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 Type Battery Life Dimensions Weight Height Length
RS Stock No. 104-6177
Mfr. Part No.TGW-715
SGD280.45
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RS Stock No. 686-2069
Mfr. Part No.U2651A
SGD973.39
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8 - 32 bit USB 2.0 8M points Mains Analogue, Digital - - - - 565g 44mm 182.4mm
RS Stock No. 686-2107
Mfr. Part No.34970A
SGD4,126.51
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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
RS Stock No. 905-5264
Mfr. Part No.DSPLE000
BrandRed Lion
SGD1,159.06
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Mfr. Part No.2702184
SGD744.41
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Mfr. Part No.2832357
SGD179.13
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RS Stock No. 778-1885
Mfr. Part No.E5810B
SGD2,347.68
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16 1.2Msps - GPIB, LAN, USB - Mains Digital RS232 - - - 1.3kg 61mm 238mm
RS Stock No. 893-7812
Mfr. Part No.2891321
SGD326.95
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RS Stock No. 905-5719
Mfr. Part No.PTV00000
BrandRed Lion
SGD6,566.46
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Mfr. Part No.ES-420
BrandBrainboxes
SGD244.78
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SGD645.89
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RS Stock No. 124-3333
Mfr. Part No.2702257
SGD302.89
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Mfr. Part No.1241380000
BrandWeidmuller
SGD716.16
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RS Stock No. 847-4743
Mfr. Part No.ED-549
BrandBrainboxes
SGD705.14
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Mfr. Part No.ET-7060
SGD465.62
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RS Stock No. 686-2075
Mfr. Part No.U2781A
SGD2,061.54
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- - - USB 2.0 - Mains - - - - - 3.7kg 197mm 270mm
RS Stock No. 801-7368
Mfr. Part No.2891026
SGD989.96
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RS Stock No. 901-1346
Mfr. Part No.ES-413
BrandBrainboxes
SGD354.86
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RS Stock No. 242-6139
Mfr. Part No.AC5000
SGD15.00
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- - - - - - - - - - - - - 80mm
RS Stock No. 801-7239
Mfr. Part No.2891259
SGD251.77
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