Masimo RD rainbow Pdt 8λ SpCO pediatric adhesive sensor (4035), single-patient-use SpO2, SpCO and SpMet sensor for patients 10 to 50 kg

Masimo 4035 RD rainbow Pdt 8λ SpCO Pediatric Adhesive Sensor, 10/Box

SKU: MAS-4035

Masimo Corporation

The Masimo 4035 RD rainbow Pdt 8λ is a single-patient-use adhesive Pulse CO-Oximetry sensor for pediatric patients, 10 to 50 kg, that measures SpO2, SpCO, SpMet and pulse rate.1 It plugs into an RD rainbow SET patient cable (MD20, RA25 or R25) on a Masimo rainbow SET device with SpCO and SpMet enabled.12 It comes in a box of 10. The Stryker/Physio-Control number is 11996-000516 and the Zoll number is 8000-000819.3 Pacific Biomedical supplies the genuine Masimo 4035.

The neonatal/adult size of this family is the 4037. The pediatric adhesive for rainbow RC cables is the 2222 R20, and the reusable pediatric clip for RD rainbow SET cables is the 4068.

Works With:

Patient Cable 20-pin port (LIFEPAK 15, Zoll X Series): MD20-05 (4072), MD20-12 (4073), MD20-04 EMS (4792)24
25-pin right-angle port (LIFEPAK 35): RA25-04 EMS (4798)5
25-pin R25 cables (no monitor named): R25-05 (4076), R25-12 (4078).3 Not rainbow RC cables.2
Monitors LIFEPAK 15 and LIFEPAK 3545, Zoll X Series and X Series Advanced and Zenix6
Stryker's online store files 11996-000516 under LIFEPAK 15 with the 4035's unit GTIN as its UPC.7
Rainbow SET 7.1 or higher with SpCO and SpMet enabled.2
Not Listed For Rad-57 and Philips Tempus Pro: Masimo's Rad-57 sheet and the Philips manual name the 4067 and 4068 reusable 8λ sensors, not the RD rainbow 8λ adhesives, although Masimo's chart accepts RD rainbow 8λ adhesives on RD rainbow SET cables; send us your monitor model. Zoll Propaq: absent from Zoll's field for 8000-000819.896
Stryker / Physio-Control Number 11996-00051634
Zoll Number 8000-00081936
Cross-Reference See the Masimo 4035 row in the Masimo Part Number Cross-Reference

Product Highlights:

  • Accuracy: SpO2 2% over 70 to 100% without motion, 3% with motion; SpCO 3% over 0 to 40% and SpMet 1% over 0 to 15% (ARMS, no motion), tested on healthy adult volunteers.1
  • Fold-over application: Seat the detector first on the middle or ring finger of the non-dominant hand, press the wings down one at a time, then fold over with the emitter on the fingernail.1
  • Site checks: Check the site frequently or per protocol, as often as hourly on a poorly perfused child.1
  • Single patient use: Reapply on the same patient only while the windows are clear and the adhesive holds; do not use tape on the sensor.1
  • Box of 10: A box covers ten patients.10

Specifications:

Masimo Part Number 4035
Pacific Biomedical SKU MAS-4035
Product Family RD rainbow 8λ SpCO, Pdt1
Sensor Type Single-patient-use adhesive sensor1
Parameters SpO2, SpCO, SpMet, pulse rate1
Patient Weight Pediatric, 10 to 50 kg1
Connector RD15 connector; mates with the sensor end of an RD rainbow SET cable2
Use Single patient use; replace the sensor when the monitor shows a replace sensor message1
Pack Quantity Box of 10 sensors10
Natural Rubber Latex Not made with natural rubber latex1
Sterility Non-sterile1
GTIN 10843997010877
Directions for Use Masimo LAB-9373E1

Who Uses This:

  • Fire Departments: Fire-based EMS units on a LIFEPAK 15, LIFEPAK 35 or Zoll X Series add SpCO and SpMet to the check of a child from 10 kg with the 4035.45
  • EMS Agencies: Crews pair the 4035 with the MD20-04 EMS cable (4792), or the RA25-04 EMS (4798) on a LIFEPAK 35, for a child whose perfusion is low.52
  • Flight and Critical Care Transport: Pediatric transport teams on RD rainbow SET cables use the 4035 for SpCO and SpMet on children from 10 to 50 kg through a transfer.1
  • Clinics and Urgent Care: Urgent care and pediatric clinic sites with a Zoll X Series or LIFEPAK 15 use the 4035 for children after possible CO exposure.64

Related Products:

Frequently Asked Questions:

Which patient cable do I need to get SpCO from the Masimo 4035?

An RD rainbow SET cable: the MD20-05 (4072), MD20-12 (4073) or MD20-04 EMS (4792) for 20-pin ports, or the RA25-04 EMS (4798) for a 25-pin right-angle port.245 A plain RD SET cable passes SET parameters only, and rainbow RC cables, M-LNC and LNC cables do not take the 4035. A rainbow RC-4 EMS cable is the wrong family; the 2222 is the pediatric adhesive for it.2

Which monitors is the Masimo 4035 listed for?

The LIFEPAK 15 and LIFEPAK 35, where Stryker lists 11996-000516 as the pediatric rainbow adhesive, and the Zoll X Series, X Series Advanced and Zenix (8000-000819).456 Neither Masimo's Rad-57 sheet nor the Philips Tempus Pro manual names the RD rainbow 8λ adhesives.89

Can the Masimo 4035 be used for on-scene CO screening of children?

It reads SpCO on a child from 10 kg with SpCO enabled, as a screen. SpCO accuracy came from healthy adult volunteers, and high COHb or MetHb can occur with a seemingly normal SpO2, so blood laboratory CO-oximetry goes before clinical decisions.1 Triage thresholds and transport criteria belong to local medical direction.

Does my monitor need the SpCO option to read SpCO from the Masimo 4035?

Yes. The sensor reads every parameter but is limited by the parameters on the device, so SpCO and SpMet must be enabled on the monitor.1 RD rainbow 8λ adhesives need rainbow SET 7.1 or higher for SpCO and SpMet on an RD rainbow SET cable.2

Pdt, Adt, Inf or Neo: which RD rainbow 8λ size do I need?

Pdt (4035) is 10 to 50 kg on a finger. Adt (4034) is over 30 kg. Inf (4036) is 3 to 10 kg on the great toe or thumb and 10 to 30 kg on a finger or toe. Neo (4037) is under 3 kg on the hand or foot and over 30 kg on a finger. Ask us for the 4034 or the 4036.13

Is the Masimo 4035 a fold-over or a wrap-around sensor?

Fold-over. Place the detector first on the fleshy part of the finger, press the adhesive wings down one at a time, then fold the sensor over with the emitter window on the fingernail; the emitter and detector line up vertically when it is on right. If the emitter lands behind the nail bed, a lower weight range sensor may be needed.1

How is the Masimo 4035 different from the R20 (2222) and the RD SET pediatric sensor?

The 4035 is the 8λ sensor for RD rainbow SET cables (RD15), with SpCO and SpMet. The 2222 R20 has the older M15 connector for rainbow RC cables. An RD SET pediatric sensor reads SpO2 and pulse rate only.21

Who should not wear the Masimo 4035?

Patients who are allergic to adhesive tape. Do not use the sensor during MRI scanning or in an MRI environment, and avoid an extremity with an arterial catheter or blood pressure cuff.1

Is this a genuine Masimo 4035?

Yes. Pacific Biomedical is an authorized Masimo distributor. Every Masimo 4035 ships new in its original Masimo packaging.

How fast does the Masimo 4035 ship?

Most orders ship within 1 to 2 business days, and current availability shows on this page. Expedited and overnight shipping are available at checkout.

How do I order the Masimo 4035 or request a quote?

Add it to your cart on this page, or contact CustomerService@pacificbiomedical.com or 844.436.3526 with SKU MAS-4035. Pacific Biomedical supports net terms for agencies and hospitals and ships to all 50 states.

References
  1. Masimo. Directions for Use, RD rainbow 8λ SpCO adhesive Pulse CO-Oximetry sensors (Adt, Pdt, Inf, Neo). LAB-9373E. techdocs.masimo.com.
  2. Masimo. SET and rainbow Sensor and Cable Compatibility, with minimum software requirements. PLM-10747D, 2023. masimo.fr.
  3. Masimo Sensor Cross Reference (Stryker/Physio-Control and Zoll catalog numbers), rev. January 2025, with Stryker and Zoll catalog checks, reviewed October 2026.
  4. Stryker. LIFEPAK 15 monitor/defibrillator accessories guide, 02/2025. stryker.com.
  5. Stryker. LIFEPAK 35 monitor/defibrillator accessories guide, 12/2025. stryker.com.
  6. Zoll. Zoll web store, part 8000-000819, RD rainbow Pdt 8λ SpCO, Pediatric Disposable, 10/Box (compatibility field: X Series, X Series Advanced, Zenix), reviewed October 2026.
  7. Stryker. Emergency Care online shop, Masimo RD rainbow Pdt 8λ SpCO, SpO2, and SpMet, Pediatric Adhesive Sensors, catalog 11996-000516, filed under LIFEPAK 15 with UPC 00843997010870, reviewed October 2026.
  8. Masimo. Rad-57 Pulse CO-Oximeter product information, compatible accessories. PLM-10151C, 2022. masimo.com.
  9. Philips. Tempus Pro user/operator manual 41-2036EN-12 (2025), Annex B.4, lists the LNCS-II rainbow 8λ SpCO reusables (01-2705, 01-2706) and the R-series adhesives, but no RD rainbow 8λ SpCO adhesive sensor.
  10. U.S. Food and Drug Administration. Global Unique Device Identification Database (GUDID), Masimo model 4035 record (device identifier 10843997010877), 10 per package. accessgudid.nlm.nih.gov.
Item # Image Price Quantity

Masimo 4035 RD rainbow Pdt 8λ SpCO Pediatric Adhesive Sensor, 10/Box

MAS-4035

 Masimo RD rainbow Pdt 8λ SpCO pediatric adhesive sensor (4035), single-patient-use SpO2, SpCO and SpMet sensor for patients 10 to 50 kg

$385.13

10-bx

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Authorized Masimo Distributor
Genuine Masimo Product
Most items ship in 1 to 2 business days

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