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Corning PC 420D Digital Hot Plate Stirrer
Corning PC 420D Digital Hot Plate Stirrer features dial controls for stir and heat, digital display for heat and stir levels light for power and a 5" X 7" platform. Power: 120V. All of our equipment is in excellent condition and fully tested before shipping.
The Corning PC 420D Digital Hot Plate Stirrer includes:
- > Power Cord
- > Operator's Guide
- > Full 180 Day Parts and Labor Warranty
Corning PC 420D Digital Hot Plate Stirrer Specifications
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Temperature Range
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5°C to 550°C
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Stirrer Speed
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60 to 1,150 RPM
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Platform Size
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5 x 7 in (12.7 x 17.8 cm)
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Electrical Requirements
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120V, 60Hz, 5.9A, 698W
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 Click Here to View all the Technical Specs for the PC-420D
- Inspect the display for clarity and brightness, replacing any dim or dead pixels to ensure optimal performance.
- Examine external regulators for structural integrity and damage, replacing if necessary (if applicable).
- Assess the functionality of temperature, CO₂, and H₂O sensors, verifying accuracy and consistency (if applicable).
- Check all internal wiring for frays, tears, or breakages, addressing any compromised sections.
- Confirm software settings are properly configured to match the specifications of internal components.
- Inspect and clean the fan for efficient airflow, replacing if wear or malfunction is detected.
- Verify the condition of wheels and leveling mounts, ensuring stability and ease of movement.
- Inspect door gaskets and latches for sealing integrity, replacing if compromised to maintain proper enclosure.
- Calibrate temperature accuracy to 37°C using an NIST-traceable temperature probe for precision.
- Calibrate CO₂ levels to 5% using a Fyrite combustion test kit to verify environmental control (if applicable).
- Confirm temperature and CO₂ stability over a 24-hour period to ensure consistent conditions.
- Conduct a cosmetic inspection, verifying the unit meets appearance and cleanliness standards.
Technician Inspection and Recertification Checklist
The Following Checklist Is to Be Performed on All Incoming and Outgoing Equipment
| Task |
Completed? |
Remarks? |
| Inspect display for clarity and replace if needed | Completed | |
| Examine external regulators for integrity and damage | Completed | |
| Assess temperature, CO₂, and H₂O sensors for accuracy | Completed | |
| Check internal wiring for frays, tears, or breakages | Completed | |
| Confirm software settings match internal component specs | Completed | |
| Inspect and clean fan, replacing if wear is detected | Completed | |
| Verify condition of wheels and leveling mounts | Completed | |
| Inspect door gaskets and latches for sealing integrity | Completed | |
| Calibrate temperature to 37°C with NIST-traceable probe | Completed | |
| Calibrate CO₂ to 5% with Fyrite combustion test kit | Completed | |
| Confirm 24-hour temperature and CO₂ stability | Completed | |
| Conduct cosmetic inspection to ensure appearance standards | Completed | |
To View More of Our Recertification Protocol Click Here
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Happy Customer 
