| Target Gas | O2 |
| Measuring Range | 0 - 100% O2 |
| LDL | PPM sensors | N/A |
| Published Signal Output in air (1) | 25 - 27 mV |
| Response Time T90% | 6 S |
| Accuracy Full Scale (2) | 0.02 |
| Drift % Signal Month (2) | < 1% |
| Linearity (2) | 0.01 |
| Humidity Non-Condensing | 0-99% RH |
| Temperature Coefficient | Compensated |
| Operating Temperature | 0-45° C |
| Storage Temperature | 0-40° C |
| Operating Pressure | Consistent 5-30 PSIG |
| Flow Rate | .1-10 LPM |
| Expected Life (1) | 32 Months |
| Storage / Shelf life (4) | < 6 Months |
| Warranty (5) | 12 Months |
| Connector Type | 3 pin Molex |
| Gas Connection | 16 x 1mm thread |
| Housing Material | ABS |
| FDA | No |
| CE | Yes |
| MDSAP ISO13485: 2016 | No |
| ISO9001:2015 | Yes |
| Sensor Technology | Echem |
Specifications validated during design and in the pursuit of improvement are subject along with prices to change without notice.
(1) In air (20.9% oxygen) at 25º C and 1 atm. Expected life varies inversely with changes in O2 concentration, temperature, pressure.
(2) Under constant conditions. Calibrate as near sample conditions as possible. Calibrate with 95-100% oxygen for measurements > 40% oxygen.
(3) Once the signal output stabilizes following a step change in temperature.
(4) Recommended 0-40° C. Sensors may be stored at -10 to 55° C on an intermittent basis only
(5) Ex-Factory unless otherwise agreed to in writing. Under normal operating conditions for medical oxygen delivery equipment the sensors are warranted to be free of defects in materials and workmanship for the specified period above provided the sensor is properly installed and operated. The sole remedy for a sensor determined to be defective by Analytical Industries Inc. is limited to replacing the defective sensor. Analytical Industries Inc. shall not be liable for buyer’s negligence, misapplication, alteration, abuse or accident.
Specification validated during design and in pursuit of improvement are subject to change without notice.
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1) What is a galvanic oxygen sensor?
A galvanic oxygen sensor is a device used to measure the concentration of oxygen in a gas mixture. It is commonly used in diving equipment to ensure the safety and well-being of divers by monitoring oxygen levels.
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2) Why are galvanic oxygen sensors important in diving?
They are crucial for monitoring the oxygen concentration in rebreathers, ensuring divers receive the correct amount of oxygen. Accurate and reliable sensors are essential to avoid health risks and ensure the proper functioning of life-sustaining equipment.
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3) What are diving O2 sensors used for?
Diving O2 sensors are used to monitor the oxygen concentration within diving rebreathers, ensuring that divers receive the correct amount of oxygen while underwater.
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4) What are diving O2 sensors used for?
The core mechanism involves oxygen diffusing through a sensing membrane to the cathode, where it undergoes a reduction reaction. The resulting flow of electrons from the anode to the cathode generates a current proportional to the oxygen concentration.
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5) Why is the stability and accuracy of diving O2 sensors crucial?
Due to the extreme pressures and challenging conditions underwater, stable and accurate sensors are essential to prevent equipment malfunction, which could jeopardize a diver's life.
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6) What makes galvanic fuel cell sensors particularly valuable for diving?
Their ability to produce a current that is proportional and linear to the partial pressure of oxygen in the sample gas simplifies the interpretation of oxygen levels, making them highly reliable for diving applications.
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7) What quality control measures are in place for diving O2 sensors?
Quality control includes testing output in air, linearity to 100% O2, output at 100% O2, stability at 100% O2, extensive leak tests, and pressure pot testing at elevated pressures to simulate actual conditions.
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8) How long is the warranty period for diving O2 sensors from PST?
PST offers a 12-month warranty on their diving O2 sensors, ensuring reliability and peace of mind for users.
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9) What types of diving equipment can PST's O2 sensors replace?
PST's diving O2 sensors can replace those in IT Gambert, Maxtec, Teledyne, and Vandagraph equipment, making them versatile for various diving systems. The sensors are compatible with various diving equipment, including rebreathers, Nitrox and helium oxygen analyzers, and CO analyzers.
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10) How are these sensors tested for quality?
Quality control testing includes: Output testing in air and at 100% O2, Linearity testing to 100% O2, Stability testing at 100% O2, Leak tests to confirm seal integrity, Pressure pot testing at elevated pressures to simulate actual diving conditions