Overhead Stirrers


P/N: 501-11000-00

For media up to 40,000 mPa s and volumes up to 20 liters

  • The RZR 1 is suitable for torque up to 100 Ncm at a power of 18 W
  • Slim design fits nicely into your research environment
  • A manual scale for speed adjustments from 35 - 2,200 rpm
  • A two-gear stage design allows for high torque at various speeds and provides excellent mixing in short times


RZR 1 - Technical Data

Number of speed gears2
Rotation speed range35 - 250 rpm / 280 - 2,200 rpm
Rotation speed indicatorscale
Speed controlmechanic
Max. torque۱۰۰ Ncm
Torque indicator-
Overheat protectionmechanical power limitation
Viscosity max.۴۰٬۰۰۰ mPa s
Stirring cap. (H2O), max.a۲۰ l
Throught-shaft design
Shaft diameter, max.۸ mm
Counter/ Timer-
Analog / digital interface-
Power rating motor input۷۷ W
Protection class DIN EN 60529IP 20

RZR 1 - Accessories

AR 19 Anchor-Type Impeller

BR 10 Cross-Blade Impeller

BR 11 Straight-Blade Impeller

BR 12 Pivoting-Blade Impeller

BR 13 Square-Blade Impeller

BR 14 Collapsible-Blade Impeller

HR 18 Half-Moon Impeller

PR 30 Pitched-Blade Impeller

PR 31 Ringed Propeller

PR 32 Ringed Propeller

PR 33 Ringed Propeller

PR 39 Pitched-Blade Impeller

TR 20 Radial-Flow Impeller

TR 21 Radial-Flow Impeller

Flex coupling

Flexible shaft

Stand S2 XXL

Stirrer guide (NS 29/32 PTFE)

Telescope stand

Universal stand S2



At a glance - Hei-TORQUE 2018 Download
CE-Ruhrwerke-Overhead-stirrer.pdf Download
Hei-TORQUE-Certificate-for-continuous-operation.pdf Download
Technical-Overview-Overhead-Stirrers.pdf Download
Brochure-Gentle but powerful.pdf Download
Operation-Manual-Overhead-Stirrer-RZR1.pdf Download