Multi-Position Hot Plate Magnetic Stirrer LMHS-T2020

Introduction

Multi-Position Hot Plate Magnetic Stirrer has 4 hot plates for heating and stirring. Each position offers a maximum 2 resistance and corrosion resistance. It features a digital display and rotatory knob for setting temperature and speed on the hot plate. Our stirrer has a speed range of 200 to 1200 rpm and is equipped with advanced a brushless DC motor.

This magnetic stirrers is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Multi-Position Hot Plate Magnetic Stirrer is used in chemical synthesis, physical and chemical analysis, biopharmaceuticals etc.

Specifications

Work plate Dimension	Φ137 mm
Work plate material	Enamel
Motor type	Brushless DC motor
Stirring positions	4
Max. stirring capacity	2 L × 4
Size of stirring bar	Φ 8×46 mm
Stirring speed range	200 to 1200 rpm
Display	Digital display
Temperature control range	RT +5 to 340°C
Temperature setting range	30 to 340˚C
Temperature stability	± 3°C
External temperature sensor	PT1000
Adjustable safety min. temperature loop	50°C
Adjustable safety max. temperature loop	350°C
Dimension	610 × 272 × 86 mm
Power consumption	1600 W
Fuse	250 V, 10 A, Φ 5 × 20
Power supply	AC 240V, 50/60 Hz
Weight	8.5 kg

Features

Designed with controller ensures a precise and steady heating process

Multi-position magnetic hotplate stirrer maximum capacity 2 L × 4

Stirring speed ranges from 200 to 1200 rpm

The outer casing is made of metal, with high strength, high temperature resistance and corrosion resistance

Unit is designed with 4 position channel digital hotplate magnetic stirrer

Offers PT1000 external temperature sensor

Digital display shows actual temperatures and speed

Overheating protection temperature at 420℃

Rotatory knob to set temperatures and speed

Brushless DC motor, stable performance, low noise, long life and no sparks

Heated by an enamel heating plate and the maximum surface temperature can reach 340˚C

FAQs

1. What are the key factors to consider when selecting this magnetic stirrers for laboratory use?

When selecting this magnetic stirrers, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this magnetic stirrers be calibrated to ensure accurate results?

It is recommended to calibrate this magnetic stirrers at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this magnetic stirrers?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this magnetic stirrers be used with different types of samples, and are there any compatibility considerations?

Yes, this magnetic stirrers can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the magnetic stirrers malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.