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be weighed. The display will show the net weight of 

the contents.

4.  To return to normal weight display (gross weight), 

remove any items from the weighing platform and 

press the

 TARE

 key again to re-zero the scale.

VII.  Calibration

Calibration and adjustment are performed at the factory. 

However, the weighing range can shift slightly during 

shipping. Also, due to changes in local acceleration of gravity 

around the world, adjustment is recommended when moving 

the scale from one location to another. To check calibration:

1.  Place the required calibration weight (see chart) on 

the scale and note the displayed value.

2.  If the displayed value is not within acceptable 

tolerance (see chart below), adjustment is required.

Model

Acceptable 

Tolerance (±)

Calibration 

Weight

Recommended 

Accuracy Class

5K-BOWL

2g

5kg

OIML M2

VIII.  Adjustment

1.  Turn the scale ON.
2.  Tap the 

ON/OFF

 key four times and hold it on the 

fourth tap.

3.  The display will show a random number (ISN). Make 

sure no weight is on the scale and press the 

ON/

OFF

 key again.

4. 

The display will flash “Zero” followed by the required 

calibration weight (5000g/5kg).

5.  Place the required weight on the center of the 

weighing platform.

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