The Masimo 1794 LNOP TC-I Adult Ear Clip SpO2 Sensor is a new, reusable pulse oximetry sensor with a 1.0m cable, built to the Masimo 1794 (LNOP TC-I) reference specifications. It clips to the earlobe of adult patients and delivers oxygen saturation (SpO2) and pulse rate signals to patient monitors, defibrillators and vital signs devices that use Masimo LNOP technology.
Key Benefits of the LNOP TC-I Ear Clip Sensor
- Alternative monitoring site: The earlobe is a practical choice when fingers are unavailable, cold, injured or poorly perfused.
- Reusable design: Cleanable between patients, lowering cost per use versus single-patient adhesive sensors.
- Broad monitor coverage: Works with Masimo LNOP equipped devices from Datascope, Mindray, Physio-Control, Welch Allyn, Zoll and more.
- Light and comfortable: A small soft-touch clip suited to spot checks and continuous monitoring.
- Peace of mind: Supplied new with a 12-month warranty.
Features
- Adult ear clip (transmittance) SpO2 sensor
- Masimo LNOP technology connector
- 1.0m (3.3 ft) cable length
- Reusable lifecycle
Technical Specifications
| Specification | Detail |
|---|---|
| Reference Model / Part Number | Masimo 1794 (LNOP TC-I) |
| SKU | MAS-SPO2-1794-LNOPTCI-ADULT-EC-1M |
| Sensor Type | Ear Clip |
| Patient Size | Adult |
| SpO2 Technology | Masimo LNOP |
| 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 | 1794, LNOP TC-I |
| Philips | 989803140341 |
| Datascope | 0600-00-0110 |
| Marquette | 2027274-001 |
| Praymed | PSG0020-S |
| Unimed | U903-125R |
Works With These Monitors and Devices
| Brand | Models |
|---|---|
| Datascope | Accutorr Plus, DPM4, Passport 2LT, V12, V21, VS 800 |
| Draeger | Infinity M540, Narkomed 6400 |
| GE Healthcare | ProCare Auscultatory 400 |
| Masimo | Rad 5 |
| Mennen Medical | Horizon XVu |
| Mindray | Accutorr V, Duo, Passport 2, Passport V, PM 6000, PM 7000, PM 8000, PM 9000, Spectrum, Spectrum OR, Trio |
| Physio-Control | Lifepak 11, Lifepak 12, Lifepak 15, Lifepak 20, Lifepak 20E |
| Welch Allyn | 45NE0-E1 LX, Propaq CS, Spot Vital Signs 42MTB-E1 |
| Zoll | E Series, M Series, R Series |
The listed devices must be fitted with Masimo LNOP SpO2 technology. Please confirm your monitor’s SpO2 configuration and connector before ordering.
Use Cases for an Adult Ear Clip Pulse Oximeter Sensor
- Emergency and transport monitoring with Lifepak and Zoll defibrillator/monitors
- Patients with low peripheral perfusion, cold hands or finger injuries
- Procedures where the hands must stay free or are inside the sterile field
- Spot-check vital signs in wards, clinics and day surgery
- Replacement of a worn or damaged LNOP TC-I ear sensor
Application and Care
- Clip the sensor onto the fleshy part of the earlobe; gently rubbing the lobe first can improve perfusion and signal quality.
- Check the site regularly and reposition as needed during extended monitoring.
- Wipe clean and disinfect between patients according to your facility protocol. Do not immerse or autoclave.
- Inspect the cable and connector before each use.
Frequently Asked Questions
What is the Masimo 1794 LNOP TC-I sensor used for?
It is a reusable ear clip sensor that measures blood oxygen saturation (SpO2) and pulse rate at the earlobe of adult patients on monitors using Masimo LNOP technology.
Which part numbers does this ear clip sensor cross-reference to?
Masimo 1794 / LNOP TC-I, Philips 989803140341, Datascope 0600-00-0110 and Marquette 2027274-001.
Will it work with a Masimo LNCS or M-LNCS monitor connection?
No. LNOP, LNCS and M-LNCS use different connectors. This sensor is for LNOP connections only; choose an LNCS or M-LNCS sensor for those systems.
How long is the cable?
The cable is 1.0m (about 3.3 ft) long.
When should an ear clip sensor be chosen over a finger sensor?
An ear sensor is useful when finger sites are unavailable or give a weak signal, for example with cold extremities, low perfusion, hand injuries or patient movement.
Does the sensor come with a warranty?
Yes, it is supplied new with a 12-month warranty.
Related SpO2 Sensors
Looking for another style in the same LNOP family?
See the Masimo 1269 LNOP DCI Adult Hard Shell SpO2 Sensor 1.0m, the Masimo 1269 LNOP Adult Soft Tip SpO2 Sensor 1.0m, the Masimo 1276 LNOP DCIP Pediatric Hard Shell SpO2 Sensor 1.0m and the Masimo 1544 LNOP YI Multi-Y SpO2 Sensor 1.0m. For M-LNCS monitors, choose the Masimo 2503 M-LNCS TC-I Adult Ear Clip SpO2 Sensor 1.0m.
















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