Magnetic laboratory mixer M 221

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Overview
The M 221 Magnetic Stirrer is a compact laboratory stirrer combining precise speed control, brushless DC drive and an integrated heating function up to 310°C. It is designed for routine mixing and heating of liquids up to 5 L, with an LED speed display and support for an external PT1000 temperature sensor.

Key features

• Mixing speed range: 100–1500 rpm
• LED speed display
• External temperature sensor: PT1000
• Brushless DC motor for quiet, smooth operation
• Heating temperature range: 50–310°C (max 310°C)
• Heating plate: stainless steel with ceramic coating, Ø135 mm
• Maximum stirring volume (H2O): 5 liters
• Time range: 1 Min – 59 hours 59 minutes
• Temperature sensitivity / control accuracy: ±1°C
• Single stirring position

Technical specifications

• Model: M 221
• Mixing speed: 100–1500 rpm
• Display: LED
• Heating range: 50–310°C (max 310°C)
• Heating plate dimension: Ø135 mm
• Heating plate material: stainless steel with ceramic coating
• Temperature sensor: PT1000 (external)
• Temperature sensitivity / control accuracy: ±1°C
• Max. stirring quantity (H2O): 5 liters
• Max. stirring bar (L×Ø): 55×10 mm
• Stirring positions: 1
• Time range: 1 Min – 59 hours 59 minutes
• Motor type: Brushless DC motor
• Voltage: AC 190–240 V / 50–60 Hz
• Overall dimensions (W × H × D): 268 × 160 × 85 mm
• Net weight: 1.8 kg
• Gross weight: 3 kg

FAQ

• Q: What is the maximum liquid capacity the M 221 can handle? A: Up to 5 liters.
• Q: Can the M 221 heat as well as stir? A: Yes — it supports stirring and heating with a temperature range of 50–310°C and accepts an external PT1000 sensor for control.