Hotplates & Stirrers
- Ohaus - Guardian™ 3000
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Model : E-G31HS04C -K1

Model : E-G31HS07C -K1

Model : E-G31HSRDS -K1

Model : E-G31HS04C

Model : E-G31HS07C

Model : E-G31HSRDS
Affordable Digital Hotplate Stirrers Designed for Safety, Powerful Stirring and Fast Heating
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.
Features
- 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.
Model | e-G31HSRDA | e-G31HS04C | e-G31HS07C | |
Kit Model** | e-G31HSRDA -K1 | e-G31HS04C -K1 | e-G31HS07C -K1 | |
Function | Heating and Stirring | |||
Top Plate Size | Ø 5.3 in / 13.5 cm | 4 x 4 in / 10.8 x 10.8 cm | 7 x 7 in / 18 x 18 cm | |
Top Plate Material | Ceramic Coated Stainless Steel | Ceramic | ||
Control | Digital | |||
Display | 75 x 20 mm White Character LCD | |||
Temperature Range | Ambient + 5°C – 380°C | Ambient + 5°C – 500°C | ||
Set Temperature Increments | 1°C | |||
Temperature Readability | 1°C | |||
Temperature Stability* | +/-3% Plate, below 100°C +/-2°C and +/-2% Probe, below 100°C +/-2°C | |||
Temperature Calibration (SPC) Set Points | 1 point for Plate and 1 point for Probe | |||
Probe Connection | PT1000 (Class A) | |||
Heating Power | 500W at 120V 500W at 230V | 1000W at 120V 1000W at 230V | ||
Speed Range | 80 - 1600 rpm | |||
Speed Stability* | +/-2% | |||
Stirring Capacity | 15 L H2O | |||
IP Rating | IP21 | |||
Housing | Painted Aluminum | |||
Dimensions (L x W x H) | 26.4 x 16.3 x 10.1 cm 10.4 x 6.4 x 4.0 in | 26.4 x 16.3 x 11.0 cm 10.4 x 6.4 x 4.3 in | 31.8 x 22.3 x 11.2 cm 12.5 x 8.8 x 4.4 in | |
Working Environment | 41°F – 104°F, 80%RH, non-condensing / 5°C – 40°C, 80%RH, non-condensing | |||
Net Weight | 5.5 lb. / 2.5 kg | 5.5 lb. / 2.5 kg | 8.6 lb. / 3.9 kg | |
Power Input | 550W at 120V 550W at 230V | 1050W at 120V 1050W at 230V | ||
Electrical (50/60Hz) | 100-120V, 5A 220-240V, 4A | 100-120V, 10A 220-240V, 7A |
* Conditions permitting. Variations in temperature and speed measurement processes, vessel, ambient and sample will impact actual performance. To improve temperature accuracy of the system use the Single Point Calibration feature.
** Kit-1 (“K1”) has the Temperature Probe 30500590 and the Probe Holder Kit 30973298 included in package.