Data Acquisition

What is Data acquisition?

Data acquisition is the process of sampling signals that measure real world conditions such as voltage, current, temperature, pressure or sound, and converting the results into digital numeric values that can be manipulated by a computer. Data acquisition systems known as DAS or DAQ, convert analogue waveforms into digital values for processing.

Data acquisition begins with the physical property (this includes temperature, light intensity, gas pressure, fluid flow and force) to be measured. This then must be transformed into a unified form that can be sampled by a data acquisition system. This task is performed by sensors.

Components of data acquisition systems include

• Sensors to convert physical parameters to electrical signals
• Signal conditioning circuity to convert sensor signals into a form that can be converted to digital values
• Analogue to digital converters to convert conditioned sensor signals to digital values

A data acquisition system is a collection of software and hardware that lets you measure or control physical characteristics of something in the real world. A complete data acquisition system consists of DAQ hardware, sensors and actuators, signal conditioning hardware, and a computer running DAQ software.

Applications include
• Research and Analysis
• Design Validation and Verification
• Manufacturing and Quality Test
• Diagnostic and Repair
• Asset Condition Monitoring
• PC-Based Control and Automation

Compared to traditional measurement systems, PC-based DAQ systems exploit the processing power, productivity, display, and connectivity capabilities of industry-standard computers providing a more powerful, flexible, and cost-effective measurement solution.

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Description Price Number of Input Channels Sampling Rate Resolution Connectivity On Board Memory Power Source Input Type Output Type Battery Life Dimensions Weight Height Length Maximum Operating Temperature
RS Stock No. 702-7958
Mfr. Part No.34972A
$3,346.26
Each
units
20 3Msps 22 bit LAN, USB 50kB Battery, Mains Digital - 4 yr 254.4 x 374 x 103.6mm 3.6kg 103.6mm 254.4mm +55°C
RS Stock No. 686-2107
Mfr. Part No.34970A
$3,067.94
Each
units
20 3Msps 22 bit GPIB, RS232 50kB Battery, Mains Digital - 4 yr 254.4 x 374 x 103.6mm 3.6kg 103.6mm 254.4mm +55°C
RS Stock No. 127-1092
Mfr. Part No.025
BrandRed Pitaya
$185.75
Each
units
8 - - I2C, SPI, UART - - Digital Digital - - - - - -
RS Stock No. 242-6167
Mfr. Part No.AC5003
$29.18
Each
units
- - - - - - - - - - - - 80mm +85°C
RS Stock No. 686-2037
Mfr. Part No.U2331A
$4,276.80
Each
units
64 1 Msps, 3 Msps 12 bit USB 2.0 8M points Mains Analogue, Digital - - 182.4 x 120 x 44mm 565g 44mm 182.4mm +55°C
RS Stock No. 778-1885
Mfr. Part No.E5810B
$2,190.61
Each
units
16 1.2Msps - GPIB, LAN, USB - Mains Digital RS232 - 238 x 226.5 x 61mm 1.3kg 61mm 238mm +55°C
RS Stock No. 179-7417
Mfr. Part No.DX80G2M6S-P8
BrandBanner
$1,979.69
Each
units
12 62.5Msps - - - Mains - - - - 260g - - +80 (LCD) °C, +85 (Electronics) °C
RS Stock No. 181-1061
Mfr. Part No.1031235
$835.33
Each
units
4 - - - - Mains - - - 22.5 x 99 x 114.5mm 144.5g 114.5mm 22.5mm +55°C
RS Stock No. 686-2056
Mfr. Part No.U2355A
$2,838.29
Each
units
64 250ksps 16 bit USB 2.0 8M points Mains Analogue, Digital - - 182.4 x 120 x 44mm 565g 44mm 182.4mm +55°C
RS Stock No. 686-2084
Mfr. Part No.U2802A
$2,156.59
Each
units
31 500ksps 16 bit USB 2.0 - Mains Analogue, Digital - - 254.2 x 158.7 x 40.05mm 1kg 40.05mm 254.2mm +55°C
RS Stock No. 686-2065
Mfr. Part No.U2542A
$3,612.69
Each
units
4 500ksps 16 bit USB 2.0 8M points Mains Analogue, Digital - - 182.4 x 120 x 44mm 565g 44mm 182.4mm +55°C
RS Stock No. 686-2097
Mfr. Part No.U2751A
$1,797.55
Each
units
32 - - USB 2.0 - Mains - - - 183 x 120 x 44mm 480g 44mm 183mm +55°C
RS Stock No. 127-1091
Mfr. Part No.043
BrandRed Pitaya
$100.03
Each
units
8 - - I2C, SPI, UART - - Analogue Digital - - - - - -
RS Stock No. 242-6139
Mfr. Part No.AC5000
$15.28
Each
units
- - - - - - - - - - - - 80mm +85°C
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