
Contact Closure Inputs: Connect Digital Input & Output DAQ Board Many times it is necessary to monitor a contact closure using a PC. Some applications include monitoring a relay closure on a machine to record on-off times, or simply as an alarm to notify someone of an open freezer door.
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Scaling Voltage & Current to Engineering Units It is very often necessary to convert a voltage, millivot or current reading into a more useful value such as PSI, GPM, LBS, etc.
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Troubleshooting Thermocouple Input Devices Noise is unavoidable in PC based data acquisition systems. There is board induced noise which can be measured by shorting an analog input to ground and taking a series of readings and plotting them in a histogram.
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What is the Load Cell Calibration Procedure for Weighing Applications? Inspect the load cell cables, and coil and protect any excess. The load should be equally distributed among multiple load cells of multiple load cell installations.
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Infrared pyrometers Pyrometer is derived from the Greek root pyro, meaning fire. The term pyrometer was originally used to denote a device capable of measuring temperatures of objects above incandescence, objects bright to the human eye.
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Mechanical Flow meters Discussed in this chapter are various types of mechanical flow meters that measure flow using an arrangement of moving parts,
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Differential Pressure Flow meters The calculation of fluid flow rate by reading the pressure loss across a pipe restriction is perhaps the most commonly used flow measurement technique in industrial applications
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Overview of GPIB protocol IEEE-488 refers to the Institute of Electrical and Electronics Engineers (IEEE) Standard number 488 and is commonly called GPIB (General Purpose Interface Bus).
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