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The zero pot provides an offset adjustment Load Effect <0.01% of Span / 300 Change of ±25% of the span. The SM815 is provided with upscale Power Supply Effect <0.002% of Span per Volt thermocouple break indication. Four voltage input models...
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NOTE that the output of the SM815 is the span and zero potentiometers. linear with respect to the millivolt input and does not To calibrate the SM815 follow the procedure below: correct for the nonlinearity of the thermocouple wire.3)
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