AWS PC Series Manual de usuario

American Weigh Scales

PC-201 (200g x 0.01g)

PC-2000 (2000g x 0.1g)

User Manual

PC-Series

PC-Series Manual

Thank you for purchasing the American Weigh

PC-Series digital pocket scale. Please read all operating

instructions carefully before use. Scales are precision

measuring devices and should always be handled with

proper care. To ensure years of reliable service, keep these

simple tips in mind:

• Do not exceed the scale’s maximum capacity. This

scale has integrated overload protection, but any

overload protection has its limits!

• Avoid exposure to extreme heat or cold. Scales

perform best at normal room temperature. If

temperatures have changed dramatically, recalibration

may be necessary.

• Allow your scale to warm up for 30-60 seconds before

performing calibration (if available).

• Store your scale in a clean, dry location. Dust, dirt,

and moisture can accumulate on the weighing

sensors and electronics causing inaccuracy or

malfunction.

• Avoid using your scale in close proximity to strong

radio wave emitting devices such as cordless phones.

• Alwaysweighonaatandlevelsurface,freefrom

vibrations and drafts. The corner of a room is usually

the most stable.

• Gently apply all items to be weighed. Do not drop

items onto the weighing platform.

• Avoid dropping your scale. The warranty does not

cover damage due to rough treatment or overload.

• Checkthebatteriesrstifyouarehavinganytrouble

with your scale. This simple step can remedy most

scale issues.

• Calibration should be checked and adjusted

occasionally as part of routine scale maintenance.

I. Part List

1. Scale

2. Cover / Tray

3. AAA Batteries (x2)

II. Key Description

1. TARE - Sets the displayed weight to zero

2. ON/OFF - Turns the scale on or off

3. MODE - Changes the display weighing unit

4. CAL - Enters calibration (See Section IX)

5. M - Enters unit price setup mode

6. K - Selects the current unit price preset 1-7

7. Numeric Keys 0-9 / . / DEL - Enters unit price

III. Battery Installation

TARE

ON/OFF

1 2 3 4

5 6 7 8

9 0 .

DEL

MODE

CAL

DC 5V

TARE

ON/OFF

1 2 3 4

5 6 7 8

9 0 .

DEL

MODE

CAL

DC 5V

TARE

ON/OFF

1 2 3 4

5 6 7 8

9 0

DEL

MODE

CAL

DC 5V

TARE

ON/OFF

1 2 3 4

5 6 7 8

9 0 .

DEL

MODE

CAL

DC 5V

Proper Battery Orientation

Unit Price

Total

Weight

PC-Series Manual

Low batteries can cause inaccuracies in digital scales. If

youareexperiencingissueswithyourscale,rsttrynew

batteries. Most times, this will solve the problem.

1. Beforeusingthescaleforthersttime,check

the battery compartment and remove any plastic

insulation strips or packaging that may be in place to

prevent battery drainage during shipping/storage.

2. If you are replacing the batteries, make sure the

positive and negative contacts are properly aligned.

IV. Basic Operation

1. Placethescaleonaat,levelsurfaceandpressthe

ON/OFF key to turn the scale on.

2. Once the start-up process completes and the scale

goes to zero you are ready to weigh.

3. Place the quantity to be weighed onto the weighing

platform.

4. Wait a couple seconds for the display to stabilize

before taking a weight reading.

5. To turn the scale OFF, press the ON/OFF key again.

V. Changing the Unit of Measure

1. Press the MODE key to change the scales displayed

unit of measure.

2. If the scale is turned off then back on, it will default

to the last unit used.

• PC-201 & PC-2000 Units: g (gram) oz (ounce)

ozt (troy ounce) dwt (pennyweight) ct (carat)

gn (grain)

VI. Using the Tare Feature

You can use this scale’s tare feature to subtract the weight

of an empty container or vessel for net weight determination.

NOTE: The weight of the container will subtract from the

available capacity (subtractive taring).

1. Place the empty container or vessel on the weighing

platform.

2. Press the TARE key. The display will then reset

to zero after a couple seconds. If the container is

removed, its weight will be displayed as a negative

number.

3. Youmaynowllthecontainerwiththequantityto

be weighed. The display will show the net weight of

the contents.

4. To return to normal weight display (gross weight),

remove any items from the weighing platform and

press the TARE key again to re-zero the scale.

VII. Unit Price Setup

The price computing mode allows you to store up to 7 unit

price presets to use for price calculation. This scale’s price

computing mode is for personal use only and is not legal

for trade.

1. Press the K button to select a preset to change (1-7)

2. Press the M key.Thepresetnumberwillash.

3. Use the numeric keypad to enter the desired unit

price. Press DEL to delete if you make a mistake.

4. Press Magaintoconrm.Thedisplaywillnowshow

the unit price, weight, and total price.

5. Press MODE if you wish to change the weighing unit

PC-Series Manual

VIII. Price Computing

1. Press the Kkey to select a unit price preset

2. Place the item to be weighed on the platform

3. The display will show the unit price, weight, and

total price.

4. Press MODE if you wish to change the weighing unit

IX. Calibration

Initial calibration is performed at the factory. However, the

calibration can drift slightly due to stresses from shipping.

Also, due to changes in local acceleration of gravity around

the world, adjustment is recommended when moving the

scale from one location to another. To check calibration:

1. Place the required calibration weight on the scale

and note the displayed value.

2. If the displayed value is not within acceptable

tolerance (see chart on next page), adjustment is

required.

Model Acceptable

Tolerance (±)

Calibration

Weight

Recommended

Accuracy Class

PC-201 0.02g 200g OIML M2

PC-2000 0.2g 2000g OIML M2

X. Adjustment

WARNING: If you do not use the correct weight

listed in the above chart for your scale, you WILL

miscalibrate and lose the factory calibration.

Calibration requires an accurate weight.

1. Press the CAL button to enter calibration mode. The

display will show “CAL”.

2. Make sure no weight is on the platform then tap

the CAL key again to set the zero point. The LCD

willash“CAL”followedbytherequiredcalibration

weight again (see chart on previous page).

3. Place the required weight on the center of the scale

platform.Thedisplaywillash“PASS”thenreturnto

normal weighing. NOTE: PASS only indicates that

calibrationhascompletedandisnotaconrmation

that you have used the correct weight.

4. Test the accuracy by placing the same calibration

weight back on the platform and checking the

value. If the value is within the acceptable tolerance

limit, calibration is complete. If not, try repeating

calibration under more stable conditions.

XI. Troubleshooting

• Problem: Scale will not turn on

• Solution: Check the batteries and battery contacts.

• Problem: Displayedweightuctuatesrandomly

• Solution: Make sure your workspace is stable

and free of any air currents, vibration, and static

electricity. Nearby radio wave emitting devices can

causeuctuations.

• Problem: Displayed weight is inaccurate

• Solution: Perform a calibration adjustment. If

you are still having trouble, contact our warranty

department.

XII. Error Codes

1. OUTZ - Zero point has drifted out of the acceptable

range. Try to perform a calibration adjustment. If the

PC-Series Manual

American Weigh Scales, Inc.

Norcross, GA 30092

Made In China to our exact

specicationsandqualitycontrol.

problem persists, the load cell may be permanently

damaged due to overloading.

2. O-Ld - Overload. The maximum capacity has

been exceeded. Remove the extra weight to avoid

permanently damaging the load cell.

3. Lo - Batteries are low. Replace the batteries.

XIII. Specications

PC-201 PC-2000

Max. Capacity 200g 2000g

Readability 0.01g 0.1g

Min. Weight 0.03g 0.2g

Power 2 x 1.5V “AAA” Alkaline

Dimensions 0.9 x 5.0 x 6.4 in.

Platform Dimensions 4.4 x 4.8 in.

Warranty 10 Year Limited Warranty

XIV. Capacity/Readability Charts

PC-201 PC-2000

200g x 0.01g

7.055oz x 0.001oz

6.430ozt x 0.001ozt

128.60dwt x 0.01dwt

1000ct x 0.05ct

3086.4gn x 0.2gn

2000g x 0.1g

70.55oz x 0.01oz

64.30ozt x 0.01ozt

1286.0dwt x 0.1dwt

10000ct x 0.5ct

30864gn x 2gn

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