AWS SG-300 Manual de usuario

American Weigh Scales

SG-300 (300g x 0.1g)

User Manual

SG-300

SG-300 Manual

Thank you for purchasing the American Weigh

SG-300 spoon 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:

• When weighing, try to keep your the spoon as level

and steady as possible.

• 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.

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

items onto the weighing spoon.

• 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.

HOLD

ON/TAREMODE

I. Part List

1. Scale

2. 1.5 Tbsp Weighing Spoon

3. 3.0 Tbsp Weighing Spoon

4. AAA Batteries (x2)

II. Key Description

1. Mode Key - Changes the displayed unit of measure.

2. On/Tare Key - Turns the scale on. Re-zeros the

scaleifpressedbriey.Holdtoturnoffthescale.

3. Hold Key - Press to hold the weight on the display.

III. Battery Installation

Proper Battery Installation

1. 2.

HOLD

ON/TAREMODE

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.

Use a small Phillips

head screwdriver

to open battery

compartment

SG-300 Manual

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. Operation

1. Press the ON/TARE 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

spoon and hold it level and steady.

4. Wait a couple seconds for the display to stabilize

before taking a weight reading.

5. To turn the scale OFF, press and hold the ON/

TARE key.

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.

• SG-300: g (gram) oz (ounce)

VI. Using the Tare Feature

Use the Tare feature to re-zero the scale if necessary

1. Press the ON/TAREkeybrieyThedisplaywillthen

reset to zero.

VII. Calibration

Initial calibration is performed at the factory. Calibration

should only be performed by experienced users and only

if the scales readings are off on a known weight such as

a calibration weight. Please note that accuracy will also

depend highly on the angle that you hold the scale. It should

always remain level:

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

SG-300 0.3g 200g OIML M2

VIII. Adjustment

1. Press and hold the MODE button to enter calibration

mode.

2. Thedisplaywillash“CAL”.Makesurethespoonis

empty and press MODE again.

3. Thedisplaywillash“200.0g”.Placea200g

calibration weight in the weighing spoon and keep

the scale level and stable.

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

weighing. Calibration is complete!

SG-300 Manual

IX. Troubleshooting

• Problem: Scale will not turn on

• Solution: Check the batteries and battery contacts.

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

• Solution: Make sure to hold the scale as still and

level as possible when weighing. Avoid strong air

drafts and vibration sources.

• Problem: Displayed weight is inaccurate

• Solution: Perform a calibration adjustment. If

you are still having trouble, contact our warranty

department.

X. Error Codes

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

range. Try to perform a calibration adjustment. If the

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.

XI. Care and Maintenance

1. The detachable spoons are dishwasher safe.

2. To clean the body of the scale, use a slightly damp

cloth. Do not use harsh solvents or abrasives.

XII. Specications

SG-300

Max. Capacity 300g

Readability 0.1g

Min. Weight 0.5g

Power 2x1.5V“AAA”Alkaline

Display Dimensions 0.5 x 1.3 in.

Spoon Sizes 1.5 Tbsp and 3.0 Tbsp

Warranty 10 Year Limited Warranty

XIII. Capacity/Readability Charts

SG-300

300g x 0.1g

10.58oz x 0.01oz

SG-300 Manual

American Weigh Scales, Inc.

Norcross, GA 30092

Made In China to our exact

specicationsandqualitycontrol.

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