American Weigh Scales SR-Series User Manual SR-1KG (1kg x 0.001g) SR-5 (5kg x 0.005g) SR-20 (20kg x 0.01kg) Copyright © 2010 American Weigh Scales, Inc. All rights reserved. Rev. 2.
SR-Series Manual Thank you for purchasing the American Weigh SR-Series digital hanging 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. Scale 2. Weighing Tray 3. AAA Batteries (x2) II. Key Description Auto-Off Select lb 4 HOLD 4 B ON/OFF TARE Key LB 2 x 0.0 L 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. If you are replacing the batteries, make sure the positive and negative contacts are properly aligned.
SR-Series Manual IV. Operation 1. Press the key. 2. Wait for the scale to stabilize ( will be displayed in the bottom left corner of the LCD). Place the item to be weighed on the weighing hook. 3. When the weight is stable, the red light will turn on, and HOLD will be displayed below the weight. 4. Remove the object(s) from the hook and tap the key to re-zero the scale. 5. To turn the scale off, press and hold the key. V.
2. After a couple of seconds of no activity the scale will enter normal weighing mode. VII. • SR-1KG Units: g (gram) • SR-5, SR-20 Units: kg (kilogram) oz (ounce) lb (pound) 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. Turn on the scale as described in Section IV. 2.
SR-Series Manual Model SR-1KG Acceptable Tolerance (±) 2g Calibration Weight 1000g Recommended Accuracy Class OIML M1 SR-5 0.015kg 1000g OIML M1 SR-20 0.03kg 5000g OIML M1 IX. Adjustment 1. Press the key to turn the scale on. 2. Once the LCD shows “8888” press the eral times until the inner code displays. key sev- 3. Press again. The display will flash “CAL” followed by the required calibration weight (see chart). 4. Add the required weight.
• Problem: Displayed weight is inaccurate • Solution: Perform a calibration adjustment XI. Error Codes 1. OUTZ - Zero setting has shifted. Perform calibration adjustment. If the problem persists, the load cell may be permanently damaged due to overloading. 2. EEEEE - Maximum capacity exceeded. Remove the extra weight to avoid damaging the load cell. 3. LLLLL - Load cell has been overloaded. 4. UNST - The scale is unstable. Use the scale in a more stable position XII. Specifications SR-1KG Max.