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
• Applications: boiling liquids, water/oil bath preparation, sample and solution preparation, dissolving buffers and reagents, preparing media, concentrating samples
• Backlit LCD display for temperature and speed, green indicator lights when unit is heating and stirring, prominent hot top indicator light, probe in use icon, single point calibration icon
• Stirring from 80 to 1600 RPM, ambient temperature range from +5°C to 500°C (ceramic top) or 380°C (ceramic-coated steel top - STI2650 only), power cord (included), stirring models include PTFE-coated stir bar
• Durable metal housing, PET front panel, control knobs, on/off switch for heater disconnect, built-in support rod holder, easy-to-clean ceramic or ceramic-coated stainless steel tops (STI2650 only)
• Hot top indicator light to protect user; green indicator lights illuminate when unit is heating and stirring; temperature probe connector for use with optional temperature probe