How to Change a Mettler Toledo PS60 Scale from Pounds Only to Pounds and Ounces

Updated at: 12/05/2025

The Mettler Toledo PS60 scale is a popular choice for its accuracy and reliability, but its default setting often displays weight in pounds only. This can be inconvenient for users accustomed to the pounds and ounces system, particularly in applications requiring more granular measurements. Many find the process of changing the unit of measurement to be confusing, leading to frustration and potentially inaccurate readings. This limitation, however, is easily overcome with a few simple steps.

This article provides a clear and concise guide on how to successfully switch your Mettler Toledo PS60 scale from displaying weight solely in pounds to a combined pounds and ounces display. Follow the step-by-step instructions below to effortlessly adjust your scale's settings and access the more detailed weight measurements you require.

Preparation and Safety Guidelines

Tools Needed
  • Mettler Toledo PS60 Scale
  • 9/32 or 7mm socket
  • Phillips head screwdriver
Safety Guidelines
  • Always ensure the scale is powered OFF and unplugged before attempting any adjustments or cleaning. This prevents accidental damage and ensures your safety.
  • Refer to your Mettler Toledo PS60 scale's instruction manual for specific guidance. The steps may vary slightly depending on the model and software version.
  • If you are unsure about any step, consult a qualified technician. Incorrect settings could affect the accuracy of your weight measurements.

Step-by-Step Instructions

  1. Disassemble the Scale

    • Unplug the scale and remove the top cover using a screwdriver.
    • Remove the screw securing the main board cover plate using a 9/32 or 7mm socket.
    • Locate the blue jumper (programming jumper) on the main board.
    • Remove the blue jumper.
    Remove the blue jumper.Remove the blue jumper.Remove the blue jumper.Remove the blue jumper.
    Disassemble the Scale

  2. Access Setup Menu

    • Press and hold the button with the two arrows (Metler button) for 8 seconds to enter setup mode.
    Press and hold the button with the two arrows (Metler button) for 8 seconds to enter setup mode.
    Access Setup Menu

  3. Change Weight Units

    • Navigate to the "Build" menu.
    • Select "149ni" from the build options. This setting represents pounds and ounces.
    • Use the scroll buttons to select 149ni. Then, navigate to the "End" option using the scroll button and select "Save" by pressing the zero button twice.
    Use the scroll buttons to select 149ni. Then, navigate to the "End" option using the scroll button and select "Save" by pressing the zero button twice.Use the scroll buttons to select 149ni. Then, navigate to the "End" option using the scroll button and select "Save" by pressing the zero button twice.Use the scroll buttons to select 149ni. Then, navigate to the "End" option using the scroll button and select "Save" by pressing the zero button twice.Use the scroll buttons to select 149ni. Then, navigate to the "End" option using the scroll button and select "Save" by pressing the zero button twice.
    Change Weight Units

  4. Reassemble the Scale

    • Replace the cover plate and plug the scale back in.
    • Reassemble the scale by reversing the steps taken to disassemble it.
    • Replace the jumper to restore calibration.
    Replace the jumper to restore calibration.Replace the jumper to restore calibration.Replace the jumper to restore calibration.Replace the jumper to restore calibration.Replace the jumper to restore calibration.
    Reassemble the Scale

Read more: Effortlessly Integrate Your Dymo Postal Scale with Windows Apps Using PVCOM

Tips

  • Back up your firmware before making any changes.
  • Recalibration may be needed after changing the unit setting.
  • For precise measurements in food or other critical applications, professional calibration is recommended.

Common Mistakes to Avoid

1. Incorrect Menu Navigation

Reason: Users may accidentally navigate to the wrong settings menu or skip crucial steps in the unit configuration process, resulting in the scale remaining in pounds-only mode.
Solution: Carefully follow the instructions in the Mettler Toledo PS60 scale's user manual, paying close attention to each step and confirming each selection before proceeding.

2. Ignoring Unit Selection Options

Reason: The menu might present multiple unit options, such as kilograms or grams, leading users to overlook the pounds and ounces selection.
Solution: Thoroughly review all available unit options within the scale's settings to ensure the 'lbs:oz' or equivalent option is selected.

FAQs

My Mettler Toledo PS60 scale shows 'Err' after I try to change the units. What's wrong?
An 'Err' message usually indicates a problem with the scale's internal settings or a malfunction. Try powering the scale off completely and then back on again. If the error persists, ensure the scale is properly calibrated and that there are no obstructions interfering with its operation. If the problem continues, contact Mettler Toledo customer support or a qualified service technician for assistance.
Accurately weighing packages is crucial, whether you're shipping items or conducting precise measurements in a commercial setting. If you're using a Mettler Toledo PS60 scale, understanding its settings is key to achieving accurate readings. This guide will show you how to switch the display from pounds only to pounds and ounces. For those seeking a high-quality scale for weighing packages, you might find our previous guide on top-rated stainless steel postal scales for precise weighing helpful in choosing the right tool for your needs.