Health O Meter 3423 Manual page 215

CALIBRATION
This scale has been factory calibrated, and does not require calibration prior to use.
There are no requirements for calibration in the field; users should adhere to their institution's
calibration policies. If required, the scale can be calibrated. Calibration of your scale is
performed using 80 kilograms (KG) or 200 pounds (LB), according to the units of measure used
upon entering into the calibration path. THE 500KG CAN ONLY BE CALIBRATED IN
KILOGRAMS.
®
If Everlock is engaged the scale can only be calibrated in the locked unit of measure.
Note: Only weights certified and traceable to national standards should be used for
calibration procedures.
1. Press and hold the UNIT and ZERO/TARE buttons at the same time, and press and
release the button to turn on the scale. Remain pressing the UNIT and ZERO/TARE
buttons until "CAL" appears on the display. Release all buttons. Note: The display will
show "CAL" until the button combination is released.
2. Once the buttons are released the following message will scroll horizontally across the
screen : "– 2Ero SCALE – ". With no weight on the platform, press the ZERO/TARE
button.
3. The scale will zero and the following message will scroll horizontally across the screen:
"- PLACE 200 ON SCALE PrESS EnTEr–" (if in pounds) or "– PLACE 80 ON SCALE
PrESS EnTEr– " (if in KG). You may toggle between pounds and kilograms using the
UNIT button. If Everlock
weight measurement unit.
4. Once the proper weight is placed on the platform, press the ENTER button. The
message "– CAL –" will flash on the screen while the scale is calibrating.
A. If the weight is within calibration range, a four digit number will display on the screen.
Remove the weight from the scale and the scale will restart. Note: the 4 digit
calibration count will stay until the weight is removed.
B. If the weight placed on the scale does not match the correct calibration standard
(200 lb or 80 kg), the following message will be displayed:
"–Out OF RANGE–". Calibration is not performed. Press CLEAR/REWEIGH button
to exit the calibration mode. The scale will restart and go through the power up
sequence to show 0.0. Power off the scale and begin the calibration process again.
P/N UM500KL 500KG Rev 20191120
®
is engaged you will only be able to calibrate in the locked
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