Shelving for ScienceDesk™ Workstations

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• Strong, Melamine-Faced MDF Construction
• Shelves for 900 mm or 1200 mm Wide Workstations
• Hinged Clamps for Easy Fitting
• 300 mm (11.81") Shelf Depth
• Max Load: 50 kg (110 lbs)

The PSY221 and PSY222 Overhead Shelves span the width of the ScienceDesk and are supported by two 750 mm (29.5") tall ScienceDesk posts (included). Slide the shelf along the post to the desired height above the work surface and then secure it using the hinged clamps. Up to two shelves can be mounted onto a single set of supporting posts, as seen in the image to the right. Additional shelves are sold separately; select the PSY223 additional shelf unit if purchasing the PSY221 overhead shelf and the PSY224 unit if purchasing the PSY222 overhead shelf. All shelves can also be mounted directly to our standard Ø1.5" posts.

Each shelf has two hinged clamps, allowing it to be easily positioned by one person anywhere along the post, without needing to remove the existing shelf. Simply secure the clamps to the posts, fit the shelf to the clamps using the M6 bolts provided, and reposition or level as required. For more details on installation, please see the manual, which is available by clicking on the red Docs icon below.

Our PSY240 LED light strips or the HDPS12 power outlets can be mounted underneath the shelf using the M6-tapped holes provided.

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Tilted Overhead Shelf Holding Various Equipment at a 12° Downward Angle for Easy Viewing

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Hinged Clamps Allow for Quick Attachment to Mounting Posts

• Strong, Melamine-Faced MDF Construction
• Tilted Shelves for 900 mm or 1200 mm Wide Workstations
• 12º Tilt from Horizontal Allows for Easy Viewing and Storage of Equipment
• 2 mm Thick Steel Support Bar Securely Holds Equipment on the Shelf
• Hinged Clamps for Easy Fitting
• 300 mm (11.81") Shelf Depth
• Max Load: 50 kg (110 lbs)*

These Overhead Shelves have a 12º downward tilt allowing for easy viewing, operation, and storage of equipment and accessories in the lab, as shown above. Each shelf has a 2 mm thick steel support bar on the front edge that extends 22.0 mm (0.87") above its surface to securely hold equipment and prevent it from sliding off of the shelf. This bar is attached to the shelf using seven provided screws.

The PSY150 and PSY150/S span the width of a 900 mm wide ScienceDesk Frame, while the PSY151 and PSY151/S span the width of a 1200 mm wide ScienceDesk frame. Two 750 mm (29.5") tall posts are included with the PSY150 and PSY151 shelves for direct attachment to the ScienceDesk frame. If additional shelves are needed we also offer the PSY150/S and PSY151/S, which do not include mounting posts. These additional shelves are also ideal if you wish to use our 1000 mm (39.4") tall mounting posts (sold separately) instead of the 750 mm (29.5") tall posts provided with the PSY150 and PSY151. Two overhead shelves can be mounted onto a single set of mounting posts. All shelves can also be mounted directly to our standard Ø1.5" posts.

Each overhead shelf comes with two hinged clamps for attachment to mounting posts, as shown in the image to the right. To install a shelf, secure the clamps at the desired height on the posts. The shelf can then be lowered onto the clamps and attached using the provided M6 cap screws. At this point the shelf can be repositioned or leveled as required. For more details on installation, please see the manual, which is available by clicking on the red Docs icon () below.

Our PSY240 LED light strips or the HDPS12 power outlets can be mounted underneath the shelf using the M6-tapped holes provided.

*Please Note: The maximum load capacity specification refers to the downward force on the shelf and does not directly correspond to the maximum load of the support bar.

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Hinged Clamps Allow for Quick Attachment to Mounting Posts

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Overhead Storage Trays are Ideal for Organizing a Broad Range of Lab Equipment (Not Included)

• Compatible with 900 mm or 1200 mm Wide Workstations
• Strong, Welded-Steel Construction
• Hinged Clamps for Quick Attachment to Mounting Posts
• Four Plastic Storage Bins Included
  • 190 mm Deep x 105 mm Wide x 75 mm High
    (7.48" Deep x 4.13" Wide x 2.95" High)
  • Front Lip Height: 34 mm (1.34")
• Max Load: 50 kg (110 lbs)

These storage trays consist of a steel tray and a front-located steel rack. The top tray includes a removable tool caddy that can be placed along the top tray for flexible storage and organization of tools, components, and accessories. The front-facing rack contains two rows of slots for flexible positioning of the four included plastic storage bins, as shown in the image to the bottom right. See the animation to the right for assembly steps.

The PSY155/S spans the width of a 900 mm wide ScienceDesk Frame, while the PSY156/S spans the width of a 1200 mm wide ScienceDesk frame. The shelves can be mounted to either the 750 mm tall or 1000 mm tall posts for ScienceDesk frames (sold separately). Two overhead trays can be mounted onto a single set of mounting posts. All storage trays can also be mounted directly to our standard Ø1.5" posts.

Each storage tray comes with two hinged clamps for attachment to mounting posts, as shown in the image to the right. To install the tray, secure the clamps at the desired height on the posts. The tray can then be lowered onto the clamps and attached using the provided M6 cap screws. At this point the tray can be repositioned or leveled as required. For more details on installation, please see the animation to the above right, or the manual, which is available by clicking on the red Docs icon () below.

The bottom of the tray also contains five M6 taps spaced for compatibility with our PSY240 LED light strips or HDPS12 power outlets.

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• Strong, Melamine-Faced MDF Construction
• 300 mm x 278 mm (11.8" x 10.9") and 300 mm x 500 mm (11.8" x 19.7") Shelf Sizes
• Maximum Load Capacity: 20 kg (44 lbs)
• PSY191 and PSY192 Include 750 mm (29.5") Post
• PSY191/S and PSY192/S can be Installed Without Removing Post

These Instrument Shelves are smaller in size than the overhead shelves above and can be used to hold a variety of items above the table. The post of the instrument shelf assembly mounts to the upper rails of the ScienceDesk frame (as seen in the image to the left). More than one shelf can be mounted to the same post. All shelves can also be mounted directly to our standard Ø1.5" posts.

The split-clamp design (see the image to the right) allows the shelves to be installed anywhere on the post without removing the existing shelves. Additional shelves are sold separately but do not include support posts. Additionally, a PSY322 Hinged Locking Clamp is available, which will hold the vertical position of the shelf on the post while allowing for free rotational movement around the axis of the post.

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Hinged Clamps Allow for Quick Attachment to Mounting Posts

• Strong, Steel Tray
• Tray: 300 mm x 300 mm (11.81" x 11.81")
• 12.7 mm (0.50") High Lip Along All Four Edges Retains Equipment
• Maximum Load Capacity: 20 kg (44 lbs)
• PSY320 Includes a 750 mm (29.5") Tall Post
• Hinged Clamp Design Allows for Installation Without Removing Existing Shelves
• Removable Rubber Pad Included

The PSY320 and PSY320/S Component Trays can be used to hold a variety of items, such as screws, hex keys, or other tools, near the working surface. A 12.7 mm (0.50") high lip on the four edges prevents parts from falling off of the tray, while the 300 mm x 300 mm (11.81" x 11.81") surface provides adequate space to hold needed tools. Each tray comes with a hinged clamp, shown to the right, to attach it to mounting posts. These clamps allow the tray to be installed anywhere on the post without removing the existing shelves. The trays also include a PSY322 Hinged Locking Clamp, which will hold the vertical position on the post while allowing for free rotational movement around the axis of the post.

A 750 mm (29.5") tall post is included with the PSY320 tray to attach directly to the ScienceDesk frame. If additional trays are needed we offer the PSY320/S, which do not include mounting posts. These additional trays are also ideal if you wish to use our 1000 mm (39.4") tall mounting posts (sold separately) instead of the 750 mm (29.5") tall posts provided with the PSY320. Each components tray can also be mounted directly to our standard Ø1.5" posts.

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PSY321 Bracket Used to Attach a 12" x 12" Breadboard to a Ø1.5" post

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Hinged Clamps Allow for Quick Attachment to Mounting Posts

• Strong, Steel Construction
• Supports Solid Aluminum Breadboards up to 300 mm x 300 mm (12" x 12")
• Maximum Load Capacity: 20 kg (44 lbs)
• PSY321 Includes a 750 mm (29.5") Tall Post
• Hinged Clamp Design Allows for Installation Without Removing Existing Shelves

The PSY321 and PSY321/S Breadboard Brackets are designed to securely mount breadboards onto a Ø1.5" mounting post. Each bracket will support any aluminum breadboard up to 300 mm x 300 mm or 12" x 12" in size, and has a maximum load capacity of 20 kg (44 lbs). A hinged clamp, shown to the right, is included to attach the tray to the mounting posts. Its design allows the bracket to be installed anywhere on the post without removing the existing shelves. Additionally, a PSY322 Hinged Locking Clamp is included, which will hold the vertical position on the post while allowing for free rotational movement around the axis of the post.

A 750 mm (29.5") tall post is included with the PSY321 bracket to attach directly to the ScienceDesk frame. If additional brackets are needed we offer the PSY321/S, which do not include mounting posts. These additional brackets are also ideal if you wish to use our 1000 mm (39.4") tall mounting posts (sold separately) instead of the 750 mm (29.5") tall posts provided with the PSY321. Each bracket can also be mounted directly to our standard Ø1.5" posts.

The breadboard is mounted to the bracket using six 1/4"-20 (M6) cap screws (not included). For more details on installation, please see the manual, which is available by clicking on the red
Docs icon () below.

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PSY360 Bracket Mounting an MB1224 Breadboard and Attached to a ScienceDesk

• PSY360 Supports Breadboards up to 300 mm x 600 mm (12" x 24")
• PSY361 Supports Breadboards up to 600 mm x 900 mm (24" x 36")
• Maximum Load Capacity: 50 kg (110 lbs)
• Strong, All-Steel Construction
• Can be Leveled via Adjustment Screw

These Brackets allow our solid aluminum breadboards to be fixed to the side or rear rails of the ScienceDesk, in a similar way to the side shelves mentioned above. They are available in two sizes; the PSY360 supports breadboards up to 300 mm x 600 mm (12" x 24"), while the PSY361 can be used with breadboards up to 600 mm x 900 mm (24" x 36"). The breadboard can be leveled by adjusting a screw in the rear face of each bracket, using an 4 mm or 9/64" hex key (click the image to the right). Two brackets are supplied that attach to the underside of the breadboard using standard M6 or 1/4"-20 bolts (not supplied).

• Strong, Melamine-Faced, MDF Construction
• Versions for 600 mm, 750 mm, and 900 mm Deep ScienceDesks
• 600 mm (23.6") Wide
• Max Load: 50 kg (110 lbs)

These side shelves can be mounted to either side of the upper side rails of the ScienceDesk, providing a shelf width of 600 mm (23.6"). The shelves are available for ScienceDesks that are 600 mm, 750 mm, or 900 mm deep. The PSY353 shelf is compatible with the 400 mm wide rails on the corner ScienceDesk options.

• Strong, Melamine-Faced, MDF Construction
• Raised Above Breadboard Surface
• Max Load: 15 kg (33 lbs)

These preparation shelves rest on the upper rails of the ScienceDesk frame, allowing the user to create a usable workspace that can be easily repositioned on the frame, while leaving the isolated breadboard undisturbed. The shelf length corresponds to the width of table for which it is designed.

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Computer shelf shown holding a CPU and mounted on the upper rail of the ScienceDesk Frame with our monitor mount and keyboard arm.

• Strong, Melamine-Faced, MDF Construction
• Designed to Hold a Computer CPU
• 260 mm x 450 mm (10.2" x 17.7")
• Maximum Load Capacity: 20 kg (44 lbs)

This Computer Shelf can be ergonomically positioned on the surrounding frame of the ScienceDesk and is ideally suited for supporting a computer. It can be mounted to the upper or lower rails of the ScienceDesk frame and provides a shelf size of 260 mm x 450 mm (10.2" x 17.7").

• Strong, Melamine-Faced MDF Construction
• Shelves for 900 mm or 1200 mm Wide Workstations
• Large Shelf Depth
• Max Load: 100 kg (220 lbs)

These large under shelves span the rear of the ScienceDesk frame and provide a large shelf depth, while still giving leg clearance. The surface provides extensive storage both at the rear and sides of the ScienceDesk and allows heavy items, such as controllers and power supplies, to be stored away from the work surface. The size of the shelf corresponds to the size of frame with which it is to be used. For details on installation, please see the manual. Please note that these shelves are not compatible with our Corner ScienceDesks.

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Locking Clamp Positioned Under Our PSY321 Breadboard Mounting Bracket, Holding it in Place and Allowing for Free Rotation of the Bracket

• Retain the Position of Ø1.5" Post Mounted Accessories
• Hinged Clamp Design Allows for Installation Without Removing Existing Shelves

Thorlabs PSY322 Hinged Locking Clamps are the ideal solution for preventing the unwanted movement of accessories along the axis of the post. Locking the clamp in place (5 mm hex key included) directly under a post-mounted accessory, as shown to the right, prevents the accessory from sliding down the post when it is loosened for adjustments. This also allows mounted shelving or brackets to be freely rotated around the axis of the post to a needed position at any time.