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Hotplates & Stirrers
- Ohaus - Guardian™ 2000
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Model : E-G21HP04C
Function : Heating

Model : E-G21HP07C
Function : Heating

Model : E-G21HPRDS
Function : Heating

Model : E-G21HS04C
Fonction :Heating and Stirring

Model : E-G21HS07C
Fonction :Heating and Stirring

Model : E-G21HSRDS
Fonction :Heating and Stirring

Model : E-G21ST04R
Fonction :Stirring

Model : E-G21ST07R
Fonction :Stirring

Model : E-G21STRDS
Fonction :Stirring
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.
Features
- 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
Model | e-G21ST04R | e-G21HP04C | e-G21HS04C |
Function | Stirring | Heating | Heating and Stirring |
Top Plate Size | 4 x 4 in / 10.2 x 10.2 cm | ||
Speed Range | 200 - 1600 rpm | - | 200 - 1600 rpm |
Temperature Range | – | 70 °C - 500 °C | |
Control | Analog | ||
Capacity | 15 L | ||
Top Plate Materia | Resin | Ceramic | |
Dimensions (H x L x W) | 4.3 x 10.4 x 6.4 in / 11.0 x 26.4 x 16.3 cm | ||
Net Weight | 4.7 lb. / 2.1 kg | 4.0 lb. / 1.8 kg | 5.5 lb. / 2.5 kg |
Power | 100V-120V ~2A 50/60Hz | 100V-120V ~5A 50/60Hz | |
Power Consumption | 35W (100~120V) / 35W (220~240V) | 505W (100~120V) / 505W (220~240V) | 535W (100~120V) / 535W (220~240V) |
Working Environment | 41 °F – 104 °F, 80 % RH, non-condensing / 5 °C – 40 °C, 80 % RH, non-condensing |
Model | e-G21ST07R | e-G21HP07C | e-G21HS07C |
Function | Stirring | Heating | Heating and Stirring |
Top Plate Size | 7 x 7 in / 17.8 x 17.8 cm | ||
Speed Range | 200 - 1600 rpm | - | 200 - 1600 rpm |
Temperature Range | – | 70 °C - 500 °C | |
Control | Analog | ||
Capacity | 15 L | ||
Top Plate Materia | Resin | Ceramic | |
Dimensions (H x L x W) | 4.4 x 12.5 x 8.8 in / 11.2 x 31.8 x 22.3 cm | ||
Net Weight | 6.2 lb. / 2.8 kg | 7.1 lb. / 3.2 kg | 8.6 lb. / 3.9 kg |
Power | 100V-120V ~2A 50/60Hz | 100V-120V ~10A 50/60Hz | |
Power Consumption | 35W (100~120V) / 35W (220~240V) | 1005W (100~120V) / 1005W (220~240V) | 1035W (100~120V) / 1035W (220~240V) |
Working Environment | 41 °F – 104 °F, 80 % RH, non-condensing / 5 °C – 40 °C, 80 % RH, non-condensing |
Model | e-G21STRDS | e-G21HPRDS | e-G21HSRDS |
Function | Stirring | Heating | Heating and Stirring |
Top Plate Size | 5.3 in diameter / 13.5 cm diameter | ||
Speed Range | 200 - 1600 rpm | - | 200 - 1600 rpm |
Temperature Range | – | 50 °C - 380 °C | |
Control | Analog | ||
Capacity | 15 L | ||
Top Plate Materia | Ceramic Coated Stainless Steel | ||
Dimensions (H x L x W) | 4.0 x 10.4 x 6.4 in / 10.1 x 26.4 x 16.3 cm | ||
Net Weight | 5.1 lb. / 2.3 kg | 4.0 lb. / 1.8 kg | 5.5 lb. / 2.5 kg |
Power | 100V-120V ~5A 50/60Hz | 100V-120V ~5A 50/60Hz | |
Power Consumption | 35W (100~120V) / 35W (220~240V) | 505W (100~120V) / 505W (220~240V) | 535W (100~120V) / 535W (220~240V) |
Working Environment | 41 °F – 104 °F, 80 % RH, non-condensing / 5 °C – 40 °C, 80 % RH, non-condensing |