Heated Immersion Circulators


Precision, features and performance enables optimization of configurations to meet various application needs.

Each unit features:

  • Two pump speeds: 50% and 100%
  • Adjustable PID control
  • Large, easy-to-read, five-line LCD display
  • Three languages: English, German, French
  • Over temperature/low level cutouts with audible and visual alarms
  • High quality industrial motor for excellent pump performance and long life


Temperature Range: Ambient to +200°C

4100 Controller
for routine temperature control

  • Ambient to +100°C
  • 1 kW heater
  • Powerful force pump
  • Five programmable set points: +20°C, +37°C, +50°C, +70°C and +100°C
  • Temperature display in °C, °F or °K with resolution of 0.1 or 0.01
  • Available with a clamp or a bridge
  • Compatible fluids: DI water up to 3 mOhm; 50/50 EG/Water; 50/50 PG/Water



UL/CSA (compliance pending), CE certified, RoHS/WEEE


Safety Class III, FL-DIN 12876

Warranty and Services



CE, Safety Class II
12.5 in.
Ambient to 10 to 100°C

  • TC Isotemp Refrig family.jpg-650.jpg
    Fisher Scientific™Isotemp™ Refrigerated/Heated Bath Circulators: 5.4-6.5L, 115V/60Hz Description Low-profile model enables easy bath access when lab counter height p...

  • F85978_p.eps-650.jpg
    Fisher Scientific™Isotemp™ Cooling/Heating Recirculating Circulators Designed with a focus on high performance, small footprint and quiet operation Description Easy-to-use labor...

  • F90393_p.eps-650.jpg
    Description Ideal for laboratory applications that require higher cooling and pumping capacities. Six models to choose from Cooling capacity: 700w Full range of heating and cooli...

  • F85977_p.eps-650.jpg
    Fisher Scientific™Isotemp™ Heated Bath Circulators: Model 4100 H7 Reliable, high-wattage heaters that deliver rapid fluid heat up and ensure fluid compatibility for your applicatio...
Visitors: 72,942