American Weigh Scales LB-Series User Manual LB-1000 (1000g x 0.1g) LB-3000 (3000g x 0.1g) Copyright © 2010 American Weigh Scales, Inc. All rights reserved. Rev. 2.
LB-Series Manual Thank you for purchasing the American Weigh LB-Series compact bench 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.
I. Part List 1. 2. 3. 4. 5. Scale Expansion Bowl 200g Calibration Weight (x2) *LB-1000 ONLY* AA Batteries (x4) AC Adapter II. Key Description Backlight ON/OFF ON/MEM Key ON MEM CAL MODE OFF TARE PRINT OFF Key CAL / MODE Key TARE / PRINT Key III. 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.
LB-Series Manual IV. Operation 1. Place the scale on a flat, level surface and press the ON/MEM 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. Changing the Unit of Measure 1. Press the MODE/CAL key to change the scales displayed unit of measure. 2.
remove any items from the weighing platform and press the TARE/PRINT key again to re-zero the scale. VII. Counting Feature 1. To enter parts counting mode, press CAL/MODE to scroll through the weighing modes until “C” appears on the bottom left of the display. The minimum sample quantity is 5 and will be displayed as “S=5” 2. Continue to press the CAL/MODE key to select the desired parts sample quantity: 5, 10, 20, 50 pieces. After “50” is displayed the scale will cycle back to g (grams). 3.
LB-Series Manual 5. Press TARE/PRINT again to zero out the balance and the scale is ready for normal weighing again. IX. 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.
XI. Troubleshooting • Problem: Scale will not turn on • Solution: Check the batteries • Problem: Displayed weight fluctuates randomly • Solution: Make sure your workspace is stable and free of any air currents or vibration • Problem: Displayed weight is inaccurate Solution: Perform a calibration adjustment • XII. Error Codes 1. E - Calibration error. Repeat calibration. 2. O-Ld - Maximum capacity exceeded. Remove the extra weight to avoid damaging the load cell. 3. - Batteries are low.
