CAS 25AC User manual

AC-TYPE
Counting Scale
OWNER’S MANUAL

CONTENTS
PRECAUTIONS 4
PREFACE 6
NAMES AND FUNCTIONS 6
INSTALLATION 9
OPERATIONS 10
1. When You Know the Number of the Samples 10
2. When You Know the Unit Weight of a Sample 11
3. Checking the Limited Quantity 12
4. How to Use Tare Function 13
5. Computing Error Alarm 16
SPECIFICATIONS 17
SPECIFICATIONS FOR CE MARKING 18

5
Keep away from the place which occurs the strong EMI noises.
Leveling: If the scale is not
properly level, please adjust
the 4 legs at the bottom of
the scale(turn legs clockwise
or counterclockwise) so as to
center the bubble of the
leveling gauge inside the
indicated circle.
Lift the platter, then you will
see the leveling gauge.
Leveling gauge
4
Do not put the scale on a sudden
temperature changes.
PRECAUTIONS
Place the scale on a flat and stable
surface.
Do not put the scale on a sudden
impact to the platter. Keep away from the wet place.
Check the power voltage.
Plug into a power outlet 10 minutes before operations.

7
DISPLAY & KEYBOARD
WEIGHT DISPLAY
This display shows the weight of the sample on the platter.
When the tare is removed from the platter, the display shows the tare weight
with "-".
If the weight exceeds the maximum capacity of the scale, the display will show
O-L and you will hear a beep sound.
The symbol represents the lamps on the displays.
ZERO Lamp: If the ZERO lamp is on, it means that weight is zero.
TARE Lamp: If the TARE lamp is on, it means that tare is entered.
UNIT WEIGHT DISPLAY
This display shows the unit weight of the sample or recorded sampling
quantities.
Lack of Sample: This lamp blink when the sample is lacked.
Lack of Unit Weight: This lamp blink when unit weight is within the range of
unit weight lack.
NUMBER DISPLAY
This display shows the number of the sample.
NUMBER
WEIGHT
UNIT WEIGHT
PCS
ZERO
TARE
LACK OF
SAMPLE
LACK OF
UNIT WEIGHT
kg
g
PER PCS
CAPACITY: 50kg x 10g
PCS U.W.
TARE ZERO
ON/OFF
KEY FUNCTION
~
09
Numeric keys used to enter numerical data.
Used to enter the unit weight with decimal point.
Used to set the limited quantity.
KEYS FUNCTIONS
6
PREFACE
NAMES AND FUNCTIONS
Thank you for the purchasing our CAS AC Series.
This series has been designed with CAS reliability, under rigid quality control
and with outstanding performances, Your departments can enjoy with this high
quality reliable CAS products.
We believe that your needs will be satisfied and you will have proper reliability
in variable weight. This manual will help you with proper operations and take
care of the AC Series.
Please keep it handy for the future references.
OVERALL VIEW
Platter
Support
Display Keyboard
Adjusting bolt Leveling gauge

9
INSTALLATION
3. Attach the head guide to the support then
fasten with screws. 4. Attach the head to the head guide then
fasten with stop bolt.
5. Insert the power line and wire of load cell into
the connector on the rear head.
1. Insert the power line into the support then
fasten with a bushing and bolts. 2. Arrange the wire then insert the support cover
to the support.
8
C
ON
OFF
PCS
U.W.
TARE
ZERO
Clear key used to clear recorded unit weight or recorded quantity.
When you know the number of the samples, you can get the unit
weight by pressing this key.
When you know the unit weight, you can get the number of
the samples by pressing this key.
Used to set the ZERO point.
Used to clear TARE entries and to enter TARE weight.
Used to enter the limited quantity.
Turns the display on or off.
Set all displays to Zero.
KEYS FUNCTIONS
AC power cord
terminal
Fuse holder
Load cell connecter terminal
Span hole
Power
line
Head
guide
Head
Stop bolt
Support
cover
Support
ON/OFF switch
REAR PANEL
Fuse Holder: There is a fuse to protect circuit.
If the scale does not operate while power is on, check the fuse and replace it
by a new one.
AC power cord terminal: Insert AC power cord completely.
Load Cell Connector terminal: It is a connector terminal to link with Load Cell
cable that sensing weight. Insert connector and tighten the bolt by turning to
the right.

11
10
OPERATIONS
1. When You Know the Number of the Samples
When you know the number of the samples, you can use this method.
Make sure that ZERO lamp is on.
Place the samples on
the platter. Enter the number of the samples with the numeric
keys.
Press the PCS key, then
the unit weight display will
show the unit weight of
sample.
Remove the samples and press the C key.
NOTE: If the unit weight display shows "-----", remove the samples and press
the C key. In this case, it is impossible to know the unit weight.
Insert load cell connector into the load cell terminal.
Plug the scale into an AC socket and make sure that the socket's power is
within the scale's operating range.
Turn ON the power switch.
Press ON/OFF key on the keyboard.
The scale count up to 9's and you will hear a beep.
PCS U.W. TARE ZERO PCS U.W. TARE ZERO
PCS U.W. TARE ZERO
2. When You Know the Unit Weight of a Sample
When you know the unit weight of a sample, you can use this method.
Make sure that ZERO lamp is on.
PCS U.W. TARE ZERO PCS U.W. TARE ZERO
Place the samples on
the platter. Enter the unit weight of a sample. Press the U.W. key, then
the number display will show
the number of the samples.

13
Place the samples on
the platter.
PCS U.W. TARE ZERO PCS U.W. TARE ZERO
Enter the unit weight. Press the U.W. key.If these
samples exceed the limited
quantity, the number will
flicker in the number display.
PCS U.W. TARE ZERO
Remove the samples from the platter and
press the C key.
NOTE: To get out of this mode, follow below steps.
press the C key press the key three times press the C key
press the TARE key.
4. How to Use Tare Function
Tare is the weight of a container being used for a sample.
The TARE key subtracts the weight of the container.
12
PCS U.W. TARE ZERO
Remove the samples and press the C key.
3. Checking the Limited Quantity
If the number of samples exceed the limited quantity, the display will flicker with
an alarm. This function helps unit packaging or quantity checking.
Make sure that the zero lamp should be on.
PCS U.W. TARE ZERO PCS U.W. TARE ZERO PCS U.W. TARE ZERO
Press " " key 3 times. Enter the limited quantity
that you wish to set.
If you want to change this
quantity, press the C key and
enter the limited quantity
again.
Press the TARE key,
then the limited quantity is
entered.

15
PCS U.W. TARE ZERO PCS U.W. TARE ZERO
Enter the weight of the
container. Press the TARE key. Then you will see the weight
of the container.
Place the sample with
container on the platter.
NOTE: If the weight of the container is 2kg, you have to type 200 (), because
the weight of the container is displayed as 2.00kg in the weight display ( ).
If the weight of the container is 900g, you have to type 90, then the weight
display shows the 0.90kg(900g).
PCS U.W. TARE ZERO
Remove the sample with
container from the platter. Press the TARE key.
14
Place the container on
the platter. Press the TARE key.
A) Unknown Tare
If you do not know the weight of the container, you may use this method.
Make sure that ZERO lamp is on.
Place the sample in the
container. Then the weight
display will show only weight
of the sample.
Remove the container and press the TARE
key.
B) Known Tare
If you know the weight of the container you may use this method.
Make sure that ZERO lamp is on.
PCS U.W. TARE ZERO
PCS U.W. TARE ZERO

17
Unit Weight Lack Alarm
If unit weight is within the range of unit weight lack, Lack of Unit Weight
lamp will be flickered. (Refer to TABLE 2)
TABLE 2.
MODEL MAX. WEIGHT RANGE OF SAMPLE RANGE OF UNIT
WEIGHT LACK WEIGHT LACK
25AC 25kg 0 125g 0 2.5g
50AC 50kg 0 250g 0 5g
100AC 100kg 0 500g 0 10g
SPECIFICATIONS
MODEL
CAPACITY
MAX. TARE WEIGHT
SAMPLE LACKING
UNIT WEIGHT LACKING
FUNCTION
DISPLAY DIGIT
TEMPERATURE RANGE
POWER SOURCE
POWER CONSUMPTION
PRODUCT SIZE
PRODUCT WEIGHT
25AC 50AC 100AC
25kg 5g 50kg 10g 100kg 20g
9.995kg 19.99kg 39.98kg
0125g 0 250g 0 500g
02.5g 0 5g 0 10g
PCS, U.W., TARE, ZERO
5 / 5 / 5
5°C 35°C
AC 220V / 60Hz
APPROX. 10W
420(W) 615(D) 968(H)
APPROX. 17kg
16
TABLE 1. Range of the Tare Weight
MODEL MAX. WEIGHT MAX. TARE WEIGHT MIN. WEIGHT
25AC 25kg 9.995kg 5g
50AC 50kg 19.99kg 10g
100AC 100kg 39.98kg 20g
5. Computing Error Alarm
This scale has an alarm function for the samples that are either very small or very
light. This function shows the possibility of calculating errors.
Sample Weight Lack Alarm
If the sample weight is within the range of sample weight lack,
(Refer to TABLE 2) Lack of Sample lamp will be flickered.
PCS U.W. TARE ZERO PCS U.W. TARE ZERO
Place the samples on
the platter. Enter the number of the samples. To get the unit weight, press the PCS key.
For example, if this scale is 50AC, 0.2kg(200g) is within the range of sample lacking.
(Refer to TABLE 2) In this case, Lack of Sample lamp will be flickered.
Until the flickering disappears, increase the sample weight, then the unit weight can be
changed and the number of samples will be calculated automatically.
NOTE: If the counting number exceed the "99,999", then the number display
shows "-----", and you will hear a beep sound.

18
2. Electrical conditions for LVD (Low Voltage Directive) testing.
Power source: AC 220V ~ 240V 50Hz, 250mA, 10W
Insulation class:
3. Environment Conditions for non-automatic weighing instrument.
This product is intended to be “indoor use”.
Altitude: less 2000m
Temperature range: 10°C 40°C
Maximum RH 80% (31°C), decreasing linearly to 50% RH at 40°C.
Supply voltage fluctuations: 10% of the normal voltage.
Installation category:
Pollution degree:
4. How to connect the power supply
The power switch is located on the left side of the scale. Make sure that the
power switch is “OFF”.
Plug the scale into AC socket and make sure that the socket’s power is within
the scale’s operating range. Turn the power switch “ON”.
5. The socket-outlet shall be installed near the equipment and shall be easily
accessible.
6. Do not pour water directly on the scale. Use the plastic cleaner to clean your
scale.
7. Changes or modifications not expressly approved by manufacturer for
compliance could void the user’s authority to operate the equipment.
; Above statements can be applied to product with CE marking.
IEC 417. NO. 5032
IEC 417. NO. 5019
ALTERNATING CURRENT
PROTECTIVE CONDUCTOR TERMINAL
SYMBOL PUBLICATION DESCRIPTION
1. Symbol Description
SPECIFICATIONS FOR CE MARKING