
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.
| Part Number | Model | Function | Plate Size | Capacity | Plate Construction |
| OH-30680262 | E-G21HP04C | Heating | 4 x 4 in. | 15 L | Ceramic |
| OH-30680261 | E-G21HP07C | Heating | 7 x 7 in. | 15 L | Ceramic |
| OH-30680260 | E-G21HPRDS | Heating | 5.3 in. | 15 L | Ceramic-coated Stainless Steel |
| OH-30680259 | E-G21HS04C | Heating & Stirring | 4 x 4 in. | 15 L | Ceramic |
| OH-30680258 | E-G21HS07C | Heating & Stirring | 7 x 7 in. | 15 L | Ceramic |
| OH-30680257 | E-G21HSRDS | Heating & Stirring | 5.3 in. | 15 L | Ceramic-coated Stainless Steel |
| OH-30680265 | E-G21ST04R | Stirring | 4 x 4 in. | 15 L | Resin |
| OH-30680264 | E-G21ST07R | Stirring | 7 x 7 in. | 15 L | Resin |
| OH-30680263 | E-G21STRDS | Stirring | 5.3 in. | 15 L | Ceramic-coated Stainless Steel |
Related equipment we stock

Multi-Position Stirrers
60–1400 rpm speed range | 4×1 L or 9×250 mL capacity | 75 W power | Glass-filled nylon plate | UL; cUL certified

Large Volume Stirrers
25–200 L capacity | 60–1800 rpm (model-dependent) | Analog or Digital control | Glass-filled nylon or Stainless steel top plate | UL/cUL or TUV certified

Guardian™ 3000 Hotplates & Stirrers
Ambient+5°C to 500°C | 80–1600 rpm | 15 L capacity | Ceramic or ceramic-coated SS plate | TÜV certified

Guardian 7000 Hotplate Stirrers
Function: Heating & Stirring | Capacity: 15 L | Plate Construction: Ceramic