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Emitter Assembly Pulse Oximetry Sensors - ELM-4000 Series

  • Emitter Assembly Pulse Oximetry Sensors
  • Emitter Assembly Pulse Oximetry Sensors
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​• Dual Drive
• Lead Frame Construction
• Pulse Oximetry Component
• Clear Epoxy
• Low Cost
• 660 nm ±3 nm Peak Wavelength Red LED
• Three IR Wavelength Choices

  • Model Number: ELM-4000 Series
  • Data Sheet: Date Sheet File
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Product Specification

MEAS Emitter Assembly
ELM-4000 Series
Photo Optic Sensor

• Dual Drive
• Lead Frame Construction
• Pulse Oximetry Component
• Clear Epoxy


The ELM-4000 Series Emitter Assemblies are specially designed for medical applications where selection of peak wavelength is a key requirement. Emission source material is GaAIAs in conjunction with GaAIP complete with clear epoxy lens.


Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Features
• Low Cost 
• 660 nm ±3 nm Peak Wavelength Red LED 
• Three IR Wavelength Choices 
• Dual Drive


Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Applications
• Pulse Oximetry 
• Finger/Ear Probes 
• Disposable Strip or Butterfly


Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Specifications

RED 660nm
Parameter @ 25ºC Symbol Conditions Min. Typ. Max. Unit
Forward Voltage Vf If=20mA
1.85 2.3 V
Reverse Voltage VBr Ibr=10μA 3

V
Reverse Current Ir Vr=3V

100 μA
Radiated Power Po If=20mA
1
mW
Peak Wavelength λp If=20mA 657 660 663 nm







INFRARED 880nm (ELM-4001)
Forward Voltage Vf If=20mA

1.5 V
Reverse Voltage VBr Ibr=10μA 3

V
Peak Wavelength λp If=20mA 870 880 890 nm
Spectral Bandwidth λΔ If=20mA
60 80 nm
Radiated Power Po If=20mA ≥0.6 1
mW







INFRARED 940nm (ELM-4002)
Forward Voltage Vf If=20mA
1.2 1.4 V
Reverse Voltage VBr Ibr=10μA 5

V
Peak Wavelength λp If=20mA 930 940 950 nm
Spectral Bandwidth λΔ If=20mA
45
nm
Radiated Power Po If=20mA ≥0.6 1
mW







INFRARED 905nm (ELM-4003)
Forward Voltage Vf If=20mA
1.2 1.4 V
Reverse Voltage VBr Ibr=10μA 5

V
Peak Wavelength λp If=20mA 900 905 910 nm
Spectral Bandwidth λΔ If=20mA
70
nm
Radiated Power Po If=20mA ≥0.6 1
mW


Emitter Assembly ELM-4000 Series Pulse Oximetry Sensor Ordering Information：

Description Part Number
Emitter Assembly; Lead Frame; 660nm/880nm ELM-4001
Emitter Assembly; Lead Frame; 660nm/940nm ELM-4002
Emitter Assembly; Lead Frame; 660nm/905nm ELM-4003

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