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How to calibrate the postal scale SF-889,when it inaccuracy?

Views: 5910     Author: Site Editor     Publish Time: 2020-06-19      Origin: Site


1.Turn on the scale and Put the scale on a flat platform.

2.Turn on the scale,press the “UNIT” buttom for 6 seconds. The display will show the load value .Press the “TARE” button to select the loading weight, the weight have 10kg/20kg/50kg.  You can choose 10kg to calibrate the scale.

3.Then press the “UNIT” button,the display will show CAL and a flashing value of 10.00 kg. Put 10kg on the scale,the display will show the “PASS”message moments later. Calibration is completed.

4.If the loading weight isn’t stable or you stop calibration,the scale will show “Err” and automatically turn off after one minute.

5.If you fail in calibration,the scale will show”Err” and automatically turn off.

6.You can press “ON/OFF” to stop calibration.


If you need a professional scale for weighing parcels, this SF-889 150kg / 100g High Quality Digital Postal Scale won't disappoint you! It is a portable and compact-sized item that won't take up too much space. For its quality, with the adopted stainless steel and ABS materials, this scale is durable and reliable to use. It ensures high accuracy in weighing. Built with LCD, it is easy to read. Also, it supports oz, lb and kg weighing units.


(1)Equipped with a high precision strain gauge sensor system. The LCD display can be put on the desk or fixed on the wall for easy reading

(2)Large LCD (5 digits 30mm height) and excellent load cell. Auto zero resetting/power off

(3)Mode function (oz/lb/kg). Over-load/low battery indicator

(4)Large square stainless weighting pan. Net weight/stability indication

(5)Outside calibration.Auto backlight.Tare weighing function

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