T71 Indicators
Calibration Guide
T71 Indicators
Calibration Guide
ii
Ohaus Corporation www.ohaus.com
Span Calibration
continued
The display shows
--C--
while the zero point is established.
When span calibration is completed, the display shows
dONE
.
The scale exits to the active weighing mode and displays the actual weight
value.
ã
Linearity Calibration
Linearity calibration uses three calibration points: the full calibration point is selectable by the
user. The mid-calibration point is automatically set at half of the full calibration point.
The zero calibration point is established with no weight on the scale.
Press and hold
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
Yes
to initiate Linearity Calibration.
The display flashes the full calibration point and calibration unit.
Place the specified weight on the scale and press
Yes
.
(Press
No
to increment the selections, or
Back
to decrement the selections.
When desired value is displayed, place the specified weight on the scale and
press
Yes
.)
The display shows
--C--
while the full calibration point is established.
When the full calibration point is established, the display flashes the
mid-calibration point. Place the specified weight on the scale and press
Yes
.
The display shows
--C--
while the mid-calibration point is established.
When the mid-calibration point is established, the display flashes
0
.
Remove the weight from the scale; press
Yes
to establish the zero point.
The display shows
--C--
while the zero point is established.
When linearity calibration is completed, the display shows
dONE
.
The scale exits to the active weighing mode and displays the actual weight
value.
ã
*
8025
3037
*
P/N 80253037
