Reax 20-4 Rotary Mixer for 4 Bottles | DIN 38414 Compliant

Heidolph
Rotary mixer for simultaneous processing of 4 bottles. Variable-speed motor, 1 to 16 r.p.m. Tension-spring clamping system accepts wide-neck bottles and beakers up to 136 mm diameter, 160 to 270 mm height. Complies with DIN 38414 Part 4 for elutriation testing with water. Suited to wastewater and sludge analysis. IP 21 protection, automatic overload cut-off. Operating temperature 0 °C to 40 °C, up to 80% relative humidity.

In stock

SKU: 5054122

Reax 20-4 Rotary Mixer for 4 Bottles | DIN 38414 Compliant

Benchtop rotary mixer for simultaneous use with up to 4 bottles. Speed adjusted via rheostat; continuous, stable rotation throughout. Designed for the examination of wastewater and sludge in accordance with DIN 38414 Part 4.

Technical Specifications

  • Speed: 1 to 16 r.p.m., rheostat-controlled
  • Capacity: 4 bottles simultaneously
  • Clamping: Tension-spring system — accepts wide-neck bottles and beakers up to 136 mm diameter
  • Bottle height range: 160 to 270 mm
  • Motor protection: Automatic overload cut-off
  • Protection rating: IP 21
  • Ambient temperature: 0 °C to 40 °C, 80% relative humidity maximum
  • Control: Start/stop switch with indicator light

Applications

Primary use is wastewater and sludge analysis. Meets DIN 38414 Part 4. Also suitable for any protocol requiring continuous end-over-end rotation — extractions, homogenisations, and sample mixing.

The tension-spring clamping system allows changeover between different bottle formats without tools, reducing handling time when working across multiple vessel sizes.

Operating Data

  • Reference standard: DIN 38414, Part 4
  • Motion type: Continuous rotation
  • Duty cycle: Continuous
  • Indication: Pilot lamp on start/stop switch
Brand Heidolph
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