Fukuda Denshi HS-8000 Series, Service Manual

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No Check Item
Check Procedure Criteria
12 Pulse Sound
*NOTE
Using the comprehensive tester, input
ECG and check the Heartbeat rhythm
sound. Correct heartbeat rhythm
sound can be confirmed.
13 Alarm Function
*NOTE
Set the upper alarm setting to 120
Beats/Min and change base-line heart
rate signal from 80 Beats/Min to 160
Beats/Min. Set the lower alarm setting
to 60 Beats/Min and change base-line
heart rate signal from 80 Beats/Min to
30 Beats/Min. Measure the time form
the changed moment till when the
alarm is set off.
。
The time to set off the alarm
should be 12 seconds or less.
*NOTE
: Since functional performance depends on design or software, these items are not required items
in Maintenance Check.
Test if necessary.
No Check Item Check Procedure Criteria
5. Respiration
01 Respiration display
sensitivity
Input 0.5Hz sinusoidal wave whose base
resistance changes 1.5k
Ω /1 Ω using the
comprehensive tester or reference
respiration signal generator and check the
displayed amplitude.
Check with I Lead and II Lead.
Displayed amplitude
should be within
10mm±2mm.
02 Respiration Rate
display accuracy
Input the reference respiration signal to the
comprehensive tester or respiration
simulator and check the respiration rate
display.
Test at respiration reference load signal in
60 or 120 per minute.
*NOTE
Check with I
Lead and II Lead.
Measurement error
should be within ±5bpm
or less.
03 Frequency
Characteristic
*1
Input 0.5Hz, 1.5Hz, or 2.5Hz from the
comprehensive tester or reference
respiration signal generator and measure
frequency characteristic. Check with I Lead
and II Lead.
To the crest value when
0.5Hz is inputted, the
crest value should be
70% or more when the
frequencies are as
follows.
Adult mode: 1.5Hz
Neonate mode:
2.5Hz
*NOTE
: Since functional performance depends on design or software, these items are not required items
in Maintenance Check.
Test if necessary.
No Check Item Check Procedure Criteria
6. Temperature
01 Temperature
display error
Input temperature 20, 30, or 40
°
C to the
comprehensive tester and calculate the error
to displayed value.
Should be within ±0.2
°
C
between 25
°
C or more to
45
°
C or less.
Should be within ±0.4
°
C
between 0
°
C or more
and less than 25
°
C.
02 Temperature
Probe off detection
Check the display by connecting and
disconnecting the probe. Displayed numeric
should disappear.
10 － 8