The Masimo 2643 SpO2 sensor is a reusable adult soft tip pulse oximetry sensor with a 1.0m (approx. 3.3 ft) cable and a red 20-pin Rainbow-style connector.
Built to the Masimo 2643 (Red DBI-dc3) reference specifications, it provides continuous, non-invasive monitoring of oxygen saturation (SpO2) and pulse rate on Masimo Rainbow SET platforms such as the Radical-7, Rad-57, Rad-87 and Rad-97, as well as the Zoll X Series and LIFEPAK 15.
Key Benefits of the Masimo 2643 Soft Tip Sensor
- Patient comfort: The flexible silicone soft tip wraps gently around the finger, making it well suited to long-duration and continuous monitoring.
- Reusable and cost-effective: Designed for repeated use between patients after cleaning, lowering the cost per monitoring session versus single-use sensors.
- Direct Rainbow connection: The red 20-pin connector plugs straight into Rainbow-enabled monitors or patient cables without an extra adapter.
- Short 1.0m cable: Keeps the bedside tidy and reduces cable clutter on transport and spot-check monitors.
- Brand new: Supplied new and individually packed.
Features of the Red DBI-dc3 Adult SpO2 Sensor
Soft Tip Finger Sensor Design
- Soft silicone finger sleeve with ambient-light shielding
- Adult patient size, for finger placement
- Latex-free contact materials
Rainbow 20-Pin Connector
- Red DBI-dc3 style 20-pin connector with latching housing
- Works with Masimo Rainbow SET oximetry technology
- Measures SpO2 and pulse rate; additional parameters depend on the host monitor’s configuration
Specifications : Masimo 2643 SpO2 Sensor
| Specification | Detail |
|---|---|
| Reference Model | Masimo 2643 (Red DBI-dc3) |
| Sensor Type | Soft Tip (finger) |
| Patient Size | Adult |
| Cable Length | 1.0m (approx. 3.3 ft) |
| Technology | Masimo Rainbow SET |
| Connector | Red 20-pin Rainbow-style connector |
| Usage | Reusable |
| Measurements | SpO2, Pulse Rate |
| Packaging | 1 pc/bag |
| Condition | New |
Cross-Reference Part Numbers
| Brand | Reference Number |
|---|---|
| Masimo | 2643 (Red DBI-dc3) |
| Masimo (hard-shell counterpart) | 2053 (Red DCI-dc3) |
| Physio-Control | 11171-000053 |
| Unimed | U403S-87 |
Works With These Monitors
- Masimo: Radical-7, Radical (20-pin), Rad-57, Rad-57c, Rad-57cm, Rad-57m, Rad-87, Rad-97, Rad-97 NIBP, Rad-97 with NomoLine Capnography, Rad-8, Rad-5, Rad-5v, Pronto, Pronto-7, Pronto with Next Generation SpHb
- Physio-Control: LIFEPAK 15
- Zoll: X Series
- Comen: K12 Pro
Please confirm your monitor model and connector before ordering. Contact us if you need help matching the correct SpO2 sensor.
Use Cases
- Hospital wards, ICU and step-down units using Masimo Rainbow monitors
- Emergency departments and ambulance services with LIFEPAK 15 or Zoll X Series defibrillator/monitors
- Spot-check and transport monitoring with Rad-57 and Pronto handhelds
- Outpatient clinics, sleep labs and procedure rooms
Application and Care
- Place the sensor on the index, middle or ring finger with the cable running along the top of the hand.
- Remove nail polish or artificial nails for best signal quality.
- Re-site the sensor periodically during extended monitoring.
- Clean between patients with a soft cloth dampened with 70% isopropyl alcohol; do not immerse or autoclave.
Frequently Asked Questions
What is the Masimo 2643 SpO2 sensor?
The Masimo 2643 (Red DBI-dc3) is a reusable adult soft tip finger sensor with a 1.0m cable and a red 20-pin Rainbow connector, used for continuous SpO2 and pulse rate monitoring.
What is the difference between the Masimo 2643 and 2053?
Both use the red DC3 Rainbow connector and a short cable. The 2643 (DBI-dc3) has a flexible soft tip finger sleeve, while the 2053 (DCI-dc3) uses a rigid hard-shell finger clip.
Which monitors does the Red DBI-dc3 sensor work with?
It works with Masimo Rainbow SET devices such as the Radical-7, Rad-57, Rad-87, Rad-97 and Pronto, plus the Physio-Control LIFEPAK 15, Zoll X Series and Comen K12 Pro.
Is this adult soft tip SpO2 sensor reusable?
Yes. It is designed for multi-patient use and should be cleaned with 70% isopropyl alcohol between patients.
How long is the cable?
The cable is 1.0m (about 3.3 ft). For longer runs, see our 3.0m and 3.6m Rainbow sensors.
Is the sensor new?
Yes, this sensor is supplied brand new.
Related SpO2 Sensors
Need a different style or length?
See the Masimo 2053 (Red DCI-dc3) Adult Hard Shell SpO2 Sensor 1.0m, the Masimo DBI-DC8 Adult Soft Tip SpO2 Sensor 3.0m (Red 2644), the Masimo 2652 (DB-I-dc8) Adult Soft Tip SpO2 Sensor 3.0m, the Masimo 2054 (Red DCI-DC12) Adult Hard Shell SpO2 Sensor 3.6m and the Masimo 1969 Adult Hard Shell SpO2 Sensor 3.0m (LNCS).
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