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.
| Capacity | 20 L |
|---|---|
| Top plate shape | Round |
| Top plate material | Glass ceramic |
| Top plate dimensions | Ф135 mm |
| High temperature protection | 10° to 50° C (adjustable) |
| Maximum set temperature (Hot plate) | 450° C (continuous) |
| Maximum set temperature (with PT100) | 300° C |
| Safety temperature | 50 to 500° C (adjustable) |
| Temperature stability (with PT100) | ±2° C |
| Stirring speed range | 100 to 1500 rpm |
| Timer | 1 to 1999/min; continuous |
| Stir bar | Octahedral stir bar |
| Motor | DC brushless motor |
| Heating element | Infrared heating element |
| Motor power | 12 W |
| Heating capacity | 800 W |
| Display | LCD digital display |
| Controller | Microprocessor |
| PID parameters | 3 sets |
| Temperature sensor | PT100 with PT100 sensor holder |
| Control panel | Rotating knobs |
| Memory function | Stirring speed and setting temperature |
| Safety Protection system | Overheating, Flashing high temperature indicator, warning for hurt by touch |
| Sealing | Hermetically sealed from above |
| Corrosion resistance | Yes |
| Chemical resistance | Yes |
| Drain | Yes (above control board) |
| Interface and communication | USB; USB (COM) |
| Power supply | 221 to 240 V/50 to 60 Hz |
| Dimensions (W×D×H) | 460×340×240 cm |
| Weight | 8 kg |
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 |
| Work plate Dimension | 184 × 184 mm (7 inch) |
| Work plate material | Glass ceramic coating |
| Motor type | Brushless DC motor |
| Motor rating input | 18 W |
| Maximum Volume | 2000 ml |
| Speed | 100 to 2000 rpm |
| Minimum Revolution | 100 rpm |
| Maximum Temperature | 380°C |
| Capacity | 20 L |
| Top plate shape | Square |
| Top plate material | Glass ceramic |
| Top plate dimensions (L×B) | 180×180 mm |
| Maximum Volume | 5000 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 |
| Mode | Digital + Heating + Stirring |
| Speed | 200 rpm to 2000 rpm |
| Plate size | 190 × 190 mm |
| Maximum volume | 5000 ml |
| Maximum Volume | 2000 ml |
| Speed | 100 to 2000 rpm |
| Minimum Revolution | 100 rpm |
| Maximum Temperature | 380°C |
| Maximum Volume | 5000 ml |
| Speed | 100 to 2000 rpm |
| Minimum Revolution | 100 rpm |
| Maximum Temperature | 380°C |
| Max. stirring capacity H₂O | 40 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 | 20 L |
| Speed range | 100 to 2500 rpm |
| Maximum torque | 40 ncm |
| Maximum viscosity | 10000 cps |
| 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 |
| Stirring Positions | 16 |
| Max. Stirring Quantity | 0.4 L (each stirring position) |
| Max. Magnetic Bar | 40 mm |
| Speed Range | 0 to 1100 rpm |
| 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 |
| Display mode | LED |
| Temperature range | 50 °C ~ 300 °C |
| Plate dimensions ( W x L ) | 400 x 300 mm |
| Power | 1500 W |
| 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 |