1 Lever Height:
- Nylon Base: 19" to 27".
- Chrome Base: 20" to 28"
- Aluminum Base: 18" to 26".
3 Lever Height:
- Nylon Base: 20" to 28".
- Chrome Base: 22" to 30"
- Aluminum Base: 20" to 28".
- Seat: 19" Wide, 17" Deep. Waterfall Front. Fully Ergonomic.
- Back: 13.5" High. Comfortable Lumbar Support.
- Base: 5 Leg.
- Casters: 60mm.
- Weight Capacity: 450#.
- Footring Diameter: 18".
Foam Construction: 2.5” Thick Quadruple Density urethane foam. The top layer is Memory Foam for exceptional comfort, under that is soft foam maximize comfort for lighter weight people, then Medium Density followed by extra firm foam for the heavier people.
Fabrics: Marquesa Lana Polyolefin Fabrics.
Fabric Durability: Estimated 25 years use.
Seat Pan: Seven Ply Individually Formed Hardwood Plywood.
Structural Standards: Meets All Requirements of ANSI/BIFMA, DIN and GSA.
Fire Standard: Meets California Fire Standard 117.
Cleaning: Mild Soap and Water.
Industrial Grade Chair Comparisons
| Description | *BenchPro | *Gibo Kodama | *BEVCO | *Biofit | Indl Seating | ULINE |
| TALL CHAIRS | ||||||
| Polyurethane | $170 | $374 (alum base) | $300 | $411 | $213 | $215 |
| Polyurethane ESD | - | - | $514 | - | - | $455 |
| Fabric | $215 | $395 | $330 | $450 | $229 | $305 |
| Fabric ESD | $235 | $515 (Short chair, alum base) | $420 | $609 | $237 | $420 |
| Vinyl | $220 | $404 (Short chair, alum base) | - | - | $235 | $365 |
| Vinyl ESD | $263 | $550 (alum base) | $670 | - | $282 | - |
| Cleanroom | $261 | - | $548 | $518 | $279 | - |
- Standard: ESD laminate top with grounded frame under standard (insulating) powder coat.
- Upgrade: Entire frame, legs, and structure coated with static-dissipative ESD paint (10⁶–<10⁹ Ω to ground).
- Spec: Fits the ANSI/ESD S4.1 worksurface guideline of ≥1×10⁶ to <1×10⁹ Ω and the ANSI/ESD S20.20 requirement of <1×10⁹ Ω to ground.
- Result: Top, frame, and legs all function as one ESD-controlled workstation, not just the worksurface.
Electrostatic Discharge (ESD) Control Testing
Electrostatic discharge (ESD) control testing was performed in accordance with ANSI/ESD S20.20-2021, using the ANSI/ESD STM4.1-2017 test method for worksurfaces.
The objective of this testing is to verify that the ESD paint and steel structure meet the required Resistance to Ground (RtG) limits so the bench is suitable for use in an Electrostatic Protected Area (EPA).
Product Under Test:
ESD workbench with ESD-finished steel structure.
Scope and Approach
Testing was carried out on the ESD workbench at representative contact points along the painted structure, following the discharge path from the ESD paint through the frame to the grounding connection point. This validates that the bench provides a controlled, compliant path to ground across the structure for use in EPA environments.Tools Used
To perform the resistance measurements, we used a DESCO LCD Megohmmeter (Item A50070), a meter designed for testing ESD worksurfaces and grounding paths.
Measurements were taken by connecting one terminal of the meter to the ground reference point and placing the test electrode on each selected point of the painted structure.
Note: According to ANSI/ESD S20.20-2021, the maximum allowable Resistance to Ground (RtG) for ESD worksurfaces in an EPA is < 1.0 × 10⁹ ohms.
PROCESS & RESULTS: Work Surfaces
Measurements were taken from the main worksurface and shelving to the ground point. Both surfaces showed excellent conductivity.
| Test Location | Result (Ohms) | Limit | Status |
|---|---|---|---|
| Worksurface Top | 4.4 × 10⁸ | < 1×10⁹ | PASS |
| Top Shelf | 3.3 × 10⁶ | < 1×10⁹ | PASS |
PROCESS & RESULTS: Accessories
Vertical accessories and holders were tested to ensure the paint provides a path to ground throughout the structure.
| Test Location | Result (Ohms) | Limit | Status |
|---|---|---|---|
| Pegboard | 1.9 × 10⁵ | < 1×10⁹ | PASS |
| Roll Holder | 2.0 × 10⁷ | < 1×10⁹ | PASS |
| Bin Box Rail | 1.4 × 10⁶ | < 1×10⁹ | PASS |
| MHLK (LCD Monitor + Keyboard Holder) | 3.7 × 10⁷ | < 1×10⁹ | PASS |
PROCESS & RESULTS: Storage & Ground
Drawers and the main frame were tested. All components passed, ensuring a safe discharge path for the operator and equipment.
| Test Location | Result (Ohms) | Limit | Status |
|---|---|---|---|
| Drawer 1 | 1.2 × 10⁵ | < 1×10⁹ | PASS |
| Drawer 2 | 4.0 × 10⁵ | < 1×10⁹ | PASS |
| Frame | 2.1 × 10⁷ | < 1×10⁹ | PASS |
| Power Strip | 2.6 × 10⁷ | < 1×10⁹ | PASS |
Conclusion
Testing demonstrates that the ESD workbench is in full compliance with the Resistance to Ground (RtG) requirements for structures and surfaces that come into contact with static-sensitive items.
- Final Declaration:The product meets the ANSI/ESD S20.20-2021 acceptance limit of < 1.0 × 10⁹ ohms RtG.
- Suitability: The ESD paint and finished steel structure are suitable for use in Electrostatic Protected Areas (EPAs) and provide a compliant foundation for an effective ESD control program.
- Meets and Exceeds All ANSI/BIFMA Standards.
- Independantly Tested to Stability Standard
- Unconditional 10 Year Warranty.
- Stainless Steel Chair Controls. (Exclusive). View Video.
- 3 Layer Foam Seat Cushions to Extended Comfortable Life.
- Newest Ergonomic Designs for “All Day” Comfort.
BenchPro™ offers a 10-year unconditional warranty on our seating . . . .because we can.
We make sure the chairs are well built, and the fabrics and foams we use will last longer than 10-years of heavy use.
Example: Seat plates (under the seat cushion) are made for sale in at least 10 countries. We have tested each one of these and found them too weak to pass BIFMA and our standards, so we made all the tooling to produce the parts, and make our own. We sell them to a few other quality chair manufacturers.
While other brands have pressed together and crimped connections, ours use better methods and are assembled by welding. These photos show 24 mig spot welds and 2 circular mig welds. Then we powder paint them.
We carry liability insurance. It has never been used!
Seating Products Warranty- Frames are warranted to stay as strong as when they were new for 10 years. - Upholstery, including the foam, fabric and molded wood understructure must remain attractive and in proper working condition for five years. (The exception shall be damage due to customer impacts, burns, stains, cuts, etc.) - Our bumper-grade chrome will not delaminate, fade, rust or become unattractive for 10 - years. - Static Control (ESD) properties of our seating must remain within the nationally accepted standards of ANSI/ESDA S20.20, GSA and The ESD Association established and in place at the time of sale, for 10 - years. - Clean room seating must maintain the standards of a Class 100 for 10 - years. Exceptions: Our seating warranty is extended to the original purchaser and is prorated when the chairs are used in multiple-shift operations. Service: Call BenchPro™ at 888-700-9888 or email info@benchpro.com. Customers only have the obligation to report the problem and BenchPro™ will take care of the rest. BenchPro™ will either refund the entire purchase price including freight (if by our freight carrier) and tax (if any) or replace the product or component that is defective at our discretion. Due Diligence: Please, if a chair is found to be defective in a way that could lead to an accident, take it out of service and tag it as dangerous until replacements or replacement parts are received and assembled. Destruction: Dangerous products should not be put into open waste disposal system until they have been made unusable, so no third party can claim them and be injured. Product Returns: 1. No return is ever required. (We may ask for an electronic photo in cases where we have not seen the problem before). 2. If the product is purchased but not needed, and returned with freight prepaid, and in new condition with original packing materials, we charge a restocking fee. We also charge a restocking fee for products ordered but cancelled after the product is built. (This is to cover our repackaging, reselling and handling). Restocking fee schedule:
A. Lincoln and Washington Series in standard sizes and colors will be charged 15%.
B. Custom design and non-catalogue items are non-returnable.
C. No product shall be returned after 60 days. From the lawyers: In no case shall BenchPro™, its distributors, employees, related divisions, and other entities be responsible for any direct, consequential or indirect damage caused by the use, inability to use, or incorrect use of our products. Our liability is limited to replacement of product or a full refund.
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Add Fixed, Adjustable or ESD Arms.
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Add Braking, Urethane or Glides.
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Keep Small Parts Close to You.
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Convenient Bottle Handling.
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Accommodates any Tool.
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