Check the manufacturer’s calibration instructions for the specific model
Inspect the cuff, tubing, connectors, and display for damage or wear
Replace batteries or connect a stable power source before calibration
Compare the device against a certified reference blood pressure monitor
Use a calibrated simulator or pressure gauge if recommended by the manufacturer
Ensure the cuff size is correct and properly attached
Zero the device before testing if the model requires it
Run the built-in calibration mode or service menu if available
Test the machine at multiple pressure points across the measurement range
Record the readings from the machine and the reference device
Adjust the device only if the manufacturer allows user calibration
Repeat the comparison until readings are within acceptable tolerance
Verify systolic, diastolic, and pulse readings if applicable
Seal or document the calibration status after completion
Schedule regular recalibration according to the manufacturer’s interval
Send the device to an authorized service center if it cannot be calibrated properly