AVI-200 Series
The AVI-200 platforms help users achieve more from their research by removing disruptive low frequency vibrations from affecting their measurements. The AVI-200 platforms are field-tested solutions, leading the industry in terms of low-frequency active vibration isolation performance (starting at 0.5 Hz) for compact microscopes performing nanoscale research.
Manufacturer
Table Stable
The Table Stable Ltd: the world leader in active vibration isolation, and in high resolution, high contrast spectroscopy. Low power piezoelectric technology combined with Swiss quality sets their products apart from the competition.
Key Features
- Low-profile and modular design
- Easy-to-install
- Available in three standard sizes: AVI-200S, AVI-200M, and AVI-200XL.
Performance
The transmissibility graph represents the vibration isolation performance of the AVI-200 Series over a frequency domain. The performance data is representative of all rotational modes of vibration (all six degrees of freedom) and should serve as a conservative estimate of performance customers can receive when pairing their instrument with an AVI-200 platform.
Performance Comparison Images
Researchers operating two separate AFMs imaged different samples under two unique conditions: without a vibration isolation system and with an AVI-200S platform. The resulting images demonstrate a significant improvement in image quality and overall measurement clarity when an AVI platform is used to support an AFM.
Top left: AFM image without vibration isolation
Top right: AFM image with active vibration isolation
Bottom left: AFM image without vibration isolation
Bottom right: AFM image with active vibration isolation
Performance Upgrade – LFS System
The AVI-200 Series can improve its low-frequency vibration isolation performance by pairing it with the LFS System (Low Frequency Sensor). This upgrade enables the platform to isolate vibrations starting at 0.5 Hz and can be easily retrofitted for existing systems in the field. More details on the upgraded performance can be found below.
Performance Highlights
| Product Series | Resonant Frequency | Isolation Starting At | Isolation % at 2.5 Hz | Isolation % at 5 Hz | Isolation % at 10 Hz | Max. Isolation % | Isolation Performance | Active Vibration Isolation Bandwidth |
| AVI-200 Series | None | 1 Hz | 90% | 97% | 99% | 99.8% at 70 Hz | Greater than 40 dB | Up to 200 Hz |
| AVI-200 Series with LFS System | None | 0.5 Hz | 95% | 99% | 99.5% | 99.8% at 20 Hz | Greater than 55 dB | Up to 200 Hz |
Workstation Integration
Due to the modular and scalable form factor of the AVI Series, workstation integration is seamless and popular among users who prefer to perform their research on a workstation. The NDW-A Series is the culmination of the AVI Series being paired with a workstation frame, which can be modified or adapted as needed to individual research requirements.
Acoustic Enclosure Integration
When paired with an acoustic enclosure, the AVI Series offers comprehensive protection against acoustic and vibration noise, enabling researchers to perform precise measurements in a quiet environment. Compatible with both desktop and workstation acoustic enclosures, the AVI Series delivers unmatched versatility for a wide range of instruments and applications.
Custom Top Plate Sizes & Materials
Due to the modular form factor of the AVI Series platform, it is common for end users to pair the system with a top plate, which will directly interface with their instrument. The AVI Series can work with any material type, as long as the material is rigid and flat. Common materials used with the AVI Series platform include: damped aluminium, granite block, breadboard, drilled and tapped plate, and more.
Rack Mountable Controller
Rack mount controllers are an easy upgrade for the AVI Series platform when users have a confined working area and are utilising a rack for organising their existing instrumentation. Using the standard 19″ rack size, the AVI Series can seamlessly integrate into existing instrument setups, saving valuable lab space.
Shaker Integration (Exciter Box)
The Exciter Box (when paired with a sine wave generator) allows an excitation signal to be applied to any AVI Series platform, transforming the platform into a multi-directional shaker (X, Y, and Z). The excitation directions are easily modified using the mode switch function on the front of the exciter box and can be disabled when the platform needs to be used as an active vibration isolation platform.
Technical Specifications
| Specification | AVI-200S | AVI-200M | AVI-200XL |
| Dimensions (W x D x H) (single isolator dimensions) | 4.7 x 14.1 x 4.4 inches / 120 x 360 x 112.5 mm | 5.1 x 23.6 x 4.4 inches / 130 x 600 x 112.5 mm | 5.1 x 32.3 x 4.4 inches / 130 x 820 x 112.5 mm |
| Load Capacity (two isolator platform) | 700 Lbs / 318 Kgs | 1,000 Lbs / 455 Kgs | 1,000 Lbs / 455 Kgs |
| System Weight (two isolator platform) | 43 Lbs / 19.5 Kgs | 52 Lbs / 23.5 Kgs | 52 Lbs / 23.5 Kgs |
| Isolation Technology | Piezoelectronic sensors, actuators, and control electronics | ||
| Force Directions | Active vibration isolation in all six degrees of freedom | ||
| Required Floor Flatness | 2 mm per metre | ||
| Isolation Characteristics | Dynamic 1 Hz to 200 Hz, Passive beyond 200 Hz | ||
| Transmissibility | Set transmission curve and product highlights section for more details. Above 10 Hz transmissibility <0.017 decreasing rapidly | ||
| Correction Forces | Maximum 4N horizontally, 8N vertically | ||
| System Noise | Less than 50nG/√Hz from 0.1 - 200 Hz in any direction | ||
| Static Compliance | Approx. 3.5μm/N vertically, 7μm/N horizontally |
| Specification | AVI-200 Controller |
| Safety Class | 1 |
| Power Consumption | Typically 9W |
| Input Voltage | 90-125VAC / 200-250VAC, 50-60Hz |
| Fuses | 2 x 1.6A/250V slow. Located in the power socket on the rear side of the controller. |
| Overload Indication | 8 LEDs indicate overload condition in input stage. |
| Monitor Signal | A multiplexed signal for display on oscilloscope shows vibration levels with and without isolation. |
Applications
The AVI-200 platforms support a wide range of high-precision microscopes sensitive to low-frequency vibration noise. The most common application for the AVI-200 platforms is atomic force microscopy, supporting both end users and OEMs around the world by removing low-frequency vibration noise from important measurements.
In addition to AFMs, the AVI-200 platforms often support:
- Atomic Force Microscopy
- Interferometry
- Profilometry
- Tribology
- High Precision Metrology
- And More!
Downloads
Avi-200 Series Product Guide
Avi-200 Series Data Sheet
Related Products
Service Support
Comprehensive repairs and servicing
Annual Support Programs
Your metrology instrumentation is a major investment that is critical to your business operation and success. In today’s competitive climate, it is more important than ever to extend the functionality and peak performance of your metrology equipment years beyond the expiration of your factory warranty. CN Tech’s Support Programs will help ensure that your investment is protected, and that you and your instrument’s are always operating at peak performance.
With over 20 years’ experience servicing and repairing you can be assured that your system is in safe hands. The independent services we offer include system relocation, maintenance visits, parts and consumables, and break down interventions.
CN Tech’s Support Programs are an economical way to guarantee optimal working condition:
- Annual Preventive Maintenance
- Priority Technical Assistance
- Preferred Parts Availability
- On-Site User Training
- Remote Diagnostics
- No surprise repair expense and much more!
Support Contact Example
An example of our service and support contracts are shown below:
Metrology & Instrumentation Annual Support Programs 2024/25
CN Tech's Support Programs will help ensure that your investment is protected, and that you and your instrument’s are always operating at peak performance.