Product Overview
The SIIG Single Monitor Desk Mount (Model CE-MT1H12-S1) is a height-adjustable, gas spring-assisted full-motion desktop mount designed for monitors ranging from 15 inches to 27 inches and weighing up to 17.6 lbs (8 kg). It provides smooth and effortless viewing angle adjustments for optimal ergonomic positioning. The VESA plate supports both portrait and landscape monitor orientations, offering flexibility for various tasks and preferences.
Important Safety Instructions
- Read all instructions carefully before installation and use to ensure proper setup and prevent damage.
- Do not exceed the maximum weight capacity of 17.6 lbs (8 kg). Overloading can cause instability and potential injury.
- Ensure the mounting surface (desk) is strong enough to support the combined weight of the mount and monitor.
- Use only the provided hardware. If any parts are missing or damaged, contact SIIG customer support immediately.
- Keep children and pets away from the installation area during assembly to prevent accidents.
- Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Package Contents
Verify that all components are present and undamaged before beginning installation. If any items are missing or appear damaged, please contact SIIG customer support.
- Monitor Arm Assembly (Gas Spring Arm)
- Desk Pole
- VESA Plate
- C-Clamp Base
- Grommet Mount Base
- Mounting Hardware (various screws, washers)
- Allen Keys (for assembly and tension adjustment)
- Cable Management Clips

This image displays the individual components of the monitor mount, including the gas spring arm, desk pole, C-clamp, and various mounting hardware.
Setup and Installation
Step 1: Choose Mounting Method
The monitor mount offers two installation options: C-clamp for desk edges or grommet mount for desks with existing holes.

This image illustrates the two available mounting options: the C-clamp for desk edges and the grommet mount for desks with existing holes.
C-Clamp Installation
- Attach the C-clamp base to the bottom of the desk pole.
- Position the clamp on the edge of your desk and tighten the screw until the base is securely fastened.
Grommet Mount Installation
- If your desk has a grommet hole, use the grommet mount base.
- Insert the desk pole through the grommet hole and secure it from underneath the desk with the provided hardware.
Step 2: Attach Monitor to VESA Plate
- Carefully align the VESA plate with the mounting holes on the back of your monitor.
- Secure the monitor to the VESA plate using the appropriate screws provided in the hardware kit. Ensure they are tightened firmly but do not overtighten.
Step 3: Mount Monitor Arm to Pole
- Slide the monitor arm assembly onto the desk pole.
- Adjust the arm to your desired initial height and tighten the collar screw on the pole to secure it in place.
Step 4: Cable Management
Route monitor cables (power, video, etc.) through the integrated cable management clips located on the arm and along the pole. This helps maintain a tidy and organized workspace.
Installation and Adjustment Video
This video demonstrates the complete installation process for the SIIG Single Monitor Desk Mount, including attaching the clamp, mounting the monitor, routing cables, and adjusting the arm's movement.
Operating Instructions
Height Adjustment
The gas spring mechanism allows for smooth and effortless vertical adjustment. Gently push or pull the monitor to the desired height. The arm provides up to 13 inches of vertical adjustment from its lowest to highest point.

This image shows the vertical adjustment range of the monitor arm, highlighting the 13-inch height capability.
Tension Adjustment
If the monitor sags or rises too easily, the gas spring tension needs adjustment. Use the included 6mm Allen key:
- Turn clockwise to reduce tension for lighter monitors.
- Turn counter-clockwise to increase tension for heavier monitors.
Multiple turns may be needed to achieve the desired tension. Test the adjustment by moving the monitor after each set of turns.

This diagram provides instructions on how to adjust the gas spring tension using the provided Allen key to accommodate different monitor weights.
Tilt, Swivel, and Rotation
The VESA plate and arm joints provide extensive movement capabilities:
- Tilt: Adjust the monitor screen up or down by up to 90 degrees.
- Swivel: Rotate the monitor horizontally 360 degrees around the pole.
- Rotation: Rotate the monitor 360 degrees at the VESA plate for easy switching between portrait and landscape orientations.
- Arm Extension: The arm can extend up to 22 inches from the mounting pole, allowing you to pull the monitor closer or push it further away.

This image demonstrates the maximum extension of the monitor arm, which is 22 inches from the base.
Care and Maintenance
- Regularly check all screws and connections to ensure they are tight and secure. Loose connections can affect stability and performance.
- Clean the mount with a soft, damp cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish.
- Do not attempt to lubricate the gas spring mechanism. It is designed to be maintenance-free.
Troubleshooting
Monitor Sags or Does Not Stay in Position
Solution:
Adjust the gas spring tension. Use the 6mm Allen key and turn counter-clockwise to increase tension for heavier monitors. Continue adjusting until the monitor holds its position.
Monitor is Difficult to Move
Solution:
Adjust the gas spring tension. Use the 6mm Allen key and turn clockwise to reduce tension for lighter monitors. Continue adjusting until the monitor moves smoothly.
Mount is Unstable or Wobbles
Solution:
Ensure the C-clamp or grommet mount is securely tightened to the desk. Verify that the desk surface itself is stable and not prone to wobbling. Re-tighten all connection points on the arm and pole.
Product Specifications
| Feature | Detail |
|---|---|
| Model Number | CE-MT1H12-S1 |
| Compatible Screen Sizes | 15" to 27" |
| Weight Capacity | Up to 17.6 lbs (8 kg) |
| VESA Compatibility | 75x75mm, 100x100mm |
| Movement Type | Articulating, Gas Spring Assisted |
| Tilt Angle | Up to 90 Degrees |
| Swivel | 360 Degrees |
| Rotation | 360 Degrees |
| Arm Extension | Up to 22 inches |
| Height Adjustment | Up to 13 inches |
| Mounting Type | Tabletop (C-clamp or Grommet) |
| Material | Aluminum |
| Color | Black & White |
Warranty Information
For detailed warranty information regarding your SIIG Single Monitor Desk Mount, please refer to the official SIIG website or contact SIIG customer support directly. Keep your proof of purchase for warranty claims.
Customer Support
If you encounter any issues, have questions, or require further assistance with your SIIG Single Monitor Desk Mount, please visit the SIIG Store on Amazon or contact SIIG customer service through their official channels. Our support team is ready to help.





