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)
|
Interfering Gas
|
Concentration
|
H₂S Equivalent
|
| Carbon monoxide (CO) |
100 ppm |
0.0 ppm |
| Sulfur dioxide (SO₂) |
20 ppm |
4.0 ppm |
| Nitrogen dioxide (NO₂) |
10 ppm |
-2.3 ppm |
| Nitric oxide (NO) |
50 ppm |
1.0 ppm |
| Ammonia (NH₃) |
50 ppm |
0.0 ppm |
| Hydrogen (H₂) |
1,000 ppm |
0.0 ppm |
| Ethylene (C₂H₄) |
100 ppm |
0.0 ppm |
| Chlorine (Cl₂) |
15 ppm |
0.0 ppm |
| Ethanol (C₂H₅OH) |
5,000 ppm |
< -12.0 ppm |
