US buying guides
Pediatric pulse oximeters and infant monitors
A children’s fingertip clip, a soft finger sensor with a reading log, and an infant foot monitor serve different uses. Check the age, weight, or fit the manufacturer lists for the exact model.
Choose a sensor for the child’s age and intended use
Fingertip clip for spot checks
Zacurate Sapphire Blue Children’s Pulse Oximeter has a documented fit range for small fingers.
Foot sensor for infants
Owlet Dream Sock has specific age and weight limits listed on its product page.
Soft finger sensor with a reading log
The CMI Health PC-66L with W75 uses a finger sensor rated for 33 to 88 lb.
Pediatric sensor comparison
| Model | Age or weight | Sensor and placement | Readings and storage | Intended use and limits |
|---|---|---|---|---|
 Zacurate Sapphire Blue Children’s Pulse Oximeter | Ages 2 to 12. Finger thickness of 5 to 16 mm for the blue version. | Fingertip clip. | Spot checks of SpO₂ and pulse. | Check the clip fit. The manufacturer lists this model for ages 2 and up. |
 Owlet Dream Sock, mint | Healthy infants 1 to 18 months old and 6 to 30 lb. | Foot sensor with a base station. | At-home monitoring of oxygen saturation and pulse under the manufacturer’s stated conditions. | Follow the age and weight requirements and continue safe sleep practices. |
 CMI Health PC-66L with W75 pediatric sensorSee product details and offer | W75 sensor for 33 to 88 lb (15 to 40 kg), per its manual. | Soft finger sensor with a rechargeable handheld unit. | SpO₂, pulse, and a reading log. | Check that the package includes the W75. Fit depends on the sensor. |
 Zacurate 500DL Pro Series Royal Black | Ages 12 and up according to Zacurate. | Fingertip clip. | Spot checks of estimated oxygen saturation and pulse. | Documented for sports and aviation. |
 Innovo iP900AP Deluxe White | Older than 12 according to the manual. | Fingertip clip. | Spot checks with a perfusion index and pulse waveform. | Documented for sports and aviation. Check the fit on smaller fingers. |
Infant foot monitors and their intended use
Before choosing an infant monitor, check its intended use and whether the FDA authorized it for that purpose. If your child’s healthcare team has asked you to monitor vital signs, ask which device and sensor to use.
Owlet Dream Sock, mint (BM06NMMCJ)
The sensor sits on the foot and sends readings to a base station. The FDA authorized the Dream Sock for home use in healthy infants 1 to 18 months old and weighing 6 to 30 lb. Continue to follow adult supervision and safe sleep practices.
The button opens the US listing for the mint Dream Sock. Check the model and package contents if you are comparing it with a bundle that includes a camera or thermometer.
View on Amazon.comAffiliate linkIf you’re comparing two packages, check the monitor name, model number, and included accessories. A bundle can include extra accessories while using the same sensor and age and weight requirements.
Fingertip clip and soft sensor for children
The Zacurate clip takes spot readings within its stated fit range. If you need to keep a reading log, check the CMI Health unit with the W75 sensor. Use the instructions for the exact variant to confirm fit.
Zacurate Sapphire Blue Children’s Pulse Oximeter
Blue bear-shaped fingertip clip for spot checks of SpO₂ and pulse rate. The blue listing specifies a finger thickness of 5 to 16 mm, and the manufacturer lists ages 2 to 12. Check the fit before buying. For an infant monitor, see the foot sensor in this guide and its age and weight limits.
View on Amazon.comAffiliate linkCMI Health PC-66L with W75 pediatric sensor
Rechargeable handheld unit with a soft finger sensor. Pediatric sensor No. 75 has a documented weight range of 33 to 88 lb (15 to 40 kg). The display shows SpO₂ and pulse rate, and the unit can save readings.
The PC-66L manual describes wellness use for adults and children. If a clinician has asked you to monitor a child’s oxygen for a medical reason, ask which device and sensor to use. This listing includes pediatric finger sensor No. 75.
Manufacturer product page · Sensor No. 75 manual
View on Amazon.comAffiliate linkFingertip clips for teens: sports and aviation
These two clips are documented for sports and aviation spot checks. If a child or infant needs health monitoring, ask their care team which device and sensor to use.
Zacurate 500DL Pro Series Royal Black
The LED screen shows estimated oxygen saturation and pulse rate. Zacurate markets this model for sports and aviation spot checks. Check that the clip fits the finger.
View on Amazon.comAffiliate linkInnovo iP900AP Deluxe White
Shows estimated SpO₂, pulse rate, perfusion index, and a waveform. The instructions specify sports and aviation. Innovo notes that very small fingers may make it harder to obtain a reading.
View on Amazon.comAffiliate linkWhat to check
- Age, weight, or finger thickness. Look for the range in the manual for that exact sensor. Fit can depend on the piece that sits on the finger or foot.
- What comes in the box. Check which sensor the listing includes. Two bundles with the same monitor can come with different sensors.
- Type of reading. Decide whether you need a spot reading, a record over time, or a monitor that provides alerts under its intended conditions.
- Delivery. Check the seller and delivery to your ZIP code. Product listings show current availability, which can change.
How to tell a children’s sensor from an infant sensor
For a children’s clip, measure the finger if the manufacturer gives a thickness range. For a soft sensor, look up the weight range and placement. For a foot monitor, check the size and intended use. When the manual lists multiple requirements, check all of them.
The table names the exact products because a similar shape or a general description such as “for kids” can refer to a different sensor. Keep the instructions for the unit you buy.
How to choose for the type of reading you need
- Decide whether you’re taking a spot reading, keeping a log, or following a healthcare team’s instructions.
- Use the table to find a sensor with the right fit and intended use for that situation.
- Open that model’s page to confirm the exact model and variant before you buy.
If you already have a pulse oximeter
Before buying another device, check the full model and sensor names on the label or in the manual. If the sensor fits and the device is intended for your situation, review the instructions for placement and when to record a reading.
A pulse oximeter gives an estimate. Circulation, skin temperature, and skin pigmentation can affect the reading. Contact your healthcare team if the reading concerns you or the child has symptoms.
Questions before buying
Can a child’s fingertip clip be used on an infant?
Follow the age and finger size in the instructions for the exact model. Zacurate lists the clip in this guide for ages 2 and older.
What should I check before buying?
Confirm which sensor comes in the box and what the manufacturer says it is for. Specs and delivery depend on the variant and seller.
Sources and related guides
FDA: Owlet Dream Sock review · FDA: infant devices for monitoring vital signs · Owlet US product page.
FDA: how pulse oximeters work and what affects readings · How to use a pulse oximeter.