Quick Start Guide
Defender
™
3000
Ohaus Corporation www.ohaus.com
iii
Defender™ 3000
(with T31 Indicators)
OPERATION
To turn the Indicator on, press and hold
ON
for two seconds. The Indicator
performs a display test, momentarily displays the software version, and
then enters the active weighing mode.
To turn Indicator off, press and hold
Off
until
OFF
appears.
Zero
is set under the following conditions:
• Automatically at Power On (initial zero).
• Manually: press
ZERO
. (Scale must be stable and within the zero range.)
Manual Tare:
When weighing an item that must be held in a container,
taring stores the container weight in memory. Place the empty container on
the scale (example 0.5 kg) and press the
TARE
button.
The display will show the net weight.
To clear the Tare value, empty the scale and press
TARE
.
The display shows gross weight (zero if scale is empty).
Weighing:
Place the item to be weighed on the scale.
(Sample shown: 1.5 kg, Gross weight.)
Note
: To return to the Weighing mode from Parts Counting mode, press
and hold
Mode
until
WEIGH
appears.
Verify the indicator:
place a known mass on the scale and check if the
reading is accurate. If not, calibrate, using the Calibration Guide.
ADDITIONAL OPERATIONS
Parts Counting:
Use this mode to count parts of uniform weight.
The Indicator determines the quantity based on the average weight of a
single part. All parts must be uniform in weight for accurate measurements.
To enter this mode, press and hold
Mode
until
Count
appears.
Note:
Count must first be enabled in the
Mode
menu.
(See back page.)
Average Piece Weight (APW):
When
Mode
is released,
CLr.PW
appears.
Press
Yes
to clear the stored APW. Press
No
to recall the existing APW.
APW
appears. Press
Mode
to display the APW value.
(If no APW was previously stored,
CLr.PW
is skipped;
PUt10Pcs
appears.)
Place 10 pieces on the scale, or press
No
to increment the sample size.
Choices are 5, 10, 20, 50, 100 and 200.
Place the parts on the scale and read the count.
(If using a container, be sure to tare the empty container first.)
Changing Units of Measure:
Press and hold
Units
until the desired
measuring unit appears. Only units enabled in the Unit Menu are displayed.
(See back page.)
