Local G Value Setting - Excell FJ5 Service Manual

EXCELL PRECISION CO., LTD.

4-4-2 Local G Value Setting

Press key
TARE
.
Enter Local
G Value
.
Press key
TARE
The acceleration of gravity
at the poles (G ).
P
G = 9.7803184558 m/sec
E
Taipei ≒ 9.78914 m/sec
Example 1:
The gravity value at the manufacturing location: 9.7891 m/sec
The gravity value at the location of using: 9.8113 m/sec
The ratio of the two values is 9.7891/9.8113=0.9977373029......
When the setting of the above 2 values is completed, place an accurate mass of 2000kg
onto the hook.
The displayed weight should be 20000.9977373029  1996kg in Taipei, and it will be
2000kg in Germany.
The calculation of gravity value
G ＝ 9.80616 - 0.025928cos2ψ ＋ 0.000069 cos
2
G: m/sec
ψ: latitude
H : height
For example, the calculation of the gravity value at Northern latitude 25
G = 9.80616 - 0.016666197 + 0.00002850913787 - 0.000003086H
= 9.789465294 – 0.000003086H
45046
G value setting
LCD displays the current G value
MODE  Upward digit selecting (0-9)
HOLD  Downward digit selecting (9-0)
ZE RO  Move the cursor rightward
TA RE  Confirm
must be between the one at the equator (G
2
G = 9.8321772792 m/sec
P
2
Shanghai ≒ 9.79423 m/sec
32
2
2
2
(EX: Taipei)
2
(EX: Germany)
2
2ψ - 0.000003086H
) and the one
E
ZSME300000343