China World Technology Medical Equipment Service Group
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► Brief Introduction
The Nihon Kohden Cardiolife TEC-7621C Defibrillator Capacitance HV Capacitor NKC-4840SA 4.8KV 40μF is a component used in defibrillators manufactured by Nihon Kohden, a company that specializes in medical equipment. Specifically, this component is a high-voltage capacitor with a capacitance of 40 microfarads (40μF) and a voltage rating of 4.8 kilovolts (4.8KV).
In a defibrillator, capacitors like the NKC-4840SA store electrical energy, which is then discharged in a controlled manner to deliver a therapeutic shock to a patient's heart in cases of cardiac arrest or certain heart rhythm abnormalities. The high voltage allows for the rapid delivery of a large amount of energy when needed.
The HV capacitor can store lethal amounts of energy. Be sure to discharge this capacitor before touching any high voltage component (HV capacitor, HV inductor, relay unit, paddle socket or paddles) of the instrument.V
► Specification
| With fully charged new battery at 20°C ambient temperature | - Minimum 70 discharges at 360 J |
| - Minimum 150 minutes continuous monitoring | |
| - Minimum 90 minutes fixed mode pacing (180 pulse/min, 200 mA) | |
| With the fully charged new battery at 0°C, the defibrillator can perform: | - Minimum 50 discharges at 360 J |
► Removing the HV Capacitor and Relay Unit
1. Remove the battery pack, memory card and lower casing.
2 Remove the AC/DC unit. Refer to “Removing the AC/DC Unit”.
3. Remove the main chassis and main board. Refer to“Removing the Main Board”.
4. Make short-circuit the two HV capacitor terminals with the short bar which is connected to the ground terminal on the wall with the ground lead.
5. Remove the four M3 pan screws with spring washers which secure the HV capacitor to the lower casing and remove the two HV capacitor fixing brackets.
6. Remove the cap of the CNP552 and CNP553 wires from the HV capacitor.
7. Remove the HV capacitor.
8. Remove the three wires (CNP555, CNP554 and CNP556 wire) which connect the HV inductor and relay unit from the HV inductor.
9. Pull out the relay unit.
After replacing the HV capacitor or relay unit, always check the following:
• TTR value
• Delivered energy
• Charge time
► About Company
CWT Technology HK Limited, we are quiet proficient in medical machines technology.
All medical equipment, new and used, is thoroughly inspected by our engineers to ensure complete functionality.
We provide first-class after-sales service. If you find any problems with our products or services, please let us know and we will help you solve them one by one.
I have supply the Parts, Accessories and medical equipment of Patient Monitor, Defibrillator Machine, ECG Machine, Ventilator, Anesthesia Machine, Ultrasound probe such as
GE,
PHiliphh,
Mindray,
Goldway,
Nihon Kohden,
Med-tronic,
Masima,
Drager,
Edan,
Zoll,
etc.
► Shipment Arrangements
As for delivery time, we will try our best to process the orders and ship them out as soon as possible. Please be patient and keep contact with us. Generally speaking, most orders will be shipped in 3 to 5 working days and can arrive on time. However, during the busy days the shipment may be delayed over 5 working days. If you are in urgent need of your item, please be sure to confirm with us before placing your orders.
To make sure the business goes smoothly, please pay special attention to it and carefully arrange your time of placing orders according to your personal needs. If your order is taking longer than expected or you want to make it clear that when it will arrive, please feel free to contact us. We are always here to help you out.
If you have any questions about Nihon Kohden Cardiolife TEC-7621C Defibrillator Capacitance HV Capacitor NKC-4840SA 4.8KV 40μF , please feel free to contact us at any time, we are glad to answer them.