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Whole Body Human Vibration Analyzer-VATS
VATST (Vibration Analysis ToolSet)
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Concern for the hazards related to exposure of the human body to vibration from power tools, vehicles and machinery has increased in recent years. Both whole body vibration and hand arm vibration can cause physical damage and considerable increased compensation costs. Various standards have been implemented to address this important hazard area. The VATS series of human vibration analysis products has been developed to enable companies to easily obtain vibration data and compare them to the various standards.
Leading organizations worldwide use VATS. These include vehicle and tool manufacturers, government organizations, universities, corporations and consultants. VATS unique features include the ability to handle multiple accelerometers and other sensors with large amounts of storage that can then be easily analyzed by our powerful yet easy to use software. |
Key VATS Features |
- Multiple tri-axial accelerometers can be connected
- 8 channels can be expanded to 32 channels
- Other sensors such as force sensors and joint angle sensors can be connected
- All raw data is stored on Micro SD cards with 2GB of storage memory available
- Powerful and easy to use analysis software
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Comprehensive Human Vibration Analysis Solution
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The VATS series of human vibration analysis products are available as individual packages for either hand-arm or whole body analysis. The VATS includes the W4X8 DataLOG that is a fully portable, subject worn, programmable data acquisition unit. The DataLOG collects data from the accelerometers and/or from a variety of additional sensors such as electrogoniometers, force sensors and EMG that is then downloaded to a PC for detailed analysis.
DataLOG has a maximum sampling rate of 20,000Hz/channel (160KHz maximum on 8 channels), 2GB flash and telemetry option. Up to 4 DataLOG units can be synchronized for a total of 32 analogue channels. The DataLOG is connected to the host PC for both programming and downloading of data. Data for X, Y and Z axes of the accelerometers is simultaneously collected. When recording in MMC Mode only synchronization options for 16, 24 or 32 channels are available with sampling rates up to 20,000Hz per channel (160KHz total Sampling frequency).
With the VATS, the user can either perform detailed analysis with full reporting on a local PC or send the data electronically for analysis at a central corporate site. This approach simplifies data collection and incorporates sophisticated analysis with user-friendly software and comprehensive help. Raw data is available for analysis.
A real-time clock is included in the DataLOG to enable every recording to be marked with an accurate start date and time with its duration. A switch-mode power supply is used to obtain the maximum life from a set of two inexpensive AA batteries.
The VATS is available for either hand-arm or whole body analysis. Hand-arm vibration analysis is based on the ISO 5349 and ACGIH standard for hand arm vibration (HAV). Whole body vibration analysis is based on the ISO 2631-1, 2631-5, BS 6841, and ACGIH standard for whole body vibration (WBV). |
Software Features |
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| Data Analysis performed |
- Fast Fourier Transfer
- 1/3 Octave band analyze
- Weighted and unweighted RMS
- Band-pass Butterworth filter
- Filtering window
- Waterfall plot
- Spectrum plot
- 1/3 octave band plot
- Crest factor
- Vibration dose value
- TLV/Caution zone value for ISO and ACGIH standards
- RMS history and summaries
| Data provided:
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- All calculated values can be exported to spreadsheets, word processor, etc.
- Graphic output can be copied as bitmap
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Optional Accessories |
| Ident Switch IS3 |
| A 1.8 meter (6 ft) cable with a suitable connector at one end to connect to the DataLOG, and a hand held switch at the other. This useful accessory allows time marks to be superimposed on the recorded data enabling the operator to highlight specific events during data collection. |
Synchronization Cable SYNC1 |
| For remote start/stop by a signal sent from other hardware systems to synchronize data collection from multiple sources. The SYNC1 is a 2 meter (6.6 ft) cable with a connector at one end to connect to the digital input socket of the DataLOG and 2 flying wires at the other end. |
Synchronization Cables SYNC2/3/4 |
| For applications requiring greater than 8 analog or 5 digital channels, multiple DataLOGs may easily be synchronized using one of the following cables. |
- SYNC2: To synchronize 2 DataLOGs for up to 16 analog and 8 digital channels of data acquisition
- SYNC3: To synchronize 3 DataLOGs for up to 24 analog and 12 digital channels of data acquisition
- SYNC4: To synchronize 4 DataLOGs for up to 32 analog and 16 digital channels of data acquisition
Cable length: 500 mm
Synchronization: Better than 8 milliseconds |
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A250 Cable |
This cable is an extender cable for users who want to use two axis of a 3rd accelerometer on a single DataLOG unit (i.e. for connecting to analog channels on the opposite side of the DataLOG unit). This is only applicable to Series 2 accelerometers. |
VATS Specifications |
DataLOG MWX8 |
Dimensions: 104 x 62 x 22 mmMass: 129 g
Battery type: 2 x Alkaline AA, LR6, MN1500
Battery life: 5-11 hours nominal depending on sensor type & quantity
Microprocessor controlled programmable gain amplifiers
Analog channels: 8
Digital channels: 4
Memory Internal: 2GB Micro SD card
Bluetooth® Adaptor: Microsoft Bluetooth® stack compatible
Front end ADC: 14 bit giving ± 4000 counts resolution
Recording modes: record to Bluetooth® & Micro SD card, record to Micro SD card only,
record to Bluetooth® only
Range of Sampling frequency per analog channel: 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 1250, 2000, 2500, 5000, 10000, 20000 Hz (Note: Bluetooth is used for monitoring only at the higher sampling rates)
Bandwidth:
Input Range 1mV and 3mV, Bandwidth DC to 1KHz (+0 dB / -3dB)
Input Range 10mV to 3V, Bandwidth DC to 10KHz (+0 dB / -3dB)
an automatic anti-alias digital filter: approximately -3dB at 0.45 x sampling rate and a maximum attenuation of -13dB above 0.8 x sampling rate
Power supply per channel: adjustable 0 to 4.6 Vdc
Current supply per channel: =20 mA
Accuracy: better than ± 0.5% full scale
Maximum common mode: 1.2 V |
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Series 2 Accelerometers |
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Product #: S3-1000G-HA
Dimensions: L x H x W (0.54 x 0.51 x 0.54 inches)
Weight: 8 grams
Material, Housing/Connector: Titanium alloy
Sensitivity: ±2%
Range, F.S. (each axis): ±1000 G
Sensitivity (set up within management software):
Channel sensitivity 1V 300mV 100mV
Full Scale (nominal) 1000g 300g 100g
Low pass filtering: 1,250 Hz, 2,500 Hz, 5000 Hz, user adjustable via links by removing lid of interface unit. Low pass filtering 8 pole, 8th order 1.2 Elliptic.
Full Scale Voltage Output: ±1 Volts
Element Natural Frequency, Nom.: 30 kHz
Equivalent Electrical Noise: .007 G, RMS
Linearity: 1 %F.S.
Linearity is % of specified full scale (or any lesser full scale range), zero-based best fit straight line method.
Transverse Sensitivity, Max.: 5 %
Signal Polarity: Positive for motion in direction of arrows etched on housing
Maximum Vibration: 1200 G
Maximum Shock: 5000 G
Temperature Range: -40 to +175 °C |
VATS-WB-PKG Whole Body Analysis |
Includes Series 2 accelerometer, seat pad and analysis software. |
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Seat Pad Dimensions: 8 inch diameter and 1/2 inch thick in the center |
VATS-HA-PKG Hand-Arm Analysis |
Includes accelerometer (Series 2 or 3), mounting accessories and analysis software. |
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Hand-Arm Accessories |
PC System Requirements (minimum recommended) |
Processor: Pentium 2.0GHz
RAM: 1 GB minimum
Operating platform: Windows XP or XP Professional, Windows 7 |
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