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Maintenance
Checking Accuracy
Required equipment
Accurate office mercury sphygmomanometer or aneroid gauge with inflation system.
TM-2430 Accuracy Diagnostic Kit (TM2430-90).
A rigid cylinder sized to fit the cuff pressured.
Steps for checking accuracy
Step 1 Turn off the TM-2430 and remove the air hose from the unit.
Step 2 Construct the check system as this drawing
Step 3 Keep the pressure at the air socket to atmospheric pressure.
Step 4 Turn on the power switch, when you press and hold the START STOP key.
The TM-2430 blinks the "0" of measurement value.
Step 5 Squeeze the inflator bulb until cuff pressure reaches to 50 mmHg.
Check the difference between the blinking display of TM-2430 and mercury
sphygmomanometer that is within
+
3 mmHg.
Step 6 Squeeze the inflator bulb until cuff pressure reaches to 150 mmHg.
Check this difference that is within
+
3 mmHg.
Step 7 Squeeze the inflator bulb until cuff pressure reaches to 250 mmHg.
Check this difference that is within
+
3 mmHg.
Step 8 Release the cuff air, turn off the TM-2430 and remove them.
This blood pressure recorder is a precision instrument. Contact your nearest
A&D office for this inspection, if you need repair.
START STOP switch
Recorder
Power switch
TM-2430 Accu
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