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+31(0)30 69 32459
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BARS

BARS - Bay Acquisition & Recording System

Smaller, Lighter, Faster and Best Value For Money was the request.

BARS is a solution for both low, mid and high channel count data acquisition, importantly our offer is at a purchase and through life price that every user can afford.

Exceptional Quality
Very high performance 24 Bit Analogue to digital and digital to analogue conversionHigh quality branded micro-PC with genuine daylight readable 1024 x 600 screen Easy to use recording software designed for the small screen size Ruggedly packaged in strong, military grade leather cases to protect the micro PC and acquisition system.

  • BARS Micro System
  • 24 bit ADC
  • Parallel sample and hold
  • IEPE 4ma transducer power
  • Anti-alias protection
  • AC/DC coupling
  • Tachometer input
  • Trigger input
  • Analogue output

Channel counts from 4 to 32 and a card configuration to suite most applications.

BARS is a battery powered, ultra portable data recording system that lets you inspect and analyse your data whilst in the field.
It is the natural successor to the instrumentation tape recorder, with more storage space and channels while costing less.
All of the post processing and specialist modules work both with the BARS micro-system and larger format USB II connected systems. For customers who have Sony EX systems the BARS system will integrate with the Sony PCscanIV post processing software.

Sample rates on all channels up to 225,000 samples per second per channel written to disk on a standard note book PC.

The slowest system samples at 52kHz per channel – fast enough for all NVH work. All cards sample at many lower rates to suite all applications and conserve disk space.

Features
 Computer Specs
 Accessories
 Application Software
 Brochures

Data Acquisition System Specifications
Number of analogue input channels 4, single-ended, simultaneous
8,12,16,24, 28, 32channels with additional input
cards of 4 or 8 channels each.
Resolution 24 bits
Gain error
Gain of 1: ±0.02%
Gain of 10: ±0.5%
A/D type Delta-Sigma
Maximum sample rate per channel of standard system.
52.734 kHz per channel
Maximum sample rate of available cards 225kHz per channel
Minimum sample rate of standard system 195.3 Hz
Group delay 38/Sample Frequency
Stop-band 0.49 x Sample Frequency
Pass-band ripple ±0.005 dB
Signal/noise (typical) 106 dB
Total harmonic distortion (–0.5 dB)
using 1 kHz sine wave, sampled at 50 kHz
–90 db typical
Spurious free dynamic range (SFDR)
using a 1 kHz sine wave, sampled at 50 kHz
10 V full-scale signal (–0.5 dB): –90 dB typical
1 V signal (–20 dB): –105 dB typical
100 mV signal (–40 dB): –115 dB typical
0 V signal: –115 dB typical
Data encoding Offset binary
Maximum input voltage (without damage)
Power on: ±30 V
Power off: ±20 V
Input impedance 1 MΩ, 20 pF (cable capacitance of
typically 30 pF per foot must be added)
Overvoltage protection (power on/off) ±40 V
ESD protection
Arc: 8 kV
Contact: 4 kV
Current source 4 mA
Compliance voltage 18 V
Current noise @ 1 kHz bandwidth 5 nA rms
Current source accuracy ±1.0%
DC offset 1.5 mV
AC coupling at –3 dB 0.5 Hz
Input impedance 1 MΩ, 20 pF (cable capacitance of
typically 30 pF per foot must be added)
Overvoltage protection (power on/off) ±40 V
ESD protection
Arc: 8 kV
Contact: 4 kV
Current source 4 mA
Compliance voltage 18 V
Current noise @ 1 kHz bandwidth 5 nA rms
Current source accuracy ±1.0%
DC offset 1.5 mV
AC coupling at –3 dB 0.5 Hz
Number of analogue output channels 1 –6
Resolution 24 bits
Output range ±10 V
Data encoding Offset binary
Output current ±1 mA maximum load (10 V across 10k)
FIFO 8192 Samples, total per 4 channels
ESD protection
Arc: 8 kV
Contact: 4 kV
DC offset ±1.5 mV
Gain error ±3.0%
2-pole, low-pass Butterworth filter 10 kHz
Time delay (typical) 34/output frequency
Power fault and reset Goes to 0 V ±10 mV if the USB cable removed or the power fails
Total harmonic distortion (typical at 1 kHz) 0.0015%
Internal clock output frequency x 256
Sample frequency 46.875 kHz
Pass band ripple (typical ±0.002 dB) 0.454 x output frequency
Pass band (typical) 0.454 x output frequency
Stop band (typical) 0.454 x output frequency
Weight of 4 channel ADC system 500 grams
Size of ADC system 100 x 200 x 18 mm

 

Computer Technical Specifications
Processor Latest Intel Centrino Intel® Core™ Solo Processor U1500 (1.33GHz , 2MB L2 Cache)
Screen size
4.5” Wide XBRITE SVGA LCD, Touch Screen (1024x600) Daylight readable
Memory 1GB RAM
RAM Disc 40GB HD None Volatile RAM disc
Networking Intel® PRO/Wireless 3945ABG Network Connection (802.11a/b/g)
Navigation GPS Navigation
Audio
Built-In Speakers
Graphics processor
Intel® Graphics Media Accelerator 950 with 224MB dynamically allocated RAM/Video memory
Ethernet connectivity
Fast Ethernet 10BASE-T/100BASE-TX (RJ-45)
Additional none
volatile memory supplied
16Gig Byte - The accessory slot supports Optional Memory Stick DUO™ media with MagicGate®
Optionally 32GByte data storage may be specified or upgraded to later.
Wi-Fi Integrated Wireless Wide Area Network (WAN) accessing high speed wireless
EDGE Network with SmartWi™ technology. Supports speeds up to 247.4 kbps.
Camera x 2 2 Built-in Cameras (front: 0.3M pixels and back: 1.3M pixels)
Microphone
Built-in microphone
USB
USB 2.0 Port
Audio connections
Microphone jack, Headphone jack
Security
Biometric Fingerprint Sensor
Power 110V-240V AC Adapter
Battery Life Up to 7 Hours Battery Life
Operating System Windows Vista Business. Language upgrade available
Weight 500 grammes

 

Accessories Included:

  • GPS Navigation
  • AC Adapter
  • Port Replicator - 1 4-pin i.LINK® interface, 3 USB 2.0, Ethernet, VGA-Out, A/V-out and DC-in
  • Soft Carrying Case
  • Power Cord
  • Stylus
  • VGA/LAN Adapter - Ethernet, VGA-Out and A/V-Out
  • Strap, Detachable Stand, 2 Additional Stick Pointer Caps



Data Acquisition BARS standard software supports calibration of channels, sample rate, IEPE,AC/DC coupling, storage location, ASAM and other file exports allowing the BARS to be used a simple data recorder. The data can then be accessed by any post processing package supporting industry standard file formats e.g. ASAM, SDF, UFF, WAV...
Post processing using nVision Optional post processing modules that provide all spectral and time domain DSP functions:
- Spectrum, PSD, Cross Spectra, FRF, Coherence, Wavelet…
Displays Graph (XY) Multiple (8) overlay, Bode Log Mag/Frequency, Colour Contour, Waterfall, multi channel time trace, overlay time, third octave with text readout...
Arithmetic functions Add, sub, mult, divide, ave , record max and min values, calculate lin (rms) overall value.
Calculate A,B,C,D and user defined overall level. Apply ABCD&U weight to data (both narrow and octave band)
Multiple channels together and by a constant in time and frequency domains

 

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