Self-Calibration - Lutron Electronics GM-300P Operation Manual

Consideration of tare function
If the display show minus weight or show "_ _ _ _ _ "
*
means the display reading is under the zero, then
tare function should be executed.
Before measuring the weight, If the display is not
*
zero & show some value, it means the internal circuit
is over the zero, then tare function should be
executed.
The max. tare capacity is approx. 300 g.
*
The " Tare " marker will disappear until power off
*
and power on again.

6. SELF-CALIBRATION

1) Please prepare the following optional " Standard Weight " :
200 gram standard weight (WT-200, optional).
100 gram standard weight.
or
2) Calibration under the 200 gram standard weight
a) Power on the scale until the display show zero value.
Apply the 200 gram standard weight to the center of the
platform gently. If the scale is not accurate, then may
show the weight value around 200 g ( for example 199.93 g
, 200.06 g.....)
Step 1 :
b)
Press the " CAL. Button " ( 3-3, Fig. 1 ) once,
display will show the value of " 100.00 g "
Step 2 :
Following press the " Tare Button " ( 3-4, Fig. 1 ) once,
display will show the value of " 200.00 g "
6