You have no items in your shopping cart.

Ohaus Guardian™ Mini Hotplates - 30392031


Rugged Ohaus Guardian™ Mini Hotplates can heat up to 1000 ml of water on the 4” x 4” (102 x 102 mm) ceramic top plate surface. These units are ideal for educational and other lab environments that require simple, every-day heating. All models feature a built-in support rod holder with a locking knob, which accepts the optional support rod kit.

Select the function you need for your everyday heating – adjustable or fixed temperature hotplate. Fixed temperature hotplate features an illiminated rocker switch to activate the preset fixed temperature of 500°C.

Our mini hotplate is easy to clean up, featuring a smooth, chemical-resistant ceramic top plate. This brilliant white reflective surface is optimal for viewing your samples.

Designed for safety, the unique housing material is heat-resistant making it not only cool to the touch, but also chemical-resistant. Spill resistant design ensures long-term reliable use.

Part Number: 30392031
Attribute nameAttribute value


Temperature Range :Fixed @ 500 °C
Capacity :1000 ml
Plate Size :4" × 4" / 10.2 × 10.2 cm
Dimensions :7.9" x 6" x 5" / 20.1 x 15.2 x 12.7 cm
Weight :4 lb / 1.8 kg
Power :120V/50-60Hz/1.8A/200W