GE Responder 1000, Инструкции по обслуживанию

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Service Instruction
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227 487 20 Rev G
Discharge circuit
•
serial oscillating circuit with external resistance (patient)
•
capacitance 35 µF
•
inductance 45 mH
•
equivalent resistance 10.7 ohms, in series with external resistance (patient)
Pulse output
isolated , no conductive connection to other parts of the circuit or the enclosure, test voltage
9 kV DC, open-circuit and short-circuit-proof, type CF according to IEC requirements
Safety discharge
Capacitor discharge via internal load resistance:
•
when the defibrillation shock is not triggered within 60 s after charging
•
when the defibrillation shock is triggered, but the discharge circuit is interrupted, after
approx. 0.2 s
•
immediately when reducing or increasing the selected energy during or after charging
•
when the selected energy is not reached, after 30 s
•
in the event of technical malfunctions
Test features
•
LED’s for unit status: line connected, power on and battery charging
•
Automatic defibrillator test on power up with LED for error indication
Synchronization (Responder 1100)
In the SYNC mode and in conjunction with a monitor, the unit can be used for synchronized
defibrillation
Synchronization via the SYNC interface can be achieved in two ways:
•
by SYNC signal from the monitor (SYNC-pulses) or
•
by SYNC signal (analog 1-Volt ECG) derived from the 1V-ECG via QRS-Trigger
With digital SYNC pulses
•
Shock release: rising edge
•
Input trigger threshold: VIH = +2.2 V (min.)
VIL = +1.8 V (max.)
•
Input voltage range (typ.): 0 to +5 V
•
Input voltage (max.): +15 V
•
Input impedance: 10 K
Ω
(min)
•
Pulse width (min.): >1 ms
With analog "1-Volt ECG"
•
Input amplitude (typ.): 1 V (1 V/mV)
•
Input voltage range: +/- 4 V
•
Input voltage (max.):
±
15 V
•
Input impedance (min.): 10 K
Ω