Thermo Scientific Rocking Shaker, model # M79700
Thermo Scientific Rocking Shaker, model # M79700. All of our equipment will be fully tested to perform at factory specifications before being shipped.
> Power Cord
> Full 180 Day Parts and Labor Warranty
Thermo Scientific Rocking Shaker # M79700 Specifications
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Speed Range |
5 to 30 RPM |
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Rocking Angle |
1 to 48 angle |
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Load Bearing Capacity |
6.8 kg |
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Dimensions (L x W x H) |
12 x 15.6 x 7.3 in (30.4 x 39.6 x 18.5 cm) |
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Electrical Requirements |
120V, 50/60Hz |
- Validate that the power supply and PCB deliver stable, correct voltage outputs across all necessary connections, ensuring reliable operation
- Thoroughly inspect the display for any dim, flickering, or dead pixels; replace affected elements to maintain full readability and operational clarity
- Test the full range of button functionality, confirming responsive, accurate input recognition across all settings
- Conduct a detailed inspection of bearings and bearing housing, identifying any worn or damaged bearings, and replace as needed to prevent operational disruption
- Examine the drive belt for signs of cracking, fraying, or material breakdown; replace as required to ensure sustained performance
- Measure and adjust motor drive belt tension to optimal specifications, securing reliable and efficient power transmission
- Verify accuracy of the onboard timer, confirming proper functionality and replacing if it deviates from expected performance
- Calibrate shaker rotation speed with a NIST-traceable tachometer, validating precision within specified operational limits
- Run the shaker continuously for an 8-12 hour testing period, closely observing the shaking platform for smooth, consistent motion, while monitoring for any error indicators such as knocking, skipping, or unusual vibrations
- Perform a comprehensive cosmetic inspection to confirm the device’s exterior meets aesthetic and quality standards, free from visible damage or wear
Technician Inspection and Recertification Checklist: Shakers
The Following Checklist Is to Be Performed on All Incoming and Outgoing Pieces of Equipment| Task | Completed? | Remarks? |
| Validate stable, correct voltage outputs from power supply and PCB | Completed | |
| Inspect display for dim, flickering, or dead pixels; replace as needed | Completed | |
| Test button functionality for responsiveness and accuracy across all settings | Completed | |
| Inspect bearings and housing for wear; replace as needed to prevent disruption | Completed | |
| Examine drive belt for cracking, fraying, or material breakdown; replace as required | Completed | |
| Measure and adjust motor drive belt tension to optimal specifications | Completed | |
| Verify onboard timer accuracy; replace if it deviates from expected performance | Completed | |
| Calibrate shaker rotation speed using a NIST-traceable tachometer | Completed | |
| Run 8-12 hour continuous test; observe platform for smooth, consistent motion | Completed | |
| Perform comprehensive cosmetic inspection for quality standards compliance | Completed |



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