Model 10A69-4 Four Channel AC RMS Input Card
accurately measures the true RMS amplitude up to four independent external analog AC signals, mixed as desired, from a wide range of voltage sources. Since the 10A69-4 does not provide excitation, the voltage source must supply its own power supply, if required (as is the case with many accelerometers, when used to measure the noise level or vibration factor of a dynamic process). The three millivolt ranges (50, 100, and 200 mV-AC) are intended primarily for current measurement by means of an external shunt.
Model 10A68-2 Dual Channel AC RMS Card
accurately measures the true RMS amplitude of one or two independent external analog AC signals, mixed as desired, from a wide range of voltage or current sources—including engineering parameters conditioned by other Daytronic cards.
The 5M68 delivers filtered analog output of ±5 VDC, ±10 VDC or 4-20 ma, user selectable. The AC input may be either differential (floating) or grounded (single-ended). Exceptional signal stability and accuracy over an unusually wide range of voltage input levels configurations are achieved through:
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