Product Description
Everyday heating and stirring does not need to be complicated, and Guardian 2000 units keep it simple with straightforward knob control and fast results. Hotplate, stirrer and hotplate-stirrer models are offered in three top sizes, making them a practical fit for teaching labs, QC benches and routine sample prep with capacities up to 15 L.
This listing is for OHAUS item number 30680258: Guardian 2000 Hotplate Stirrer e-G21HS07C, 7 x 7 in Ceramic Top, 70-500°C, 200-1600 rpm, 120V. A durable metal housing with a PET front panel, a built-in support rod holder and an ON/OFF switch for heater disconnect give these units a solid, classroom-ready design. Ceramic tops reach up to 500°C and ceramic-coated stainless steel round tops up to 380°C, a hot top indicator warns when the surface is hot, and stirring models run up to 1600 rpm and include a PTFE-coated stir bar. Models are TUV safety certified and run on 100-120V power. LIGHT LABS supplies the OHAUS line with knowledgeable support from our Englewood, Colorado team.
Key Features
- Simple Knob Control – analog knobs set heating and stirring quickly with no menus to learn
- Three Top Options – 4 x 4 in or 7 x 7 in ceramic, or 5.3 in round ceramic-coated stainless steel
- Hot Top Indicator – warning light protects users from touching a hot plate
- Built-In Support Rod Holder – accepts an optional support rod for probes and clamps
- Up to 1600 rpm Stirring – stirring models include a PTFE-coated stir bar
Specifications
| Item Number | 30680258 |
| Brand | OHAUS |
| Description | Guardian 2000 Hotplate Stirrer e-G21HS07C, 7 x 7 in Ceramic Top, 70-500°C, 200-1600 rpm, 120V |
| Function | Heating and Stirring |
| Capacity | 15 L |
| Plate Construction | Ceramic |
| Plate Size | 7 in x 7 in (178 mm x 178 mm) (LxW) |
| Temp. Range | 70°C - 500°C |
| Control | Analog |
| Power Consumption | 1,035 W |
| Dimensions | 12.5 in x 4.4 in x 8.8 in (318 mm x 112 mm x 223 mm) (LxHxW) |
| Working Environment | 5°C – 40°C, 80% RH, Non-condensing (41°F – 104°F, 80% RH, Non-condensing) |
| Speed Range | 200 to 1600 rpm |
| Net Weight | 8.6 lb (3.9 kg) |
| Safety Certification | TUV |
| Power | 100V-120V~ 10A 60Hz |
Related Models
- 30680262 – Guardian 2000 Hotplate e-G21HP04C, 4 x 4 in Ceramic Top, 70-500°C, 120V
- 30680261 – Guardian 2000 Hotplate e-G21HP07C, 7 x 7 in Ceramic Top, 120V
- 30680260 – Guardian 2000 Hotplate e-G21HPRDS, 5.3 in Round Ceramic-Coated Stainless Steel Top, 50-380°C, 120V
- 30680259 – Guardian 2000 Hotplate Stirrer e-G21HS04C, 4 x 4 in Ceramic Top, 120V
- 30680257 – Guardian 2000 Hotplate Stirrer e-G21HSRDS, 5.3 in Round Ceramic-Coated Stainless Steel Top, 50-380°C, 120V
- 30680265 – Guardian 2000 Magnetic Stirrer e-G21ST04C, 4 x 4 in Top Plate, 120V
- 30680264 – Guardian 2000 Magnetic Stirrer e-G21ST07C, 7 x 7 in Top Plate, 200-1600 rpm, 120V
- 30680263 – Guardian 2000 Magnetic Stirrer e-G21STRDS, 5.3 in Round Top, 200-1600 rpm, 120V
Applications
- Boiling liquids
- Basic sample and solution preparation
- Dissolving buffers and reagents
- Preparing media
- Concentrating samples
- Teaching labs
