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Miniature Zirconia Oxygen Sensors - O2S-T3 / O2S-FR-T3

Oxygen pressure range: 2mbar - 3bar max
Zirconium dioxide (ZrO2 ) sensing elements
Long life, non-depleting technology
Integral heating element
High accuracy
Requires an external interface board to operate

Model Number: O2S-T3 / O2S-FR-T3
Data Sheet:

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Product Specification

Miniature Zirconia Oxygen Sensors Description
The Miniature Zirconium Dioxide Oxygen Sensors can be PCB mounted and are used when measuring ambient gas with the complete sensor immersed in the atmosphere which is to be measured.

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 Miniature oxygen sensor is just 12mm in diameter making it suitable for applications where space is limited. The sensor offers an option of two response times and a temperature range of -100 to 250?C. The oxygen sensor offers 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% O?.

O2S-T3 / O2S-FR-T3 Miniature 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-T3 / O2S-FR-T3 Miniature Zirconia Oxygen Sensors BENEFITS
? No reference gas required
? No need for temperature stabilisation
? PCB mountable

O2S-T3 / O2S-FR-T3 Miniature Zirconia Oxygen Sensors TECHNICAL SPECIFICATIONS

Heater voltage Standard response sensor Standby Fast response sensor Standby	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	5g
Incidental permissible acceleration	30g

O2S-T3 / O2S-FR-T3 Miniature Zirconia Oxygen Sensors OUTPUT VALUES

Oxygen pressure range	2mbar - 3bar max
Accuracy	5mbar max
Internal operational temperature	700°C
Response time (10 - 90% step) Standard response sensor Fast response sensor	<15s < 4s
Warm up time (prior to sensor operation)	60s
Warm up time (from standby)	20s
Output stabilisation time	~ 180s

O2S-T3 / O2S-FR-T3 Miniature Zirconia Oxygen Sensors OUTLINE DRAWING

O2S-T3 / O2S-FR-T3 Miniature Zirconia Oxygen Sensors ORDER INFORMATION

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