Although most digital scales are calibrated before shipping, due to different gravity in different part of the globe, a from-time-to-time calibration will keep your scale always accurate.
In the status of OFF, hold both TARE key and MODE key and press ON/OFF button and release all buttons when the screen shows “CAL”. Hereinafter the screen will show a negative figure, which is its internal code. Wait until the internal code stays on a certain figure, press the MODE button and the screen shows “ZERO” and then internal code. Put standard weight on the platform. (Please refer to the following standard weight for your model)
Standard Calibration Weight:
Model DW-150BX
150 gram Class 4 and up
Model DW-250BX
250 gram Class 4 and up
Model DW-350BX
350 gram Class 4 and up
Model DW-500BX
500 gram Class 4 and up
Wait until the internal code stays on a certain figure, press the MODE button, the screen shows weight of the standard weight then shows “PASS” and then weight of the standard weight again. Press ON/OFF button to switch off the scale. Calibration is completed.
Calibration is needed periodically for most digital scales, digital food scales, digital postal scales.
Please check availability of weights with the store you bought the digital scale from.
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