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Electrochemical Ethylene Oxide Gas Sensor (C2H4O Sensor) - 7ETO CiTiceL

? Operating Principle: 3-electrode electrochemical
? Measurement Range: 0-20 ppm C2H4O
? Maximum Overload 100 ppm C2H4O
? Sensitivity: 2.25 ± 0.65 μA/ppm
? Response Time (T90): <140 Seconds at 20°C
? Resolution: 0.1 ppm
? Repeatability: 1% of signal
? Linearity: Linear
? Operating Temperature Range: -20°C to +50°C

Model Number: 7ETO CiTiceL
Data Sheet:

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Product Specification

7ETO CiTiceL Ethylene Oxide Sensor (C2H4O Sensor) Key Features & Benefits:
? Robust, industry standard 7-Series packaging
? Compact Size

7ETO CiTiceL Ethylene Oxide Sensor (C2H4O Sensor) Technical Specifications

MEASUREMENT
Operating Principle	3-electrode electrochemical
Measurement Range	0-20 ppm C2H4O
Maximum Overload	100 ppm C2H4O
Filter	None
Sensitivity	2.25 ± 0.65 μA/ppm
Response Time (T90)	<140 Seconds at 20°C
Baseline Offset (clean air)	0 to +1 ppm C2H4O equivalent
Zero Shift (-20°C to +40°C)	< 2 ppm C2H4O equivalent
Resolution	0.1 ppm (when used with recommended electronics)
Repeatability	1% of signal
Linearity	Linear

ELECTRICAL
Recommended Load Resistor	10 ?
Bias Voltage	+300 mV

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

ENVIRONMENTAL
Operating Temperature Range	-20°C to +50°C
Recommended Storage Temp	0°C to 20°C
Operating Pressure Range	Atmospheric ± 10%
Operating Humidity Range	15 - 90% RH non-condensing

LIFETIME
Long Term Sensitivity Drift	<5% signal loss/year
Expected Operating Life	Two years in air
Storage Life	6 months in CTL container
Standard Warranty	12 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.

PART NUMBERS
7ETO is supplied without bias board. If a bias board is required with the sensor, 7BETO should be ordered.