Constant Temperature Equipment

LPS offers a variety of affordable lab bath accessories and test tube racks to complement your constant temperature equipment. Our selection includes:

  • Lab Circulator Accessories: Our lab circulator accessories include pump kits, tubing, and adapters to optimize your laboratory equipment and ensure efficient and reliable temperature control.
  • Lab Bath Accessories: Our lab bath accessories include test tube racks, covers, and inserts to customize your laboratory equipment and accommodate a range of sample sizes and types.
  • Rinnai Recirculation Pump Kit: Our Rinnai recirculation pump kit is a tankless water heater recirculation pump designed to provide instant hot water for your laboratory needs.
  • Tankless Recirculation Pump Kit: Our tankless recirculation pump kit is an energy-efficient and cost-effective option for constant hot water circulation in your laboratory.

At LPS, we understand the importance of optimizing and customizing your laboratory equipment to fit your unique needs. That's why we offer a wide range of lab bath accessories and test tube racks, as well as comprehensive warranties and maintenance plans to ensure your equipment operates at peak performance.

Constant Temperature

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  1. Refrigerated Circulator, 28L, Standard Digital (-30° to 170°C), 120V, 60Hz
    SKU: SD28R-30-A11B-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $6,527.00 Special Price $5,303.19
  2. Open Bath, 28L, Polycarbonate, Advanced Programmable (Ambient +10° to 85°C), 240V, 50Hz
    SKU: AP28P100-A12E-EA
    Key Features: Open-mode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485 remote on/off 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 Includes Enhanced Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW™ Virtual Instrument) (1 per EA) Learn More
    was $4,661.00 Special Price $3,787.06
  3. Immersion Probe Cooler, IP-60, 1.5” Ø Rigid Coil Probe, (-60° to -20°C), 240V, 50Hz
    SKU: P60N2A102E-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $2,382.50 Special Price $2,084.69
  4. Heated Circulator, 28L, Standard Digital (Ambient +10° to 170°C), 240V, 50Hz
    SKU: SD28H170-A12E-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $3,432.25 Special Price $2,788.70
  5. Open Bath, 28L, Polycarbonate, Advanced Programmable (Ambient +10° to 85°C), 120V, 60Hz
    SKU: AP28P100-A11B-EA
    Key Features: Open-mode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485 remote on/off 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 Includes Enhanced Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW™ Virtual Instrument) (1 per EA) Learn More
    was $4,661.00 Special Price $3,787.06
  6. Immersion Probe Cooler, IP-60, 1.5” Ø Rigid Coil Probe, (-60° to -20°C), 120V, 60Hz
    SKU: P60N2A101B-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $2,382.50 Special Price $2,084.69
  7. Heated Circulator, 28L, Standard Digital (Ambient +10° to 170°C), 120V, 60Hz
    SKU: SD28H170-A11B-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $3,432.25 Special Price $2,788.70
  8. Open Bath, 23L, Polycarbonate, Advanced Programmable (Ambient +10° to 85°C), 240V, 50Hz
    SKU: AP23P100-A12E-EA
    Key Features: Open-mode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485 remote on/off 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 Includes Enhanced Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW™ Virtual Instrume (1 per EA) Learn More
    was $4,473.00 Special Price $3,634.31
  9. Immersion Probe Cooler, IP-35, 3” Ø Rigid Coil Probe, (-35° to +40°C), 240V, 50Hz
    SKU: P40N7A102E-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $3,049.50 Special Price $2,668.31
  10. Refrigerated Circulator, 20L, Standard Digital (-30° to 170°C), 240V, 50Hz
    SKU: SD20R-30-A12E-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $6,199.50 Special Price $5,037.10
  11. Open Bath, 23L, Polycarbonate, Advanced Programmable (Ambient +10° to 85°C), 120V, 60Hz
    SKU: AP23P100-A11B-EA
    Key Features: Open-mode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485 remote on/off 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 Includes Enhanced Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW™ Virtual Instrume (1 per EA) Learn More
    was $4,473.00 Special Price $3,634.31
  12. Immersion Probe Cooler, IP-35, 3” Ø Rigid Coil Probe, (-35° to +40°C), 120V, 60Hz
    SKU: P40N7A101B-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $3,049.50 Special Price $2,668.31
  13. Refrigerated Circulator, 20L, Standard Digital (-30° to 170°C), 120V, 60Hz
    SKU: SD20R-30-A11B-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $6,199.50 Special Price $5,037.10
  14. Open Bath, 20L, Stainless Steel, Advanced Programmable (Ambient +10° to 150°C), 240V, 50Hz
    SKU: AP20S150-A12E-EA
    Key Features: OpenMode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485, remote on/off 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 Includes Enhanced Performance Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW Virtual Instrument, iPhone application download) (1 per EA) Learn More
    was $4,009.25 Special Price $3,257.51
  15. Immersion Probe Cooler, IP-35 1.75” Ø Rigid Coil Probe, (-35° to +40°C), 240V, 50Hz
    SKU: P35N5A102E-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $2,861.25 Special Price $2,503.60
  16. Heated Circulator, 20L, Standard Digital (Ambient +10° to 170°C), 240V, 50Hz
    SKU: SD20H170-A12E-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $3,153.75 Special Price $2,562.43
  17. Open Bath, 20L, Stainless Steel, Advanced Programmable (Ambient +10° to 150°C), 120V, 60Hz
    SKU: AP20S150-A11B-EA
    Key Features: OpenMode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485, remote on/off 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 Includes Enhanced Performance Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW Virtual Instrument, iPhone application download) (1 per EA) Learn More
    was $4,009.25 Special Price $3,257.51
  18. Immersion Probe Cooler, IP-35, 1.75” Ø Rigid Coil Probe, (-35° to +40°C), 120V, 60Hz
    SKU: P35N5A101B-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $2,861.25 Special Price $2,503.60
  19. Heated Circulator, 20L, Standard Digital (Ambient +10° to 170°C), 120V, 60Hz
    SKU: SD20H170-A11B-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $3,153.75 Special Price $2,562.43
  20. Open Bath, 17L, Polycarbonate, Advanced Programmable (Ambient +10° to 85°C), 240V, 50Hz
    SKU: AP17P100-A12E-EA
    Key Features: Open-mode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485 remote on/off 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 Includes Enhanced Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW™ Virtual Instrument) (1 per EA) Learn More
    was $4,253.75 Special Price $3,456.18
  21. Immersion Probe Cooler, IP-100, 0.7” Ø Rigid Cold Finger Probe, (-100° to -60°C), 240V, 50Hz
    SKU: P10N8A102E-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $7,305.00 Special Price $6,391.88
  22. Refrigerated Circulator, 15L, Standard Digital (-30° to 170°C), 240V, 50Hz
    SKU: SD15R-30-A12E-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $5,762.50 Special Price $4,682.04
  23. Immersion Probe Cooler, IP-100, 0.7” Ø Rigid Cold Finger Probe, (-100° to -60°C), 120V, 60Hz
    SKU: P10N8A101B-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $6,767.50 Special Price $5,921.56
  24. Refrigerated Circulator, 15L, Standard Digital (-30° to 170°C), 120V, 60Hz
    SKU: SD15R-30-A11B-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capability (1 per EA) Learn More
    was $5,762.00 Special Price $4,681.63
  25. Open Bath, 14L, Polycarbonate, Advanced Programmable (Ambient +10° to 85°C), 240V, 50Hz
    SKU: AP14P100-A12E-EA
    Key Features: Open-mode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485 remote on/off 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 Includes Enhanced Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW™ Virtual Instrument) (1 per EA) Learn More
    was $4,008.50 Special Price $3,256.91
  26. Immersion Probe Cooler, IP-100, 3” Ø Rigid Coil Probe, (-100° to -60°C), 240V, 50Hz
    SKU: P10N6A102E-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $7,305.00 Special Price $6,391.88
  27. Heated Circulator, 15L, Standard Digital (Ambient +10° to 170°C), 240V, 50Hz
    SKU: SD15H170-A12E-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capabilit (1 per EA) Learn More
    was $2,928.50 Special Price $2,379.41
  28. Immersion Probe Cooler, IP-100, 3” Ø Rigid Coil Probe, (-100° to -60°C), 120V, 60Hz
    SKU: P10N6A101B-EA
    Key Features: Continuous cooling to temperatures as low as -100°C Designed to run at maximum cooling An economical alternative to dry ice or liquid nitrogen Excellent for trapping applications, freeze drying, and rapidly cooling small volumes of liquids (1 per EA) Learn More
    was $6,767.50 Special Price $5,921.56
  29. Heated Circulator, 15L, Standard Digital (Ambient +10° to 170°C), 120V, 60Hz
    SKU: SD15H170-A11B-EA
    Key Features: Large, universal icon and English display Swivel 180™ Rotating Controller On-board connectivity: RS-232 serial output On-screen prompts Automatic performance optimization Single-point calibration capabilit (1 per EA) Learn More
    was $2,928.50 Special Price $2,379.41
  30. Open Bath, 10L, Stainless Steel, Advanced Programmable (Ambient +10° to 150°C), 240V, 50Hz
    SKU: AP10S150-A12E-EA
    Key Features: OpenMode time/temperature programming (no restrictions on number of programs or steps) Intuitive 4.3” (10.9 cm) SmartTouch display 11 languages: French, German, Spanish, Chinese, Portuguese, Russian, Hindi, Arabic, Italian, Korean, English Variable speed pump with open- and closed-loop external circulation capability Swivel 180™ Rotating Controller On-board connectivity: USB, Ethernet, RS-232/RS-485, remote on/off 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 Includes Enhanced Performance Hardware & Software Package (Pt100 temperature probe, USB flash drive for data logging, stainless steel fittings and tubing adapters, PolyScience LabVIEW Virtual Instrument, iPhone application download) (1 per EA) Learn More
    was $3,779.00 Special Price $3,070.44
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