WT1600 Input Element will not WRITE with New CALIBRATION Coefficients

While the unit is in CALIBRATION MODE, the calibrator may be "loaded" by the input element. After running the performance test (with METCAL), if the input element reads low values after the new CALIBRATION coefficients have been written, please compensate for the "loading effect." 

To compensate for the loading effect, monitor the calibrator output with a DMM and adjust the calibrator/source to the proper level during CALIBRATION MODE. Also, cycle the power or reset the unit after adjustment as needed. Hold the display button down while powering the unit ON after the alignment.

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Measure characteristics of devices that generate, transform or consume electricity. Also called power meters or wattmeters, these devices measure parameters such as true power (watts), power factor, harmonics, and efficiency.