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Eocene Pulse Oximeter

EOC - SPOBT-L

In clinical trials, the Eocene fingertip pulse oximeter has proved to measure oxygen 
saturation in blood accurately. When the finger is inserted, a light sensitive probe 
measures the data and displays on the screen

Measurement Principle

Pulse oximeters measure how much of the hemoglobin in blood is carrying oxygen 
(oxygen saturation).
The principle of pulse oximetry is based on the red and infrared light absorption charac-
teristics of oxygenated and deoxygenated hemoglobin. Oxygenated hemoglobin absorbs 
more infrared light and allows more red light to pass through. Deoxygenated (or reduced) 
hemoglobin absorbs more red light and allows more infrared light to pass through. Red 
light is in the 600-750 nm wavelength light band. Infrared light is in the 850-1000 nm 
wavelength light band.

Eocene Pulse oximeter uses a light emitter with red and infrared 
LEDs that passes through a finger. A photodetector  below the 
finger receives the light. A part of the light is absorbed by the finger 
and the balance light is received by the detector. The amount of 
light that is absorbed by the finger depends on many physical 
properties and these properties are used by the pulse oximeter to 
calculate the oxygen saturation. 

Display Type: LED display
SpO2: Measurement range:

35-99%

Accuracy

±2% on the stage of 80%-99%; ±3% on the stage of 70%-80%;Pulse Rate: 

Measure range

30-235 BPM

Accuracy

±2 BPM or ±2%

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Pulse Intensity: Bargraph IndicatorPower Requirements: Two AAA alkaline Batteries
Power consumption: Less than 40mA
Low power indication:
Battery Life: Two AAA 1.5V, 600mAh alkaline batteries could be continuously operated 
as long as 30 hours.
Environment Requirements:
Operation Temperature: 5-40

Storage Temperature: -10-40

Ambient Temperature: 15%-80% in operation; 10%-80% in storage
Declaration: EMC of this product comply with IEC60601-1-2 standard.
Measurement Performance in Low Perfusion Condition: required the test equipment 
(BIO-TEK INDEX Pulse Oximeter tester) the pulse wave is available without failure when 
the simulation pulse wave amplitude is at 6%.
Interference Resistance Capacity against Ambient Light: Device work normally when 
mixed noise produced by BIO-TEK INDEX Pulse Oximeter tester 

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Technical Specifications

What is in the Box

Pulse Oximeter
Hang lace
Batteries 
warranty card

Precautions and Safety information

Do not use the pulse oximeter in an MRI or CT environment 
Do not use the pulse oximeter in situations where alarms are required. The device has 
no alarms. 
Explosion hazard: Do not use the pulse oximeter in an explosive atmosphere. 
The pulse oximeter is intended only as an adjunct in patient assessment. It must be 
used in conjunction with other methods of assessing clinical signs and symptoms. 
Check the pulse oximeter sensor application site frequently to determine the position-
ing of the sensor and circulation and skin sensitivity of the patient.  
Do not stretch the adhesive tape while applying the pulse oximeter sensor. This 
may cause inaccurate readings or skin blisters. 
Read this manual completely before using the oximeter
The pulse oximeter has no SpO2 alarms; it is not for continuous monitoring, as indicated 
by the symbol.  
Prolonged use or the patient’s condition may require changing the sensor 
site periodically. Change sensor site and check skin integrity, circulatory status, and 
correct alignment at least every 4 hours. 
Inaccurate measurements may be caused by autoclaving, ethylene oxide sterilizing, or 
immersing the sensors in liquid, significant  levels  of  dysfunctional  hemoglobins 
(such  as  carbonxy- hemoglobin  or methemoglobin), intravascular dyes such as 
indocyanine green or methylene blue 
SpO2 measurements may be adversely affected:

Follow local ordinances and recycling instructions regarding disposal or recycling of 
the device and device components, including batteries.  

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In the presence of high ambient light. (Shield the sensor area with a surgical 
towel) or exposure to direct  sunlight
If excessive movement is made by the user while measuring or has venous 
pulsations
If the device is placed near a blood pressure cuff, arterial catheter, or 
intravascular line 
If the user has hypotension, severe vasoconstriction, severe anemia, or 
hypothermia 
If  user is in cardiac arrest or is in shock 
If the user has Fingernail polish or false fingernails 

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Battery Installation

Press on the cover of the battery compartment and slide it 
down. insert the 2 ‘AAA’ Batteries by matching the polari-
ties: + (positive) and - (Negative) as marked in the battery 
compartment. Slide in the cover back.

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: 2 AAA batteries
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Bluetooth enabled, receive readings on 
mobile devices
small in volume, 
light in weight (total weight is about 50g 
including batteries and convenient to carry. 
Low power consumption, 
Battery low indicator
Auto power-off in 8 seconds when idle. 

Features

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Hang lace Installation

Thread thinner end of the hang lace through the hanging hole 
Thread thicker end of the lace through the threaded end and pull it tightly 

Declaration

EMC of this product comply with IEC60601-1-2 standard. The materials that comes in contact 
with the user have no toxicity and no action on issues; comply with ISO10993-1,-5,-10. 

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