15 ml tubesSKU: B2000-4-T150-EAManufacturer: Benchmark ScientificTest Tube rack for 41 x 15 ml tubes, EA /1 (1 per EA)Learn Morewas $129.53 Special Price $122.79
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Extra Shelf, 12.0 x 15.0in, stainless steelSKU: H2265-SH-EAManufacturer: Benchmark ScientificExtra Shelf, 12.0 x 15.0in. , stainless steel , EA /1 (1 per EA)Learn Morewas $136.36 Special Price $129.26 -
IncuView Integrated Microscop Shelf, 45L (For H3565-45 Only)SKU: H3565-45-LCI-EAManufacturer: Benchmark ScientificIncuView Integrated Microscop Shelf, 45L (For H3565-45 Only) (1 per EA)Learn Morewas $5,104.61 Special Price $4,729.27 -
myBath™ CR Circulating Water Bath, 10L, 115VSKU: B2023-10-EAManufacturer: Benchmark ScientificmyBath™ CR Circulating Water Bath, 10L, 115V (1 per EA)Learn Morewas $1,289.45 Special Price $1,150.83 -
Optional O2 gas regulatorSKU: H3565-O2REG-EAManufacturer: Benchmark ScientificOptional O2 gas regulator (1 per EA)Learn Morewas $443.71 Special Price $420.60 -
Extra Shelf, stainless steel, for H2505-40SKU: H2505-40SH-EAManufacturer: Benchmark ScientificExtra Shelf, stainless steel, for H2505-40, EA/1 (1 per EA)Learn Morewas $158.86 Special Price $150.59 -
Extra Shelf, stainless steel, for H2505-70SKU: H2505-70SH-EAManufacturer: Benchmark ScientificExtra Shelf, stainless steel, for H2505-70, EA/1 (1 per EA)Learn Morewas $158.86 Special Price $150.59 -
SureTherm CO2 Incubator, 180L with High heat Decontamination, Split Window Door and O2 controlSKU: H3565-180HDO2-EAManufacturer: Benchmark ScientificSureTherm CO2 Incubator, 180L with High heat Decontamination, Split Window Door and O2 control (1 per EA)Learn Morewas $13,429.04 Special Price $12,441.61 -
BeadBath Duo, 2L bath, 230VSKU: B2402-E-EAManufacturer: Benchmark ScientificThe BeadBath Duo series are the first laboratory baths designed for precision temperature control when used with water, or with (the increasingly popular) Lab Armor® thermal beads. Unlike any other laboratory bath, they feature a “MODE” button that can be (1 per EA)Learn Morewas $864.92 Special Price $771.95
- Manufacturer Benchmark Scientific Remove This Item
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Procure-to-Pay software solutions and process consulting
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