Omega Engineering Inc.The OMB-TEMPBOOK-66 from Omega Engineering is a data acquisition system that adds voltage- and thermocouple-measurement capability to laptop PCs. It can also provide an alternative to plug-in boards for desktop systems. An enhanced parallel port interface or PCMCIA link connects 12-bit, 100-kHz data acquisition and transfer to the computer. Built-in analog capability allows measurement of eight differential or 16 single-ended channels. 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