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Percent Oxygen Sensor (O2 sensor) - PO2-253

? Sensor Technology: Micro Fuel Cell
? Signal Output: 290- 610uA
? Measuring Range: 0 - 100 Percent
? Response Time T90: 6 Seconds
? Accuracy Full Scale: ±1% of Signal
? Repeatability F.S.: ±0.5%
? Operating Temp: 0 to 50oC
? Humidity: 0 - 100% RH (Non - Condensing)

Model Number: PO2-253
Data Sheet:

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Product Specification

PO2-253 Percent Oxygen Sensor (O2 sensor)
General Purpose % O2 measurement when CO2 > 0.1%. Competitive Replacement, Use when acid gases are present (CO2, HCl, HCN, etc.)

PO2-253 Percent Oxygen Sensor (O2 sensor) Direct Replacement Guide
Analytical Industries: XLT-11-1513

PO2-253 Percent Oxygen Sensor (O2 sensor) Specifications:

Sensor Technology	Micro Fuel Cell
Signal Output¹	290- 610uA
Measuring Range	0 - 100 Percent
Response Time T90	6 Seconds
Accuracy Full Scale²	± 1% of Signal
Repeatability F.S.	±0.5%
Temp Coefficient	2.54 % /°C
Operating Temp	0 to 50°C
Storage Temp	0 to 45°C
Recommended Flow	0.5 - 2 SCFH
Humidity	0 - 100% RH (Non - Condensing)
Expected Life³	12 - 15 Months
Storage	4 - 6 Months
Warranty⁴	3 Months
PCB Connection	Center Foil Negative Outer Foil Positive

For use in CO2 applications

1. Signal output is measured in air at 25°C, sea level.
2. Accuracy full scale is calculated with constant pressure and temperature & proper calibration (90% O2 value on full scale range). Drastic temperature change can result in a maximum error of ± 10%.
3. Expected life is calculated when O2 is 20.9% @ 25°C, sea level
4. Southland Sensing warrants these sensors for the period noted above to be free from defects in materials and workmanship. Southland Sensing will not be held liable for sensors damaged due to customer neglect.

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