AWS PS-25 Bedienungsanleitung

American Weigh Scales

PS-25 (55lb x 0.02lb)

User Manual

PS-25

Introduction

Thank you for purchasing the American Weigh PS-25 digital

postal 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. Overloading your

scale can permanently damage it!

• Avoid exposure to extreme heat or cold. Scales perform best

at normal room temperature. If temperatures have changed

dramatically, calibration and adjustment may be necessary.

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

performing calibration and adjustment(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 computers, cash registers, and

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.

• Do not disassemble your scale. This product contains no user

serviceable parts.

I. Part List

1.Scale

2.Platform

3.AC-Adapter

4.AA Batteries (x2)

II.Key Description

III. Battery Installation

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.

55lb x 0.01lb

25kg x 2g

AWS-POSTAL

TARE MODE ON/OFF

HOLD

55lb x 0.01lb

25kg x 2g

AWS-POSTAL

TARE MODE ON/OFF

HOLD

TARE

Key

MODE

Key

ON/OFF

Key

HOLD Key

PS-25

IV. 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.

V. Hold Feature

1.Tousetheholdfeature,rstplaceanitemonthescale

platform.

2.Press the HOLD button located on the side of the scale.

3.The display will show HOLD and the weight will be held on

the display, even after the item is removed. This allows you to

record the weight of oversized boxes that cover the display.

4.To return to normal weighing, press the HOLD key again. The

HOLD indicator will turn off.

VI. 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.

• PS-25 Units: lb (pound), kg (kilogram), kg:g (kilogram:gram),

lb:oz (pound:ounce)

VII. 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.

1.Place the empty container or vessel on the weighing platform.

2.Press the TARE key once. The display will then reset to zero.

If the container is removed, it’s 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.

VIII.Calibration (Advanced Users Only)

Calibration and adjustment are performed at the factory. Only

trained technicians should perform calibration and adjustment

if the scale is not weighing properly. Do not proceed with

calibration without the proper 10kg weight with class M2

or better or you could cause your scale to be inaccurate.

Calibration is not covered under warranty.

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 below), adjustment is required.

Model Acceptable

Tolerance (±)

Calibration

Weight

Recommended

Accuracy Class

PS-25 4g 10kg OIML M2

IX. Adjustment (Advanced Users Only)

1.Press and hold the MODE key until the display shows “CAL”.

2.Press the MODEkeyagain.Thedisplaywillash“CAL”

followed by the calibration weight value (see chart).

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

platform.

4.The display will show “PASS” then return to normal weighing

PS-25

mode. Calibration is complete!

X. Troubleshooting

• Problem: Scale will not turn on

• Solution: Check the batteries or AC adapter

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

• Solution: Make sure your workspace is stable and

freeofanyaircurrents,vibration,ormagneticelds

• Problem: Displayed weight is inaccurate

• Solution: Perform a calibration adjustment

XI. Error Codes

1.OUTZ - Zero range has shifted. Perform calibration adjustment.

If the problem persists, the load cell may be permanently

damaged due to overloading.

2.O-LD - Maximum capacity exceeded. Remove the extra weight

to avoid damaging the load cell.

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

PS-25

Max. Capacity 25kg / 55lb / 55lb:0.0oz

Readability 2g / 0.02lb / 0.2oz

Min. Capacity 6g / 0.2oz

Power 2 x AA Batteries or AC Adapter

Platform Dimensions 8.0 x 8.0 x 2.8 in.

Warranty 10 Year Limited Warranty

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