Regulations for temperature calibration of experimental box-type resistance furnaces 1. Use a DC electronic potentiometer for calibration; the meter should be powered on before calibration.Vertical double-barreled shotgun receiver vacuum heat treatment Warm for half an hour, first calibrate the standard.Aluminum alloy chassis vacuum brazing process 2. Place the temperature measuring instrument to be calibrated in a horizontal position, and connect the calibration circuit according to the regulations. 3. Determine the calibration temperature according to the graduation number of the temperature instrument, generally should focus on selection Commonly used temperature measurement points.Vacuum Brazing Technology of Aluminum Alloy Plate Radiator 4. Set the DC electronic potentiometer switch S to "output", according to the measured temperature The millivolt value of the point determines the output value of the calibration meter. 5. Toggle the key board switch to "unknown" for verification, and adjust the temperature meter of zero.Compound Gas Nitriding Treatment Process For Swing Arm Bogies 6. During daily use, no one may arbitrarily adjust the zero point of the temperature meter value.
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