A standard piece of laboratory equipment, the hot plate stirrer / hot plate magnetic stirrer keeps liquids circulating as they are heated for a faster, more even reaction. In spite of the simplicity of the basic design, modern hot plate stirrers have incorporated features to increase safety and speed and decrease error. Examples of such updates include upgrades to the stirring apparatus, built-in timers and temperature sensors to alert the user when the plate is hot and reduce overheating, and user-friendly interfaces for more precise control. Other things to look for when purchasing a hot plate stirrer include the instrument’s footprint, its capacity, and the maximum temperature it can heat to.
Browse the listings below to compare Laboratory Stirrers and Hot Plates from various manufacturers.
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| Company | OHAUS Corporation | OHAUS Corporation | OHAUS Corporation | OHAUS Corporation | OHAUS Corporation |
| Item | Multi-Position Stirrers | Guardian 2000 Hotplates & Stirrers | Guardian 3000 Hotplates & Stirrers | Guardian 7000 Hotplates & Stirrers | Large Volume Stirrer |
| Reviews | | | | | |
| Catalog Number | STMP4AL / STMP4DG / STMP9AL / STMP9DG | e-G21HS07C / e-G21HS04C | e-G31HS07C / e-G31HS04C | e-G71HS07C / e-G71HS10C | STHVAL / STHVDG |
| Price | | | | | |
| Temperature Range | Inquire | 70°C to 500°C | [RT+5°C] to 500°C | [RT + 5°C] to 500°C | Inquire |
| Description | Synchronized and Uniform Mixing
Powerful Magnetic Stirrers available in either four or nine position capacities provide precise speed control that deliver repeatable performance. Offered in both digital and non-digital models. | Dependable OHAUS Guardian 2000 Hotplates and Stirrers are ideal for education and other lab environments that require affordable, everyday fast heating and reliable stirring up to 15L. All models offer simple knob control to easily adjust the heating and stirring functions. The durable housing Dependable OHAUS Guardian 2000 Hotplates and Stirrers are ideal for education and other lab environments that require affordable, everyday fast heating and reliable stirring up to 15L. All models offer simple knob control to easily adjust the heating and stirring functions. The durable housing includes a built-in support rod holder which accepts the optional support rod. Stirring models include PTFE-coated stir bars.... Read More | OHAUS Guardian 3000 Hotplate Stirrers are designed for economical heating and stirring in all laboratory settings. The bright LCD display includes easy-to-read temperature and speed settings, intuitive icons and a prominent hot top indicator that lights up when the heater is above 40°C. Select from OHAUS Guardian 3000 Hotplate Stirrers are designed for economical heating and stirring in all laboratory settings. The bright LCD display includes easy-to-read temperature and speed settings, intuitive icons and a prominent hot top indicator that lights up when the heater is above 40°C. Select from three plate sizes to suit your application. All models can be used with the optional temperature probe for precise temperature control of the sample.... Read More | Durable Hotplate Stirrers with Superior Safety Features and Intelligent Performance
OHAUS Guardian 7000 Hotplate Stirrers are designed with outstanding safety features and superior heating and mixing performance. The SmartHousing™ is chemical resistant with an innovative, easy-to-clean design that Durable Hotplate Stirrers with Superior Safety Features and Intelligent Performance
OHAUS Guardian 7000 Hotplate Stirrers are designed with outstanding safety features and superior heating and mixing performance. The SmartHousing™ is chemical resistant with an innovative, easy-to-clean design that channels spills away from internal components and the angled glass control panel. The bright LCD display includes intuitive icons, temperature, speed and time settings - all designed to monitor performance from across the lab.
- Protect your lab with patented SmartPresence™ & SmartLink™ technologies. These exclusive features automatically shut off the heater if no one is detected after a user set "time out" period has passed.
- An industry-leading early detection system that uses two independent safety controls to continuously monitor the electronics and will shut off heating before an overtemperature condition occurs.
- Precise stirring from 60 to 1600 rpm is made possible by the design of a powerful motor, strong magnet and software controlled ramp rate, ensuring secure magnetic coupling for viscous applications.
... Read More | Powerful Motor and Magnet Mixes Samples Up To 200 L
OHAUS offers four models for stirring capacities between 25 to 200 L allowing you to choose the right model for your application. The broad top plate surface allows processing of oversized vessels such as carboys for your large volume stirring. Powerful Motor and Magnet Mixes Samples Up To 200 L
OHAUS offers four models for stirring capacities between 25 to 200 L allowing you to choose the right model for your application. The broad top plate surface allows processing of oversized vessels such as carboys for your large volume stirring. The powerful magnetic drive is also capable of mixing highly viscous materials.... Read More |
| Capacity | 4 x 1L / 9 x 250mL | 15 L | 15 L | Inquire | 25 L |
| Dimensions | (WxDxH) 11 x 17 x 4 in. | (WxDxH) 8.8 x 12.5 x 4.4 in or 6.4 x 10.4 x 4.3 in | (WxDxH) 8.8 x 12.5 x 4.4 in. or 6.4 x 10.4 x 4.3 in. | (WxDxH) 8.8 x 12.2 x 4.8 in.or 11.25 x 16.3 x 4.8 in. | (WxDxH) 11 x 17 x 4 in. |
| Operating Speed | 60 rpm to 1400 rpm | 200 to 1600 rpm | 80 to 1600 rpm | 60 to 1600 rpm | 60 rpm to 1400 rpm |
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