Short Probe Zirconia Oxygen Sensors (Zirconia O2 Sensor) - O2S-T2 / O2S-FR-T2

Zirconium dioxide technology
Small sensing element
Low weight
Works at high oxygen presssures
Compact in size
Long life, non-depleting technology
No need for temperature stabilisation
Linear output signal

  • Model Number: O2S-T2 / O2S-FR-T2
  • Data Sheet: Date Sheet File
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  • Short Probe Zirconia Oxygen Sensors (Zirconia O2 Sensor)
  • Short Probe Zirconia Oxygen Sensors (Zirconia O2 Sensor)
  • Short Probe Zirconia Oxygen Sensors (Zirconia O2 Sensor)
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Product Specification

Probe Zirconia Oxygen Sensors Description
The Probe Range of zirconium dioxide oxygen sensors are available in three lengths. Suitable for aggressive and polluted applications such as boiler exhausts. Longer probes are an ideal solution for thicker walled, insulated flue pipes. 

SST’s range of zirconium dioxide oxygen sensors use a unique closed loop measurement system. While the sensor continuously measures the oxygen level, a heartbeat signal is also generated providing an immediate warning of any failures.

Their long operating life is due to the non-depleting sensor cell technology. No reference gas is required and easy single point calibration can be performed in any known gas including fresh air.

The Probe zirconium dioxide oxygen sensors offer standard and fast response times from as little as four seconds. Various probe lengths, cable lengths, and a standard and extended temperature range are available. The Probe zirconium dioxide oxygen sensor offer a linear output signal, a lifetime of up to 10 years (depending on the application), and covers an oxygen range from 0.1 to 100% O₂.

O2S-T2 / O2S-FR-T2 Zirconia Oxygen Sensors FEATURES
• Zirconium dioxide (ZrO2) sensing elements
• Long life, non-depleting technology
• Integral heating element
• High accuracy
• Requires an external interface board to operate

O2S-T2 / O2S-FR-T2 Zirconia Oxygen Sensors BENEFITS

• No reference gas required
• No need for temperature stabilisation
• Compact enclosure


Heater voltage
  Operating (standard response)
  Operating (fast response)

4V DC  ± 0.1V DC  (1.7A)
1.65V DC  (0.7A)
4.35V DC  ± 0.1V DC  (1.85A)
2V DC  (0.85A)

Pump impedance at 700°C
< 6kΩ
Permissible gas temperature
-100°C to +250°C
Gas flow rate
0 ~ 10 m/s
Repetitive permissible acceleration
Incidental permissible acceleration

O2S-T2 / O2S-FR-T2 Zirconia Oxygen Sensors OUTPUT VALUES

Oxygen pressure range
2mbar ~ 3bar max
5mbar max
Internal operational temperature

Response time (10 - 90% step)
  Standard response sensor  
  Fast response sensor

< 15s
< 4s

Warm up time (prior to sensor operation)
Warm up time (from standby)
Output stabilisation time
~ 180s

O2S-T2 / O2S-FR-T2 Zirconia Oxygen Sensors OUTLINE DRAWING

O2S-T2 / O2S-FR-T2 Zirconia Oxygen Sensors ORDER INFORMATION

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