Health o Meter 500KL Digital Physician Scale

500KL FAQs

How do you activate the Auto Off feature on the 500KL?

To activate the Auto Off feature on scales with Date Code with the last two digits of 19 or lower:

1. While the scale is turned off, press and hold the HOLD/RELEASE button.
2. While holding the HOLD/RELEASE button, press the ON/OFF button to turn the scale on.
3. “START” will briefly appear on the display followed by “AOF=1”.
4. Auto-off is now enabled.

To activate the Auto Off on scales with Date Code with the last two digits of 20 or higher:

Enable / Disable Auto Off

1. While the scale is turned off, press and hold the ENTER button then press and release the POWER button.
   Hold the ENTER button until “AOF=d” or “AOF=E” appears on the display, then release.
   Press the ENTER button again to change the setting.
   AOF=d Disables the Auto Off function
   AOF=E Enables the Auto Off function
2. Press CLEAR/REWEIGH to save your selection and exit the Options mode.
3. The scale will restart. The display will show “UEr”, followed by a version number, and then dashes.
   When the display shows “0.0” the scale is ready to use.
   Note: When powering the scale via batteries, the Auto Off function is automatically enabled.

How do you lock the weight measuring unit on the 500KL or toggle between LB and KG?

To toggle between pounds and kilograms press the LB/KG button or the UNIT button. The weight measuring unit can be locked to display weight only in the selected unit of measure.

To lock the weight measuring unit on scales with Date Code with the last two digits of 19 or lower:

KG Lock Instructions

1. Press the ON/OFF button to turn the scale on. Wait for “0.0” to appear on the display.
2. Press and hold the LB/KG button so the KG icon is displayed and continue holding the LB/KG button for approximately 10 seconds.
3. When the KG icon flashes, release the LB/KG button. The KG weight measuring unit is now locked and will remain locked even if the scale is turned off

LB Lock Instructions

Note: To lock in LB weight mode, you must follow the instructions above to lock in KG weight mode first.

1. Once the scale is locked in KG mode, press and hold the LB/KG button for approximately 10 seconds until the LB icon flashes.
2. When the LB icon flashes, release the LB/KG button. The LB weight measuring unit is now locked and will remain locked even if the scale is turned off.

Disabling LB/KG Lock Out

Note: If your scale is locked in KG mode, you must first follow the instructions above to lock into LB mode, and then begin the disabling instructions below.

1. Press the ON/OFF button to turn the scale on. Wait for “0.0” to appear on the display.
2. Press and hold the LB/KG button until LB and KG icons both flash. When LB and KG are flashing, release the LB/KG button.
   The weight measuring unit is now unlocked; pressing the LB/KG button will allow user to toggle between LB and KG.

To lock the weight measuring unit on scales with Date Code with the last two digits of 20 or higher:

1. While the scale is turned off, press and hold the ENTER button then press and release the POWER button.
   Hold the ENTER button until “AOF=d” or “AOF=E” appears on the display, then release.
   Use the ▲ or ▼ buttons to advance the display screen until “Unt” appears. Press the ENTER button to change the setting.
   Unt = U Allows the user to toggle weight measurement between LB and KG.
   Unt = L Locks the unit button so weight is only displayed in pounds (LB)
   Unt = G Locks the unit button so weight is only displayed in kilograms (KG)
2. Choose the setting you prefer and press CLEAR/REWEIGH to save your selection and exit the options mode.
3. The scale will restart. The display will show “UEr”, followed by a version number, and then dashes. When the display shows “0.0” the scale is ready to use.

Does the 500KL operate on batteries or come with a power adapter?

The 500KL uses 6 AA regular alkaline batteries.
The scale can also operate on a power adapter but is not included with the scale unless it was ordered as model 500KLAD.
To purchase a replacement power adapter, contact your medical supply distributor and order item #ADPT31.

Can the 500KL be calibrated?

The Health o Meter 500KL can be calibrated. The process to calibrate the 500KL scale is found here.
Health o Meter 500KL Calibration Instructions

Health o Meter 500KL Error Messages

Sympton	Possible Cause	Corrective Action
The display shows “UNDeR”	A negative weight is present	Press the ZERO/TARE button to zero the scale.
The display shows “OVER” or dashes and the “OVERLOAD” icon is displayed	The weight on the scale exceeds the capacity	Remove the excess weight and use the scale according to its limits
The display shows “LoBat” or “Lo” and scale powers off	The batteries are depleted	Replace batteries according to instructions
The display continually shows dashes and will not settle on “0.0”	Load cell connector cable is not plugged in or load cell is damaged	Refer to the instructions below to inspect the load cell cable.

Inspecting the Load Cell Cable

Note: The load cell cable door is only available on scales with a date code with the last two digits of 18 or higher. To check the load cell cable connection on scales without a load cell cable door, disassemble the scale.

Where is the USB port located/what connectivity options are available?

The USB port is located on the back of the display head. For reliable transmission of weight data, this scale is designed to connect to a computer, monitor, or other electronic data device via Health o meter® Professional Connectivity Solutions. For further information regarding how to connect this scale to other electronic devices, please contact Health o meter® Professional Scales Technical Support at 800-638-3722 or visit www.homscales.com/innovations/connectivity-solutions.

What is the estimated battery life of the scale?

The estimated battery life is 7,000 readings with the auto off activated.

What is the capacity on the 500KL?

The capacity on scales with a Date Code with the last two digits of 19 or lower is 500 lb / 220 kg.
The capacity on scales with Date Code with the last two digits of 20 or higher is 550 lb / 250 kg.

How do you obtain a patient’s BMI on the 500KL?

To obtain BMI on scales with Date Code with the last two digits of 19 or lower:

Note: The scale will not calculate BMI for a patient that is 24 pounds (12 kg) or less.
Note: If a height is not entered for the patient within 30 seconds of pressing the BMI button and no weight is on the platform, the scale will return to the normal weighing mode.

1. With all weight off the scale, press the ON/OFF button to turn on the scale.
2. “StArt” will briefly appear on the display, followed by “0.0” LB or “0.0” KG.
3. Assist the patient onto the scale. The scale will begin to display weight information. When a stable weight is determined, “LOCK” will appear along with the patient’s weight. Depending on the movement of the patient on the scale, it may take several seconds for the scale to lock onto the weight.
4. After obtaining the patient’s weight and with the patient remaining on the scale, press the BMI button.
5. The display will show 65.0” (in LB mode) or 150.0 cm (in KG mode). Use the keypad ▲ and ▼ buttons to enter the patient’s height in inches if weighing in LB or centimeters if weighing in KG.
6. Once height is keyed in, press the ENTER button.
7. The display will show the patient’s BMI.
8. Press the CLEAR button to return to the weighing mode.

To obtain BMI on scales with Date Code with the last two digits of 20 or higher:

Note: The scale will not calculate BMI for a patient that is 24 pounds (12 kg) or less.
Note: If a height is not entered for the patient within 30 seconds of pressing the BMI button and no weight is on the platform, the scale will return to the normal weighing mode.

1. With all weight off the scale, press the POWER button to turn on the scale.
2. Wait until “0.0” LB or “0.0” KG appears on the display then assist the patient onto the scale. “LOCK” will appear and when a stable weight is determined, the patient’s weight will also be displayed. Depending on the movement of the patient on the scale, it may take several seconds for the scale to lock onto the weight.
   Caution: To prevent patient injury, the patient must be attended throughout the entire weighing event.
3. After obtaining the patient’s weight, press the BMI button.
4. The display will show “65.0” (in LB mode) or “150.0” (in KG mode). Use the keypad ▲ and ▼ buttons to enter the patient’s height in inches if weighing in lb or centimeters if weighing in kg. Holding down the arrow keys will cause the rate of change to progress faster.
5. Once height is keyed in, press the ENTER button.
6. The display will show the patient’s BMI.
7. Press the CLEAR/REWEIGH button to return to the normal weighing mode of the scale.

Why am I getting a low battery error when the battery on the display shows full?

On scales with Date Code with the last two digits of 19 or lower, the battery icon does not indicate the remaining life of the batteries, it indicates that batteries are in use

Can I send my scale back to be calibrated? Can I use fitness weights to calibrate?

Health o meter Professional does not offer calibration services. You can find a calibration service near you or contact our customer service at 800-815-6615 and we would be happy to find one for you! All scales must be calibrated using certified weights; fitness weights are not recommended.

How do you perform the Tare function on the 500KL?

To use the Tare function on scales with Date Code with the last two digits of 19 or lower:

1. With all weight off the scale, press the ON/OFF button to turn on the scale.
2. “StArt” will briefly appear on the display, followed by “0.0” LB or “0.0” KG.
3. Place the object on the scale. The display will show a value for the object’s weight. The minimum weight that can be tared is 5 lb / 2.27 kg. Note: The scale must lock onto a weight before it can be tared.
4. Press the ZERO button. The word “TARE” will appear on the display, followed by “0.0” LB or “0.0” KG.
5. Keep the object on the platform, and have the patient to step onto the scale. The scale will automatically deduct the weight of the object and only display the patient’s weight.
6. When you remove the item from the platform, “under” will be temporarily displayed and then the display will return to “0.0” LB or KG.

To use the Tare function on scales with Date Code with the last two digits of 20 or higher:

The minimum weight that can be tared is 5 lb / 2.27 kg. Note: The scale must lock onto a weight before it can be tared.

1. With all weight off the scale, press the POWER button to turn on the scale.
2. Wait until the “0.0” LB or “0.0” KG appears on the display then place the object on the scale. The display will show a value for the object’s weight.
3. Press the ZERO/TARE button. The word “TARE” will appear on the display, followed by “0.0” LB or “0.0” KG.
4. Keep the object on the platform, and then ask the patient to step onto the scale as well. The scale will automatically deduct the weight of the object and only display the patient’s weight.
5. When you remove the patient and the item from the platform, a negative value will show on the display. Press the ZERO/TARE button to clear the tared value.

How to Read Height Measurements on the 500KL Height Rod