2. Specification and performance index
Depending on the difference of range and resolutions, G&G Brand TJ series electronic
counting weighing apparatus is classified into 4 types as shown in the table:
Models TC30K-J
TC15K-J
TC6K-J
TC3K-J
Capacity
30kg 15kg 6kg 3kg
Resolution
Ratio
1g 0.5g 0.2g 0.1g
Calibration
graduation 10d 10d 10d 10d
Tare Scope
30kg 15kg 6kg 3kg
Calibrating Weight
10kg--30kg 5kg--15kg 2kg--6kg 1kg--3kg
Min. weighing
20g
10g
4g
2g
Min. sampling value
20g
10g
4g
2g
Min. unit weight value
0.5g
0.25g
0.1g
0.05g
Dimension of Platform
300
×
220mm
Volume
320(W)
×
300(D)
×
110(H)
Power supply
AC 220V±10
％
50Hz±1Hz DC 6V/4Ah/20HR rechargeable battery
Operating temperature
0-40
℃
Operating humidity
≤
80
％
R.H
3. Operating method
3.1 Prior to the use of the electronic weighing apparatus that has been just
purchased or laid idle for long time, power should be switched on for battery charging
and leveling. Tune-on the power switch and the weight display window displays
“F----1” to “F----9” and then “0” after holding for a period of time. Prior to the use,
switch on the power for 15 minutes of warming-up.
3.2 Tare and pre-tare
3.2.1 If the weight display deviates from the zero with nothing on the weighing
platform, press the “TARE” key to reset the weight display to zero.
3.2.2 If the weight of the article for which the packaging is to be removed is
unknown, place the packaging container on the weighing platform, wait till the weight
display is stable before pressing the “TARE” key. The zero is displayed for the weight.
Then place the article to be weighed in the container. Now, the weight window displays
the net weight of the article. When the article and its container are removed, the weight
display window displays the negative value of the weight of the container. Nevertheless,
press the “TARE” key so that zero is displayed for the weight.
3.2.3 If the weight of the article for which the packaging is to be removed is known
(pre-tare), key-in the weight (in g) of the container by means of number keys, then press
the “TARE” key and the weight display window displays the net weight of the article
excluding the weight of the container. Remove the article and container, the display
window displays the negative value of the weight of the container. Nevertheless, press
the “TARE” key and the Packaging Removal function is canceled and zero is displayed
for the weight.
3.3 Calibration
When laid idle for long time or just purchased, the electronic weighing apparatus should
be subject to calibration. With nothing on the weighing platform, fully warm up the
electronic weighing apparatus (for 15 minutes or more) ,press and hold the “CE” key
followed by pressing the “UNIT W.T.” key and the weight display window displays
