Heating Circulators with MX Temperature Controller

Heating Circulators

with MX immersion

  • 7, 15 or 20 Liter
  • Working Temperature Range: Ambient +10° to 135° C
  • Single-speed pressure pump

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An economical choice for routine laboratory applications, the MX Temperature Controller delivers powerful circulation along with ±0.07°C temperature stability


  • Create a circulating bath using your own vessel or a PolyScience open bath tank
  • Large, 3.25" (8.3 cm) universal icon and English display
  • Single-speed pressure pump
  • Adjustable flow
  • User-adjustable high and low-temperature limits and alarms
  • Integral pump and heater coil protection
  • Complies with DIN 12876-1 Class I safety requirements for use with non-flammable liquids
  • Single-point calibration

Working Temperature

Up to 135°C

Temperature Stability



1100 W

Maximum Pressure - psi (bar)

120 VAC/60 Hz Models 1.8 (0.12)

240 VAC/50 Hz Models 1.5 (0.10)

Maximum Flow Rate - Pressure[gpm (l/min)]

120 VAC/60 Hz Models 3.4 (12.8)

240 VAC/50 Hz Models 2.8 (10.6)

Features on all Polyscience Heated Circulating Baths


  • Whether equipped with the entry-level MX
  • Controller or the most sophisticated Performance
  • Programmable, our Heated Circulating Baths are extremely easy to use. Crisp menu architecture, screen icons, and plain-text prompts make it easy to navigate through operational settings and options.


LidDock™ helps keep moisture where it belongs — in the bath. And accessing the reservoir drain is as simple as removing the Circulator’s front panel.


All models feature user-settable high-temperature safeties as well as redundant over-temperature protection and comply with RoHS, WEEE, IEC 61010-1, IEC 61010-2-010, IEC 61326-1, DIN 12876 and are CE and ETL certified. Our DuraTop™ surface is cooler to the touch when operating at high temperatures.


Exceptionally exacting temperature control, combined with a tap-water cooling-coil, allow you to maintain bath temperatures at or near ambient with stabilities as precise as ±0.005°C.


A variety of communication and control options, including Ethernet, USB data logging and computer control, bi-directional serial communication, and external circulation with remote temperature control, enhance functionality and applications flexibility.

PolyScience 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. 1/4" NPT to M16 adapters also included on 50 Hz units.
  • Also included is a 6' (1.83 m) standard grounded electrical cord with country-specific plug.
 7 Liter Heated Circulator15 Liter Heated Circulator20 Liter Heated Circulator
Working Temperature RangeAmbient +10° to 135° CAmbient +10° to 135° CAmbient +10° to 135° C
Heater Wattage1100 W (60Hz)
1100 W (50Hz)
1100 W (60Hz)
1100 W (50Hz)
1100 W (60Hz)
1100 W (50Hz)
60Hz Part NumberMX07H135-A11BMX15H135-A11BMX20H135-A11B
50Hz Part NumberMX07H135-A12EMX15H135-A12EMX20H135-A12E