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Hotplate Magnetic Stirrer LHST-A21 is a compact, tabletop device having magnetic stirrer with heating function, offers rotating speed of 100 to 1500 rpm. Designed with round glass ceramic top plate and octahedral stir bar provides maximum set temperature of 450˚ C. With USB port interface and timer, memory function for stirring speed and setting temperature, and high safety protection this device offers 20 L of capacity. Equipped with advanced microprocessor controlling system with 3 PID parameters set, infrared heating element, PT100 temperature sensor and PT100 sensor holder provides quick heating with stable temperature. LCD digital display with knob control, corrosion resistant sealed casing with isolated critical parts design and drainage above control boards ensures convenient and hassle-free usage.
Hotplate magnetic stirrers are used for organic synthesis, extraction, analysis of oil products, pH-measurements, dialysis, soil suspending, preparing buffer solutions etc. across the field of chemical engineering, microbiology, pharmaceuticals, geology, scientific research, biotechnology, biochemistry etc.
| Mode | Digital + Heating + Stirring |
| Speed | 200 rpm to 2000 rpm |
| Plate size | 190 × 190 mm |
| Maximum volume | 5000 ml |
| Mode | Digital + Heating + Stirring |
| Speed | 200 rpm to 2000 rpm |
| Plate size | 190 × 190 mm |
| Maximum volume | 5000 ml |
| Maximum Volume | 5000 ml |
| Speed | 100 to 2000 rpm |
| Minimum Revolution | 100 rpm |
| Maximum Temperature | 380°C |
| Maximum Volume | 2000 ml |
| Speed | 100 to 2000 rpm |
| Minimum Revolution | 100 rpm |
| Maximum Temperature | 380°C |
| Capacity | 20 L |
| Top plate shape | Round |
| Top plate material | Glass ceramic |
| Top plate dimensions | Ф135 mm |
| Work plate Dimension | 184 × 184 mm (7 inch) |
| Work plate material | Glass ceramic coating |
| Motor type | Brushless DC motor |
| Motor rating input | 18 W |
| Capacity | 20 L |
| Top plate shape | Square |
| Top plate material | Glass ceramic |
| Top plate dimensions (L×B) | 180×180 mm |
| Display mode | LED |
| Plate temperature | 0 °C ~ 500 °C |
| Safety temperature | 550 °C |
| PID parameters | 1 set |
| Display mode | LCD |
| Plate temperature | 0 °C ~ 500 °C |
| Safety temperature | 50 °C ~ 550 °C |
| PID parameters | 2 set |
| Display mode | LED |
| Plate temperature | 0 °C ~ 380 °C |
| Safety temperature | 370 °C |
| PID parameters | 1 set |
| Display mode | LCD |
| Plate temperature | 0 °C ~ 380 °C |
| Safety temperature | 50 °C ~ 370 °C |
| PID parameters | 2 set |
| Display mode | LED |
| Temperature range | 50 °C ~ 300 °C |
| Plate dimensions ( W x L ) | 170 x 170 mm |
| Power | 680 W |
| Display mode | LED |
| Temperature range | 50 °C ~ 300 °C |
| Plate dimensions ( W x L ) | 320 x 320 mm |
| Power | 1000 W |
| Display mode | LED |
| Temperature range | 50 °C ~ 300 °C |
| Plate dimensions ( W x L ) | 400 x 300 mm |
| Power | 1500 W |
| Display mode | LCD |
| Plate temperature | 0 °C ~ 500 °C ( 24 steps ) |
| Safety temperature | 550 °C ( fixed ) |
| PID parameters | 1 set |
| Display mode | LCD |
| Plate temperature | 0 °C ~ 500 °C ( continuous ) |
| Safety temperature | 50 °C ~ 550 °C ( adjustable ) |
| PID parameters | 2 set |
| Display mode | LCD |
| Plate temperature | 550 °C |
| Rotating speed | 50 rpm ~ 1500 rpm |
| Solvent temperature | 40 °C ~ 300 °C |
| Display mode | LCD |
| Heating power | 1.2 kW |
| Time to boil 1 L H20 | 10 mins |
| Heating zone | ᴓ 155 mm |
| Display mode | LCD |
| Heating power | 1.8 kW |
| Time to boil 1 L H20 | 7 mins |
| Heating zone | ᴓ 190 mm |
| Display mode | LCD |
| Heating power | 1.8 kW |
| Time to boil 1 L H20 | 7 mins |
| Heating zone | ᴓ 190 mm |
| Mixing capacity | 3 L |
| Number of plates | 1 |
| Plate dimension | 158 x 143 mm |
| Speed range | 150 rpm ~ 1500 rpm |
| Mixing capacity | 2 L |
| Number of plates | 4 |
| Plate dimension | 313 x 303 mm |
| Speed range | 150 rpm ~ 1500 rpm |
| Mixing capacity | 2 L |
| Number of plates | 6 |
| Plate dimension | 473 x 303 mm |
| Speed range | 150 rpm ~ 1500 rpm |
| Max. stirring capacity H₂O | 20 L |
| Speed range | 100 to 2500 rpm |
| Maximum torque | 40 ncm |
| Maximum viscosity | 10000 cps |
| Max. stirring capacity H₂O | 20 L |
| Speed range | 100 to 2500 rpm |
| Maximum torque | 40 ncm |
| Maximum viscosity | 10000 cps |
| Max. stirring capacity H₂O | 40 L |
| Speed range | 100 to 2500 rpm |
| Maximum torque | 40 ncm |
| Maximum viscosity | 10000 cps |
| Stirring Positions | 16 |
| Max. Stirring Quantity | 0.4 L (each stirring position) |
| Max. Magnetic Bar | 40 mm |
| Speed Range | 0 to 1100 rpm |
| Stirring Positions | 10 |
| Max. Stirring Quantity | 0.4 L (each stirring position) |
| Max. Magnetic Bar | 40 mm |
| Speed Range | 0 to 1100 rpm |
| Stirring Positions | 10 |
| Max. Stirring Quantity | 0.4 L (each stirring position) |
| Max. Magnetic Bar | 40 mm |
| Speed Range | 0 to 1100 rpm |
| Work plate Dimension | Φ137 mm |
| Work plate material | Enamel |
| Motor type | Brushless DC motor |
| Stirring positions | 4 |