Nellcor DEC-8 pulse oximetry SpO 2 extension cable for Welch Allyn Vital Signs Monitor 300 Series
► Brief Introduction
Verify that the sensor cable connector has slots on both sides. If the cable connector has a slot on only one side, then the sensor is not compatible with the monitor.
The SpO 2 connectors are notched and flanged to ensure proper fit. If the connectors do not join easily, stop and verify the following:
- You have the correct SpO 2 sensor.
- The cable connector is aligned correctly.
► Test connections
| Test connections | Connector/cable | Connect to | Wiring | Connect to |
| SpO 2 (Nellcor) | NellcorD-connector(DEC-8 or other OXI-MAX equivalent) | SpO 2 Input Connector | All wires connected together and terminated appropriately for your hi-pot tester | High Voltage |
► Testing the monitor only (Nellcor SpO 2 )
Use this procedure to test only the monitor SpO 2 function.
1. Power the monitor off.
2. Connect the Nellcor SRC-MAX SpO 2 functional tester to the SpO 2 input connector through a Nellcor DEC-8 extension cable.
3. Power the monitor on.
4. Verify the following on the SRC-MAX:
- All of the monitor LEDs flash: left panel, center panel, right panel.
- SRC-MAX initializes to a default condition where the four test parameter LEDs are lit closest to their selector buttons
- The default pulse rate is 60 bpm and the default SpO 2 is 75%
5. Give the monitor up to 30 seconds to stabilize, and verify a displayed pulse rate of 60 ± 3 bpm and a displayed SpO 2 of 75 ± 3%.
6. Set the SRC-MAX pulse rate to 200 bpm.
7. Give the monitor up to 30 seconds to stabilize, and verify a displayed pulse rate of 200 ± 3 bpm.
8. Switch the SRC-MAX SpO 2 saturation percentage to 90.
9. Give the monitor up to 30 seconds to stabilize, and verify a displayed SpO 2 saturation level of 90 ± 3%.
10. Disconnect the SRC-MAX.
► Test the isolation between SpO2 and DC input:
- Connect the SpO 2 test cable between the SpO 2 connector and the high-voltage jack on the hi-pot tester.
- Push the test button to run the AC Withstand Voltage test.
- Verify that the monitor passed the test. (If the input current never exceeds 2.50 mA, the isolation is sufficient.)
- Remove the SpO 2 test cable.
► Company Profile
We mainly sell different kinds of medical equipments, accessories and repair parts including patient monitor, defibrillator machine, patient monitor printer, ECG machine, EKG machine, main board, batteries and so on. After many years of marketing and developing, we are quiet proficient in medical machines technology.
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Looking forward to receiving your early inquiry about Nellcor DEC-8 pulse oximetry SpO 2 extension cable for Welch Allyn Vital Signs Monitor 300 Series. If you have other questions about our products or services, please feel free to contact us. We are always ready to serve you.
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