CHAPTER 1
GETTING STARTED
1.9.4 Calibration
Test
Calibration test is used to compare a known calibration weight against the stored span
calibration data.
NOTE
: Calibration Test is always available (even when LFT is set to ON).
Press and hold
TARE/Menu
until
C.A.L.
appears, then press
Yes
.
(
LFt.NO
appears briefly before
C.A.L.
, if the Indicators is not in LFT mode.)
ZERO
appears. . Press
No
.
SPAN
appears. Press
No
.
Linearity
appears.
Press
No
.
tESt
appears. Press
Yes
to initiate Calibration Test.
The display flashes
0
. With no weight on the scale, press
Yes
to record the
current zero point.
The display shows --t-- while the zero point is recorded.
The display flashes the span calibration weight using the value from the last
calibration. The example shows test weight of 30 kg.
Place the specified test weight on the scale and press
Yes
.
The display shows
--t--
while the data is processed.
The display flashes the actual difference between the calibration data and the
test weight.
The example shows a 0.010 kg difference. If printing is enabled, the result of
the Calibration Test is printed.
After 5 seconds, Calibration Test ends, the scale returns to the active weighing
mode and displays the current weight.
1.9.5 Geographical Adjustment Factor
The Geographical Adjustment Factor (GEO) is used to compensate for variations in gravity.
To determine the GEO factor that corresponds to your location, see Appendix A.
Note:
Changing the GEO Factor alters the calibration. The GEO value was set at the factory
and should only be changed if the location of use varies from the default setting.
To adjust the GEO Factor, press and hold
TARE/Menu
until
C.A.L.
appears. Press
Yes
.
ZERO
appears. Press
No
.
SPAN
appears. Press
No
.
Linearity
appears. Press
No
.
GEO
appears. Press
Yes.
The default GEO setting appears. Press
No
to increment the
number, or
Back
to decrement, until the desired number appears. Then press
Yes
.
GEO
appears again. Press
No
to exit the
GEO
menu.
End
appears. Press
Yes
to return to
the
CAL
menu. Press
No
continuously until
E.n.d
appears. Press
Yes
to return to weighing
mode.
5000 Series T51 Indicator Service Manual
1-13
Ohaus Corporation www.ohaus.com
Summary of Contents for T51P
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