3-In-1 Deluxe Pulse Oximeter by Quest Products Maintain a Healthy Life The Quest Pulse Oximeter is designed to support individuals as they monitor their pulse rate and oxygen saturation. This lightweight portable device takes fast, non-invasive measurements at the fingertip. Ideal for monitoring heart rate and oxygen saturation during sports activities, while exercising or during air travel. Additional Features Simple 1-Button Operation - Hassle-free operation with an illustrated manual for support and guidance Fast & Reliable Results - Only seconds needed to achieve measurements. Measurements will change as your pulse rate or oxygen saturation changes. Multi-View Display Screen - Large LED color display shows clear readings. With the push of a button the display rotates to allow measurements to be read from multiple angles. Audible Alerts - Alarms will sound if measurement levels fall below or rise above preset thresholds. Comfortable and form fitting cushion Automatic power on/off and low battery indicator Quick-Release Lanyard and Storage Case More than 30 hours of battery life with 2AAA batteries (included) Easy to Use Simple 1-Button Operation - Hassle-free operation with an illustrated manual for support and guidance Fast & Reliable Results - Only seconds needed to achieve measurements. Measurements will change as your pulse rate or oxygen saturation changes. Multi-View Display Screen - Large LED color display shows clear readings. With the push of a button the display rotates to allow measurements to be read from multiple angles. Audible Alerts - Alarms will sound if measurement levels fall below or rise above preset thresholds. Measures Pulse Rate Measurement, Oxygen Saturation & Perfusion Index Pulse Rate Measurement (BPM) - Measures the number of heart beats per minute. A normal adult pulse rate while resting is between 60 and 100 beats per minute. Oxygen Saturation (SpO2) - Oxygen saturation is a measure of how much oxygen the blood is carrying as a percentage of the maximum it could carry. Measuring saturated hemoglobin is a useful screening tool for determining basic respiratory function. Perfusion Index (PI%) - Perfusion index is an indication of the pulse strength at the sensor site. The PI’s values range from 0.2% for very weak pulse to 20% for extremely strong pulse. Pulse Rate Graph - This waveform graph helps indicate the reliability of the readings. A smooth and regular waveform represents good signal quality and therefore a more reliable reading. Box Contents Quest Pulse Oximeter Lanyard Carrying Pouch Two (2) AAA Batteries User Manual Detailed Specifications Display: OLED (organic light-emitting diode) Power: Two AAA alkaline batteries Battery Life: 30 continuous hours of operation SpO2: • Range: 35% - 99% • Accuracy: ±2% (during 75% - 99%), ±3% (during 50% - 75%) • Resolution: ±1% • SpO2 Alarm: ±90% (low limit) Pulse Rate: • Range: 30bpm - 240bpm • Accuracy: ±2bpm or ±2% (whichever is greater) • Resolution: ±1bpm • Pulse Rate Alarm: 50bpm (low) - 120bpm (high) Perfusion Index: • Range: 0.2% - 20% • Accuracy: ±0.1% (during 0.2% - 2%), ±1% (during 2% - 10%), ±2% (during 10% - 20%) • Resolution: ±0.1% Dimensions and Weight: • 2.6in x 1.4in x 1.3in (66mm x 36mm x 33mm) • 2.1oz (60g) (including batteries) Operating and Storage Environment: • Operating Temperature: 41° - 104°F (5° - 40°C) • Storage Temperature: 14° - 104°F (–10° - 40°C) FAQ's 1. What is the finger oximeter used for? The Quest Product’s finger oximeter is a useful, non-invasive monitor of a patient's cardio-respiratory system. 2. What does the finger oximeter measure? The finger oximeter measures the oxygen saturation of hemoglobin in arterial blood, which is given out as digital readout in percentage? The pulse rate can also be measured and given out as digital readout in beats per minute. 3. Where is the finger oximeter often used? Finger oximeters can be used in a variety of clinical institutions, such as hospital (ICU, recovery room, general wards), clinic, nursing home, community medical center, etc. and also can be used for home care. 4. What kinds of patients are appropriate for using the finger oximeter? The finger oximeter is intended to do the measurement on adult and pediatric patients. Any finger with thickness between 10~22mm can be fitted into the finger clip for normal measurement. 5. Which finger should I use to do the measurement? The recommended measuring site is the index finger. Other fingers such as middle, ring and little finger can be measured as well if its size fits the finger clip. The thumb is not recommended for use because of poor fitting in the finger housing. The SpO2 reading for different fingers may vary; one digit difference is common because of possible different peripheral circulation, especially for older people. 6. How to get accurate reading when using finger oximeter? The technique of finger oximeter has its pitfalls and limitations, it is possible to get wrong readings when using it improperly. The practical tips for a successful use of finger oximeter are: Choose a proper sized finger, the finger should be clean (remove nail polish). Position the clip on the chosen finger, avoid excess force. Allow several seconds for the oximeter to detect pulse and calculate SpO2. Look for a smooth waveform, without this, any reading is meaningless. Read off the displayed SpO2 and PR value when they are stable. If in doubt, rely on your clinical judgment, rather than the device readout. 7. What is the recommended operation for the measurement? Whenever possible, place the measured finger at a naturally relaxed position, such as hanging on the air with fingertip up. Do not press the finger with oximeter against a desktop or other surface. Do not stretch the finger with tension. Do not move, bend or shake the finger, and don’t press the button before a stable reading shows on the screen. 8. Why does the first reading seem inaccurate and how can I prevent it? The first reading more relies on the signal quality and stability because there is no reference or template at the beginning, the signal may be contaminated with interference (usually motion) and may sometimes produce inaccurate readings. If you are in doubt with the first reading, the best way is to take off the oximeter and wait it shut down then take the measurement again. 9. How long will it take to get a stable reading? With normal use, the first reading should show after 4~6 seconds. If the first reading is not stable (that means display value is changing), it will need at most 8~10 seconds to reach a stable reading. However, if the finger is moving, or signal is very weak, the first reading may show up late until the signal gets a stable reading. If the reading takes longer than 10 seconds then restart the oximeter for another measurement. 10. What is the plethysmogram (waveform) and what is it used for? The plethysmogram (sweeping waveform) is the pulsatile signal, which varies in time with the heart beat. The heart beat detection and the calculation of pulse rate and oxygen saturation are all based on this reading. If the plethysmogram is not smooth and stable, it means the signal quality is not good as well. If the first reading appears with poor waveform (irregular and not smooth), then the reading is unlikely true. Ensure the finger is not moving and in a relaxed state to achieve a smooth and stable reading. Restart the meter if no smooth and stable reading is achieved and try again. 11. What is the meaning of PI and what is it used for? PI (perfusion index) is a numerical value that indicates the pulse strength at the sensor site, it is calculated by the ratio of pulsatile (a.c.) component over constant (d.c.) component of the light attenuation. PI value reflects the blood perfusion at the sensor site; it is a relative value that varies from patient to patient and measuring site. Viewing PI also helps to check the validity of the readings and verify the sensitivity of the oximeter, when PI is below 0.6%, the readings are unlikely trustable because it reaches the sensitivity limit of the finger oximeter. 12. What is the normal range of SpO2 value for healthy people? Many medical literatures show that the SpO2 value for a healthy person is not less than 95%. Please consult your physician if readings are less than 95%. 13. Can I use the finger oximeter during walk or running? Basically the finger oximeter is not designed to be used while walking or running, such as stress test or sport training. However, if the finger oximeter is working and the reading is stable when the user is under relaxed state, then the user can start to walk or run. Keep the oximeter securely attached to your finger. The oximeter can still do the measurement with a certain extent of motion, please note that the reading may be frozen for a while or even disappear if there is excessive motion. 14. Does the nail polish affect the measurement result? Nail polish absolutely affects the accuracy of SpO2 reading because of the optical measuring principle. The color of nail polish determines the uncertainty, red color normally gives false SpO2 reading, and very dark color may cause no reading. 15. Does the incomplete nail affect the measurement result? If the nail is very small or incomplete, the readings could be inaccurate because the poor fitting between the nail and the LED sensor (at upper-side) makes an unstable light scattering. In this case, try to insert finger in such way that the finger nail is on the lower-side (photo-sensor), this should correct the problem. 16. Does the fingertip deformation affect the measurement result? If the bone or joint of fingertip has deformation, the readings could be inaccurate because the fitting between the finger and the sensors is not good. This will cause unstable light transmission. It is recommended to choose another normal finger to do the measurement in such situation. 17. Does the finger oximeter need calibration routinely? The finger oximeter is calibrated in the factory before sale. It is not necessary for user to calibrate it routinely. However, some medical institutions require routine verification of the used medical devices. When this is necessary, the user can do the accuracy verification by means of SpO2 simulator. 18. Should the batteries be removed when not using oximeter for a long period of time? It is strongly recommended to remove the batteries if you don’t use the oximeter for more than one month. The reason is that the corrosion could occur at the battery terminals after a long time in a humid environment. In addition the batteries are more likely to be compromised by trickle discharge and it could result in chemical leakage. 19. What should if liquid is poured on the oximeter? If the finger oximeter gets wet, the first thing to do is to remove the batteries immediately to avoid electric damage in the circuitry. If the liquid is clear and thin, like water, it is possible to revive the oximeter with a hair dryer. You must dry it completely without heat (air only), then leave it a while before powering up it again. If the liquid is thick or sticky, like coffee or milk, it is better to send the device to your local distributor for repair Payment We accept PayPal payments only. Immediate payment is required. Shipping Shipping cost and delivery information is shown at the top of the listing. Customer Service If you need assistance please contact us with the eBay "Ask a question" link at the bottom of this listing. Returns All products purchased from MeggaBuys may be returned within 14 days of shipping for a refund, less the shipping charges, and must be new, unused, and contain all original packaging and accessories. A return authorization is required for all returns. Returning a product that is not in resalable condition and/or without a Return Merchandise Authorization risks forfeiture of product.
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