4 Electrode Minature Dual Gas Sensor for CO and H2S - 4COSH CiTiceL

• Operating Principle: 3-electrode electrochemical
• Measurement Range:
CO: 0-500 ppm
H2S: 0-200 ppm
• Maximum Overload:
CO: 1500 ppm
H2S: 500 ppm
• Sensitivity:
CO: 80 ± 30 nA/ppm
H2S: 775 ± 275 nA/ppm

  • Model Number: 4COSH CiTiceL
  • Data Sheet: Date Sheet File
Quantity:
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  • 4 Electrode Minature Dual Gas Sensor for CO and H2S
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Product Specification

4COSH CiTiceL
Carbon Monoxide / Hydrogen Sulfide (CO / H2S) Dual Gas Sensor

4COSH CiTiceL CO/H2S Dual Gas Sensor Key Features & Benefits:

• Robust, industry standard 4-Series packaging
• Compact Size

4COSH CiTiceL CO/H2S Dual Gas Sensor Technical Specifications

MEASUREMENT
Operating Principle 3-electrode electrochemical
Measurement Range CO: 0-500 ppm
H2S: 0-200 ppm
Maximum Overload CO: 1500 ppm
H2S: 500 ppm
Filter To remove H2S from CO channel
Sensitivity* CO: 80 ± 30 nA/ppm
H2S: 775 ± 275 nA/ppm
Response Time (T90)* CO: <35 Seconds at 20°C
H2S: <35 Seconds at 20°C
Typical Baseline Range CO: -2 to +3 ppm equiv.
H2S: -0.4 to +0.4 ppm equiv.
Resolution
When using recommended electronics
CO: 1.0 ppm
H2S: 0.5 ppm
Repeatability CO: < 3% of signal
H2S: < 2% of signal
Linearity Linear
ELECTRICAL
Recommended Load Resistor 10 Ω
Bias Voltage Not required
MECHANICAL
Weight 5 g approx.
Housing Material 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 <30% signal loss/operating life
Expected Operating Life 3 years in air
Storage Life 6 months in CTL container

* 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.

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