AWS AMW-50 Manual de usuario

American Weigh Scales, Inc.

AMW

150

AMW

250

AMW

500

User Manual

AMW Series

Digital Pocket Scale

AMW Series Manual

Thank you for purchasing the American Weigh

AMW-Series digital scale. Please read all operating

instructions carefully before use. This electronic scale

is a precision instrument. With normal care and proper

treatment, it will provide years of reliable service.

Never load the scale with more than the maximum

capacity. Overloading will permanently damage it!

Avoid any exposure to extreme heat or cold. Your

scale works better when operated at normal room

temperature. Always allow the scale to acclimatize to

normal room temperature for at least one hour before

use.

Give your scale suf cient warm up time. Usually

30-60 seconds before calibration to give the internal

components a chance to stabilize.

Keep your scale in a clean environment. Dust, dirt,

moisture, vibration, air currents and a close distance to

other electronic equipment can all cause an adverse

effect on the reliability and accuracy of your scale.

Handle with care. Gently apply all items to be weighed

onto tray top. Although this scale is designed to be

quite durable, try to avoid rough treatment as this may

permanently damage the internal sensor.

Avoid shaking, dropping or otherwise shocking the

scale. This is a precision instrument and must be

handled with extreme care.

Only operate the scale on a stable, vibration free

surface.

I. OPERATION

Place Scale on a horizontal  at surface.

1. Press [ON/OFF] key.

2. Wait until "0.0” is displayed.

3. Put the object(s) on the weighing platform.

4. Using the [MODE] key, you can switch between the

weighing units.

II. TARE WEIGHING

1. Turn on scale as described above.

2. Place the "tare item" on the platform.

3. Press [TARE] and wait until "0.0" is displayed.

4. Add the "net-weight-item".

III. CALIBRATION

Calibration is NOT required before  rst use. Only

calibrate if scale is not weighing properly.

**Make sure you use the correct calibration weight for

your scale or the calibration will not be accurate**

AMW-50: 50g calibration weight

AMW-150: 100g calibration weight

AMW-250: 200g calibration weight

AMW-500: 500g calibration weight

Calibration Procedures for AMW-150, 250, 500

(AMW-50 Calibration Procedures on next page)

1, Turn OFF the scale, press and hold the [CAL] key

and then press [ON/OFF] shortly. After 1-2 seconds,

the scale will display a random number. Now release

the [CAL] key.

2, Wait 2 seconds and press [ON/OFF] key again

shortly.

3, The LCD display will read “2ero” followed by the

amount of weight required to calibrate (listed above).

4. Place the required calibration weight on the platform

(ie. AMW-150 place a 100g on the scale)

5. Press [ON/OFF] again. The LCD display reads

“CAL”, then “PASS”.

6. Remove the weight and press [ON/OFF] to turn off

the scale. Finished!

Repeat if needed.

Calibration Procedures for AMW-50

1. Turn OFF the scale.

2. Press [ON/OFF] shortly. Then immediately press

and hold [MODE] until “CAL” is displayed. Release the

[MODE] key.

3. Press [MODE] again. Now the display will show

“CAL” and “50.00” will  ash 3 times.

4. Place a 50g weight on the center of platform. Wait

3-4 seconds. The LCD display will read “PASS”, then

“50.00”.

5. Remove the weight and press [ON/OFF] to turn off

the scale. Finished! Repeat if needed.

Please check the availability of weights at the store

you bought your scale from.

IV. TROUBLESHOOTING

The primary reasons for inaccuracy or malfunction

are low batteries, incorrect calibration, overload or

operating on an unstable surface. Please keep this in

mind and maintain and operate your scale properly.

This scale is a precise instrument and must be

handled with the utmost care and caution.

[Display]

Elimination of errors

Nothing, Battery-Symbol, [lo] or [88888]

Change the batteries.

[OUE2]

Recalibrate the scale as shown above.

[EEEEE]

You are overloading the scale. Remove the

excessive load immediately!

[LLLLL]

The delicate weighing load cells have

been damaged by misusing the scale

(i.e. it was shocked, dropped or

overloaded). You can try recalibrating the

scale. If the load cell has not been

damaged too much it will work

again after recalibration.

[UNST]

Use the scale in a more stable position

Model

AMW-150

AMW-250

AMW-500

AMW-50

Capacity

150g

5.3oz

4.8ozt

96.5dwt

250g

8.82oz

8.54ozt

160.8dwt

500g

17.64oz

16.08 ozt

321.5dwt

50g

1.764oz

250ct

771.5gn

Resolution

0.1g / 0.005oz / 0.005ozt / 0.1dwt

0.01g

0.001oz

0.05ct

0.2gn

Backlight

• • • •

Calibration Weight

(not Included)

100g

200g

500g

50g

Platform Dimensions

(inches)

2.5 x 3 (

Stainless Steel on AMW500 ONLY

)

Stainless Steel on AMW500 ONLY)Stainless Steel on AMW500 ONLY

Scale Dimensions

(inches)

5 x 3 x 0.75

Power

2 x AAA Batteries (included)

Gross Weight

0.36 lb

0.43 lb

0.36 lb

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