Fukuda VaSera VS-2000 Series, Operation Manual

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12-4
Chapter 12 Maintenance and Inspection
●
Performance
Inspect the PCG function using the Manufacturer maintenance - [A/D Waveform] display.
Item Inspection Item Procedure Criteria
Four-Limb
Blood
Pressure Zero point Read the pressure value at the atmospheric
pressure when no connection is made to the
air connectors. Should be within 0±1mmHg.
Pressure accuracy Perform this inspection in Maintenance -
"Test Mode" (see the VS-2000 Service
Manual). Should be within ±3 mmHg.
Maximum pressure Perform this inspection in Maintenance -
"Pressure Test" (see the VS-2000 Service
Manual). Should be 320±10mmHg.
Inflation time Should be 20 sec. or less.
Air leakage Should be 4mmHg/min or less.
Quick exhaust Should be 10 sec. or less.
100% open Should be within 100 to 250mmHg/sec
75% open Should be within 20 to 190mmHg/sec
Time Limit Should be 130±10 sec.
Should be 8±1 sec. at high speed.
PCG PCG filter
characteristics (PWV) Input sine-wave signals to the PCG connector
to measure the amplitude at 165 Hz and 280
Hz when the amplitude at 200 Hz is 100%. Should be 70% or above.
PCG filter
characteristics (L) Input sine-wave signals to the PCG connector
to measure the amplitude at 30Hz, 50Hz and
80Hz when the amplitude at 100Hz is 100%. 50% or above at 30Hz
70% or above at 50 Hz
90% or above at 80 Hz