CiTiceL Oxygen Sensor O2 Sensor CITY 4OXV

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Quick Details
Place of Origin:
United Kingdom
Brand Name:
Model Number:
Gas Sensor
Analog Sensor
Measurement Range:
0-25% vol. O2
Maximum Overload:
30% vol. O2
Output Signal:
0.10 ± 0.02 mA in Air
Response Time (T90):
<15 Seconds
Zero Current (Offset):
<0.6% vol. O2
Casing Material:
<16 g
Supply Ability
Supply Ability:
5000 Pint/Pints per Month
Packaging & Delivery
Packaging Details

                                            CiTiceL Oxygen Sensor O2 Sensor CITY 4OXV                            

                                                           Model Number : 4OXV                                                           


Main Specifications

Technology: Electrochemical
Measurement Range: 1-25% vol. O2
Maximum Overload: 30% vol. O2
Output Signal: 0.10 ± 0.02 mA in Air
Response Time (T90): <15 Seconds
Zero Current (Offset): <0.6% vol. O2
Linearity: Can be considered linear in many cases.
See Operating Principles (OP-02) for further details.

Recommended Load Resistor: 100 Ω

Casing Material: ABS
Weight: <16 g
Orientation Sensitivity: <0.2% vol. O2 equivalent

Operating Temperature Range: -20°C to +50°C (up to 3 months continuous across RH range)
Recommended Storage Temp: 0°C to 20°C
Thermal Transient (Temp. plunge +22°C to -20°C): <23.5% vol. O2
Operating Pressure Range: Atmospheric ± 20%
Pressure Coefficient: <0.02% signal/mbar
Pressure Transient (60 cm H2O step change): <200% signal change
Relative Humidity Range: (at 0°C to 20°C)
Continuous: 5 to 95%RH non-condensing
Short Term: 0 to 99%RH non-condensing

Long Term Output Drift: <2% signal/month
Typically <5% over operating life
Expected Operating Life: Minimum 24 months in air
Storage Life: 6 months in original packaging


Key Features and Benefits:
• False alarm immunity
• Enhanced response time in extreme applications
• Reliably meets stated life
• Superior environmental performance


Typical Applications
General purpose, portable or fixed life safety.

CiTiceLs are designed for operation in a wide range of environments and harsh conditions. However it is
important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into
instruments, and operation. When using sensors with printed circuit boards (PCBs), degreasing agents should
be used before the sensor is fitted. Do not glue directly on or near the CiTiceL as the solvent may cause crazing of the plastic.

Cross Sensitivity Data
Toxic gases at TLV levels will have no cross-sensitivity effect on Oxygen CiTiceLs. At very high levels
(i.e. percent levels), highly oxidising gases (e.g. ozone, chlorine) will interfere to the extent of their oxygen
equivalent, but most other commonly occurring gases will have no effect.

Acid Gases
IMPORTANT NOTE: Acid gases such as CO2 and SO2 will be absorbed by the electrolyte and tend to increase the flux of oxygen to the electrode. This gives an enhanced oxygen signal of approximately 0.3% of signal per 1% CO2. Oxygen CiTiceLs are not suitable for continuous operation in concentrations of CO2 above 25%.






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