Guardian 7000 Hotplate Stirrers

Category Hot Plate Stirrers
Manufacturer Ohaus
Country of manufacture the United States of America

OHAUS Guardian 7000 Hotplate Stirrers are designed with outstanding safety features and superior heating and mixing performance. The SmartHousing™ is chemical resistant with an innovative, easy-to-clean design that channels spills away from internal components and the angled glass control panel. The bright LCD display includes intuitive icons as well as temperature, speed and time settings – all designed to monitor performance from across the lab.


  • Backlit LCD Display for temperature
  • speed and time
  • green indicator lights when unit is heating and stirring
  • two prominent hot top indicator lights
  • icons for SmartRate™, SmartHeat™, SmartPresence™, SmartLink™, probe in use, Single Point Calibration
  • Timer
  • Stirring from 60 to 1600 rpm (10 rpm increments)
  • temperature range of ambient +5°C to 500°C (ceramic top) or 380°C (aluminum top)
  • power cord (included)
  • 8” (20.3 cm) stainless steel RTD temperature probe
  • 1.5” (3.8 cm) PTFE coated stir bar
  • in-use cover
  • USB port provides flexibility for programming of repeat applications and enhancing safety with SmartLink™ technology; the long range user detection function operated with the OHAUS Bluetooth dongle accessory (sold separately)
  • Probe connection
  • SmartHousing™ stays cool to the touch and is chemical-resistant
  • IP21 Ingress Protection
  • hardened glass front panel
  • control knobs
  • On/Off switch for heater disconnect
  • built-in support rod holder
  • easy-to-clean ceramic or aluminum tops
  • Hot top indicator lights
  • audible alarm
  • SmartHeat™ temperature limiting function
  • SafetyHeat™ shuts off heater in the event of malfunction
  • temperature calibration feature for 5 probe & 5 plate setpoints
  • temperature priority function
  • SmartRate™ functions
Key Attributes
Maximum volume (L): 15 or 18
Minimum Volume (L): N/A
Speed max (rpm): 1600
Speed min (rpm): 60
Max temperature (◦C): 400, or 500
Plate: Square
Plate material: Ceramic
Torque max (Ncm): N/A
Controls: Digital
Timer: Yes
Programmable: No
Reverse rotation: No
Warranty (years): 5
Weight (lbs): N/A
Dimensions Width (in): 14.8, or 17.9
Dimensions Height (in): 4.3
Dimensions Length (in):

9.9, or 13


Manufacturer Specifications
Model e-G71HS07C e-G71HS10C
Function Heating and Stirring Heating and Stirring
Capacity 15 L 18 L
Plate Construction Ceramic Ceramic
Plate Size 7 in x 7 in (178 mm x 178 mm) 10 in x 10 in (254 mm x 254 mm)
Temperature Range Ambient + 5°C – 500°C Ambient + 5°C – 500°C
Speed Range 60 rpm – 1,600 rpm 60 rpm – 1,600 rpm
Calibration Temperature calibration Temperature calibration
Control Digital Digital
Dimensions 4.8 in x 12.2 in x 8.8 in (122 mm x 309 mm x 223 mm) (HxLxW) 4.8 in x 16.3 in x 11.25 in (123 mm x 415 mm x 286 mm) (HxLxW)
Display Custom Backlit LCD Custom Backlit LCD
In-use cover Included Included
Net Weight 5.7 lb (2.6 kg) 11.5 lb (5.2 kg)
Power 120V, 10A, 50/60Hz 120V, 11.2A, 50/60Hz
Power Consumption 1,080 W 1,210 W
Safety Certification TUV TUV
Speed Range 60 to 1600 rpm 60 to 1600 rpm
Speed Stability +/-2% +/-2%
Speed Resolution 10 rpm 10 rpm
Temperature probe Pt1000 Pt1000
Temp. Stability +/-1% Plate, below 100°C +/-1°C and +/-0.5% Probe, below 100°C +/-1°C +/-1% Plate, below 100°C +/-1°C and +/-0.5% Probe, below 100°C +/-1°C
Timer 1 minute – 99 hours, 59 minutes 1 minute – 99 hours, 59 minutes
Working Environment 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing) 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)

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Guardian 7000 Hotplate Stirrers Accessories