User Manual
Contents
1. American Weigh Scales PS 25 User Manual PS 25 551b x 0 011b Copyright 2010 American Weigh Scales Inc X All rights reserved Rev 2 0 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 flat 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 batte2. art below adjustment is required Model Acceptable Calibration Recommended Accuracy Class PS 25 4g 10kg OIML M2 IX Adjustment 1 Press and hold the MODE key until the display shows CAL 2 Press the MODE key again The display will flash 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 mode Calibration is complete X Troubleshooting e Problem Scale will not turn on e Solution Check the batteries or AC adapter e Problem Displayed weight fluctuates randomly e Solution Make sure your workspace is stable and free of any air currents vibration or magnetic fields e Problem Displayed weight is inaccurate e 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 0 LD Maximum capacity exceeded Remove the extra weight to avoid damaging the load cell 3 L Batteries are low Replace the batteries Max Capacity 25kg 55lb 551b 0 00z Readability 2g 0 01lb 0 10z Min Capacity 6g 0 20z 2 x AA Batteries or AC Adapter Platform Dimensions 8 0 x 8 0 x 2 8 in Warranty 10 Year Limited Warranty
3. ries first 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 ll Key Description L AWS 25kg x 2g AWS POSTAA TARE MODE ON OFF HOLD Key Key Key Key lll Battery Installation 1 Before using the scale for the first 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 Place the scale on a flat 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 first 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 indica
4. tor will turn off VI Changing the Unit of Measure 1 Press the MODE key to change the scales displayed unit of measure 2 f the scale is turned off then back on it will default to the last unit used e PS 25 Units lb pound kg kilogram kg g kilogram gram Ib 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 fill 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 Calibration and adjustment are performed at the factory However the weighing range can shift slightly during 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 f the displayed value is not within acceptable tolerance see ch
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