UWE DM-3000 User manual

DM SERIES
ELECTRONIC WEIGHING SCALE
OPERATION MANUAL
PLEASE READ THIS MANUAL VERY CAREFULLY BEFORE
ATTEMPT TO OPERATE THE SCALE
FEBRUARY 2002
Specifications subject to change without prior notice
CONTENTS
CAUTIONS
1. INSTALLATION
2. SPECIFICATIONS
3. KEYBOARD LAYOUT AND DESCRIPTION
4. INITIAL SETUP
5. INSTRUCTION FOR USE
6. TROUBLE SHOOTING
7. DAILY CARE AND MAINTENANCE

CAUTIONS
1. This unit is legal for trade only when it
is sealed (and/or stamped) and bearing a
serial number. Do not attempt to break the
seal (or stamp) affixed to this scale or
remove the serial number. Contact your
dealer for more information and after sales
service.
2. For most accurate weighing result, do not
use this scale in where or when the
environment condition falls beyond as those
listed on SPECIFICATIONS.
3. Do not attempt to open this unit or conduct
any trouble shootings other than those
listed on TROUBLE SHOOTING.
4. Do not submerge scale into water.
5. Do not use pressurized water nozzle for
cleaning.
Do not use this scale for chemical substances
or in any environment that contains chemical
vapor.
6. Precision measuring instrument, handle with
care.
7. Always apply the rubber cap (FIG 2 E) when
not in charging.
8. Do not attempt to open scale.

1. INSTALLATION
1.1 Check and make sure that the following
accessories are included:
This operation manual
Scale x 1
Plastic platter x 1
Stainless steel cover x 1
Power adaptor x 1
Contact your dealer if any item missed.
FIG 1
FIG 2
1.2 Locks the plastic platter (FIG 1 A) to the
platter holder, with the screw (FIG 1 B)
included, and then apply the rubber cap
(FIG 1 C).
1.3 Place the stainless steel platter (FIG 1
D) onto the plastic platter.

1.4 Power on the scale
a. Before plugging the power adaptor into
electricity outlet, check and make sure
that the input voltage of power adaptor
matches with the output voltage of the
outlet. If not, do not plug in and contact
your dealer immediately.
b. Before first time use, plug the adaptor
into the wall outlet and charge the scale
for at least 8 hours.
c. After battery is fully recharged, remove
adaptor from scale. Apply the rubber cap
(FIG 2 E) to seal the DC input jack of
scale.
2. SPECIFICATIONS
Model No. Capacity
Division
Accuracy
Min.Load
DM-3000 3000g 1g 1/3000 20g
DM-6000 6000g 2g 1/3000 40g
DM-15K 15kg 0.005kg 1/3000 0.1g
DM-30K 30kg 0.01kg 1/3000 0.2g
DM-1100 1100g 0.1g 1/11000 2g
DM-11K 11kg 1g 1/11000 20g
Tare Range Full tare range (Subtractive)
Display 5 x 24mm LCD display
Operation
Environment
0o~40oC (32o~104oF),
Non-condensed. R.H.¡Ø85%
Powersource
By Built-
in rechargeable battery or power
adaptor
Specifications subject to change without notice
NOTE
To comply with the law of certain countries
and certain approval requirements, the
imperial weight units may be disabled. Contact
your dealer for more information.

3. KEYBOARD LAYOUT AND DESCRIPTION
1. ON/ZERO KEY
Press this key to: (a) turn scale on or reset
display value to zero during normal
operation, (b) return to normal operation
during function setup
2. TARE KEY
Press this key to tare off the weight of
a container during normal operation.
3. MODE KEY
Press this key to shift among different
weight units and display parameters.
4. OFF KEY
Press this key to turn scale off.
5. ZERO INDICATOR
This indicator appears to indicate a zero
weight status.
6. TARE INDICATOR
This indicator appears to indicate the tare
function is in operation and weight
displayed is net weight.
7. WEIGHT UNIT INDICATOR
This indicator appears to indicate the
weighing unit being selected is at metric.
8. LO-BAT INDICATOR
When this indicator appears, recharge the
scale immediately. Failure to do so may
cause unrecoverable damage to the
rechargeable battery inside scale.
9. IN-CHARGE INDICATOR
Red color: Recharging battery
Green color: Charging completed

10.WEIGHT UNIT INDICATOR
This indicator appears to indicate the
weighing unit being selected. Two
avoirdupois weight units are available and
this indicator means the weighing unit is
at decimal pound (e.g. 5.62 means 5.62 lb).
11.WEIGHT UNIT INDICATOR
This indicator appears to indicate the
weighing unit being selected is at
pound/ounce (e.g. 2.15.1 means 2 lb and 15.1
ounce).
4. INITIAL SETUP
4.1 PLACING THE SCALE
In order to obtain an accurate weighing result,
the scale must be placed on a strong and level
surface.
If required, adjust the adjustable feet (FIG
2 F) underneath scale to obtain a level position.
Refer to the bubble indicator for leveling
condition.
4.2 INTERNAL SETTING
4.2.1 Select Weight Unit and Display Resolution
The scale is equipped with metric and
avoirdupois weight units. Default setting =
metric weight unit only. Follow the below steps
to enable/disable the avoirdupois units.
Turn scale off
a. Press and hold TARE, then press ON/ZERO
b. Scale displays F.1
c. Press TARE twice
d. Scale displays F.3

e. Press and hold MODE for 3 second and then
release.
f. Press MODE to shift between desired
configurations appears.
g. Press ON/ZERO to confirm and return to
normal operation.
NOTE
To comply with the law of certain countries
and certain approval requirements, the
avoirdupois weight units may be disabled.
Contact your dealer for more information.
4.2.2 Select Auto Power Off Setting
The scale is equipped with Auto Power Off
Function. The scale will be turned off
automatically if it is not used for 4 minutes.
Follow the below steps to enable/disable
Auto Power Off Function
a. Turn scale off
b. Press and hold TARE, then press ON/ZERO
c. Scale displays F.1
d. Press TARE three times
e. Scale displays F.4
f. Press MODE to shift between 0._OFF and
4._OFF.
g. To enable Auto Power Off Function, press
ON/ZERO when 4._OFF appears.
h. To disable AutoPowerOffFunction, press
ON/ZERO when 0._OFF appears.
i. Press ON/ZERO to confirm and return to
normal operation.
4.3 SELECT BAUD RATE SETTING
This scale equipped with 6 RS232C output baud
rate settings for user to choose the desire
print transmission speed. Default setting =
9600.
Follow the below steps to select baud rate.
a. Turn scale off
b. Press and hold TARE, then press ON/ZERO
c. Scale displays F.1
d. Press TARE four times
e. Scale displays F.5
f. Press MODE to select baud rate of 1200,
2400,4800, 9600, 19200, 38400.

g. Press ON/ZERO to confirm and return to
normal operation.
Note:
No transmission will be activated if weight
detected is less than 20e.
The default data output format of the scale
is
Baud Rate = 9600
Data Bit = 8
Stop Bit = 1
Parity = None
5. INSTRUCTION FOR USE
5.1 BEFORE WEIGHING
Make sure that:
a. The plastic platter is screwed firmly and
the stainless steel platter cover is placed
on the plastic platter.
b. The scale is placed on a level and strong
surface.
c. The scale is turned on.
d. The ZERO INDICATOR is on. If not, press
ZERO/ON to set display to zero.
5.2 WEIGHING
a. Always place an object onto the platter
gently. Excessive force applied to platter
may cause damages to sensor inside scale.
b. The weight of the object would be displayed
automatically.
c. It is a good practice to remove all loads
from platter after weighing. It would
prolong the lifetime of scale.

5.3 SELECT WEIGHT UNIT
Press MODE to shift among kg àdecimal lb à
lb/oz. àkg weight units. Refer to 4.2.1 for
internal setting procedures.
The weight unit used before power off would
be employed when the scale is turned on again.
5.4 SMART POWER SAVING FUNCTION
When this function is enable, the backlight
will be turned off when constant/zero weight
is detected and remains stable for about 10/3
seconds.
Backlight will be automatically turned on again
when a weight is detected.
5.5 SET DISPLAYED VALUE TO ZERO WHEN UNLOADED
Pressing the ON/ZERO can eliminate a positive
or negative value. After the ON/ZERO is pressed,
the ZERO INDICATOR appears.
Refer to SPECIFICATIONSfor maximum zero range.
5.6 TARE OFF THE WEIGHT OF A CONTAINER
When a container is used, follow the below steps
to tare off the weight of the container and
get the net weight.
a. Remove all loads away from platter
b. Make sure that the ZERO INDICATOR is on.
c. Place the container on the platter.
d. Press TARE.
After TARE is pressed, the TARE INDICATOR would
appear.
Refer to 5.2 for weighing procedures. Weight
displayed under is the net weight of the subject
matter. Refer to SPECIFICATIONS for maximum
tare range.
5.7 CLEAR THE TARE FUNCTION
Remove all loads from platter then press TARE.
After TARE is pressed, the TARE INDICATOR would
disappear.

5.8 RECHARGE THE SCALE
The scale is equipped with a built-in
rechargeable battery. When the LO-BAT
INDICATOR appears, recharge the scale
immediately. Failure to do so may cause
unrecoverable damage to the rechargeable
battery.
Charging is completed when the color of the
IN-CHARGE INDICATOR turns to green.
6. TROUBLE SHOOTING
Syndrome Scale cannot be turned on
Check: Is the scale charged?
Action: Recharge the scale for at least 8
hours before first time use or plug
in the power adaptor before power
on the scale.
Check Is the power adaptor inserted
properly into both the electricity
outlet and the DC inlet of scale.
Action: Secure both ends of the power adaptor
and try again.
Syndrome Scale turned off automatically
Check Is Auto Power Off Function employed?
Action Refer to 4.2.2 to disable Auto Power
Off Function.
Check Is the LO-BAT INDICATOR on?
Action Apply the power adaptor.

Syndrome Rated capacity cannot be reached
Check Is the TARE INDICATOR on?
Action: Turn the scale off. Remove all loads
from platter and turn on again.
Check Is there anything obstructing the
platter?
Action Remove all obstacles.
Syndrome Weighing result is not accurate
Check Is the scale placed in a level
condition?
Action Adjust the adjustable feet to a level
condition.
Check Is the scale affected by airflow,
vibration or RFI?
Action: Place the scale away from all
disturbances.
Check Is the scale calibrated correctly?
Action Contact your dealer.
Check Is the correct weight unit employed?
Action Refer to 4.2.1 and 5.3 for weight
unit setting and usage.
Syndrome Scale displays 00000
Check Is the scale overloaded?
Action Remove some loads from platter.
Syndrome Scale displays 00000
Check Is the stainless steel platter cover
placed on the platter?
Action Place the stainless steel platter
cover onto the platter.

7. DAILY CARE AND MAINTENANCE
7.1 Cleanthescalewithasoftanddampcloth.
If necessary, apply a mild detergent.
7.2 Do not use any harsh, abrasive material,
acetone, volatile solvent, thinner or
alcohol for cleaning.
7.3 Verify the accuracy of scale
periodically.Re-calibratethescaleif
necessary.
Note: In some countries, calibration is
restricted to be done by an
authorized/qualified agent only.
Contact your dealer for more
information.
7.4 It is a good practice to apply the dust
cover when operating the scale.
7.5 The scale must be placed horizontally
during transportation or long time
storage.
7.6 Remove platter from scale before
transportation or long time storage.
7.7 Store scale in a dry and clean place.