Description

OHAUS Guardian™ 3000 Hotplate-Stirrer, e-G31HS07C, 120V, 7" x 7" Ceramic Plate | USA Lab

Affordable digital hotplate-stirrer engineered for safety, rapid heating, and powerful mixing. The Guardian™ 3000 features SafetyHeat™ early-detection protection, a rugged spill-resistant metal housing, and a smooth, chemical-resistant ceramic top for fast cleanups.

Backlit LCD shows temperature and speed at a glance, with clear hot-top and heating/stirring indicators. Use the optional temperature probe for precise sample control. Ideal for boiling liquids, water/oil baths, media prep, dissolving buffers and reagents, and general lab workflows.

Digital Control 7" × 7" Ceramic Plate Up to 500 °C 80–1600 rpm SafetyHeat™ 15 L Capacity Backlit LCD

Industry-leading safety. SafetyHeat™ uses dual independent controls to monitor electronics and stop heating before overheating occurs.

Built to last. Durable metal housing with spill-resistant design and a smooth, chemical-resistant ceramic top for easy cleaning.

Precise & versatile. Digital control with probe-ready operation, 80–1600 rpm stirring, and up to 500 °C heating (ceramic plate).

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Data Sheet

Why this OHAUS Guardian™ 3000?

Safety first — SafetyHeat™ early detection with dual independent controls helps prevent overheating.
Rugged, cleanable design — metal housing and smooth ceramic top resist spills and chemicals.
Backlit LCD — easy-to-read temperature & speed with hot-top and heating/stirring indicators.
Probe-ready accuracy — optional temperature probe for precise sample control and single-point calibration.
Everyday lab workhorse — 15 L capacity, 80–1600 rpm, +5 °C to 500 °C heating range (ceramic plate).

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Technical Specifications

Model	e-G31HS07C (Guardian™ 3000, 7" x 7" Ceramic)
Item Number	30680267
Function	Heating and Stirring
Capacity	15 L
Plate Construction	Ceramic
Plate Size	7 in × 7 in (178 mm × 178 mm)
Temperature Range	Ambient +5 °C – 500 °C (ceramic plate)
Control	Digital (Back-lit LCD)
Power Consumption	1,050 W
Speed Range	80 – 1600 rpm
Dimensions (L × H × W)	12.5 in × 4.4 in × 8.8 in (318 × 112 × 223 mm)
Working Environment	5 °C – 40 °C, 80% RH, non-condensing (41 °F – 104 °F)
Net Weight	8.6 lb (3.9 kg)
Safety Certification	TUV
Temperature Stability	±3% (plate), below 100 °C ±2 °C; with probe ±2%/±2 °C
Temperature Probe	Available as an accessory
Calibration	Single-point: 1 plate / 1 probe
Power Input	100–120 V~ 10 A, 50/60 Hz
Display Indicators	Heating, stirring (green LEDs); hot-top indicator; probe-in-use; single-point calibration
Applications	Boiling liquids, water/oil bath prep, sample/media prep, dissolving buffers/reagents, concentrating
Construction & Features	Metal housing; PET front panel; control knobs; heater disconnect switch; support-rod holder
Family	OHAUS Guardian™ 3000 Hotplates & Stirrers

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FAQ

What makes SafetyHeat™ different?

SafetyHeat™ uses two independent safety controls to monitor the electronics and proactively cut heating if abnormal conditions are detected, reducing risk of overheating.

What is the heating and stirring performance?

Heating range is ambient +5 °C up to 500 °C on the 7" ceramic plate, with a stirring range of 80–1600 rpm and a working capacity up to 15 L.

Can I use a temperature probe for closed-loop control?

Yes. An optional probe connects directly to the unit for precise sample temperature control and single-point calibration.

Is the top plate chemical resistant?

The smooth ceramic surface is highly chemical-resistant and easy to clean—ideal for routine lab use.

What certifications does it have?

The e-G31HS07C carries TUV safety certification and is designed for 5–40 °C, 80% RH, non-condensing environments.