EC4-1000-H2S Hydrogen Sulfide Gas Sensor

Basic Information:

• Manufacturer: Amphenol SGX Sensortech
• Model: EC4-1000-H2S
• Type: Hydrogen sulfide (H₂S) gas sensor
• Series: 4 Series
• Measurement Range: 0–1,000 ppm
• Maximum Overload: 2,000 ppm

Performance Specifications:

• Sensitivity (20°C): 0.105±0.055 μA/ppm
• Response Time (T90): ≤45 seconds
• Zero Signal (20°C): <±0.4 μA
• Baseline Drift (-40°C–50°C): <10 ppm
• Resolution: 0.5 ppm
• Linearity: Linear within 0–1,000 ppm range
• Bias Voltage: 0 mV

Environmental Characteristics:

• Temperature Range:
• Operating: -40°C–50°C
• Storage: 10°C–30°C
• Humidity Range: 15%–90% RH (non-condensing)
• Pressure Range: 1±0.1 atm

Safety Features

• Maximum Current (at 2,000 ppm H₂S): <0.5 mA
• Maximum Open-Circuit Voltage: 1.3 V
• Maximum Short-Circuit Current: <1.0 A

Physical Specifications:

• Housing Material: ABS
• Weight (Nominal): 5 g
• Package Type: Through-hole, 20 mm × 16.6 mm dimensions
• Pin Output: Specific signal outputs via different pins (improper pin usage affects functionality).

Lifespan & Warranty:

• Long-Term Output Drift: <2% signal/month
• Expected Service Life: 2 years in clean air
• Storage Life: 6 months in original packaging
• Warranty Period: 24 months

Cross-Sensitivity (H₂S Equivalent)