Ohaus Hotplates & Stirrers

OHAUS Guardian 5000 Hotplates Stirrers are designed for safety and simplicity in all research, academia and industrial applications. The design ensures proper mixing and temperature control of the top plate or your sample when using the optional temperature probe. Heating models include a Single Point Calibration feature for multiple setpoints. Select from five models with three plate sizes for your everyday heating and stirring applications.

• SafetyHeat™ System Protects the Lab
  An industry-leading early detection system that uses two independent safety controls to continuously monitor the electronics and shut off heating before an over-temperature condition occurs.
• Powerful, Consistent Stirring Performance
  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.
• Easy to Read LCD Display With Everything You Need to Know
  The bright LCD display includes large temperature and speed settings, intuitive icons and a prominent hot top indicator - all designed to quickly and easily monitor performance from across the lab.
• Designed for Durability and Reliability with the Exclusive SmartHousing™
  The SmartHousing™ is chemical resistant with an innovative, easy-to-clean design that channels spills away from internal components and the angled control panel.

Rugged and Reliable Analog Hotplates and Stirrers for General Purpose Heating and Stirring

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 three sizes 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.

• Powerful stirring and fast heating at an economical price. Safely heat up to 500°C and stir up to 15L with easy to use knob control for simple and reliable everyday heating and stirring in the lab.
• Designed to last - the rugged metal housing has a spill resistant design for long life in the lab under harsh conditions. The smooth, chemical-resistant ceramic top plate is perfect for easy clean up.
• Safety is of utmost importance - the prominent hot top indicator light illuminates when the heater is above 40°C, keeping the end user safe during all heating applications.
• 2 year warranty

The Next Generation Guardian 5000 Hotplate Stirrers are engineered for safety and versatility across research, academic and industrial settings. They offer powerful heating and mixing, with premium hardware and software to support diverse users safely and reliably. Heating models reach up to 550°C and feature 3 temperature control modes for quick heating or precise heating without overshoot. Select from 5 models with 3 plate sizes.

• Our signature SafetyHeat™ and SmartHeat™ features combined with the new Run Dry Protection system plus the Time Run mode and the optional Splash Shield provide complete safety.
• The evolved SmartRate™ system supports heating & stirring from fast and intensive to soft and precise, with a range of accessories to empower a variety of applications.
• An intuitive user interface featuring a large, bright LCD screen with white characters & knob button(s), allows for user friendly operation. RS232 port included for remote control or data logging.
• 2 year warranty

Affordable Digital Hotplate Stirrers Designed for Safety, Powerful Stirring and Fast Heating

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.

• Industry leading safety at affordable prices. Guardian 3000 units offer safety, controlled heating and powerful stirring for general laboratory use - all at a competitive price point.
• SafetyHeat™ protects the lab. An industry-leading early detection system uses two independent safety controls to monitor the electronics and stop heating before an overtemperature condition occurs.
• Designed to last - the rugged metal housing has a spill-resistant design for long life in the lab under harsh conditions. The smooth, chemical-resistant ceramic top makes for easy clean ups.
• 2 year warranty

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.

• SmartPresence™ and SmartLink™ Technologies Ensure Supervised Operation
  Protect your lab with patented SmartPresence™ and SmartLink™ technologies. These exclusive features automatically shut off the heater if no one is detected after a userset "time out" period has passed.
• SafetyHeat™ System Protects the Lab
  An industry-leading early detection system that uses two independent safety controls to continuously monitor the electronics and shut off heating before an over-temperature condition occurs.
• Powerful, Consistent Stirring Performance
  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.
• Customized Performance for Precise Applications
  SmartHeat™ allows you to set the maximum temperature of the unit and SmartRate™ enables fast or slow temperature and speed ramp rates. The programming feature allows storage of 5 multi-step programs.

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.

• High Volume Stirrers (STLC1DG and STLC2DG) with a 100 or 200 L capacity are made with a stainless steel base offering durability and stability, and feature a 54 x 63 cm stainless steel top plate.
• High Volume Stirrers (STHVAL and STHVDG) have a large 32 x 28 cm top plate that is chemical-resistant with a white reflective surface that is easy to clean. Digital and nondigital models allow you to choose the right model for your application.
• Speed ramping feature slowly increases the motor speed for improved safety and enhanced coupling. Avoids splashing, improves spin bar control and provides excellent low-end speed control.
• 2 year warranty

OHAUS Achiever 5000 Overhead Stirrers are designed for powerful, precise stirring, safety and simplicity in all applications. The sealed design has an IP54 rating and ensures safe mixing performance even in the most demanding applications. The keyless chuck and software controlled speed ramping provide easy set up and safe stirring to protect the sample and user. Select from five models with up to 200 Ncm torque and up to 100 Liter volume capacity.

• Powerful mixing and constant speed is assured with the brushless motor and torque compensation technology - delivering accurate, controlled stirring of viscous liquids with quiet operation.
• Simplify set up with the Keyless Chuck - no tools required. Change shafts quickly and easily with one handed operation. This unique design will save time and effort for everyone in the lab.
• Designed for safety. The lock button prevents accidental speed changes and the motor's overload sensing technology simply shuts off stirring before an overload condition occurs to protect the sample.
• Compact and easy to use. Simple knob control combined with the bright digital display allows for precise setting and monitoring. Customize for your application with over 12 accessories.
• 1 year warranty

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.

• The 318 x 279 mm top plate accommodates up to 9 x 250 mL or 4 x 1 L flasks. The glass-filled nylon surface has a reflective white color, is chemical-resistant and minimizes unintended heating of samples.
• Speed ramping feature slowly increases the motor speed for improved safety and enhanced coupling. Avoids splashing, improves spin bar control and provides excellent low-end speed control.
• Digital models have touchpad controls for input of speed and time. Non-digital models have an adjustment knob with dial markings from 1-10. The microprocessor regulates adjustments throughout the range.
• 2 year warranty