Ergotron 33-397-085 – WorkFit-T Sit-Stand Desktop Workstation, Black
Overview
The Ergotron 33-397-085 is a WorkFit-T Sit-Stand Desktop Workstation designed to convert an existing desk or tabletop into a height-adjustable workstation. The black workstation has a grey work surface and sits directly on top of the desktop without requiring clamping, drilling or permanent installation.
The WorkFit-T moves vertically in a straight up-and-down motion, keeping the workstation within its desktop footprint throughout the adjustment range. Ergotron's Constant Force technology provides smooth manual height adjustment without motors or cranks. The unit ships fully assembled and can be placed directly on a suitable tabletop.
Technical Information
The 33-397-085 provides 15 inches (38 cm) of vertical adjustment and supports a total operating load of 10–35 lb (4.5–15.9 kg). Ergotron specifies support for displays up to 30 inches. The worksurface measures 35 x 23 inches (89 x 59 cm), while the keyboard tray measures approximately 25 x 9 inches (64 x 23 cm).
The keyboard tray moves in tandem with the worksurface and remains approximately 4.5 inches (11.4 cm) below the worksurface to maintain ergonomic spacing. A display can be placed directly on the worksurface, or a compatible WorkFit monitor mount kit can be added separately.
The workstation has a 35-inch-wide footprint and requires a desktop surface at least 24 inches (61 cm) deep. The straight vertical movement helps keep the platform within the footprint of the supporting desk.
Compatibility
The Ergotron 33-397-085 is designed for use on load-bearing desk or tabletop surfaces measuring at least 24 inches (61 cm) deep. It supports displays and equipment within the 10–35 lb (4.5–15.9 kg) operating load range.
Displays may be positioned directly on the worksurface, or compatible Ergotron WorkFit monitor kits can be added separately. Supported accessories include the WorkFit LCD & Laptop Kit 97-907, Dual Monitor Kit 97-904, Single LD Monitor Kit 97-905 and Single HD Monitor Kit 97-906.
For installation of compatible LX desk arms through the WorkFit-T surface, Ergotron specifies the separately ordered LX Arm Grommet Mounting Kit 98-017.
Key Features
- Provides 15 inches (38 cm) of smooth sit-stand height adjustment.
- Supports a total operating load of 10–35 lb (4.5–15.9 kg).
- 35 x 23-inch (89 x 59 cm) worksurface with integrated 25 x 9-inch keyboard tray.
- Moves straight up and down to remain within the desktop footprint and requires no permanent mounting.
- Ships fully assembled and uses Constant Force technology, with a 5-year warranty.
Applications
The Ergotron 33-397-085 is suited to office workstations, home offices, call centers, administrative environments, professional workspaces and other applications where an existing desk needs to be converted to sit-stand operation without replacing the desk. Its freestanding design also makes it suitable for shared or flexible work areas where permanent installation is undesirable.
DC Supplies Product Note
The exact MPN 33-397-085 identifies the black WorkFit-T with grey surface. It should not be confused with the white 33-397-062 or the larger WorkFit-TL models. The 33-397-085 is the medium WorkFit-T configuration with a 35 x 23-inch worksurface, 15-inch lift and 10–35 lb operating load.
Specifications
| Brand | Ergotron |
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| Part Number | 33-397-085 |
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| Product Type | WorkFit-T Sit-Stand Desktop Workstation |
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| Color | Black with grey surface |
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| Mounting Type | Freestanding desktop converter |
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| Height Adjustment | 15 in (38 cm) |
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| Operating Load Capacity | 10–35 lb (4.5–15.9 kg) |
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| Maximum Display Size | Up to 30 in |
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| Worksurface Dimensions | 35 x 23 in (89 x 59 cm) |
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| Keyboard Tray Dimensions | 25 x 9 in (64 x 23 cm) |
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| Recommended Maximum Keyboard Width | 18 in (45 cm) |
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| Keyboard Tray Position | 4.5 in (11.4 cm) below worksurface |
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| Footprint | 35 x 23 in (89 x 59 cm) |
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| Minimum Desk Depth | 24 in (61 cm) |
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| Height Adjustment Method | Manual Constant Force technology |
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| Installation | Place directly on tabletop; no permanent mounting required |
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| Shipping Dimensions | 38.5 x 28 x 8.5 in (98 x 71 x 21.6 cm) |
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| Product Weight | 51.2 lb (23.2 kg) |
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| Shipping Weight | 57.7 lb (26.2 kg) |
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| Warranty | 5 years |
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FAQs
What is the Ergotron 33-397-085?
The 33-397-085 is an Ergotron WorkFit-T Sit-Stand Desktop Workstation that converts an existing tabletop into a height-adjustable workstation.
How much height adjustment does the WorkFit-T provide?
The 33-397-085 provides 15 inches (38 cm) of vertical adjustment.
What is the weight capacity?
The specified operating load is 10–35 lb (4.5–15.9 kg).
What monitor size does the 33-397-085 support?
Ergotron specifies support for displays up to 30 inches. A compatible monitor mount kit can be added separately when required.
What are the worksurface dimensions?
The WorkFit-T worksurface measures 35 x 23 inches (89 x 59 cm).
What are the keyboard tray dimensions?
The keyboard tray measures approximately 25 x 9 inches (64 x 23 cm), with Ergotron recommending a maximum keyboard width of approximately 18 inches (45 cm).
Does the keyboard tray move with the worksurface?
Yes. The keyboard tray moves in tandem with the worksurface and is positioned approximately 4.5 inches (11.4 cm) below it.
Does the WorkFit-T require permanent desk mounting?
No. The 33-397-085 sits directly on a suitable tabletop and does not require clamping, drilling or permanent mounting. It ships fully assembled.
How deep must the supporting desk be?
Ergotron specifies a minimum supporting desk depth of 24 inches (61 cm).
Can a monitor arm be added?
Yes. Compatible WorkFit monitor kits can be added separately. For compatible LX desk arms installed through the WorkFit-T surface, Ergotron specifies the separate 98-017 LX Arm Grommet Mounting Kit.
What is the warranty?
The Ergotron 33-397-085 carries a 5-year warranty.
