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Electrochemical Carbon Monoxide Gas Sensor (CO Sensor) - 7E & 7E/F CiTiceL

? Operating Principle: 3-electrode electrochemical
? Measurement Range: 0-1000 ppm CO
? Maximum Overload: 2000 ppm CO
? Sensitivity: 0.10 ± 0.02 μA/ppm
? Repeatability: 1% of signal
? Linearity: Linear
? Operating Temperature Range: -20°C to +50°C
? Operating Humidity Range: 15 - 90% RH non-condensing

Model Number: 7E & 7E/F CiTiceL
Data Sheet:

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Product Specification

7E & 7E/F CiTiceL Carbon Monoxide Sensor (CO Sensor) Key Features & Benefits:
? Robust, industry standard 7-Series packaging
? Compact Size

7E & 7E/F CiTiceL Carbon Monoxide Sensor (CO Sensor) Technical Specifications

MEASUREMENT
Operating Principle	3-electrode electrochemical
Measurement Range	0-1000 ppm CO
Maximum Overload	2000 ppm CO
Filter:
7E	None
7E/F	To remove SOx/NOx and H 2 S
Sensitivity	0.10 ± 0.02 μA/ppm
Response Time (T 90 ):
7E	<25 Seconds at 20°C
7E/F	<30 Seconds at 20°C
Baseline Offset (clean air)	-1 to +3 ppm equivalent
Zero Shift (-20°C to +40°C)	<9 ppm equivalent
Repeatability	1% of signal
Linearity	Linear

ELECTRICAL
Recommended Load Resistor	10 ?
Bias Voltage	Not Required

MECHANICAL
Weight	17 g
Housing Material:
Cap	Polycarbonate
Body	ABS
Orientation	Any

ENVIRONMENTAL
Typical Applications	Portable Life Safety
Operating Temperature Range	-20°C to +50°C
Recommended Storage Temp	0°C to 20°C
Operating Pressure Range	Atmospheric ± 10%
Pressure Coefficient	0.020 ± 0.008 % signal/mBar
Operating Humidity Range	15 - 90% RH non-condensing

LIFETIME
Long Term Sensitivity Drift	<5% signal loss/year
Expected Operating Life	Three years in air
Storage Life	6 months in CTL container
Standard Warranty	24 months from date of despatch

* Specifications are valid at 20°C, 50% RH and 1013 mBar, using City Technology recommended circuitry. Performance characteristics outline the performance of sensors supplied within the first 3 months. Output signal can drift below the lower limit over time.

Poisoning
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.

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