O2 Sensor PSR 11-55-HL/PSR-11-55-HL Oxygen Sensor For Lowenstein
Place of Origin: Guangdong, China
Model Number: PSR 11-55-HL
Type: O2 Cell
Certifications: CE, ISO , RoHS
OEM/ ODM are available
Description
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O2 Sensor PSR 11-55-HL/PSR-11-55-HL Oxygen Sensor




High-Precision Oxygen Detection – Provides accurate and stable oxygen concentration measurements, ensuring the
safe operation of respiratory and anesthesia systems.
Medical-Grade Sensing Technology – Meets medical device standards and is suitable for ventilators, anesthesia
machines, and oxygen concentration monitoring systems.
Original Quality Assurance – Employs high-quality electrochemical sensing elements, ensuring reliable performance
and long service life.
Fast Response Time – Detects oxygen concentration changes within seconds, improving equipment response efficiency.
Long-Term Stable Output – Excellent linear stability and low drift characteristics ensure long-term data accuracy.
Highly Durable Design – Utilizes corrosion-resistant construction and high-strength housing materials to withstand
complex clinical environments.
No Additional Calibration Required – Factory pre-calibrated, ready to use out of the box, saving equipment maintenance time.
Environmentally friendly and non-toxic structure – Free of lead, mercury, and other harmful components, compliant with
RoHS environmental standards.
Supports long-term continuous monitoring – Particularly suitable for ICU, operating room, and long-term ventilated patient
monitoring applications.
Strong airtightness – Precision manufacturing ensures no gas leakage, effectively preventing external gas interference
with measurement.
Superior anti-interference performance – Maintains stable detection accuracy even in high humidity or high oxygen
environments.
Plug-and-play interface – Standardized electrical interface design, easy installation, and strong compatibility.



Q.What is the O2 Sensor PSR-11-55-HL?
A.The O2 Sensor PSR-11-55-HL is a high-precision electrochemical oxygen sensor used to detect oxygen concentration.
This model is widely used in medical ventilators, anesthesia machines, ICU monitoring equipment, etc., providing stable
and accurate oxygen concentration readings in real time to ensure the safety of the gas inhaled by patients.
Q.Is the PSR-11-55-HL a disposable or replaceable part?
A.This sensor is a replaceable consumable. Its lifespan is typically 12 to 18 months (depending on device usage
frequency and environment). After the lifespan expires, a new sensor can be directly replaced without recalibration.
Q.What is the sensor's measurement accuracy?
A.This model offers high-precision detection of ±1% O₂ and a fast response time (T90 < 15 seconds). It maintains
stable output even in high humidity or high oxygen concentration environments, ensuring the reliability and consistency
of medical device testing.
Q.Does the sensor support repeated sterilization or high-temperature sterilization?
A.High-temperature, high-pressure sterilization or alcohol immersion cleaning is not recommended.
Due to its internal electrochemical structure, exposure to liquids or high temperatures may damage the sensing unit.
For cleaning, only use a dry, lint-free cloth to gently wipe the outer casing.
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