The Masimo 4052 RD SET DBI Adult Soft Tip SpO2 Sensor is a new, reusable silicone finger sensor with a 1.0m cable, built to the Masimo 4052 (RD SET DBI) reference specifications. It measures oxygen saturation (SpO2) and pulse rate on adult patients and connects to patient monitors and pulse oximeters that use Masimo RD technology patient cables.
Key Benefits of This Adult Soft Tip Pulse Oximeter Sensor
- Comfortable for longer monitoring: The flexible silicone soft tip sleeve sits gently on the finger, with no spring clip pressure.
- Reusable and cost effective: Designed for repeated use between patients when cleaned according to your facility protocol.
- Stable sensor placement: The enclosed boot design helps shield the optics from ambient light and keeps the sensor aligned on the finger.
- Direct fit for RD systems: The flat RD-style connector plugs into Masimo RD patient cables without modification.
- Backed by warranty: Supplied new with a 12-month warranty.
Features of the RD SET DBI Reusable Soft Sensor
- Reference part number: Masimo 4052 (RD SET DBI)
- Patient size: Adult
- Sensor type: Soft Tip (silicone finger sleeve)
- SpO2 technology: Masimo RD
- Cable length: 1.0m (approx. 3.3 ft)
- Lifecycle: Reusable
- Supplied as 1 piece per bag
Technical Specifications
| Specification | Detail |
|---|---|
| Product | Adult Soft Tip SpO2 Sensor |
| Reference Model / Part Number | Masimo 4052 (RD SET DBI) |
| SpO2 Technology | Masimo RD |
| Patient Size | Adult |
| Sensor Type | Soft Tip (silicone) |
| Cable Length | 1.0m (3.3 ft) |
| Lifecycle | Reusable |
| Condition | New |
| Unit | 1 pc per bag |
| Warranty | 12 Months |
Part Number Cross-Reference
| Brand | Reference Number |
|---|---|
| Masimo | 4052 (RD SET DBI) |
| Unimed | U403S-254 |
| Praymed | PSC0435-S |
Works With Masimo RD Technology Monitors
This sensor is intended for patient monitors, pulse oximeters and multi-parameter systems that use Masimo SET pulse oximetry with RD SET series patient cables. Please confirm that your current sensor or patient cable carries the 4052 / RD SET DBI reference, or matches the flat RD connector shown in the product images, before ordering. If you are unsure, send us your monitor model and existing part number and we will check the match for you.
Use Cases
- Continuous SpO2 monitoring of adult patients in general wards, ICU and recovery
- Spot-check pulse oximetry in clinics, day surgeries and emergency departments
- Replacement of worn or damaged RD SET DBI soft sensors
- Spare sensor stock for biomedical engineering and clinical equipment departments
Application and Care
- Slide the adult finger fully into the soft tip so the fingertip rests against the end stop, with the cable running along the back of the hand.
- Inspect the sensor and cable for damage before each use.
- Check the application site regularly and reposition as required by your clinical protocol.
- Clean and disinfect the surface between patients following your facility’s approved procedure. Do not autoclave or immerse the connector.
Frequently Asked Questions
What is the Masimo 4052 RD SET DBI sensor used for?
It is a reusable adult soft tip finger sensor used to measure oxygen saturation (SpO2) and pulse rate on monitors that use Masimo RD technology.
What patient size does this SpO2 sensor fit?
This sensor is sized for adult patients. Pediatric, infant and neonatal sizes are separate products.
How long is the cable?
The cable is 1.0m long, which is approximately 3.3 feet.
Is this sensor reusable or single use?
It is a reusable sensor. It can be cleaned and used on multiple patients according to your facility’s infection control protocol.
What is the difference between a soft tip and a hard shell finger sensor?
A soft tip sensor uses a flexible silicone sleeve with no spring, which many patients find more comfortable for longer monitoring. A hard shell sensor uses a hinged spring clip that is faster to apply for spot checks.
Does it come with a warranty?
Yes, the sensor is supplied new with a 12-month warranty.
Related SpO2 Sensors
Looking for a different size or style?
See the Masimo 4054 RD SET Y-I Multi-Y SpO2 Sensor 1.0m, the Masimo RD SET Neonate Wrap SpO2 Sensor 1.0m, the Masimo 2643 Adult Soft Tip SpO2 Sensor 1.0m for Rainbow systems, or the Masimo 1269 LNOP Adult Soft Tip SpO2 Sensor 1.0m.
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