ACS Series
Digital Counting Scales
USER MANUAL
SCALES usa © 2005
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SCALES usa © 2005
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INTRODUCTION
The ACS series of counting scales provides an accurate, fast and versatile
series of counting and check-weighing scales. The scales have selectable
units of kilograms, grams, pounds, and ounces. There are 5 models, with
capacities up to 60lb/30 kg. They all have stainless steel weighing platforms
on an ABS base assembly. All the keypads are sealed, membrane switches
and the displays are large easy to read liquid crystal type displays (LCD). The
LCD’
s are supplied with a backlight.
Features include automatic zero tracking, audible alarm for pre-set weights,
automatic tare, pre-set tare and an accumulation facility that allows the count
to be stored and recalled as an accumulated total.
SCALES usa © 2005
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INTRODUCTION ............................................................................................ 3
SPECIFICATIONS .......................................................................................... 5
ACS SERIES......................................................................................................... 5
Common Specifications......................................................................................... 5
SETUP............................................................................................................ 6
GENERAL INSTALLATION ............................................................................... 6
INSTALLATION OF ACS A/C SERIES .............................................................. 6
KEYBOARD FUNCTIONS ................................................................................. 7
1). DISPLAY PANEL ....................................................................................... 7
Figure 1 ............................................................................................................. 7
2). KEYBOARD............................................................................................... 8
Figure 2 ............................................................................................................. 8
SCALE OPERATION ...................................................................................... 9
Power on: .............................................................................................................. 9
Figure 3 ............................................................................................................. 9
Figure 4 ............................................................................................................. 9
ZEROING THE DISPLAY ................................................................................. 10
TARING ............................................................................................................. 10
NORMAL TARE: ........................................................................................... 10
PRETARE:...................................................................................................... 11
PARTS COUNTING...................................................................................... 11
SETTING UNIT WEIGHT.................................................................................. 11
WEIGHING A SAMPLE TO DETERMINE THE UNIT WEIGHT .................... 11
ENTERING A KNOWN UNIT WEIGHT........................................................... 12
PRESET COUNTING ALARM .......................................................................... 12
ACCUMULATED TOTAL COUNT................................................................... 13
BATTERY OPERATION ............................................................................... 13
OPTION SETTINGS ..................................................................................... 14
SETUP TABLE 1 ............................................................................................ 14
SCALES USA Warranty Information ............................................................ 16
SCALES usa © 2005
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SPECIFICATIONS
ACS SERIES
Model #
Maximum Capacity
Readability
ACS001AC
1.5kg/3lb
0.1g/
0.0002lb
External Resolution
1:15,000
Internal Resolution
1:128,000
Tare Range KG Mode
Full
Capacity
Minimum Capacity
.2g
Repeatability (Std Dev) 0.2g
Linearity ±
0.2
Units of Measure
Recommended
Calibrationtion
Weight
kg/g/lb/oz
1KG
Common Specifications
Interface
Stabilization Time
Calibration
Display
Operating Temperature
Power supply
Balance Housing
Pan Size
Overall Dimensions (W x D x
H),
Gross Weight
Applications
Functions
Internal Rechargeable
Battery
SCALES usa © 2005
ACS003AC
3 kg /6 lb
0.2g/
0.0005lb
1:15,000
1:128,000
Full
Capacity
.4g
0.4g
0.0008lb/
0.4g
kg/g/lb/oz
2KG or
3KG
ACS006AC
6 kg /15 lb
0.5g/
0.001lb
1:15,000
1:128,000
Full
Capacity
1g
1g
1g
ACS015AC
15kg/30lb
1.0g/
0.002lb
1:15,000
1:128,000
Full
Capacity
2g
2g
2
ACS030AC
30 kg /60lb
2.0g/
0.005lb
1:15,000
1:128,000
Full
Capacity
5g
4g
4g
kg/g/lb/oz
5KG
kg/g/lb/oz
10KG
kg/g/lb/oz
20KG
RS-232 Output NA
2 Seconds typical
Automatic External
3 x 7 digits LCD digital display
0°C - 40°C 32°F - 104°F
12Vdc, 500ma AC adapter, Internal
Rechargeable 6V Battery, 4 “
D”Drycells
ABS Plastic, Stainless Steel platform
225 x 295mm 8.9 x 11.6”
310 x 330 x 114mm (12.2”x 13”x 4.5”
)
4.1kg / 9.1lb
General Purpose Parts Counting Scale
Kilogram/g/lb/oz weighing - parts counting accumulating memory - preset count with
alarm
6V / 4Ah Sealed Lead Acid Battery
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SETUP
GENERAL INSTALLATION
 The scale should be sited in a location that will not degrade the
accuracy.
 Avoid extremes of temperature. Do not place in direct sunlight or near
air conditioning vents.
 Avoid unsuitable tables. The tables or floor must be rigid and not
vibrate. Do not place near vibrating machinery.
 Avoid unstable power sources. Do not place near large users of
electricity such as welding equipment or large motors.
 Avoid high humidity that might cause condensation. Avoid direct
contact with water. Do not spray or immerse the scale in water.
 Avoid air movement such as from fans or opening doors. Do not place
near open windows.
 Keep the scale clean.
 Do not stack material on the scale when not in use.
INSTALLATION OF ACS A/C SERIES
 Level the scale using adjustable feet. Center the bubble in the spirit
level located on the left of the scale control panel. If the scale rocks
readjust the levelers.
 The ACS A/C Series comes with a stainless steel platform packed
separately. Place the platform in the locating holes on the top of the
scale. Do not press with excessive force as this could damage the load
cell inside. There is a protective peel-off plastic coating on the platform
and on the display that may be removed if desired.
 For AC operation or charging of internal battery, set the power source
selection switch on the lower left side of the scale to the battery
position and attach the power supply cable to the connector on the
bottom of the scale. Be certain that it is firmly seated and that the
shoulder of the plug fits into the hole in the scale case. Plug in the
power supply module. The power switch is located on the bottom right
side of the scale. See Figure 2.
 FOR Dry Cell operation, set the power source selection switch on the
lower left side of the scale to Dry Cell. Insert 4 “
C SIZE”alkaline
batteries. Do not store the scale with batteries installed if it will not be
used for over 30 days to precent damage from battery corrosion.
 The battery charge light will illuminate whenever the scale is attached
to power.
SCALES usa © 2005
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KEYBOARD FUNCTIONS
1). DISPLAY PANEL
Figure 1
kg g lb oz:
The “ ”symbol appears to indicate the weight unit currently
in use. There are are four units selectable. The default startup
unit may be selected in setup.
ZERO:
The “ ”symbol appears when scale is displaying zero.
CHRG:
Not Used. The charge light on the front panel changes to red when
battery is discharged to yellow while battery is charging, and Green
when battery is charged.
STABLE:
The “▼”symbol appears when the reading is stable.
LOS:
The Lack of Sample symbol “▼”appears when the sample number on
the platform is not enough for accurate counting operation.
LPW:
The Lack of Piece Weight symbol “▼”appears when the sample unit
weight is not heavy enough for accurate counting operation.
TARE:
The “▼”symbol appears when tare function is in effect.
WEIGHT: The top display line indicates the gross or net (with the tare function
activated) weight on the platform.
UNIT
WEIGHT: The center display line indicates the average or set unit piece weight.
TOTAL:
The bottom display line indicates the accumulated total number of
pieces on the platform.
SCALES usa © 2005
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2). KEYBOARD
Figure 2
0-9 and
.:
Numeric and decimal keys.
UNITS:
Used to toggle thru weight units. (Set default startup unit in
scale setup)
M+/ :
Add the current weight/count to the accumulator memory.
Up to 99 values or full capacity of the weight display can be
added. While in scale setup mode, this key can be used as
shift key.
TOTAL:
Recalls the total accumulated weight and count from the
memory.
UNIT WEIGHT
/CANCEL:
SAMPLE /
BACK LIGHT:
QUANTITY
CHECK/<<:
TARE/<:
1 the known unit weight. In the setup mode,
Used to enter
this key is used as a cancel and exit key.
Used to input the sample size or weight. Turns backlight on
in the weighing mode. (Configure backlight behavior in
scale setup mode)
Used to turn on the check weight mode and for setting
alarm quantity.
Used to subtract the weight of a container. Indicates that
the current reading is the net weight. In setup mode, this
key can be used as a shift key
SCALES usa © 2005
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ZERO/>:
CE:
Set the weight display to “
0”when a minor value is
displayed on the scale (ex. from drifting). In setup mode,
this key can be used as shift key.
Used to clear the displayed numeric readings.
SCALE OPERATION
Power on:
 Place the scale horizontally by adjust four leveling feet at the bottom of
the scale, to place the bubble at center of the level eye (Figure 3).
Figure 3
Figure 4
 Select the desired position of the Battery Selection to Battery or Dry
Cell power as follows.
SCALES usa © 2005
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 For AC operation or charging of internal battery, set the power source
selection switch on the lower left side of the scale to the battery
position and attach the power supply cable to the connector on the
bottom of the scale. Be certain that it is firmly seated and that the
shoulder of the plug fits into the hole in the scale case. Plug in the
power supply module. The power switch is located on the bottom right
side of the scale.
 FOR Dry Cell operation, set the power source selection switch on the
lower left side of the scale to Dry Cell. Insert 4 “
C SIZE”alkaline
batteries. Do not store the scale with batteries installed if it will not be
used for over 30 days to prevent damage from battery corrosion.
 Turn on the power switch at the bottom of the scale (See Figure 4).
The display will show 0—9 sequentially and battery voltage value (over
5.5v) for several seconds. Then it will enter the weighing mode. The
weight will display zero and the zero sign“”appears.
ZEROING THE DISPLAY
You can press the ZERO key at any time to set the zero point from which all
other weighing and counting is measured, It is active within 4% of power up
zero. This will usually only be necessary when the platform is empty. When
the zero point is reached, the Weight display will show the indicator for zero.
The scale has an automatic re-zeroing function to account for minor drifting or
accumulation of material on the platform. However you may need to press
ZERO to re-zero the scale if small amounts of weight are shown when the
platform is empty.
TARING
The Tare function is used to remove the package weight, effectively setting
the weight display to zero. If the item tarred is removed, a negative weight is
displayed. This allows weighing or counting only the contents of the
container.
There are two methods to enter a tare value. Normal Tare uses the weight on
the platform and Pretare uses a value input by the user.
NORMAL TARE:
 Zero the scale by pressing the ZERO key if necessary. The zero
indicator will be on.
 Place a container on the platform, a value for its weight will be
displayed.
 Press the TARE key to tare the scale. The weight that was displayed is
stored as the tare value and that value is subtracted from the display,
leaving zero on the display.
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 The "TARE" indicator will be on. As product is added only the weight of
the product will be shown. The scale could be tarred a second time if
another type of product was to be added to the first one. Again only the
weight that is added after tarring will be displayed.
 When the container is removed, a negative value will be shown. If the
scale was tarred just before removing the container this value is the
gross weight of the container plus all product that was removed. The
zero indicator will also be on because the platform is back to the same
condition it was when the ZERO key was last pressed.
 Press the TARE key again to remove the tare weight.
PRETARE:
 This method allows you to enter a known value for the container weight
from the keypad. This is useful if all containers weigh the same, or if
the container is already full but the net weight is required and the tare
weight of the container is known.
 Remove all weight from the platform, and press the ZERO key to zero
the display.
 Enter the value for the Pretare weight IN GRAMS! including decimal
values (50.00). Using the keypad, press Tare to store the tare value.
The weight will show a negative value equal to the tare.
 Note: If you have the scale set to operate in a unit other than grams,
the weight will be converted to that unit in the top window, but the
Pretare weight can only be entered in grams.
 Place the container on the platform. The display will then show the
weight of the container minus the tare weight. Then when a full
container is placed on the platform the tare value will be subtracted
from the gross weight displaying only the net weight of the contents.
PARTS COUNTING
SETTING UNIT WEIGHT
In order to count parts, it is necessary to know the average piece weight of
the items to be counted. This can be done by placing a known number of the
items on the weighing platform and letting the scale determine the average
unit weight (Sampling), or by manually entering a known weight using the
keypad.
WEIGHING A SAMPLE TO DETERMINE THE UNIT WEIGHT
 To determine the average weight of the items to be counted it will be
necessary to place a known quantity of the items on the scale and then
key in the number of items being weighed. The scale will then divide
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the total weight by the number of items and display the average unit
(piece) weight. The unit weight will be more accurate when the
number of items placed on the scale is a large value. For example, A
more accurate unit weight can be measured by placing 50 parts on the
scale instead of 25.
 Zero the scale by pressing the ZERO key. If a container is to be used,
place the container on the scale and press tare as discussed earlier.
 Place a known quantity of items on the scale. After the weight display
is stable enter the quantity of items using the numeric keys followed by
SAMPLE key. The number of items will be displayed on the "Count"
display and the computed average piece weight will be shown on the
"Unit Weight" display.
 As more items are added to the scale, the weight and the quantity will
increase.
ENTERING A KNOWN UNIT WEIGHT
 If the unit weight is already known then it is possible to enter that value
using the keypad.
 When weighing in kilograms or grams the unit weight is entered in
grams. When weighing in pounds the unit weight is entered in pounds.
When weighing in ounces, the unit weight is entered in ounces.
 Enter the value of the unit weight using the numeric keys followed by
pressing the UNIT WEIGHT key. The "Unit Weight" display will show
the value as it was entered.
 Add items to the scale and the weight will be displayed as well as the
quantity based upon the unit weight.
PRESET COUNTING ALARM
Preset Counting is a procedure that causes an beep to sound when the
weight on the scale falls within a preset range. The weight range is set as
follows.
1. Press the QUANTITY CHECK key while the scale is either loaded or
unloaded.
2. Press the ZERO key to toggle the check weight function to ON.
3. Press the M+ key to save.
4. L XXX will show in the center window. Key in the low value and press
M+ key.
5. H XXX will now show in the center window. Key in the high limit value
and press the M+ key again.
6. The scale will now return to the weighing mode and the Quantity Alarm
will be on.
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7. To disable the Alarm/ Beep function, Press QUANTITY CHECK /
ZERO/ M+.
ACCUMULATED TOTAL COUNT
When counting large quantities, it is more accurate to count in smaller
batches rather than one huge batch. Up to 99 batches can be counted and
added to the internal scale memory. This allows the operator to keep a
running total.
The count can be added to the memory as follows
1. Press the M+ key. The "Weight" display will show the number of times
that items have been added to the accumulation memory, and the
“
Count”display will show the total number of items in memory. Press
the CE key to return to counting.
2. Additional product can then be weighed or counted and the M+ key
pressed again. This can continue for up to 99 entries, or until the
weight capacity is reached.
3. To observe the total stored press the TOTAL key.
4. To clear the memory press TOTAL and then QUANTITY CHECK to
clear all values from memory.
BATTERY OPERATION
The scales can be operated from the internal rechargeable battery if desired.
The battery life is approximately 70 hours. When the battery needs charging
the low battery symbol will be displayed, the battery should be recharged
immediately. The scale will still operate for about 10 hours after which it will
automatically switch off to protect the battery. To charge the battery, simply
plug the AC Adapter into the scale and the AC power outlet. The charge LED
on the front panel is red when battery is discharged and changes to yellow
while the battery is charging, and to green when battery is charged. The
scale does not need to be turned on. The battery should be charged for 12
hours for full capacity. When the battery life becomes unacceptable then
obtain a sealed lead acid replacement battery of the same type and capacity.
SCALES usa © 2005
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OPTION SETTINGS
 To set the optional scale technical parameters, it is necessary to enter
a setup menu. This is done by entering a key combination while the
scale is in the weighing mode.
 To enter the settings menus press and hold the CE key and then
briefly press the QUANTITY CHECK key and release both keys. The
parameter menu has 7 functions that can be toggled thru using the
ZERO key The Weight Display will show the name of the functions
and the Unit Weight Display will show the setting.
 To step through available settings within a parameter, press the ZERO
key.
 At any time. Press the UNIT WEIGHT / CANCEL key to return to
weighing.
SETUP TABLE 1
Weight
Description and Settings (Shown in Unit Weight Display)
Display
FILt ?
). SELECTION OF FILTER GRADE. There are two filter modes
(mode 1 and mode 2) for the scale. Each mode has four grades (0-3). The
higher the grade is, the higher the stability is but the slower the reaction
is. For example, “
SEL 1 0”means the reaction of the scale is the
quickest, but its stability is the lowest. “SEL2 3”means the reaction of
the scale is the lowest, but its stability is the highest.
In the FILt ? menu, press M+ to enter selection of filter grade mode.
Then step thru the grade modes using the ZERO/> key until you reach the
desired mode. Press M+ to save it. The display will show next menu. Or
press the UNIT WEIGHT/CANCEL key to exit.
StAb ?
SELECTION OF STABILITY. There are five stable grades(0—4). In
the “StAb ?”menu, press M+ to enter it. Then choose the grade by shift
key ZERO/>. The original grade is 1. The higher the grade is, the higher
the stability is. Press M+ to save it. The display will show next menu. Or
press the UNIT WEIGHT/CANCEL key to exit.
2trC ?
SELECTION OF ZERO TRACING GRADE. There are five zero
tracing grade (0-4). In the “2trC ?”menu, press M+ to enter it. Then
choose the grade by shift key ZERO/>. The original grade is 1. The
higher the grade is, the larger the zero tracing is. . Press M+ to save it.
The display will show next menu. Or press the UNIT
WEIGHT/CANCEL key to exit.
SCALES usa © 2005
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Option Settings (cont.)
2.dSP ? SELECTION OF ZERO DISPLAY RANGE. There are five zero
display ranges (0—4). In the “2.dSP ?”menu, press M+ to enter it.
Then choose the range by shift key ZERO/>. The original grade is 1. The
higher the range is, the larger the zero display range is. Press M+ to save
it. The display will show next menu. Or press the UNIT
WEIGHT/CANCEL key to exit.
UnIt ?
SELECTION OF STARTUP UNITS. This function is used for setting
the default unit. The unit selected will be kept in the scale when turn on
the scale each times. There are four units ( kg, g, lb and oz ) to be
selected. Press M+ in the “UnIt ?”menu to enter it, choose the desired
unit by Shift key ZERO/>. Press M+ to save it. The display will show
next menu. Or press the UNIT WEIGHT/CANCEL key to exit.
BK lg ?
SELECTION OF BACKLIGHT MODE
There are three backlight modes (“OFF”,“ON”and “AUTO”)
selectable. “ON”means backlight is always on, “OFF”means backlight
is always off, and “AUTO”means the backlight is OFF with the scale at
zero, and ON with a load on the platform. The default is in AUTO mode.
Press M+ to save it. The display will show next menu. Or press the UNIT
WEIGHT/CANCEL key to exit.
ACAL
SELECTION OF AUTO UPDATE FOR UNIT WEIGHT. This
function is used for updating the unit weight automatically. Press M+ in
the “ACAL?”menu to enter it, choose ON (or OFF) by ZERO/> key.
Press M+ to save it. The display will show next menu. Or press the UNIT
WEIGHT/CANCEL key to exit.
SCALES usa © 2005
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SCALES USA Warranty Information
Thank you for purchasing DigiWeighPro.
The ACS A/C scale comes with a 1-year warranty. If you need service for
your scale, please email your request to our customer service center at
sales@scalesusa.com or fax it to 206-600-1777. Also you can log on our
website at www.scalesusa.com and contact us through our customer service
page.
This warranty will cover all defective scales within their warranty period. You
must provide a copy of your receipt. This warranty will be void if the scale
has been damaged due to misuse, physical abuse, accident, unauthorized
service, or other cause not arising out of defects in materials or workmanship.
During the one year warranty period, if your scale fails to work properly when
used under normal conditions, Scales USA will repair, or at our option,
replace it without charge. The Scales USA user has to pay the shipping
charge to send the defective scale with the receipt of purchasing back to
us and we will pay the cost of shipping to return the repaired or replaced
scale to user. There are no other charges to the consumer for warranty
coverage other than the shipping cost back to the manufacturer.
Our USA service center address is:
Scales USA
10306 E. Dunn Rd
Chattaroy, WA 99003
USA
Scales USA will provide the best quality scales and customer service for our
entire satisfied customers and appreciate your business!
Thank you for your business!
The Scales USA customer service staff.

SCALES usa © 2005
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