22-Mar-2023 Model 76 Model 76B Performance

Model 76 and Model 76B High-Frequency Oscillation Issue

The Models 76 and 76B Central Controllers were manufactured for a number of years but were discontinued in August of 2012 due to parts availability and decrease in demand. They were excellent products, most of which are still in use by many facilities. We have become aware that after ten or more years of field operation an oscillation in the range of 17-18 kHz can appear in the units’ analog output channels. It was found that the units’

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