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Southland Sensing - Model TO2-238 PPM -Oxygen Sensor (For Use In CO2)
The TO2-238 High Output PPM Oxygen Sensor provides high levels of accuracy, reliability and linearity throughout its measurement ranges. The oxygen sensor is based on the galvanic electrochemical fuel cell principal and is manufactured in house under a strict quality procedure. The sensors are self contained and minimal maintenance is required – no need to clean electrodes or add electrolyte. The precision sensors offer excellent performance, accuracy and stability while maximizing the expected life. The sensor is capable of measuring oxygen from 0.01 parts-per-million up to 25.0%. For maximum life and performance, we recommend to use it when monitoring oxygen from 0.01 ppm to 1000 ppm with an occasional upset or air calibration.
The TO2-238 uses our acetic acid electrolyte. This sensor is designed for optimal performance in acid gas applications such as CO2 and Natural Gas. Sensor can handle H2S up to 500 ppm. These sensors are limited on shelf life, we do not recommend storing for over 3 months.
Varying performance advantages to the SSO2 sensors can be attributed to minor modifications in dimensions, connections, and packaging. However, the principle of operation and the basic components remain the same.
- Measures Oxygen from 0.01 PPM to 25.0%
- Electrochemical Fuel Cell Sensor Technology
- Self-Contained, No Need to Add Electrolyte
- Excellent Stability, Performance & Linearity
- H2S Up To 500 PPM for Full Sensor Life
- Sensor Technology: Micro Fuel Cell
- Signal Output1: 530 - 1050 uA
- Measuring Range:
- 0 - 1 PPM (Min)
- 0 - 10000 PPM (Max)
- Response Time T90: 7 Seconds
- Accuracy Full Scale2: ± 1% of Signal
- Repeatability F.S.: ± 0.5%
- Temp Coefficient: 2.54 % / º C
- Operating Temp: 0 to 50 º C
- Storage Temp: 0 to 45 º C
- Recommended Flow: 0.5 - 5 SCFH
- Humidity: 0 - 100% RH (Non - Condensing)
- Expected Life3: 24 Months
- Storage: 3 Months
- Warranty4: 12 Months
- PCB Connection:
- Center Foil Negative
- Outer Foil Positive
1. Signal Output is measured in air at 25 º C, Sea Level.
2. Full Scale Accuracy is calculated with constant pressure, temperature, and proper calibration (80% O2 Value on
Full Scale Range or a range higher). Drastic Temperature change can result in a maximum error of ± 10%.
3. Expected life is calculated when O2 < 1000 ppm @ 25 º C, Sea Level.
4. Southland Sensing Ltd. warranties the sensors for the period noted above to be free from defects in materials
and workmanship. SSO2 will not be held liable for sensors damaged due to customer neglect.
4. Southland Sensing Ltd. sensors are tested and validated to BSI Standard BS EN 50104:2010
