
Benchmark™ Overhead Stirrers
Choose Your model (OS-20L / OS-40L)
2 models in this family — select one to see full specs, documents, and pricing.

OS-20L Overhead Stirrer , 100–240 V US Plug
$919.23

OS-40L Overhead Stirrer , 100–240 V US Plug
$1,444.23
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Compare all 2 models
Every model in the Benchmark™ Overhead Stirrers family differs by model (OS-20L / OS-40L). Specifications that differ are shown below.
| Model | IPS2050-20OS-20L Overhead Stirrer , 100–240 V US Plug | IPS2050-40OS-40L Overhead Stirrer , 100–240 V US Plug |
|---|---|---|
| Price | $919.23 $1,081.45 | $1,444.23 $1,699.09 |
| Input Power | 60 W | 120 W |
| Output Power | 50 W | 100 W |
| Maximum Torque | 40 Ncm | 60 Ncm |
| Maximum Viscosity | 10,000 mPa·s | 50,000 mPa·s |
| Net Weight (Mixer Head) | 2.6 kg | 2.8 kg |
| Mixing Capacity (Water-Equivalent) | 20 L | 40 L |
| View IPS2050-20 → | View IPS2050-40 → |
Shared by every model in this family
- Display:
- LCD control panel; speed and run time set + monitored
- Power Supply:
- 100 to 240 V (universal); 50/60 Hz
- Motor Type:
- DC Brushless
- Speed Range:
- 30 – 2,200 rpm
- Maximum Vessel Height:
- 24 inches
- European Power Configuration:
- Available upon request
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