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Key Features & Benefits

1. Powerful Stirring for High-Viscosity Samples

High-strength permanent magnets generate a powerful magnetic field, providing stable mixing for viscous liquids, polymer solutions, and demanding laboratory reactions.

2. High-Temperature Heating up to 550°C

The large 7-inch glass ceramic plate offers rapid, uniform heating with excellent thermal stability for high-temperature laboratory applications.

3. Durable Glass Ceramic Work Plate

Highly resistant to acids, alkalis, chemicals, scratches, and thermal shock while remaining easy to clean after spills.

4. Intelligent LCD Control

Displays real-time and preset values for temperature, stirring speed, and timer, ensuring accurate control and repeatable experimental results.

5. Advanced Safety Protection

Dual independent safety circuits, adjustable safety temperature, residual heat warning, spill-resistant design, and brushless DC motor provide reliable laboratory safety and long-term operation.

6. Precision Temperature Control & Remote Operation

Supports an external PT1000 temperature sensor with ±0.2°C accuracy and RS232 communication for precise temperature monitoring and remote control.

Application

Ideal for a variety of laboratory applications, including:

Organic synthesis
Chemical synthesis
Polymer research
Pharmaceutical R&D
High-viscosity liquid mixing
Catalyst preparation
Material science
Sample preparation
Analytical chemistry
Petrochemical laboratories
Food testing laboratories
Environmental laboratories
University laboratories
Research institutes
Quality control (QC) laboratories

Customer base

Organic synthesis, petrochemical engineering, inorganic materials, environmental engineering, and mineral processing—laboratory technicians in universities and research institutions; R&D personnel in battery and electric motor materials; R&D and QC personnel in petrochemical, pharmaceutical development, and food testing industries; and inspectors in government agencies such as environmental monitoring stations and food and drug inspection institutes.

Technical Specifications

Parameter	Specification
Model	DMS7-550M
Work Plate Size	184 × 184 mm (7")
Plate Material	Glass Ceramic
Maximum Stirring Capacity	20 L (H₂O)
Stirring Speed	50–1500 rpm
Speed Resolution	1 rpm
Heating Temperature	Ambient to 550°C
Adjustable Safety Temperature	50–580°C
Liquid Temperature Accuracy	±1°C (<100°C), ±1% (>100°C)
Temperature Display Accuracy	0.1°C
External Temperature Sensor	PT1000 (±0.2°C)
Timer	1 min–99 h 59 min
Residual Heat Warning	Above 50°C
Overheat Protection	580°C
Motor Type	Brushless DC Motor
Maximum Stir Bar Length	80 mm
Communication Interface	RS232
Protection Rating	IP21
Motor Power	10 W
Heating Power	1150 W
Total Power	1200 W
Power Supply	100–120 V / 200–240 V, 50/60 Hz
Dimensions	360 × 230 × 110 mm
Weight	4.3 kg
Operating Temperature	5–40°C
Relative Humidity	≤80% RH

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1. What makes the DMS7-550M suitable for high-viscosity liquids?

The DMS7-550M uses high-strength permanent magnets to generate a powerful magnetic field, ensuring stable stirring performance for viscous liquids, polymer solutions, and resin-based samples.
2. What is the maximum heating temperature?

The hotplate heats from ambient temperature up to 550°C, making it suitable for high-temperature laboratory applications.
3. Does it support external temperature control?

Yes. It supports a PT1000 external temperature sensor with temperature control accuracy up to ±0.2°C.
4. What safety features are included?

The stirrer includes dual safety circuits, adjustable safety temperature, overheat protection, residual heat warning, spill-resistant construction, and a maintenance-free brushless DC motor.
5. Which laboratories typically use this magnetic stirrer?

It is widely used in chemical synthesis, pharmaceutical R&D, polymer research, materials science, analytical laboratories, university research, and quality control laboratories.

Key Features & Benefits

1. Powerful Stirring for High-Viscosity Samples

2. High-Temperature Heating up to 550°C

3. Durable Glass Ceramic Work Plate

4. Intelligent LCD Control

5. Advanced Safety Protection

6. Precision Temperature Control & Remote Operation

Application

Customer base

Technical Specifications

1. What makes the DMS7-550M suitable for high-viscosity liquids?

2. What is the maximum heating temperature?

3. Does it support external temperature control?

4. What safety features are included?

5. Which laboratories typically use this magnetic stirrer?

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