20L Magnetic Stirrer Hotplate without timer function, Chemistry Laboratory Magnetic Stirrer Supplies
TOPTION this type 340°C magnetic hotplate stirrers are widely used in chemical synthesis, physical and chemical analysis, bio-pharmaceuticals and other fields. 
| Specifications | MS-H-PRO+ | MS-H-PROT | MS-HS |
| Work plate dimensions | Φ135mm (5 inch) | Φ135mm (5 inch) | Φ135mm (5 inch) |
| Work plate material | Stainless steel cover with ceramic | ||
| Motor type | Brushless DC motor | ||
| Motor rating input | 18W | ||
| Motor rating output | 10W | ||
| Power | 550W | 550W | 530W |
| Heating output | 500W | 500W | 500W |
| Voltage | 100-120/200-240V 50/60Hz | 100-120/200-240V 50/60Hz | 100-120/200-240V 50/60Hz |
| Stirring positions | 1 | 1 | 1 |
| Max. Stirring quantity [H2O] | 20L | 20L | 20L |
| Max. Magnetic bar [length] | 80mm | 80mm | 80mm |
| Speed range | 100-1500 rpm resolution ±1 rpm | 100-1500 rpm resolution ±1 rpm | 100-1500 rpm resolution ±1 rpm |
| Speed display | LCD | LCD | Scale |
| Temperature display | LCD | LCD | Scale |
| Heating temp. range | Romm temp. -340ºC, increment 1ºC | Romm temp. -340ºC, increment 1ºC | Romm temp. -340ºC |
| Temp. Control accuracy | ±1ºC(<100ºC), ±1% (>100ºC). | ±1ºC(<100ºC), ±1% (>100ºC). | \ |
| Over temp. protection | 360ºC | 360ºC | 350ºC |
| Temp. Display accuracy | ±0.1ºC | ±0.1ºC | ±0.5ºC |
| External temp. sensor | PT1000 (accuracy ±0.2) | PT1000 (accuracy ±0.2) | \ |
| "Hot" warning | 50ºC | 50ºC | \ |
| Timer function | \ | 1min to 99h 59min | \ |
| Data connector | RS232 | RS232 | \ |
| Protection class | IP42 | IP42 | IP42 |
| Dimension [W*D*H] | 160*280*85mm | 160*280*85mm | 160*280*85mm |
| Weight | 2.8kg | 2.8kg | 2.8kg |
| Permissible ambient temp. And humidity | 5-40ºC 80% | 5-40ºC 80% | 5-40ºC 80% |
• Brushless DC motor is maintenance free and explosion-proof
• Digital temperature control with max. temperature at 340°C
• Digital speed control with max. speed up to 1500rpm
• Max. stirring quantity of H2O at 20L
• Safety circuits provide overheating protection
• The "HOT" warning will flash if the plate temperature is above 50°C even when the hotplate is turned off
• High-resolution LCD display shows actual temperatures and speed (MS-H-ProT displays the time also)
• External temperature control is possible by connecting the temperature sensor(PT 1000) with accuracy at ±0.2°C
• Stainless steel work plate with ceramic coating provides good chemical-resistant performance
• Remote function provides PC control and data transmission
• A wide variety of accessories are available
