7HH

MEASUREMENT
Operating Principle: 3-electrode electrochemical
Measurement Range: 0-50 ppm H2S
Maximum Overload: 500 ppm H2S
Filter: None
Sensitivity: 1.7 ± 0.3 μA/ppm
Response Time (T90): <30 Seconds at 20°C
Baseline Offset (clean air): -0.2 to +0.4 ppm H2S equivalent
Zero Shift (+20°C to +40°C): < 0.1 ppm H2S equivalent
Resolution: 0.1 ppm (when used with recommended electronics)
Repeatability: 1% of signal
Linearity: Linear

ELECTRICAL
Recommended Load Resistor: 10 Ω
Bias Voltage: Not Required

MECHANICAL
Weight: 12 g nominal
Housing Material:

• Cap: Polycarbonate
• Body: ABS

Orientation: Any

ENVIRONMENTAL
Operating Temperature Range: -40°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: < 2% signal loss/year
Expected Operating Life: Two years in air
Storage Life: 6 months in CTL container