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. 686-2107
Mfr. Part No.34970A
HK$18,697.31
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
RS Stock No. 686-2037
Mfr. Part No.U2331A
HK$20,443.91
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
RS Stock No. 702-7958
Mfr. Part No.34972A
HK$18,289.04
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
RS Stock No. 242-6139
Mfr. Part No.AC5000
HK$72.44
Each
units
- - - - - - - - - - - - - 80mm
RS Stock No. 686-2069
Mfr. Part No.U2651A
HK$3,774.31
Each
units
8 - 32 bit USB 2.0 8M points Mains Analogue, Digital - - - 182.4 x 120 x 44mm 565g 44mm 182.4mm
RS Stock No. 686-2075
Mfr. Part No.U2781A
HK$10,768.88
Each
units
- - - USB 2.0 - Mains - - - - 270 x 197 x 197mm 3.7kg 197mm 270mm
RS Stock No. 789-8138
Mfr. Part No.ED-008
BrandBrainboxes
HK$1,048.66
Each
units
- - - - - - - - - - - - - -
RS Stock No. 789-8110
Mfr. Part No.ED-588
BrandBrainboxes
HK$2,399.90
Each
units
- - - - - - - - - - - - - -
RS Stock No. 877-7253
Mfr. Part No.ES-446
BrandBrainboxes
HK$1,596.64
Each
units
- - - - - - - - - - - - - -
RS Stock No. 789-8144
Mfr. Part No.ED-538
BrandBrainboxes
HK$2,139.25
Each
units
- - - - - - - - - - - - - -
RS Stock No. 848-6219
Mfr. Part No.6GK7142-7BX00-0AX0
BrandSiemens
HK$3,740.88
Each
units
- - - - - - - - - - - - - -
RS Stock No. 686-2097
Mfr. Part No.U2751A
HK$8,586.66
Each
units
32 - - USB 2.0 - Mains - - - - 183 x 120 x 44mm 480g 44mm 183mm
RS Stock No. 242-6167
Mfr. Part No.AC5003
HK$105.93
Each
units
- - - - - - - - - - - - - 80mm
RS Stock No. 910-8197
Mfr. Part No.911472-3
HK$4,034.66
Each
units
- - - - - - - - - - - - - -
RS Stock No. 877-7256
Mfr. Part No.ES-457
BrandBrainboxes
HK$2,025.59
Each
units
- - - - - - - - - - - - - -
RS Stock No. 764-6271
Mfr. Part No.2901541
HK$4,267.81
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 203-3656
Mfr. Part No.6GK1503-2CC00
BrandSiemens
HK$16,603.19
Each
units
- - - - - - - - - - - - - -
RS Stock No. 136-7603
Mfr. Part No.ED-560
BrandBrainboxes
HK$3,751.38
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 203-3666
Mfr. Part No.6GK7542-6UX00-0XE0
BrandSiemens
HK$4,859.47
Each
units
- - - - - - - - - - - - - -
RS Stock No. 159-6324
Mfr. Part No.6GK7142-7EX00-0AX0
BrandSiemens
HK$5,000.02
Each
units
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