Buchi B-491 Heating Bath
Temperature Range
20°C to 180°C
Temperature Accuracy
± 2°C
Maximum Capacity
4L Flask
- Shows both the actual temperature and the setpoint for precise control and monitoring.
- Specifically designed for use with the Buchi evaporating systems R-210 and R-215, ensuring seamless integration.
- Its wide temperature range makes it suitable for various laboratory applications.
- The digital display coupled with analog control offers a balance of ease of use and precision.
The Buchi B-491 Digital Heating Bath 120V can be adjusted from 20° to 180°C and can hold up to a 4000 mL flask. Its wide temperature range makes this bath ideal for versatile applications. Display shows actual temperature and setpoint. (The B-491 is for use with and included in evaporating systems R-210 and R-215.)
All of our equipment will be fully tested to perform at factory specifications before being shipped.
The Buchi B-491 Heating Bath 120V includes:
- > Power Cord
- > Power Base
- > Full 180 Day Parts and Labor Warranty
Buchi B-491 Heating Bath Specifications
|
Temperature Range |
20°C to 180°C |
|
Temperature Accuracy |
±2°C |
|
Control |
Analog |
|
Capacity |
4L Flask |
|
Compatibility |
R-210 and R-215 Rotavapor Systems |
|
Electrical Requirements |
100-120V, 50/60Hz, 1700W |
| Display | Digital |
| Overall Dimensions (W x H x D) | 28.5 x 24 x 30 cm |
- Confirm power supply and PCB are outputting stable, correct voltages across all essential circuits to ensure reliable operation
- Inspect the display for any dim, flickering, or dead pixels, replacing any compromised sections to maintain full clarity and accurate readouts
- Verify that all buttons, knobs, and switches are functioning properly, providing precise and responsive control across all settings
- Conduct a thorough inspection of the water reservoir for any holes, rust, or other structural damage that may impact its integrity
- Fill the reservoir with water, checking closely for any external or internal leaks that could affect performance
- Examine the lid for any signs of wear or damage, replacing hinges and handles if necessary to ensure a secure and proper seal
- Inspect for any internal leaks originating from the water reservoir, confirming the unit’s internal plumbing integrity
- Conduct a comprehensive inspection of internal wiring for any breakages, tears, or wear; replace any underperforming or damaged components to maintain safe operation
- Examine internal insulation for signs of burns, breaks, or deterioration, replacing as needed to ensure thermal efficiency and safety
- Confirm that all feet are intact and that the bath sits level and balanced on a flat surface to prevent movement or instability
- Calibrate both temperature accuracy and uniformity using a NIST-traceable temperature probe, verifying compliance with specification standards
- Perform a detailed cosmetic inspection to confirm that all external surfaces and finishes meet aesthetic and quality standards
Technician Inspection and Recertification Checklist: Water Bath
The Following Checklist Is to Be Performed on All Incoming and Outgoing Pieces of Equipment| Task | Completed? | Remarks? |
| Confirm power supply and PCB output stable, correct voltages across circuits | Completed | |
| Inspect display for dim, flickering, or dead pixels; replace for clarity | Completed | |
| Verify functionality of all buttons, knobs, and switches for responsive control | Completed | |
| Inspect water reservoir for holes, rust, or structural damage | Completed | |
| Fill reservoir with water; check for external or internal leaks | Completed | |
| Examine lid for wear or damage; replace hinges or handles as needed | Completed | |
| Inspect for internal leaks from water reservoir to confirm plumbing integrity | Completed | |
| Check internal wiring for damage; replace underperforming components for safety | Completed | |
| Examine internal insulation for burns, breaks, or deterioration; replace as needed | Completed | |
| Confirm feet are intact and bath is balanced on flat surface | Completed | |
| Calibrate temperature accuracy and uniformity with NIST-traceable probe | Completed | |
| Perform cosmetic inspection to confirm quality of external surfaces and finishes | Completed |
Buchi B-491 Heating Bath Manual
Click Here to View the Technical Specs for the Buchi B-491 Heating Bath


Click Here to View the Technical Specs for the Buchi B-491 Heating Bath