Calibration instructions for the Avery Weigh-Tronix 640 Series Indicator

Avery Weigh-Tronix 640 Indicator Calibration

Trade up to a POINT and get $500 value for your old indicator!


Click here now for more information

Qualification:

  1. Any scale brand and scale model qualifies. 
  2. Any condition qualifies.  (Yes even broken scale indicators)
  3. Any age of scale indicator qualifies (Yes even 40 year old scale indicators)

Watch this video to calibrate your indicator.




  1. Press and hold the "Hold/Menu" button for three beeps then release.
  2. Enter "640".  Use "RM" to increase the displayed value and "M+" to decrease it.  Press the "Hold/Menu" button to move one digit to the left.
  3. Press "Print/Select" to accept and "640" will be shown again.
  4. Press "Print/Select" and "CONFIG" will be displayed.
  5. Press "Print/Select" once more and the config number will be displayed.
  6. Enter a new config number using "RM" to increase each digit and "HOLD/MENU" to move one digit to the right.  98300 is a custom config number that should work for most applications.
  7. Press "PRINT/SELECT" to enter the number and return to "CONFIG".
  8. Press "HOLD/MENU" and "CUSTOM" will be displayed.
  9. Enter a new CUSTOM number using "RM" to increase each digit and "HOLD/MENU" to move one digit to the right.  This number is equivalent to a digistar calibration number and is unique to the specific application.
  10. Press "PRINT/SELECT" to enter the number and return to "CUSTOM".
  11. Press "NET/GROSS" repeatedly to return to the gross weight screen.




    • Related Articles

    • Avery Weigh-Tronix Load Cell Calibration Numbers

      The reading @ 0.4mV/V can be used as the Calibration number for a Digi-star indicator, or the Custom number on a Weigh-tronix indicator.
    • Avery Weigh-Tronix 1040 Indicator calibration

      Push and hold the MENU key until it says “SETPAS”. (*Note: If the indicator just sits there and beeps after 3-4 seconds, let go of the MENU key, at that point “SETPAS” should appear)  Type 1040  Once “1040” is on the screen press SELECT. (*At this ...
    • GT400 and UNVERFERTH 410 Calibration

      Trade up to a POINT and get $500 value for your old indicator! Click here now for more information Qualification: Any scale brand and scale model qualifies. Any condition qualifies. (Yes even broken scale indicators) Any age of scale indicator ...
    • Changing Setup and Calibration Numbers in a Digi-Star Indicator

      Trade up to a POINT and get $500 value for your old indicator! Click here now for more information Qualification: Any scale brand and scale model qualifies. Any condition qualifies. (Yes even broken scale indicators) Any age of scale indicator ...
    • Calibration Number Equation

      Here is the equation to figure out what the calibration number would be. .4 mv/v    X    Capacity    X    # of Bars    /    mv/v Output of the weigh bar  =    good starting Calibration # Example: We will be using a 141907 weigh bar in this example.  ...