Chapter 2
2 - 30
Checking the patient leakage current I
Measurement wiring diagram
MD
Power outlet
Leakage current
measuring device
Power supply cord
Measurement point A
Measurement
point B
RA
LF
FX7302
LA
Short all electrodes.
Conversion plug
This terminal is open.
Used for single fault condition
Patient leakage current I measurement points
Measurement point A
Shorted patient cable terminal
Measurement point B
Earth terminal of power outlet
Patient leakage current I measurement conditions
It is necessary to measure the patient leakage current under two conditions:
normal condition and single fault condition.
How to reproduce a single fault condition
You can reproduce a single fault condition by connecting the conversion
plug to the power outlet with the earth wire not connected.
Acceptance standards
Normal condition
0.01 mA or less
Single fault condition
0.05 mA or less
Содержание FX-7302
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Страница 87: ...4 19 MAIN BOARD circuit diagram PCB 6956B Power connection table No 1 ...
Страница 111: ...4 43 MARK SENSOR BOARD PCB 6942 MARK SENSOR block Recoding paper 1 2 3 J1 DF4 3P 2C 5 3 4 2 1 PH1 ON2253R ...
Страница 112: ...4 44 MAGAZINE UP SENSOR BOARD PCB 6943A MAGAZINE UP SENSOR BOARD block 1 2 J1 DF4 2P 2C 1 2 3 S1 JPS1220 0401 ...
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Страница 131: ...6 1 MAIN BOARD PCB 6956B component side ...
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Страница 133: ...6 3 OPERATION BOARD PCB 6957B component side ...
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Страница 135: ...6 5 ECG AMP BOARD PCB 6731D component side ...
Страница 136: ...6 6 ECG AMP BOARD PCB 6731D soldering side ...
Страница 137: ...6 7 MARK SENSER BOARD PCB 6942 component side ...
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